1991 GMC B-Series Engine
Select Your Submodel
- 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
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Throttle Bodies
- Motor Oils
- Genuine®Motor OilMotor Oil, by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas running out...$9.52 - $18.85
- Motorcraft®SAE 5W-20 Full Synthetic High Mileage Motor Oil, 1 QuartSAE 5W-20 Full Synthetic High Mileage Motor Oil, 1 Quart by Motorcraft®. 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...$4.96
- Lunati®Horizontal Bar Pop-Up Solid Roller Lifter SetGMC B-Series 5.7L 1991, Horizontal Bar Pop-Up Solid Roller Lifter Set by Lunati®. Lunati pop-up design roller lifters are ideal for applications that need a quick cam change, whether it be during dyno testing or racing. The unique...High quality at an affordable priceExpertly made from premium materials$74.41
- Lunati®Vertical Bar Pressurized Oiling Lifter SetGMC B-Series 5.7L 1991, Vertical Bar Pressurized Oiling Lifter Set by Lunati®. Developed for serious racing applications, the pressurized oiling system of these lifters provides constant lubrication through the axle and to the needles....High quality at an affordable priceExpertly made from premium materials$1,209.00
- QualCast®Engine ValveGMC B-Series 6.0L 1991, Engine Valve 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 provide...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$10.80 - $47.89
- QualCast®Valve Spring with DamperGMC B-Series 6.0L 1991, Valve Spring with Damper 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$5.64
- CVR Performance®Spin-On Oil Filter MountGMC B-Series With Chevy Big Block 1991, Spin-On Oil Filter Mount by CVR Performance®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Eliminates the filter bypass port for 100% complete filtrationIncludes O-ring seal & hardware$38.92
- Crown®Engine Oil FilterGMC B-Series 5.7L / 6.0L 1991, Engine Oil Filter by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for...Developed to improve your driving experienceConstructed to ensure ultimate operation$23.85
- Hastings®Full-Flow Engine Oil FilterGMC B-Series 6.0L 1991, Full-Flow Engine Oil Filter by Hastings®. Hastings Premium Filters has been a manufacturer of mobile filtration products for over sixty years. Hastings manufactures and distributes automotive and heavy-duty...Expertly crafted from premium materialsDesigned to match rigorous quality standards$5.68
- Fel-Pro®Engine Gasket SetGMC B-Series 6.0L Manufactured Before April 1991, Engine Gasket Set 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...Meets or exceeds all original equipment specificationsApplication specific design to ensure a perfect fit$130.43
- COMP Cams®Dual Energy™ Camshaft & Lifter KitGMC B-Series 5.7L 1991, Dual Energy™ Camshaft & Lifter Kit 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...Similar to High Energy Cams™, but may work better at high rpm when coupled with headers because of added exhaust durationWork great with most stock components$317.95 - $320.95
- COMP Cams®Dual Energy™ Camshaft Complete KitGMC B-Series 5.7L 1991, Dual Energy™ Camshaft Complete Kit 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...Similar to High Energy Cams™, but may work better at high rpm when coupled with headers because of added exhaust durationWork great with most stock components$539.95 - $548.95
- COMP Cams®Dual Energy™ Camshaft Small KitGMC B-Series 5.7L 1991, Dual Energy™ Camshaft Small Kit 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...Similar to High Energy Cams™, but may work better at high rpm when coupled with headers because of added exhaust durationWork great with most stock components$317.95 - $372.95
- COMP Cams®Mechanical Flat Tappet High Rocker Ratio CamshaftGMC B-Series 5.7L 1991, Mechanical Flat Tappet High Rocker Ratio Camshaft by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced...$324.95
- COMP Cams®Pure Energy™ Hydraulic Flat Tappet Camshaft & Lifter KitGMC B-Series 5.7L 1991, Pure Energy™ Hydraulic Flat Tappet Camshaft & Lifter Kit by COMP Cams®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...$321.95
- COMP Cams®Pure Energy™ Hydraulic Flat Tappet Camshaft Complete KitGMC B-Series 5.7L 1991, Pure Energy™ Hydraulic Flat Tappet Camshaft Complete Kit by COMP Cams®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...$540.95
- COMP Cams®Pure Energy™ Hydraulic Flat Tappet Camshaft Small KitGMC B-Series 5.7L 1991, Pure Energy™ Hydraulic Flat Tappet Camshaft Small Kit by COMP Cams®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...$293.95
- Enginetech®Engine PistonGMC B-Series 6.0L 1991, 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$270.24
- Enginetech®Stage S Hydraulic CamshaftGMC B-Series 6.0L 1991, Stage S Hydraulic Camshaft by Enginetech®. 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....Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$79.76 - $132.95
- Mahle®Engine Timing SetGMC B-Series 6.0L 1991, Engine Timing Set by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$129.74
- Melling®Engine Timing SetGMC B-Series 6.0L 1991, Engine Timing Set by Melling®. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine rebuild. Timing chain options include both standard...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$71.04
- Milodon®Idler Axle with BoltsGMC B-Series 6.0L with Chevy Big Block Engine 1991, Idler Axle with Bolts by Milodon®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$69.95
- Milodon®Timing Cam CoverGMC B-Series 6.0L with Chevy Big Block Engine 1991, Timing Cam Cover by Milodon®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$259.95
- Milodon®Timing Cam GearGMC B-Series 6.0L with Chevy Big Block Engine 1991, Timing Cam Gear by Milodon®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$197.95
- Mr. Gasket®MLS Cylinder Head GasketsGMC B-Series 5.7L 1991, MLS Cylinder Head Gaskets by Mr. Gasket®. Designed with hardcore racing junkies and high-speed street enthusiasts, this Mr. Gasket performance product is right what you need to boost your driving experience....Designed to help you make the max out of your ridePerfect upgrade for race cars and muscle cars alike$97.24 - $108.95
- Replace®366cid Remanufactured EngineGMC B-Series 6.0L Block Cast # 779, 724, 852, 293, 274, 282 Right Head Cast # R, L 052, 328, 864, 771 Crank Cast # 3896223 Left Head Cast # R, L 359, 219, 393 with A/C Bosses 1991, 366cid Remanufactured Engine by Replace®. This premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2,343.12
- Replace®Remanufactured Complete Cylinder HeadGMC B-Series 6.0L Left Head Cast # 052, 328, 864, 771, 393, 219 Crank Cast # 3896223 7/16" Bolt Hole Top Corner Right Head Cast # 052, 328, 864, 771, 393, 219 Block Cast # 779, 724, 852, 852, 293, 274, 282 1991, Remanufactured Complete...Completely disassembled, thoroughly cleaned, and carefully inspectedChecked for cracks$361.40
- Sealed Power®PistonGMC B-Series 6.0L 1991, Piston by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Helps improve cylinder sealing for less blow-byRetains standard ring gaps in top groove$26.13
- Continental® ContiTech™Serpentine BeltGMC B-Series 1991, Serpentine Belt by Continental® ContiTech™. 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$23.18
- ACDelco®Automatic Transmission Oil Cooler Mounting KitGMC B-Series 5.7L 1991, 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