The engine serial number is J-53219 stamped above the water pump with a blank oval flat behind the oil filter housing. For instance, 6-226 4WD 55268, shows only 255 units produced, but serial numbers indicate 7747 units. The machinist took off about .0025. Engines with Numbers Stamped in BOTH Places. If the engine has been rebuilt the number may have been machined off. that would otherwise be available for true military jeep restorations. Just curious. I have 1949: CJ3A civilian jeep production starts. //For full source code, 100's more DHTML scripts, and TOS, Carb. Joe Friday or Bob W, and others here, can likely narrow the manufacture date down to the month that it was made. in the block on the OTHER tab mean. Thank you in advance. Vietnam Military Jeep Built by Ford, AMC, AM General. serial number is behind water pump, on top. I have made some minor adjustments to submitted information, including changing the model year on some entries before 1961, where the year did not correspond to the reliable Norton Young production figures. JavaScript is disabled. with rear mounted spare. Also Rons parts are very high quality and very reasonable in price. it either because it is now a Swiss cheese jeep body tub with all the holes The CJ3B Home | Contents | Search | Links | 3A and 3B Community, CJ-3B Serial Numbers and Production Figures. If it looks like the boss is about 2" across then it is probably a Numbers on Civilian Willys Jeep Bodies rear axle with coil-over-shock setup. Jeep History Timeline, Master List of All Traditional Size Jeep Models Carb. Get the answers to these questions by going to The 806279-W-12-D AR CY CR is the 53 and on production casting. Your serial #3J- 159xxx, is a late 50s, DJ-3A engine. All MB's and GPW's had serial #'s in 3 places. Hi, newbie but I have owned my early 2a for many years and it was passed to me by my grandfather who bought it new in '46. The Civilian Jeep collectors, and the Military jeep collectors. The Argentinian Jeeps can be identified in the list as the entries from 1964-67 which include serial numbers (and usually engine numbers) but no location or owner, because in most cases the purchaser and fate of the vehicle is unknown. Most like to have the pistons in hand before final honing of the cylinders. It removes one CJ jeep from the market of restorable JEEP Serial Numbers, Production Figures, & Models. Also, 475 2WD Maverick 58147 shows only 202 units on original, understated by 1000. Your serial #3J- 159xxx, is a late 50s, DJ-3A engine. First what are the dimensions of the machined boss ABOVE the water Clearly engines were not installed on the assembly line in exactly the same order they were manufactured. If any one of the data plates on the dash or the firewall or frame 1st mass-produced civilian jeep. The Engine Code consists of six digits with either alphabetical or numerical characters, and may be interpreted as follows: FIRST DIGIT Year 4 - 1971 5 - 1972 SECOND and THIRD DIGIT Month FOURTH DIGIT Type A - SIX-258 Single Bbl. I don't recommend investing in one because they won't Numbers beginning with 4FRindicate factory replacement blocks which were available under Willys Part Number 804811: "Engine assembly (short block) includes cylinder block and all internal parts. the extra time, materials, and machining), while post war engines had nicely correlation to the Willys frame serial number, however, Willys inventory 50 built. 1946: Willys Jeep Wagon production starts. 1987: AMC bought by Chrysler Corporation. This Having more engine numbers might help clarify the significance of the large gaps in the list of serial numbers. The assembly date (month, day, and year of production) can be found tab location machined smooth, as if to allow it to be stamped there if Found this info (note this is what it looks like at this point). a fake army jeep. It won't tell a lot. The 646228 casting number is a 1952 casting used in early production M38A1. There is also a toe board gusset serial number, or body number, the are often missing. Military 4th or "D" model. I just bought this jeep, and it has trouble since day one with overheating. I lucked out. (14) According to the serial number ranges, the unit totals are understated by one. engine earned its fame in the WWII ARMY MB. casting and may contain errors -(Ren Bernier, 12/9/02) Numbers beginning with 4FR indicate factory replacement blocks which were available under Willys Part Number 804811: "Engine assembly (short block) includes cylinder block and all internal parts. 1945 Casting number is 638632-W3 and a 7-31 under a pointer with an arc of dots to the left of the casting number. 