1966 GMC 2500 Series Engine Parts
- 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
- Throttle Bodies
- Carburetors
- Motor Oils
- Fel-Pro®Engine Full Gasket SetGMC 2500 Series 1966, Engine Full Gasket Set by Fel-Pro®. Without Exhaust Pipe Gasket. 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$90.04
- Mahle®Engine Rebuild KitGMC 2500 Series 1966, Engine Rebuild Kit 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 craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$41.36
- Enginetech®Engine PistonGMC 2500 Series 1966, Engine Piston by Enginetech®. Superior size and weight grading within each set. Most Enginetech pistons are decked 0.010" to 0.020" to compensate for oversized bores and head/deck milling. Enginetech pistons are...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$95.31
- TruParts®ProTune™ Engine Oil FilterGMC 2500 Series 1966, ProTune™ Engine Oil Filter by TruParts®. Designed utilizing the latest technology, this product by TruParts features premium quality and will perform better than advertised. Perfect for your vehicle and...Direct replacementDesigned with the latest software and manufactured with modern tooling$3.22
- COMP Cams®High-Tech™ CamshaftGMC 2500 Series With Originally Equipped Engines 1966, High-Tech™ Camshaft by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by...Developed to provide steady performance and reliabilityMade using up-to-date equipment and new technologies$302.95 - $349.95
- Replace®Remanufactured Complete Cylinder Head with Valves & SpringsGMC 2500 Series In-Line Head Cast # 019, 437, 890, 435, 084 Crank Cast # 412 No SMOG Right Head Cast # 084, 890, 437, 019 Block Cast # 4258, 9404, 1659, 1970, 8578 1966, Remanufactured Complete Cylinder Head with Valves & Springs by...Completely disassembled, thoroughly cleaned, and carefully inspectedChecked for cracks$374.42
- Fel-Pro®Engine Oil Pan Gasket SetGMC 2500 Series 1966, Engine Oil Pan Gasket Set by Fel-Pro®. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Direct OEM replacement for a proper fitEnsures reliable sealing performance$17.22
- Dorman®OE Solutions™ Harmonic BalancerGMC 2500 Series 1966, OE Solutions™ Harmonic Balancer by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and general wear and tear....Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$103.12
- Fel-Pro®Rear Crankshaft Seal KitGMC 2500 Series 1966, Rear Crankshaft Seal Kit by Fel-Pro®. 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...Application specific design to ensure a perfect fitMeets or exceeds all original equipment specifications$14.06
- Mahle®Timing Cover Gasket SetGMC 2500 Series 1966, Timing Cover Gasket Set 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 craftsmanship. Manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$21.90
- ACDelco®Automatic Transmission Oil Cooler Mounting KitGMC 2500 Series 1966, Automatic Transmission Oil Cooler Mounting Kit by ACDelco®. Air Conditioning Condenser Tube Strap. ACDelco Professional A/C Repair Tool is a high quality aftermarket replacement component for one or more of the...Professional, premium aftermarket replacementProvides the performance and dependability you expect from ACDelco$14.67
- Melling®Fiber Timing Camshaft GearGMC 2500 Series 1966, Fiber Timing Camshaft Gear by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$45.99
- Melling®High Alloy Steel Crankshaft GearGMC 2500 Series with Intake Manifold and Cylinder Head Cast Separately Engine 1966, High Alloy Steel Crankshaft Gear by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$31.46
- Melling®Single Row Timing Gear SetGMC 2500 Series with Intake Manifold and Cylinder Head Cast Separately Engine 1966, Single Row Timing Gear Set by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$78.02
