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
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Baldwin Filters®Spin-On Engine Oil FilterGMC B-Series 1991, Spin-On Engine Oil Filter by Baldwin Filters®. Dirty oil can cause catastrophic damage to your engine. By using the proper lube filter for your engine, you can minimize the possibility of costly downtime and repairs....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.65 - $15.12 - WIX®Engine Oil FilterGMC B-Series 1991, Engine Oil Filter by WIX®. Designed utilizing the latest technology, this product by Wix features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...You use conventional, synthetic or synthetic-blended motor oilsYour drives are stop-and-go, either in the city or in heavy traffic$9.72 - $17.16
- WIX®Engine Oil FilterGMC B-Series 1991, Engine Oil Filter by WIX®. Designed utilizing the latest technology, this product by Wix features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...You use conventional, synthetic or synthetic-blended motor oilsYour drives are stop-and-go, either in the city or in heavy traffic$9.72 - $17.16
- QualCast®Valve GuideGMC B-Series 6.0L 1991, Valve Guide 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 a...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$3.02 - $5.25
- Hayden®Mounting & Hardware Oil Filter Mounting Relocation Kit with 2.75" Outer Diameter O-RingGMC B-Series 5.7L 1991, Mounting & Hardware Oil Filter Mounting Relocation Kit with 2.75" Outer Diameter O-Ring by Hayden®. Oil Filter Relocation Kit. Contains filter mount and engine adapter. Hose not included. This product is designed...Non-thermostaticDesigned to ensure easy oil filter relocation$49.74
- Cloyes®OEM Heavy Duty Single Row Engine Timing SetGMC B-Series 6.0L 1991, OEM Heavy Duty Single Row Engine Timing Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$99.03
- Enginetech®Engine Piston Ring SetGMC B-Series 6.0L 1991, Engine Piston Ring Set 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...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$73.17 - $79.94
- Mahle®Piston Ring SetGMC B-Series 6.0L 1991, Piston Ring Set by Mahle®. Mahle is the largest piston ring manufacturer in the world, so it is no surprise that Mahle piston rings are the most extensively tested and technically advanced piston rings in the...The combination of Mahle's patented HV385 thermal spray face coating and SAE 9254 high alloy steel base material creates the ultimate in performance piston ring technologyHigh tensile strength allows rings to stand up to extreme firing pressures$82.78 - $115.18
- Gates®FleetRunner™ Heavy Duty V-BeltGMC B-Series 1991, FleetRunner™ Heavy Duty V-Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better, in...The finest quality at a great priceGates carries everything needed to complete the job$21.02 - $50.80
- Dorman®Autograde™ Engine Oil Drain PlugGMC B-Series 6.0L 1991, Autograde™ Engine Oil Drain Plug by Dorman®. Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Designed to provide a perfect fit for a hassle free installation, this...Oil Drain Plugs are designed and constructed to strict engineering quality standardsThe finest quality at a great price$1.70 - $14.42
- Gates®FleetRunner PowerBand™ Preferred V-BeltGMC B-Series 1991, FleetRunner PowerBand™ Preferred V-Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better,...The finest quality at a great priceGates carries everything needed to complete the job$45.45 - $61.29
- Fel-Pro®Engine Oil Pan Gasket SetGMC B-Series 1991, 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 is...Direct OEM replacement for a proper fitEnsures reliable sealing performance$12.42 - $23.45
- PAI®Rear Crankshaft SealGMC B-Series 8.2L 1991, Rear Crankshaft Seal by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$39.26
- PAI®Rear Crankshaft SealGMC B-Series 8.2L 1991, Rear Crankshaft Seal by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$39.26
- Gates®Automotive XL™ V-BeltGMC B-Series 1991, Automotive XL™ V-Belt by Gates®. 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 meet...Made with precision and quality in mindDesigned to meet your specific needs$15.40 - $34.10
- Gates®Classical Section Wrapped V-BeltGMC B-Series 6.0L 1991, Classical Section Wrapped V-Belt by Gates®. Length: 68.25". Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent,...The finest quality at a great priceGates carries everything needed to complete the job$16.11
- Gates®Classical Section Wrapped V-BeltGMC B-Series 6.0L 1991, Classical Section Wrapped V-Belt by Gates®. Length: 68.25". Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent,...The finest quality at a great priceGates carries everything needed to complete the job$16.11
- ACDelco®Professional™ V-BeltGMC B-Series 1991, Professional™ V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco 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$22.23 - $37.17
- ACDelco®Specialty™ Heavy Duty High Capacity V-BeltGMC B-Series 1991, Specialty™ Heavy Duty High Capacity V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...Made with precision and quality in mindDesigned to meet your specific needs$23.42 - $42.38
- Continental® ContiTech™V-Groove Serpentine BeltGMC B-Series 1991, V-Groove 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...Made with precision and quality in mindDesigned to meet your specific needs$15.53 - $26.27
- Dayco®Top Cog™ GOLD Label™ V-BeltGMC B-Series 1991, Top Cog™ GOLD Label™ V-Belt by Dayco®. Length: 72.5". Built with cogs in its top, the belt provides additional flexibility around small pulleys while the increased surface area results in a cooler running belt for...Constructed to deliver extended life in demanding diesel applicationsCogs in the top of the belt for increased flexibility around small pulleys$34.19
- Goodyear Belts®Accessory Drive V-BeltGMC B-Series 1991, Accessory Drive V-Belt by Goodyear Belts®. Goodyear Belts has developed V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s efficiency by...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$14.15 - $23.66
- Dorman®HELP™ Engine Oil Drain PlugGMC B-Series 6.0L 1991, HELP™ Engine Oil Drain Plug by Dorman®. Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Designed using state-of-the-art technology and with customers in mind. It will...Direct replacement for a proper fit every timeDorman's oversized, piggyback, and rubber expanding plugs eliminate the need to replace the entire pan, saving you time, labor and money$1.88 - $2.60
- Fel-Pro®Crankshaft Seal KitGMC B-Series 6.0L 1991, 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$18.70
- Melling®High Volume & Standard Pressure Oil PumpGMC B-Series 6.0L 1991, High Volume & Standard Pressure Oil Pump by Melling®. Designed utilizing the latest technology, this Engine Oil Pump by Melling features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$70.59
- Melling®Steel Oil Pump Pick-Up Tube & ScreenGMC B-Series 6.0L with 8" Deep Oil Pan / 9" Deep Oil Pan 1991, Steel Oil Pump Pick-Up Tube & Screen by Melling®. A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$14.19
- Sealed Power®Oil PumpGMC B-Series 6.0L 1991, Oil Pump 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...Manufactured to fit a specific applicationEnsures that oil is evenly distributed in the engine system$70.65 - $88.55
- Sealed Power®Oil Pump Pick-UpGMC B-Series 6.0L with 9" Deep Oil Pan 1991, Oil Pump Pick-Up 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...Direct replacementManufactured to strict engineering quality standards$14.25
- Fel-Pro®Cylinder Head GasketGMC B-Series 6.0L 1991, Cylinder Head 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...Unsurpassed quality you can trustValidated for fit, form and function$18.89 - $24.29
- Fel-Pro®Cylinder Head Gasket SetGMC B-Series 6.0L 1991, Cylinder Head Gasket Set 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...Proprietary coating - nonstick anti-friction coating seals small surface scratches and imperfectionsSealing technologies - exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair$146.27
