[{"data":1,"prerenderedAt":454},["ShallowReactive",2],{"item:\u002Fcar-repair\u002Fhow-to-identify-a-chevy-4-3-liter":3,"platform:site":131},{"id":4,"title":5,"aiRevisedAt":6,"authors":7,"body":12,"canonical":62,"category":63,"categorySlugs":74,"cid":75,"cover":76,"description":79,"extension":80,"featured":81,"language":82,"meta":83,"navigation":84,"noindex":81,"ogImage":85,"path":86,"publishedAt":87,"recipe":62,"related":88,"revisedAt":62,"seo":118,"seoDescription":79,"seoTitle":5,"sortKey":62,"sources":119,"stem":124,"tagSlugs":125,"tags":126,"translations":127,"type":128,"url":129,"__hash__":130},"platformItems\u002Fplatform\u002Fitems\u002F31225.md","Distinguishing the Chevrolet 4.3L V-6: VIN and Casting Number Guide","2026-10-10T03:36:39.000Z",[8],{"name":9,"slug":10,"role":11},"Finley Davis","finley-davis","author",{"type":13,"value":14,"toc":55},"minimark",[15,25,30,33,38,41,45,48,52],[16,17,18],"p",{},[19,20],"img",{"alt":21,"height":22,"src":23,"width":24},"The Chevrolet 4.3L was a popular six-cylinder for a variety of truck applications.",2558,"\u002Ffiles\u002Fdf1b1e3829e27a3ac22f.webp",1600,[16,26,27],{},[28,29,21],"em",{},[16,31,32],{},"Based on earlier V-6 designs, General Motors' Chevrolet division brought out a 4.3-liter V-6 displacing 262 cubic inches in 1985. This engine was the first to wear the \"Vortec\" designation, which Chevrolet used for its more advanced truck powerplants. In effect a small-block V-8 with two cylinders removed, it can be confirmed by two methods: first, decoding the engine code embedded in the Vehicle Identification Number (VIN), and second, finding the casting number on the engine block and checking it against a reference list of known 4.3L castings.",[34,35,37],"h2",{"id":36},"step-1","Step 1",[16,39,40],{},"The VIN tag sits in the far corner of the dashboard on the driver's side. Viewed from outside through the windshield, this tag carries the 17-character alphanumeric VIN. The engine is indicated by the eighth position of that code. A VIN equipment code listing hosted at Angelfire.com shows that the letters \"W,\" \"X\" and \"Z\" correspond to different versions of the 4.3L V-6.",[34,42,44],{"id":43},"step-2","Step 2",[16,46,47],{},"Next, find the block casting number. On later-model Chevrolet engines, this number is stamped into a ledge located at the rear of the engine block on the driver's side, immediately past the cylinder head. As noted on MRE-Books' small block Chevrolet engine block page, the code consists of up to eight digits.",[34,49,51],{"id":50},"step-3","Step 3",[16,53,54],{},"Take that number and check it against a list of known Chevrolet 4.3L casting numbers, such as the one available on Rapidomarine.com. That list includes a full section devoted to 4.3L castings, which identifies not only production years but also particular technical variants of the engine. Casting number \"535,\" for instance, denotes a 1992 to 1997 4.3L roller cam engine equipped with a balance shaft and a 10-bolt timing cover.",{"title":56,"searchDepth":57,"depth":57,"links":58},"",2,[59,60,61],{"id":36,"depth":57,"text":37},{"id":43,"depth":57,"text":44},{"id":50,"depth":57,"text":51},null,{"slug":64,"name":65,"path":66},"car-repair","Car Repair & Maintenance",[67,70,73],{"slug":68,"name":69},"lifestyle","Lifestyle",{"slug":71,"name":72},"cars","Cars",{"slug":64,"name":65},[68,71,64],31225,{"src":23,"srcset":77,"width":24,"height":22,"alt":78},"\u002Ffiles\u002F9e19f3527ac0abf5311e.webp 400w, \u002Ffiles\u002Fa4d4eeb62fe87c19ddb9.webp 800w, \u002Ffiles\u002Fdf1b1e3829e27a3ac22f.webp 1600w","...","Chevrolet introduced its 4.3-liter V-6, a 262-cubic-inch powerplant derived from earlier V-6 designs, in 1985, and it carried the \"Vortec\" badge—a label Chevrolet applied to its more sophisticated truck engines. Because it amounts to a small-block V-8 minus two cylinders, confirming its identity involves two main procedures: reading the engine code from the eighth character of the VIN, then finding the block casting number and matching it against documented 4.3L castings.","md",false,"en",{},true,"\u002Ffiles\u002F0c83c893717c97200bcd.jpg","\u002Fplatform\u002Fitems\u002F31225","2026-10-05T05:51:03.000Z",[89,97,104,111],{"url":90,"title":91,"cover":92},"\u002Fcar-repair\u002Fhow-to-change-the-brake-pads-on-a-2000-blazer","Replacing Front Brake Pads on a 2000 Chevy Blazer: A Step-by-Step Guide",{"src":93,"srcset":94,"width":95,"height":96,"alt":78},"\u002Ffiles\u002F56b70d6993777de9a1ec.webp","\u002Ffiles\u002Fb821c6bcee65f67a1633.webp 400w, \u002Ffiles\u002F56b70d6993777de9a1ec.webp 800w",800,576,{"url":98,"title":99,"cover":100},"\u002Fcar-repair\u002Fengine-additives-to-help-lifter-noise","Products That May Quiet Noisy Lifters",{"src":101,"srcset":102,"width":95,"height":103,"alt":78},"\u002Ffiles\u002F8ce1cee3507fa843fdd9.webp","\u002Ffiles\u002F64acd1c071c3f64de2bf.webp 400w, \u002Ffiles\u002F8ce1cee3507fa843fdd9.webp 800w",600,{"url":105,"title":106,"cover":107},"\u002Fcar-repair\u002Fhow-to-reset-a-stuck-seatbelt","Simple Steps to Free a Jammed Seatbelt",{"src":108,"srcset":109,"width":95,"height":110,"alt":78},"\u002Ffiles\u002Fa240df8dcca451fd6678.webp","\u002Ffiles\u002F8bb22e162c300e112cfa.webp 400w, \u002Ffiles\u002Fa240df8dcca451fd6678.webp 800w",533,{"url":112,"title":113,"cover":114},"\u002Fcar-repair\u002Fhow-to-program-a-gs300-garage-opener","Programming the HomeLink System in a Lexus GS300 to Operate Your Garage Door",{"src":115,"srcset":116,"width":95,"height":117,"alt":78},"\u002Ffiles\u002F81d8e8d3ac2bd0f9dca3.webp","\u002Ffiles\u002F5d35b3ff582e89f57a15.webp 400w, \u002Ffiles\u002F81d8e8d3ac2bd0f9dca3.webp 800w",523,{"title":5,"description":79},[120],{"url":121,"title":122,"publisher":123},"https:\u002F\u002Fwww.ehow.com\u002Fhow_7581459_identify-chevy-43-liter.html","How to Identify a Chevy 4.3 Liter","eHow","platform\u002Fitems\u002F31225",[],[],[],"article","\u002Fcar-repair\u002Fhow-to-identify-a-chevy-4-3-liter","D1Mn38jSZAbTAVW73qmzSVbkFCvMr9Dy5t_Vj2_DdUc",{"id":132,"categories":133,"extension":445,"meta":446,"pageSize":447,"rootCategory":68,"site":448,"stem":451,"tags":452,"total":135,"__hash__":453},"platformSite\u002Fplatform\u002Fsite.json",{"lifestyle":134,"home":148,"cleaning":158,"home-hacks":167,"home-repair":176,"home-maintenance":187,"carpentry-remodeling":197,"diy":207,"crafts":216,"art-projects":228,"sewing":238,"fun-crafts":247,"celebrations":256,"party-ideas":278,"birthday-parties":287,"halloween":296,"christmas":305,"thanksgiving":314,"easter":322,"valentines-day":330,"fourth-of-july":338,"new-year":346,"mothers-day":354,"back-to-school":362,"weddings":370,"baby-showers":378,"gift-ideas":386,"garden":395,"cars":403,"car-repair":412,"buying-selling":420,"motorcycles":428,"travel":436},{"slug":68,"name":69,"description":62,"count":135,"url":136,"pages":137,"parent":62,"children":138,"path":146},784,"\u002Flifestyle",44,[139,140,141,142,143,144,71,145],"home","home-repair","diy","crafts","celebrations","garden","travel",[147],{"slug":68,"name":69},{"slug":139,"name":149,"description":62,"count":150,"url":151,"pages":57,"parent":68,"children":152,"path":155},"Home",34,"\u002Fhome",[153,154],"cleaning","home-hacks",[156,157],{"slug":68,"name":69},{"slug":139,"name":149},{"slug":153,"name":159,"description":62,"count":160,"url":161,"pages":57,"parent":139,"children":162,"path":163},"Cleaning",32,"\u002Fcleaning",[],[164,165,166],{"slug":68,"name":69},{"slug":139,"name":149},{"slug":153,"name":159},{"slug":154,"name":168,"description":62,"count":57,"url":169,"pages":170,"parent":139,"children":171,"path":172},"Home