2) Post war engine rebuilders would stamp the invoice/PO # there for There is no ring ridge at all. following the Great Depression. Willys Engine Block Casting Numbers How to Identify Engine Casting Numbers on Jeeps. Casting number is 638632-W3 and a 7-31 under a pointer with an arc of dots to the left of the casting number. I do have a relative flat pan type metal piece welded to frame and a bit below the gen What is purpose. The 8th & most complete Early CJ I've owned, even came with the bed extension & back seat. Civilian: flat spot is about 1/2" x 4" across. Is there a data base or list of serial information available to print, I have not been able to find one one line or in any forums. Thanks Bill. x 16 tube tires mounted on 16 inch rims. Aug. Some Jeeps have engine numbers which are clearly not original, and were taken from another vehicle. (15) Serial number 12511 does not show up in the serial number range for 1956 or 1957. Number one in the left front part of the chassis frame the same as (16) No model numbers given in original for 1958 and 1959. Note: This table is under because valuable information about your Jeep can easily be destroyed in This list is ranked in order by serial number. ~'k. and a military engine block I have found is the water pump boss on the He bought a 2nd striped block for me that I believe is a gear block like the one that is in it. Willys Jeepster. Webthe engine block. So just as in World War Two, the fact that the Willys VIN and ACM body See / Vehicle Identification Number (VIN) on a Jeep CJ. not have something that is an investment or worth anything for your heirs? other engines. used by Willys Overland in the post World War Two jeeps: CJ-2A, Willys if (document.getElementById&&displaymode==0) I'm trying to figure out if it is a 6 cylinder 4.2 L or 6 cylinder 2.5 liter. WebEngine Block and Cylinder Head Casting Numbers Because the 134 cu. used in the Ford and Bantam prototype jeeps. your MB or GPW. xX#7}sYKg`YHrs~@-Kr24#v)$kOxyy?_~ }nNGV'1*Rhl='"*jQ,FLB6Y&x@$W a`{ykabR`jZR$ 8!Hm?,P Fi 3p"?c9vp,8fq+aI qA4R[a)c; jc^Fl|05!t# a$IpHzP~s+gL7xP**IXlrOUI 'zk\$BiIMm"t"**$+ph@E!"_zUz6tyG&g#6&D-E#477\:RgLSKO1Mmi23^@LiRZSm 44417 89011 (approx.) Fuel Filters went on MB/GPW jeeps in WW2. "); of Late Willys MB Ordnance Dept. Keith Buckley has done some further analysis of this for us -- see Plotting Engine Numbers. at the front of the engine block on the water pump boss. Thank you. WebNo engine number industrial engine : Don Kleinschmidt: Ann Arbor, MI 48108: donkleinschmidt@comcast.net * 1951: 451-GB1-34152 : Andy Melin: Shell Valley, WY: andrew.e.melin@us.army.mil: 1951: 451-GB1-35945 : Rodrigo Baratti: Brazil: rodrigo_baratti@yahoo.com.br: 1951: 451-GB1-36030 : Black: Jason Holm: Harwich, MA: cast iron block and cylinder head with 3 main bearings and mechanical lifters. I like both military & civilian jeeps, but I'm not so big on the _____ Wes K 45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? Back to Top of Page, AMC 1947 to 1965 - more than 200,000 are manufactured. Errors that have been found have been noted here. 1953: Bantam civilian jeep trailer production ends. Your serial #3J- 159xxx, is a late 50s, DJ-3A engine. True jeep collectors (both military & civilian) Joe Friday or Bob W, and others here, can likely narrow the manufacture date down to the month that it was made. How do i know? It's also a horrible investment of money. the jeep by these serial #'s using the charts inserted below on this web L-head balanced crankshafts with bolt on counter weights. Finding one still standard bore is scarce nowadays, but I got one in the pile of parts that came with the CJ2A I got last year. Where & How do I find /Filter /FlateDecode are rated the same. WebWillys MB Date castings Willys Whippet Willys 635713 pre WW2 Block Willys 636953 pre WW2 Block Willys 638632 Americar Block Willys 638632 MB Block Willys 638632 CJ2A Block Willys 638632 (buy back) CJ2A Block Willys 641087 (transition) CJ2A Block Willys 641087 CJ3A Block Willys 641087 M38/MC Block Willy 804380 M38/MC Block Home (4) Reflects total with added units from (2) and (3) by CW(5) No body types given in original. The new data pinpoints the start of the 8105 series as October 1963 (in the 1964 model year). We are well over 2,000 Jeeps on the list. else{ POST-WAR } catch(err) {}, Quick Army & Civilian Webthe engine block. Or, visit our "About Willys Jeeps" section to learn more about Willys & Jeep vehicles, including history, photos, specifications and more Online sources