1978 GMC G-Series Engine Parts
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- 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
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Mahle®Engine Oil FilterGMC G-Series 1978, Engine Oil Filter 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$12.73 - SKP®Engine Oil PumpGMC G-Series 1978, Engine Oil Pump by SKP®. 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$45.89
- ACDelco®Professional™ Oil Pressure SenderGMC G-Series 1978, Professional™ Oil Pressure Sender by ACDelco®. With Light. ACDelco Professional Engine Oil Pressure Sender With Gauge is an ideal high quality aftermarket replacement component for one or more of the following...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$13.71Save: $2.06 (15%)$11.65
- Goodyear Belts®Accessory Drive V-BeltGMC G-Series 1978, 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$9.61 - $16.60
- Enginetech®Connecting Rod Bearing SetGMC G-Series 5.0L / 5.7L / 6.6L 1978, Connecting Rod Bearing Set 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$21.53
- Sealed Power®Valve LifterGMC G-Series 1978, 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)$5.32 - $8.59
- DNJ Engine Components®Valve LifterGMC G-Series 5.0L / 5.7L 1978, Valve Lifter by DNJ Engine Components®. 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 replace your malfunctioning partsHelps get your vehicle back to it's original performance$5.95
- Mahle®OEM Standard Crankshaft SealGMC G-Series 1978, OEM Standard Crankshaft Seal 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$9.18
- Professional Products®Powerforce™ Harmonic BalancerGMC G-Series 1978, Powerforce™ Harmonic Balancer by Professional Products®. These dampers are the dimensional duplicate of the O.E. damper used on the 2V engine. If used on a 4V engine, the accessories (alternator, A/C, etc) will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$58.37 - $85.56
- ATP®Graywerks Engine Oil PanGMC G-Series 5.0L / 5.7L / 6.6L 1978, Graywerks Engine Oil Pan by ATP®. ATP Graywerks Oil Pans are a high quality OE replacement alternative. All pans are developed to originally specified designs, with oil capacity and baffles as...Heavy gauge materials provide superior pan durability and resistance to warpingHigh-Temp powder coating resists corrosion and ensures a long-lasting replacement (on originally painted steel pans)$67.90
- Fel-Pro®Fel-CoPrene™ Rubber Valve Cover Gasket SetGMC G-Series 5.0L / 5.7L / 6.6L 1978, Fel-CoPrene™ Rubber Valve Cover Gasket Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel...Made with precision and quality in mindDesigned to meet your specific needs$12.92
- Enginetech®Engine Oil PumpGMC G-Series 5.0L / 5.7L / 6.6L 1978, Engine Oil Pump by Enginetech®. The oil pump is a critical component of the internal combustion engine. It's just as important as the heart is to the human body. Enginetech can meet the Rebuilder's...All oil pumps are 100% cycle tested for both volume and pressureRigorously tested to withstand years of abuse$52.70 - $74.17
- Melling®Oil Pump Pick-Up Tube & ScreenGMC G-Series 5.0L / 5.7L / 6.6L 1978, 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 materials that find their way...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$11.87
- Standard®Blue Streak™ Male Oil Pressure SenderGMC G-Series 1978, Blue Streak™ Male Oil Pressure Sender by Standard®. With Light. 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$10.20
- Sealed Power®Connecting Rod Bearing SetGMC G-Series 1978, Connecting Rod Bearing Set by Sealed Power®. Sealed Power A-Series aluminum-silicon bi-metal alloy engine bearings deliver greater seizure resistance than tri-metal materials, dramatically reducing or eliminating...A-Series bi-metal aluminum alloyGreater seizure resistance than tri-metal material$3.23 - $98.49
- Dura-Bond®High Performance Camshaft Bearing SetGMC G-Series 1978, High Performance Camshaft Bearing Set by Dura-Bond®. 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...Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability$38.24 - $157.37
- Calico Coatings®H-Series Main Bearing SetGMC G-Series 1978, H-Series Main Bearing Set by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive wear. It provides intermittent dry lubrication and is not...Corrosion protectionIncreased lubricity$140.44 - $165.99
- Calico Coatings®H-Series Narrowed Connecting Rod BearingsGMC G-Series 5.0L / 5.7L / 6.6L With Small Block Engine 1978, H-Series Narrowed Connecting Rod Bearings by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and abrasive...Corrosion protectionIncreased lubricity$19.15 - $20.82