Hacks","\u002Fhome-hacks",1,[],[173,174,175],{"slug":68,"name":69},{"slug":139,"name":149},{"slug":154,"name":168},{"slug":140,"name":177,"description":62,"count":178,"url":179,"pages":180,"parent":68,"children":181,"path":184},"Home Repair",180,"\u002Fhome-repair",10,[182,183],"home-maintenance","carpentry-remodeling",[185,186],{"slug":68,"name":69},{"slug":140,"name":177},{"slug":182,"name":188,"description":62,"count":189,"url":190,"pages":191,"parent":140,"children":192,"path":193},"Home Maintenance",52,"\u002Fhome-maintenance",3,[],[194,195,196],{"slug":68,"name":69},{"slug":140,"name":177},{"slug":182,"name":188},{"slug":183,"name":198,"description":62,"count":199,"url":200,"pages":201,"parent":140,"children":202,"path":203},"Carpentry & Remodeling",128,"\u002Fcarpentry-remodeling",8,[],[204,205,206],{"slug":68,"name":69},{"slug":140,"name":177},{"slug":183,"name":198},{"slug":141,"name":208,"description":62,"count":209,"url":210,"pages":211,"parent":68,"children":212,"path":213},"DIY",145,"\u002Fdiy",9,[],[214,215],{"slug":68,"name":69},{"slug":141,"name":208},{"slug":142,"name":217,"description":62,"count":218,"url":219,"pages":220,"parent":68,"children":221,"path":225},"Crafts",116,"\u002Fcrafts",7,[222,223,224],"art-projects","sewing","fun-crafts",[226,227],{"slug":68,"name":69},{"slug":142,"name":217},{"slug":222,"name":229,"description":62,"count":230,"url":231,"pages":232,"parent":142,"children":233,"path":234},"Art Projects",66,"\u002Fart-projects",4,[],[235,236,237],{"slug":68,"name":69},{"slug":142,"name":217},{"slug":222,"name":229},{"slug":223,"name":239,"description":62,"count":240,"url":241,"pages":57,"parent":142,"children":242,"path":243},"Sewing",28,"\u002Fsewing",[],[244,245,246],{"slug":68,"name":69},{"slug":142,"name":217},{"slug":223,"name":239},{"slug":224,"name":248,"description":62,"count":249,"url":250,"pages":57,"parent":142,"children":251,"path":252},"Fun Crafts",22,"\u002Ffun-crafts",[],[253,254,255],{"slug":68,"name":69},{"slug":142,"name":217},{"slug":224,"name":248},{"slug":143,"name":257,"description":62,"count":258,"url":259,"pages":201,"parent":68,"children":260,"path":275},"Celebrations",141,"\u002Fcelebrations",[261,262,263,264,265,266,267,268,269,270,271,272,273,274],"party-ideas","birthday-parties","halloween","christmas","thanksgiving","easter","valentines-day","fourth-of-july","new-year","mothers-day","back-to-school","weddings","baby-showers","gift-ideas",[276,277],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":261,"name":279,"description":62,"count":280,"url":281,"pages":191,"parent":143,"children":282,"path":283},"Party Ideas",42,"\u002Fparty-ideas",[],[284,285,286],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":261,"name":279},{"slug":262,"name":288,"description":62,"count":289,"url":290,"pages":57,"parent":143,"children":291,"path":292},"Birthday Parties",24,"\u002Fbirthday-parties",[],[293,294,295],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":262,"name":288},{"slug":263,"name":297,"description":62,"count":298,"url":299,"pages":57,"parent":143,"children":300,"path":301},"Halloween",27,"\u002Fhalloween",[],[302,303,304],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":263,"name":297},{"slug":264,"name":306,"description":62,"count":307,"url":308,"pages":57,"parent":143,"children":309,"path":310},"Christmas",20,"\u002Fchristmas",[],[311,312,313],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":264,"name":306},{"slug":265,"name":315,"description":62,"count":232,"url":316,"pages":170,"parent":143,"children":317,"path":318},"Thanksgiving","\u002Fthanksgiving",[],[319,320,321],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":265,"name":315},{"slug":266,"name":323,"description":62,"count":170,"url":324,"pages":170,"parent":143,"children":325,"path":326},"Easter","\u002Feaster",[],[327,328,329],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":266,"name":323},{"slug":267,"name":331,"description":62,"count":191,"url":332,"pages":170,"parent":143,"children":333,"path":334},"Valentine's