1978 GMC G-Series Transmission Parts
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- Clutch Kits
- Automatic Transmission Oil Coolers
- Transmission Mounts
- Solenoids, Sensors, Switches, Control Units
- Transmission Filters
- Automatic Transmission Torque Converters
- Transmission Shifters
- Clutch Flywheels
- Pans, Drain Plugs, Filler Caps
- Seals & Gaskets
- Rebuild Kits
- Clutch Linkages
- Clutch Release Bearings
- Automatic Transmission Valve Bodies
- Bearings
- Automatic Transmission Flexplates
- Automatic Transmission Oil Pumps
- Transmission Shafts & Gears
- AT Bands & Clutches
- Automatic Transmission Governors, Modulators
- Automatic Transmission Assemblies
- Clutch Pressure Plates
- Clutch Discs
- Transmission Fluids, Oils & Additives
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ATP®Dipstick Tube SealGMC G-Series THM350 Transmission 1978, Dipstick Tube Seal by ATP®. Multi-Lip. Location: Seal - Oil Filler Tube - Top Hat Boot. Inner Diameter 0.5625". Outer Diameter 1.6025". Width: 0.875". When reliability and OE performance is a must,...OE quality at an affordable priceOE fit and function$0.93 - ATP®Automatic Transmission Control SolenoidGMC G-Series THM350 Transmission 1978, Automatic Transmission Control Solenoid by ATP®. High Performance Universal Lock-Up. When reliability and OE performance is a must, turn to this ATP product designed to provide a precise fit, OE...OE quality at an affordable priceOE fit and function$77.20
- Pioneer Automotive®Control SolenoidGMC G-Series THM400 Transmission 1978, Control Solenoid by Pioneer Automotive®. Detent - Short Wire. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$42.63
- Pioneer Automotive®Modulator ValveGMC G-Series THM400 Transmission 1978, Modulator Valve by Pioneer Automotive®. Adjustable: 12.5-18 - EDA: 1.75". With Red Stripe. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$19.27
- Standard®Automatic Transmission Kickdown Solenoid SwitchGMC G-Series Automatic Transmission 1978, Automatic Transmission Kickdown Solenoid Switch by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised....OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$33.73
- Timken®Automatic Transmission Extension Housing Seal KitGMC G-Series 1978, Automatic Transmission Extension Housing Seal Kit by Timken®. Seal and Bushing Kit. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$10.97 - $14.50
- Timken®Manual Transmission Input Shaft SealGMC G-Series 1978, Manual Transmission Input Shaft Seal by Timken®. Front. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$7.41 - $9.03
- ATP®Automatic Transmission Detent Cable SealGMC G-Series THM350 Transmission 1978, Automatic Transmission Detent Cable Seal by ATP®. Location: Detent Control Cable - Top Hat Boot. Inside Diameter: 0.375". Outside Diameter: 0.625". When reliability and OE performance is a must,...OE quality at an affordable priceOE fit and function$1.16
- ATP®Automatic Transmission Extension Housing SealGMC G-Series 1978, Automatic Transmission Extension Housing Seal by ATP®. When reliability and OE performance is a must, turn to this ATP product designed to provide a precise fit, OE quality, and function. Made of premium quality...OE quality at an affordable priceOE fit and function$1.76 - $4.94
- ATP®Automatic Transmission Governor SealGMC G-Series THM350 Transmission 1978, Automatic Transmission Governor Seal by ATP®. Location: Governor Cover. When reliability and OE performance is a must, turn to this ATP product designed to provide a precise fit, OE quality, and...OE quality at an affordable priceOE fit and function$0.79
- ATP®Automatic Transmission SealGMC G-Series 1978, Automatic Transmission Seal by ATP®. When reliability and OE performance is a must, turn to this ATP product designed to provide a precise fit, OE quality, and function. Made of premium quality materials, it will...High quality at an affordable priceExpertly made from premium materials$1.06 - $1.71
- ATP®Selector Shaft SealGMC G-Series 1978, Selector Shaft Seal by ATP®. Outside Diameter: 0.75". When reliability and OE performance is a must, turn to this ATP product designed to provide a precise fit, OE quality, and function. Made of premium quality...OE quality at an affordable priceOE fit and function$1.62
- ATP®Speedometer Pinion SealGMC G-Series THM350 Transmission 1978, Speedometer Pinion Seal by ATP®. When reliability and OE performance is a must, turn to this ATP product designed to provide a precise fit, OE quality, and function. Made of premium quality...OE quality at an affordable priceOE fit and function$1.16 - $2.87