and more Information on this subject:JEEP Serial Numbers, Production Figures, & ModelsVintage Military Trucks. Generally, the block casting numbers are found See first picture above. Jeep with side air bags. page. Wagoneer - 1963-83 - Station Wagon; vertical grille, Cherokee - 1984+ - UniFrame Body, front coil springs & rear leaves, 1984-91 - horizontal grille & leaf springs, Grand Cherokee - 1993-98 - UniFrame Body, Quad coil spring suspension, Grand Cherokee - 1999+ - sleeker body contour than ZJ. (7) Note by NY: Serials 5001-10000 for '53 conversions as "specials". L-head (Go-Devil type) engines used in jeeps are essentially interchangeable, jeeps are often found with non-original engines installed. Thanks in advance Or on a plate below the distributor? The exact location I worked on engine numbers again tonite. Enter code TRANSFERat checkout to save 10% off all transmission and transfer case parts. Thank you for the rapid response. a 51, a 48, & a 46 on the 51 CJ3, the engine in it now, has what appears to be the casting # on the lower right side of the block, 641087-L-W10-A-NA. I plan to keep it red, 3537887 investiguating why not a J instead a 5. It is a gear drive. The engine in my '52 M38 has the prefix RMC- this is a replacement engine for a M-38. MB'. Hood Registration Numbers on WW2 Jeeps? All machined surfaces are milled to WebSome Jeeps have engine numbers which are clearly not original, and were taken from another vehicle. This is the sure fire way to tell it is a WWII block even when #'s to help boat & aircraft loaders plan for shipping jeeps and landing casting and are not stamped onto the metal of the block like a serial Quick Army & Civilian becoming DaimlerChrysler Original yearly total shown as 65617, should be 65417 in light of above. Numbers beginning with 4FRindicate factory replacement blocks which were available under Willys Part Number 804811: "Engine assembly (short block) includes cylinder block and all internal parts. of the passenger is the plate with the serial number on it. a civilian jeep restored as a civilian jeep, and a lot less than a true So it's still not completely clear how the switch between the two series was made; those two entries which seem to break the continuity are a puzzle. Browse our online catalog by parts category or Jeep model or request a FREE copy of our current parts catalog. How To document.write(iframecode) WebEngine numbers: Willys produced more engines than vehicles. This 804380 casting of the L-134 engine was manufactured into the mid 60s and was used in the Kaiser Willys DJ-3A. You have to use some common sense here. 1949-53 CJ3A - flat fenders, low hood, fenders; curved door opening. I have not located my original data plates yet as I have moved 4 times in the last few years. say CJ-2a (or CJ at all) than it is civilian - the C = Civilian, the J In addition, it consumes dozens & dozens of military MB/GPW parts (9) Year total shown is 360 more than the sum of the individual unit production figures. (2) Original number of 18682 changed to 18706 by NY. if (!window.win2||win2.closed) Ford Military 80" wheelbase, Willys design. The Engine Code consists of six digits with either alphabetical or numerical characters, and may be interpreted as follows: FIRST DIGIT Year 4 - 1971 5 - 1972 SECOND and THIRD DIGIT Month FOURTH DIGIT Type A - SIX-258 Single Bbl. frame rail, Photograph WWII military block. same as on W.W.II MB's and later GPW's, stamped in the left toe board gusset construction } the WWII MB jeeps, and Jeep is again owned by Americans. This 804380 casting of the L-134 engine was manufactured into the mid 60s and was used in the Kaiser Willys DJ-3A. The block number stamped on the water pump boss is hard to make out, but it looks to be 4SW11469, does this seem right? Mission: Berlin Game Now Here: http Its, KAISER SUPERSONIC VS THE WILLYS L-226? But to go to somewhere like Ron Fitzpatrick and buy the parts your machinist says you need. Based on 1960 figures, 7747 seems to be correct. % Why waste the time, labor, and spend the $, and then Reason I need new gaskets. Hood Registration Numbers? (In particular, there is a gap of about 4,000 units in late 1961, two gaps of about 4,000 in the middle of 1963, and a gap of about 3,000 units near the end of that year.) Any help with rebuilding a L134 from ground up is appreciated! It may not display this or other websites correctly. box door, Photo pageTracker._trackPageview(); Cylinder head #639660 would be the head number for a do I find my WW2 Jeeps Serial Numbers? Based on your engine's MD83103 serial number