- Calico Coatings®H-Series Narrowed Doweled Connecting Rod BearingsGMC G-Series 5.0L / 5.7L / 6.6L With Small Block Engine 1978, H-Series Narrowed Doweled Connecting Rod Bearings by Calico Coatings®. Bearings are coated with our CT-1 Dry Film Lubricant coating. This coating helps reduce friction and...Corrosion protectionIncreased lubricity$20.99 - $21.71
- Enginetech®Valve SpringsGMC G-Series 1978, Valve Springs 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$9.59 - $18.14
- Apex Auto®Cylinder Head GasketGMC G-Series 1978, Cylinder Head Gasket by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto 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$11.80 - $13.42
- Apex Auto®Rear 2 Piece Crankshaft SealGMC G-Series 5.0L / 5.7L 1978, Rear 2 Piece Crankshaft Seal by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle...Quick accurate delivery with excellent fill-rateExcellent inventory availability$7.62
- ATP®Harmonic BalancerGMC G-Series 1978, Harmonic Balancer by ATP®. ATP Graywerks Harmonic Balancers are a high quality OE replacement alternative. The parts are developed to the OE design, ensuring they will install properly and function as intended. This...Manufactured to OE design ensuring each balancer will install properly and function as intendedDynamically balanced for proper absorption of the crankshaft vibrations$47.08 - $484.96
- Mahle®Engine Oil Drain PlugGMC G-Series 1978, Engine Oil Drain Plug 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. It will meet your...Made with precision and quality in mindDesigned to meet your specific needs$0.63
- Agility®Engine Oil PanGMC G-Series with Steel Oil Pan, Dipstick on Driver Side 1978, Engine Oil Pan by Agility®. Agility products have gone through extensive development and testing to insure the products they sell to meet the expectations of their customers...Meets or exceeds OE manufacturer's specifications100% performance and fit-tested$55.46
- Energy Suspension®Complete Engine & Transmission Mount SetGMC G-Series 5.0L 1978, Complete Engine & Transmission Mount Set by Energy Suspension®. Energy Suspension offers replacement mount bushings for engines, transmissions, engine subframes, differentials, transfer cases, as well as bushings...Replacement mount bushings for engines, transmissions, and transfer case prevents mechanicals from shifting around on broken or weak mounts under accelerationEliminates excess stress on axles, drive shafts, and seals that can cause premature wear and leaks when mechanicals are sitting at improper angles$104.44
- Energy Suspension®Passenger Side Motor MountGMC G-Series 5.0L 1978, Passenger Side Motor Mount by Energy Suspension®. A true performance application component for cars, trucks, hot rods and racing/competition vehicles - yet designed to be also used for street vehicles! When...Soft-running enough to absorb vibrationsFor street use yet rugged for racing use$36.12
- Fel-Pro®Blue Stripe™ Cork-Rubber Valve Cover GasketGMC G-Series 4.1L / 4.8L 1978, Blue Stripe™ Cork-Rubber Valve Cover Gasket by Fel-Pro®. This legendary cork-rubber solution combines the qualities of cork and rubber gaskets. It maintains its shape and flexibility, yet is highly...Designed for imperfect sealing surfaces - Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfacesEngineered to perform - Proprietary cork-rubber formulation$9.73
- Fel-Pro®Blue Stripe™ Valve Cover Gasket SetGMC G-Series 1978, Blue Stripe™ Valve Cover Gasket Set by Fel-Pro®. This legendary cork-rubber solution combines the qualities of cork and rubber gaskets. It maintains its shape and flexibility, yet is highly compressible. It seals...Designed for imperfect sealing surfaces - Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfacesEngineered to perform - Proprietary cork-rubber formulation$9.53 - $15.44
- Fel-Pro®PermaDryPlus™ Valve Cover Gasket SetGMC G-Series 5.0L / 5.7L / 6.6L 1978, PermaDryPlus™ Valve Cover Gasket Set by Fel-Pro®. These problem-solving gaskets feature the latest technologies designed specifically for the aftermarket repair environment. They are the right...One-piece, molded silicone rubber construction provides superior blowout resistanceTime-saving rigid carrier system provides instant fit without adhesives, hence the name “PermaDryPlus”$40.00
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1978 GMC G-Series Engine Reviews
3 reviews
Works Great. Had to Drive It for a Couple of Hundred Miles but Once I Checked Had No Leak at All
BlueDevil® - Rear Main Seal, 8 ozPosted by Customer / March 14, 20212005 Ford F-350
1978 GMC G-Series Models
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