- ACDelco®Gold™ Crankshaft SealGMC 2500 Series 1966, Gold™ Crankshaft Seal by ACDelco®. Designed utilizing the latest technology, this Engine Crankshaft Position Sensor by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.17
- Enginetech®Rear Main SealsGMC 2500 Series 1966, Rear Main 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, import and high performance...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$11.60
- Mahle®Rear 2 Piece Engine Crankshaft Seal Retainer GasketGMC 2500 Series 1966, Rear 2 Piece Engine Crankshaft Seal Retainer Gasket 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$13.21
- Dura-Bond®Oil Cooler Bypass ValveGMC 2500 Series 1966, Oil Cooler Bypass Valve 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. Designed...Made with precision and quality in mindDesigned to meet your specific needs$20.80
- PRW®Flat Push Rod Guide PlatesGMC 2500 Series 1966, Flat Push Rod Guide Plates by PRW®. PRW Pushrod Guide Plates are heat-treated steel alloy and a must have for todays high performance engines. Guide plates reduce the unwanted sideways motion of the pushrod under...Made from heat-treated steel alloyBlack oxide coated to resist corrosion$22.80
- Dura-Bond®Hollow Dowel PinGMC 2500 Series 1966, Hollow Dowel Pin 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. Designed to...Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability$9.51
- Mahle®Expansion PlugGMC 2500 Series 1966, Expansion Plug 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 craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.78
- Mobil 1®Racing™ SAE 0W-50 Synthetic Motor Oil, 1 Quart x 6 BottlesRacing™ SAE 0W-50 Synthetic Motor Oil, 1 Quart x 6 Bottles by Mobil 1®. Mobil 1 Racing oils are proprietary formulations of low viscosity synthetic base oils fortified with a precisely balanced component-blended additive system...$101.51
- Lucas Oil®Plus™ Racing Oil ZDDP SAE 60 Plus Conventional Motor Oil, 5 GallonsPlus™ Racing Oil ZDDP SAE 60 Plus Conventional Motor Oil, 5 Gallons x 1 Pail by Lucas Oil®. The "Plus" is for the extra additives above and beyond the normal additive package found in ordinary racing oils. This true high performance...$161.15
- Lucas Oil®SAE 50 Conventional Racing Motor Oil, 5 QuartsSAE 50 Conventional Racing Motor Oil, 5 Quarts by Lucas Oil®. 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. It will...$149.13
- Lucas Oil®SAE 70 Conventional Racing Motor Oil, 5 GallonsSAE 70 Conventional Racing Motor Oil, 5 Gallons x 1 Pail by Lucas Oil®. 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...$169.98
- Royal Purple®API-Licensed™ Straight Grade Heavy Duty SAE 50 Synthetic Motor OilAPI-Licensed™ Straight Grade Heavy Duty SAE 50 Synthetic Motor Oil, 1 Quart by Royal Purple®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology...$9.68 - $59.94
- Valvoline®VR1 Racing™ SAE 50 Conventional Motor Oil, 1 QuartVR1 Racing™ SAE 50 Conventional Motor Oil, 1 Quart by Valvoline®. 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....$9.50
- Driven Racing Oil®GP-1 Nitro SAE 70 Synthetic Blend Motor Oil, 1 QuartGP-1 Nitro SAE 70 Synthetic Blend Motor Oil, 1 Quart by Driven Racing Oil®. A Synthetic Blend, formulated with premium Pennsylvania Grade base oil and Driven’s High Zinc/low-detergent additive package resulting in enhanced engine...$10.34
- Maxima Racing Oils®PS0™ SAE 0WT Synthetic Motor Oil, 1 QuartPS0™ SAE 0WT Synthetic Motor Oil, 1 Quart by Maxima Racing Oils®. 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....$19.13
- Maxima Racing Oils®Performance Break-In™ SAE 5W-16 Break-In 2X Zinc Motor Oil, 5 GallonsPerformance Break-In™ SAE 5W-16 Break-In 2X Zinc Motor Oil, 5 Gallons x 1 Pail by Maxima Racing Oils®. Mineral based engine oil specifically formulated for breaking in engines with flat tappet camshafts, roller elements and where...$176.27
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