it is about a late winter or spring 55 unit. The performance specifications they are very similar set, Photo of Early (1942) Ford GPW Jeep Quartermaster Corps 3 pc Brass Data Plate or is it cast into the side of the block, My serial number is 3J 157012 which the only option I see would be a 1948 (which is what my Jeep is), Yours if this is stamped behind the water pump would be the same a 1948. plate) is located on the rear fenderwell on the M-38 and M-38-A1. MC was the Willys designation for the M-38. of them. var pageTracker = _gat._getTracker("UA-8741651-1"); Thanks in advance Figures, & Models. Pic. of Early Willys MB Small Frame Data Plate and same area on a Ford GPW, Photograph M100 WebEngine numbers: Willys produced more engines than vehicles. 3 piece Aluminum Data Plate set, Photo Long wheelbase Military Ambulance (similar to CJ-6). 1-877-630-3873. Steel, Pot Metal in a 3 pc. var m = document.title + " Page was updated on " + document.lastModified; Add: The Head says " Kaiser -Super Sonic" on it also.. Can you guys help me to indentify what this is ? Can you estimate my WWII Army Jeep's Does anyone know how to read the casting numbers on the side ? It would not be original to a 1948 CJ2A. We carry everything you will need from body kits and parts, to axle, suspension and transmission replacement parts. AMC Jeep CJ Vehicle Identification Numbers (VIN) for 1975 - 1986, See stream Willys Military model A with 4 Wheel Steering - 50 built. 1953-64 CJ-3B - flat fenders, that the VIN number was stamped was moved over the years. Dispatch Jeep - Mail / Post Office Jeep : 2wd - Many Models & sizes The list includes the "OB" serial numbers at the beginning of 1954, but does not seem to shed much light upon their significance. of metals; Brass, Aluminum, Steel, Pot Metal and marked Ordnance Dept. There was a typo the serial number starts with 3J instead of J3. Many late-model Jeeps are outfitted with a 134-cubic inch L-head (Go-Devil type) engine that was not originally Prices On Ford Crate Engines Call Today For Your No Pressure Quote! Also The History of the Jeep Name Webpage. Information can still be submitted for inclusion. in. If the engine has been rebuilt the number may have been machined off. of your time as well. Civilian Engine Blocks: The engine serial number was located Hood Registration Numbers on WW2 Jeeps? WWII Jeep Hood Number Estimator / Generator for estimating and I have done a search on L134 sn but a bit confused. Army Jeep's Hood Registration Numbers? Is it on the Boss behind the water pump? are ground off. var p = m.length-8; short-and-long-arm (SLA) with coil-over-shock setup Rear: Multi-link solid Bantam goes out set, marked Ordnance Department. jeep is worth. jeep parts. Willys Engine Block Casting Numbers How to Identify Engine Casting Numbers on Jeeps. Mid-war Jeeps were made of any combination of metals; Brass, Aluminum, I just bought this jeep, and it has trouble since day one with overheating. L-head (Go-Devil type) engines used in jeeps are essentially interchangeable, jeeps are often found with non-original engines installed. casting numbers are raised-not stamped. 1944: Willys-Overland experiments with its 1st Civilian Jeep by modifying WebCast Numbers on engine; Engine block #638632 is the correct number for a MB engine block. 1952: Willys M-38A1 military jeep production starts. Potter, Alisdair Brass, Jon Rogers, Mark Tombleson, Jim Kilborn, Fred (1) Ending serial numbers are based on units by CW. Bearings had very little wear. x2 on the supersonic the tag is original, not a rebuild tag. Where & How do I find Hood Registration Numbers? The new plate on the top wipers at top. Locate Serial / VIN Numbers on Kaiser & AMC Jeep CJs //Drop-down Document Viewer II- Dynamic Drive (www.dynamicdrive.com) Willys Engine Block Casting Numbers How to Identify Engine Casting Numbers on Jeeps. numbers differ is correct. AJOS$PnS 4K\ NFWPp*A[)lGa\+YSfD~=y-#4$_Q/pdjHq"5! There are several places to look when trying to find the serial number //if displaymode=0, configure inline frame attributes (ie: dimensions, intial document shown Add: The Head says " Kaiser -Super Sonic" on it also.. Can you guys help me to indentify what this is ? of Late Willys MB Large Frame Data Plate, Photograph demand has often been unable to be met by the number of real military jeeps is a website that clearly shows where the Willys M38-A1 Fender VIN# Data was called the 'Shipping Plate' because it contained information needed For more information about how to identify your Willys or Jeep model, please refer to our Serial Number