- National®Automatic Transmission Extension Housing Seal KitGMC G-Series Automatic Transmission 1978, Automatic Transmission Extension Housing Seal Kit by National®. Seal and Bushing Kit. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$8.72 - $12.82
- National®Automatic Transmission Manual Shaft SealGMC G-Series Automatic Transmission 1978, Automatic Transmission Manual Shaft Seal by National®. Width: 0.192". Inside Diameter: 0.500". Outside Diameter: 0.756". Housing Bore: 0.751". Don’t just repair a leak, prevent future problems...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$4.71
- National®Manual Transmission Shift Shaft SealGMC G-Series Transmission 3-Speed with GMC SM326 Transmission 1978, Manual Transmission Shift Shaft Seal by National®. Width: 0.156". Inside Diameter: 0.750". Outside Diameter: 1.010". Housing Bore: 0.999". Don’t just repair a leak,...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$4.67
- Pioneer Automotive®Automatic Transmission Oil Pump GasketGMC G-Series 1978, Automatic Transmission Oil Pump Gasket by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$6.98 - $7.06
- Pioneer Automotive®Automatic Transmission Oil Pump SealGMC G-Series 1978, Automatic Transmission Oil Pump Seal by Pioneer Automotive®. Front. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised....Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$8.95
- Pioneer Automotive®Automatic Transmission Valve Body GasketGMC G-Series THM350 Transmission 1978, Automatic Transmission Valve Body Gasket by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$6.31 - $10.09
- Pioneer Automotive®Extension Housing GasketGMC G-Series THM400 Transmission 1978, Extension Housing Gasket by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised....Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$5.37 - $7.57
- Pioneer Automotive®Extension Housing SealGMC G-Series 1978, Extension Housing Seal 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...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$4.27 - $6.11
- Pioneer Automotive®Gasket SetGMC G-Series 1978, Gasket 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 and lifestyle,...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$5.50 - $49.96
- Pioneer Automotive®Sealing RingGMC G-Series 1978, Sealing Ring 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 and...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$5.32 - $7.72
- Pioneer Automotive®Transmission SealGMC G-Series 1978, Transmission Seal 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 and...Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions$1.00 - $2.21
- SKF®Automatic Transmission SealGMC G-Series Transmission with THM475 Transmission 1978, Automatic Transmission Seal by SKF®. Rear. Outside Diameter: 2.885". If you’re looking for premium-quality replacement automotive parts to keep your vehicle performing reliably,...Ideal solution to make your vehicle perform as it shouldMade from high-strength materials for exceptional durability$27.89
- SKF®Automatic Transmission Shift Shaft SealGMC G-Series Automatic Transmission 1978, Automatic Transmission Shift Shaft Seal by SKF®. Outside Diameter: 0.754". This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Made with precision and quality in mindDesigned to meet your specific needs$4.19
- SKF®Manual Transmission Shift Shaft SealGMC G-Series Transmission 3-Speed 1978, Manual Transmission Shift Shaft Seal by SKF®. Outside Diameter: 1.004". This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...Made with precision and quality in mindDesigned to meet your specific needs$4.63
- SKF®Manual Transmission Speedometer Pinion SealGMC G-Series Standard Transmission 1978, Manual Transmission Speedometer Pinion Seal by SKF®. Outside Diameter: 0.624". This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Made with precision and quality in mindDesigned to meet your specific needs$5.23
- Mahle®Automatic Transmission Power Take Off GasketGMC G35 Transmission with Chelsea Power Take-Off 1978, Automatic Transmission Power Take Off Gasket by Mahle®. Material: Paper. Designed utilizing the latest technology, this product features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.79 - $2.99
- Mahle®Manual Transmission Gasket SetGMC G-Series 1978, Manual Transmission Gasket Set by Mahle®. Designed utilizing the latest technology, this product 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$9.88 - $26.83
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1978 GMC G-Series Transmission Reviews
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Posted by Alan (Saint Paul, MN) / August 21, 20212015 Toyota Venza
1978 GMC G-Series Models
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