1966 GMC 3500 Series Engine Parts
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- Engine Assemblies
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Engine Swap Kits
- Throttle Bodies
- Carburetors
- Motor Oils
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Dorman®Connecting Rod Nut SetGMC 3500 Series 4.8L 1966, Connecting Rod Nut Set by Dorman®. Engine Connecting Rod Nuts are suitable for a variety of applications. All their Engine Connecting Rod Nuts are manufactured for high corrosion resistance and a long service...High-quality steel constructionDirect replacement for a proper fit$13.65 - Mahle®Timing Cover SealGMC 3500 Series 4.1L / 4.6L / 4.8L 1966, Timing Cover Seal by Mahle®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind....Made with precision and quality in mindDesigned to meet your specific needs$6.98 - $9.18
- Enginetech®Engine Valve GuideGMC 3500 Series 1966, Engine Valve Guide by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$3.74 - $97.76
- Enginetech®Engine Valve LifterGMC 3500 Series 1966, Engine Valve Lifter by Enginetech®. Enginetech Lifters are made to OEM quality and specifications. Enginetech believes one of the most crucial parts of an engine. Enginetech assure that a factory spec. lifter is...Made with precision and quality in mindDesigned to meet your specific needs$12.65 - $257.15
- Enginetech®Premium Positive Valve SealsGMC 3500 Series 4.1L / 4.6L / 4.8L 1966, Premium Positive Valve Seals by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic,...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$14.07 - $15.23
- Enginetech®Rocker ArmGMC 3500 Series 1966, Rocker Arm by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$5.13 - $62.34
- Enginetech®Self Locking Rocker Arm Ball SetGMC 3500 Series 4.6L 1966, Self Locking Rocker Arm Ball Set by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$31.01
- Enginetech®Valve SeatsGMC 3500 Series 1966, Valve Seats by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$6.90 - $77.60
- Victor Reinz®Intake/Exhaust Valve Stem Oil Seal SetGMC 3500 Series 1966, Intake/Exhaust Valve Stem Oil Seal Set by Victor Reinz®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers...Made with precision and quality in mindDesigned to meet your specific needs$13.92 - $15.26
- COMP Cams®Hi-Tech™ Drag Race Valve SpringGMC 3500 Series 1966, Hi-Tech™ Drag Race Valve Spring by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$42.95 - $670.95
- COMP Cams®Stud Mount Rocker Arm & Pushrod KitGMC 3500 Series 4.6L 1966, Stud Mount Rocker Arm & Pushrod Kit by COMP Cams®. The original Aluminum Rockers changed the way racing and high performance street engine builders approached valve train design. Now, COMP Cams is...Next gen Rockers increase engine power, enhance valve train stability & improve oilingNew extrusion based on improvements developed through FEA analysis, resulting in an even stronger, stiffer body without compromising mass$256.95
- COMP Cams®Valve Stem Oil SealGMC 3500 Series 4.6L 1966, Valve Stem Oil Seal by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$5.95 - $24.95
- QualCast®Valve Stem Oil SealGMC 3500 Series 1966, Valve Stem Oil Seal by QualCast®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$0.88 - $2.24
- Crower®Chromoly Machined 7 Degree Valve Stem KeepersGMC 3500 Series 4.6L 1966, Chromoly Machined 7 Degree Valve Stem Keepers by Crower®. Perfect combination of power and mileage with extended rpm range. Works well with stock and near-stock engines and drive trains. Crower combines this...High quality at an affordable priceExpertly made from premium materials$76.45 - $77.15
- Crower®Severe-Duty™ Right Mechanical Roller LiftersGMC 3500 Series 4.6L 1966, Severe-Duty™ Right Mechanical Roller Lifters by Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...High quality at an affordable priceExpertly made from premium materials$133.20
- PRW®Pro Series Rocker ArmGMC 3500 Series 4.6L 1966, Pro Series Rocker Arm by PRW®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.87 - $324.87
- PRW®Rocker Arm Stud GirdleGMC 3500 Series 4.6L / 5.0L 1966, Rocker Arm Stud Girdle by PRW®. PRW Billet Aluminum Stud Girdles are made from 6061-T6 aluminum, manufactured to exacting standards, and the solution to valvetrain instability. PRW stud girdles reduce...CNC machinedReduces rocker stud flex$149.20 - $157.20
- PRW®Sportsman™ Rocker ArmGMC 3500 Series 4.6L 1966, Sportsman™ Rocker Arm by PRW®. Designed utilizing the latest technology, this product by PRW features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Made with precision and quality in mindDesigned to meet your specific needs$15.34 - $158.87
- Fel-Pro®Harmonic Balancer Repair SleeveGMC 3500 Series 4.1L / 4.6L / 4.8L 1966, Harmonic Balancer Repair Sleeve by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global...Direct OEM replacement for a proper fitEnsures reliable sealing performance$7.33
- Mahle®Harmonic Balancer Repair SleeveGMC 3500 Series 4.1L / 4.6L / 4.8L 1966, Harmonic Balancer Repair Sleeve by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.67
- National®1st Design Timing Cover Harmonic Balancer SleeveGMC 3500 Series 4.1L / 4.8L 1966, 1st Design Timing Cover Harmonic Balancer Sleeve by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.95
- National®Nitrile Timing Cover Harmonic Balancer Sleeve KitGMC 3500 Series 1966, Nitrile Timing Cover Harmonic Balancer Sleeve Kit by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$20.12
- Dura-Bond®Engine Hardware Finishing KitGMC 3500 Series 4.6L 1966, Engine Hardware Finishing Kit by Dura-Bond®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Made with precision and quality in mindDesigned to meet your specific needs$8.56 - $17.69
- QualCast®Steel Expansion Plug KitGMC 3500 Series 1966, Steel Expansion Plug Kit by QualCast®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$6.12
- SCE Gaskets®Accu Seal E Dyno Pak Rear Main Seal SetGMC 3500 Series 4.6L With Chevy Small Block Engine 1966, Accu Seal E Dyno Pak Rear Main Seal Set by SCE Gaskets®. Another SCE first: Dyno PaksTM are tailor-made for engine builders and other volume gasket users. Each Dyno Pak contains...Perfect solution for racing and high-performance engine applicationsManufactured using advanced engineering and on-track testing$98.76
- Moroso®Rear Main Seal AdapterGMC 3500 Series 4.6L 1966, Rear Main Seal Adapter by Moroso®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$225.99 - $252.99
- Hygrade®Carburetor Repair KitGMC 3500 Series 1966, Carburetor Repair Kit by Hygrade®. Rebuilding a carburetor can be an economical alternative to buying a new part. This kit includes all required hardware for a complete repair. The product is designed for your...Direct replacementSaves you money and restores your carburetor$21.37 - $55.19
- Fel-Pro®Carburetor Mounting GasketGMC 3500 Series 1966, Carburetor Mounting Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...Direct OEM replacement for a proper fitEnsures reliable sealing performance$1.98 - $3.51
- Hygrade®Carburetor FloatGMC 3500 Series 1966, Carburetor Float by Hygrade®. Restore proper carburetor operation with this part. This carburetor float is designed to precisely fit your vehicle and deliver reliable function for maximum performance. The product...Direct replacementMeets or exceeds OEM quality standards$11.30 - $13.52
- Hygrade®Primary Carburetor Choke Pull-OffGMC 3500 Series without Vacuum Governor and with Rochester Carburetor 1966, Primary Carburetor Choke Pull-Off by Hygrade®. With Solenoid. Alternate Number. Bring your vehicle’s fuel system back to its top shape with this top-notch...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$26.60
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