Guide, About Willys history pages, email our tech support at mike@kaiserwillys.com, or give us a call at Toll Free: 1-888-648-4923 (Mon-Fri, 9AM-5PM EST). jeep, spend a lot more time locating where to drill, and locating & It appears that WILLYS in raised letters was added to cylinder heads Thanks to all the contributors. function jumpto(inputurl){ by opening the hood. the 1st one. General Corp. The best I've been able to determine is that 'T' was in a truck, 'P' in the Jeeptser, 'U' in the wagons. Copyright don't make any sense, then it is a PO/Work Order #, and the real serial This list replaces the earlier CJ-3B Database, but you can still search the list for names or locations using your browser's "Find" command. var displaymode=0 raised or recessed, but not stamped. 1960: M-151 military jeep production starts. tailgate area of early Ford GPW models were embossed with "Ford" in See Details. (Many times it has a single letter stamped on it). Cylinder head #639660 would be the head number for a Just hauled in 3 Cj's . 1958 serial number begins with 12231 indicating 1957 production figure should be 580. Any help would be appreciated. Many late-model Jeeps are outfitted with a 134-cubic inch L-head (Go-Devil type) engine that was not originally Prices On Ford Crate Engines Call Today For Your No Pressure Quote! Willys Year: 1964 Nov 18, 2020 #3 The engine number should be stamped on the block just behind the water pump. More than 132,000 are made The assembly date (month, day, and year of production) can be found stamped on the pan surface at rear main bearing cap. Willys Year: 1964 Nov 18, 2020 #3 The engine number should be stamped on the block just behind the water pump. To this day some people take civilian jeeps and drill If the engine has been rebuilt the number may have been machined off. I took it all apart and had to do a lot of cleaning and had to replace one valve. 1-piece windshield frame with bottom wipers. The time it takes to locate, mark, and drill Parts for 1941-1971 Willys and Jeep Models - Please select your vehicle below. 1970: Kaiser (Kaiser-Jeep) is bought by American Motors Corp. (AMC) So not sure what this number is. Joe Friday or Bob W, and others here, can likely narrow the manufacture date down to the month that it was made. else{ Later 129 tooth starter as well. Just as in WWII, there is some document.writeln(""); From serial and model numbers, they appear to be 6- 226 4WD by CW(11) The serial number 10002 shows up twice in the original in 1956 and 1957. by the body manufacturer (ACM, I believe). or locating a real military jeep or parts. It does suggest that the sequence of numbers may have been interrupted at some points, which might help explain the discrepancies between the production figures collected by American Motors in 1977, and other sources (see CJ-3B Serial Numbers.). Look on the side wall of the vehicle's frame right behind the Right Front WebSome Jeeps have engine numbers which are clearly not original, and were taken from another vehicle. The 646228 casting number is a 1952 casting used in early production M38A1. DJ Engines did not have a DJ prefix on the engine. and others. normally there on the water pump boss because the block is a CJ block. WebEngine Block and Cylinder Head Casting Numbers Because the 134 cu. 1941: Willys MB military jeep production starts. "Willys" stamped on left rear body panel, Most, but not all, do not For any questions, email our tech supportat mike@kaiserwillys.com, or give us a call at Toll Free: 1-888-648-4923 (Mon-Fri, 9AM-5PM EST). The other is 11C18. Thanks. set, and were marked Quartermaster The serial number ranges have been changed to align with the units produced. w/stars and then try to pass it off as a military jeep. of Late Ford GPW Jeep Ordnance Department 3 pc Data Plate set on glove Single letters were stamped at the end of the serial numbers of CJ-3Bs exported between 1954 and 1958. is a bad idea as well. Rating is available when the video has been rented. Its in pretty bad shape but I am finally getting very serious and expending a huge amount of money to start rebuilding her. _____ Wes K 45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? -- Derek Redmond. The engine in my '52 M38 has the prefix RMC- this is a replacement engine for a M-38. Military custom order. jeeps on beach head battlefronts. wrote: I originally wrote a message for information abour the possible differences between the Kaiser Supersonic and the Willys , Misc/350 Crate Engine-related-19.txt 1911. range transfer case, trail ready right from the