1991 GMC P-Series Engine Parts
Select Your Submodel
- Engine Assemblies
- Motor Mounts
- 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 Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Engine Swap Kits
- Throttle Bodies
- Carburetors
- Motor Oils
-
Enginetech®Oil Pump ShaftGMC P-Series 4.3L 1991, Oil Pump Shaft by Enginetech®. Enginetech can meet the Rebuilder’s requirements for quality and performance with precision oil pumps, screens shafts and kits, as well as offer all of the popular oil pump...This assures OEM performance every timeAvailability from Enginetech's multi-warehouse distribution system$14.32 - Mahle®Engine Oil Pump Shaft RetainerGMC P-Series 4.3L / 5.7L / 7.4L 1991, Engine Oil Pump Shaft Retainer 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...Made with precision and quality in mindDesigned to meet your specific needs$1.60
- Mahle®Oil Pump GasketGMC P-Series 7.4L 1991, Oil Pump 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 craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.77
- Mahle®Performer Heavy Duty Oil Pump Intermediate ShaftGMC P-Series 5.7L 1991, Performer Heavy Duty Oil Pump Intermediate Shaft by Mahle®. 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...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$13.58
- Melling®Nylon Oil Pump Shaft GuideGMC P-Series 1991, Nylon Oil Pump Shaft Guide by Melling®. Several Melling oil pump applications require the use of an oil pump shaft guide. Melling provides high quality shaft guides for specific pump applications. An oil pump shaft...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$1.17
- Melling®Oil Pump Intermediate ShaftGMC P-Series with Steel Shaft Guide 1991, Oil Pump Intermediate Shaft by Melling®. A new Melling oil pump shaft is recommended to complete every new oil pump install. Designed utilizing the latest technology, this product by Melling...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$12.36 - $13.25
- ACDelco®Genuine GM Parts™ Oil Filter Bypass ValveGMC P-Series 1991, Genuine GM Parts™ Oil Filter Bypass Valve by ACDelco®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.40 - $5.95
- Fel-Pro®Oil Filter Adapter SealGMC P-Series 6.2L 1991, Oil Filter Adapter Seal 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...Meets or exceeds all original equipment specificationsApplication specific design to ensure a perfect fit$4.20
- Dorman®HELP™ Oil-Tite Carded Oil Adapter And Cooler Gasket AssortmentGMC P-Series 4.3L / 5.7L / 7.4L 1991, HELP™ Oil-Tite Carded Oil Adapter And Cooler Gasket Assortment by Dorman®. This engine oil filter adapter O-ring is designed to match the fit and function of the original O-ring on specified...Direct replacement - this engine oil filter adapter O-ring is designed to match the fit and function of the original O-ring on specified vehiclesRestores functionality - this O-ring is made to fit and fully restore part functionality after the original O-ring fails$3.94
- Melling®Oil Filter AdapterGMC P-Series 4.3L / 5.7L 1991, Oil Filter Adapter without Oil Cooler by Melling®. A Melling oil filter adapter for GM applications is available should one be damaged or lost during the engine repair/rebuilding process. The Melling oil...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$20.05
- AllStar Performance®Oil Filter AdapterGMC P-Series 5.7L 1991, Oil Filter Adapter by AllStar Performance®. Billet aluminum adapter replaces the stock cast aluminum adapter and eliminates the bypass found in OE adapters. Drive with confidence and have the edge with AllStar...Engineered to help you squeeze maximum performance from your carMade with high-end technologies, modern equipment, and smart materials$51.99
- Barnes®Oil Filter AdapterGMC P-Series 5.7L 1991, Oil Filter Adapter by Barnes®. Designed utilizing the latest technology, this product by Barnes features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Developed to improve overall pump performanceManufactured using CNC machining equipment$201.27
- Dorman®Connecting Rod Nut SetGMC P-Series 4.3L 1991, 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 life.High-quality steel constructionDirect replacement for a proper fit$13.81
- Pioneer Automotive®Connecting Rod Bolt SetGMC P-Series 1991, Connecting Rod Bolt Set by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$68.60 - $122.15
- Cloyes®Camshaft BushingGMC P-Series 1991, Camshaft Bushing 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 timing gear set, Cloyes has the...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$19.47
- Cloyes®Two-Piece Timing Cover Repair KitGMC P-Series 7.4L 1991, Two-Piece Timing Cover Repair Kit 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 timing...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$28.77
- Pioneer Automotive®Timing Cover Bolt SetGMC P-Series 5.7L / 7.4L 1991, Timing Cover Bolt Set by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.47 - $7.93
- ACDelco®Genuine GM Parts™ Camshaft Retainer PlateGMC P-Series 4.3L 1991, Genuine GM Parts™ Camshaft Retainer Plate by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$16.24
- Cloyes®Camshaft Thrust ButtonGMC P-Series 7.4L 1991, Camshaft Thrust Button 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 timing gear set,...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$16.62 - $21.64
- Cloyes®Camshaft Thrust WasherGMC P-Series 7.4L 1991, Camshaft Thrust Washer 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 timing gear set,...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$14.04 - $14.80
- Chevrolet Performance®Camshaft Retainer PlateGMC P-Series 5.7L with Chevy Small Block 1991, Camshaft Retainer Plate by Chevrolet Performance®. SBC Cam Retainer Plate 2nd Design ZZ3/ZZ4. Camshaft Retainer Designed utilizing the latest technology, this product by Chevrolet...High quality at an affordable priceExpertly made from premium materials$18.96
- Sealed Power®Rocker Arm PivotGMC P-Series 7.4L 1991, Rocker Arm Pivot 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,...Direct replacementManufactured to strict engineering quality standards$1.18
- Sealed Power®Valve LifterGMC P-Series 1991, Valve Lifter 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...OE replacementHigh strength steel retainer (precisely limits plunger travel to perform at rpm operation)$5.41 - $17.51
- Sealed Power®Valve Spring Retainer KeeperGMC P-Series 4.3L / 5.7L / 6.2L 1991, Valve Spring Retainer Keeper by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for...Direct replacementManufactured to strict engineering quality standards$0.26
- Enginetech®Engine Valve GuideGMC P-Series 1991, 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 - $73.94
- Enginetech®Engine Valve LifterGMC P-Series 1991, 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 used...Made with precision and quality in mindDesigned to meet your specific needs$11.29 - $257.15
- Enginetech®Premium Positive Valve SealsGMC P-Series 1991, 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, import and high...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$12.56 - $15.23
- Enginetech®Push RodsGMC P-Series 1991, Push Rods 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$5.81 - $108.46
- Enginetech®Self Locking Rocker Arm Ball SetGMC P-Series 4.3L / 5.7L 1991, 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,...Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques$27.18
- Enginetech®Valve SeatsGMC P-Series 1991, 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$6.48 - $77.60
Shop By Service Type
Popular Products
-
- $72.41 - $164.89
- $32.65 - $91.48
Popular Searches