Day","\u002Fvalentines-day",[],[335,336,337],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":267,"name":331},{"slug":268,"name":339,"description":62,"count":191,"url":340,"pages":170,"parent":143,"children":341,"path":342},"Fourth of July","\u002Ffourth-of-july",[],[343,344,345],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":268,"name":339},{"slug":269,"name":347,"description":62,"count":57,"url":348,"pages":170,"parent":143,"children":349,"path":350},"New Year","\u002Fnew-year",[],[351,352,353],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":269,"name":347},{"slug":270,"name":355,"description":62,"count":170,"url":356,"pages":170,"parent":143,"children":357,"path":358},"Mother's Day","\u002Fmothers-day",[],[359,360,361],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":270,"name":355},{"slug":271,"name":363,"description":62,"count":57,"url":364,"pages":170,"parent":143,"children":365,"path":366},"Back to School","\u002Fback-to-school",[],[367,368,369],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":271,"name":363},{"slug":272,"name":371,"description":62,"count":191,"url":372,"pages":170,"parent":143,"children":373,"path":374},"Weddings","\u002Fweddings",[],[375,376,377],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":272,"name":371},{"slug":273,"name":379,"description":62,"count":232,"url":380,"pages":170,"parent":143,"children":381,"path":382},"Baby Showers","\u002Fbaby-showers",[],[383,384,385],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":273,"name":379},{"slug":274,"name":387,"description":62,"count":388,"url":389,"pages":170,"parent":143,"children":390,"path":391},"Gift Ideas",5,"\u002Fgift-ideas",[],[392,393,394],{"slug":68,"name":69},{"slug":143,"name":257},{"slug":274,"name":387},{"slug":144,"name":396,"description":62,"count":397,"url":398,"pages":191,"parent":68,"children":399,"path":400},"Garden",43,"\u002Fgarden",[],[401,402],{"slug":68,"name":69},{"slug":144,"name":396},{"slug":71,"name":72,"description":62,"count":404,"url":405,"pages":170,"parent":68,"children":406,"path":409},13,"\u002Fcars",[64,407,408],"buying-selling","motorcycles",[410,411],{"slug":68,"name":69},{"slug":71,"name":72},{"slug":64,"name":65,"description":62,"count":413,"url":414,"pages":170,"parent":71,"children":415,"path":416},11,"\u002Fcar-repair",[],[417,418,419],{"slug":68,"name":69},{"slug":71,"name":72},{"slug":64,"name":65},{"slug":407,"name":421,"description":62,"count":170,"url":422,"pages":170,"parent":71,"children":423,"path":424},"Buying & Selling","\u002Fbuying-selling",[],[425,426,427],{"slug":68,"name":69},{"slug":71,"name":72},{"slug":407,"name":421},{"slug":408,"name":429,"description":62,"count":170,"url":430,"pages":170,"parent":71,"children":431,"path":432},"Motorcycles","\u002Fmotorcycles",[],[433,434,435],{"slug":68,"name":69},{"slug":71,"name":72},{"slug":408,"name":429},{"slug":145,"name":437,"description":62,"count":438,"url":439,"pages":440,"parent":68,"children":441,"path":442},"Travel",108,"\u002Ftravel",6,[],[443,444],{"slug":68,"name":69},{"slug":145,"name":437},"json",{},18,{"slug":449,"name":450,"domain":450,"language":82},"yumweekly-com","yumweekly.com","platform\u002Fsite",[],"CEDh9snYCXHnvpqZ4Vq-dtgfxMojz_zPjnwhP5_qB-M",1791644836063]