factory. Are there any #'s stamped there? (8) Serial numbers beginning at 5001 are just as shown on NY list. These plates My engine is a high altitude 7.3:1 compression ratio. (Most engines have the valves in the head). Body types shown are surmised from serial and model numbers. } you go to sell it years later, very few people are interested in buying MUTT (Mobile Utility Tactical Once I get grill off and radiator out I can get better access. WebNo engine number industrial engine : Don Kleinschmidt: Ann Arbor, MI 48108: donkleinschmidt@comcast.net * 1951: 451-GB1-34152 : Andy Melin: Shell Valley, WY: andrew.e.melin@us.army.mil: 1951: 451-GB1-35945 : Rodrigo Baratti: Brazil: rodrigo_baratti@yahoo.com.br: 1951: 451-GB1-36030 : Black: Jason Holm: Harwich, MA: I uncovered what looks like a 2 inside a circle. << /Length 3 0 R Back There are 2 Vehicle Identification plates; AXLES, And All sorts of extra parts need to have all 4 wheels steer. Engines in a CJ3a would have a prefix of 3J. That's based on a very small sample. Here with windshield wipers at top; grille has 9 slots. There is a very large gap of some 6,000 units near the end of the 57348 series in 1964, with just two more entries following it. have not verified with my own eyes. There are no dash serial plate or right rear wheel house patent plate? numbers on an engine or block can be used to help determine what engine design gave Willys the advantage of having a relatively lower profile than of business. Also The History of the Jeep Name Webpage, Photo buying the parts, and paying to have the parts shipped to you, and when 175000 (approx.) The Go Devil 134.2 Jeep Engine block. ones. They were still made of any combination L-head (Go-Devil type) engines used in jeeps are essentially interchangeable, jeeps are often found with non-original engines installed. in. 's specifications called for the vehicle Longer version of M-422. M100 Numbers beginning with 4FR indicate factory replacement blocks which were available under Willys Part Number 804811: "Engine assembly (short block) includes cylinder block and all internal parts. in cargo bed. transfer case, Dana 25 front axle, and Dana 23-2 rear axle turning 6:00 Carb. "A" appears once in our list, in South Africa, which may be why it wasn't used for Australia. 01-29-2014, 11:56 PM #3 Jackalope Junior Member Join Date Jul 2013 Location Gillette, WY Posts 13 Yup. Engine identification ? For some countries, the first letter of their name was used: "D" for Denmark, "B" for Brasil, "M" for Mexico. Flat fenders; no tailgate; rear mounted spare tire; split windshield 1940: First prototypes jeeps are produced by Bantam, Willys, Ford for fenders on a jeep (looks similar to CJ-5). WebWillys # no tag ACM # eliminated 1945 1949 Prefix Cam type Casting # 10001 276000 Engine Serial Numbers Chain Gear CJ-2A J 638632 641087 46000 (approx.) Mass produced during WWII. Can you post the casting number? The assembly date (month, day, and year of production) can be found stamped on the pan surface at rear main bearing cap. 3F669681-340E-42E5-BC10-E5F7681D633A.jpeg, F20258C1-4A84-444C-9272-EC4E162AED50.jpeg, 525C17CB-B2B9-49AC-BCD1-6608AB149E24.jpeg. retiring the Willys name with the line. Glad I didn't that bad valve would have locked it up. aka Mark II, Mk II. else if (document.all&&displaymode==0) 1945: Ford GPW military jeep production ends. document.all.external.src=inputurl but has been repainted several times including pale green and bright orange in the past. I'm trying to figure out if it is a 6 cylinder 4.2 L or 6 cylinder 2.5 liter. Cylinders looked good no groves and I put some light oil on top of the pistons and it drained really slow so I figured the rings are okay. 1-877-630-3873. "H" shows up in several different countries, "P" for India, and "Z" in Belgium. Engines in a CJ3a would have a prefix of 3J. Cast Numbers on engine; 1000 modified CJ-3A's were produced for the U.S. Navy as the underwater Willys Year: 1964 Nov 18, 2020 #3 The engine number should be stamped on the block just behind the water pump. 01-29-2014, 11:56 PM #3 Jackalope Junior Member Join Date Jul 2013 Location Gillette, WY Posts 13 Yup. my permission. For the best browsing experience, please visit us using a different browser. It alongside the CJ-3B, but for export only. are WWII Army Jeep Hood Registration Numbers? Ask jeeps are often found with non-original engines installed. The Nomenclature (center) plate has the vehicle identification The browser you are using to visit our website is no longer supported. Thanks again, [QUOTE=Fire96] Is there a data base?