1956 GMC 300 Transmission Parts
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RhinoPac®Premium Clutch KitGMC 300 5.2L 1956, Premium Clutch Kit by RhinoPac®. Includes: Pressure Plate, Clutch Disc. Does not Include: Flywheel, Slave Cylinder. Disc Outer Diameter: 11.875". Input Shaft Spline: 1.125" x 10 Teeth. Pressure Plate Style: Lever....Helps restore factory-like performanceDurable construction for long-term use$123.18 - Goodmark®Transmission Cover PanelGMC 300 1956, Transmission Cover Panel by Goodmark®. Some other restoration sheet metal companies may carry popular panels like hoods, fenders and quarter panels, but far too often they come up empty when you need supporting parts like...Faithful reproduction of the original partMade from the same material as the original part$75.19 - $85.64
- PRW®Platinum FlexplateGMC 300 5.2L / 5.3L 1956, Platinum Flexplate by PRW®. Material: Steel. PRW Platinum Series flexplates raise the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. They know...$98.47 - $119.41
- ACDelco®Gold™ Clutch Release BearingGMC 300 1956, Gold™ Clutch Release Bearing by ACDelco®. Diameter: 1.38" ID x 2.76" OD. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...$33.49
- National®Clutch Release BearingGMC 300 1956, Clutch Release Bearing by National®. Bore: 1.378". Design: Sealed Self-Aligning. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology...Possesses excellent antifriction propertiesManufactured utilizing computer controlled heat treatment processes for lasting performance$28.97 - $40.43
- National®Manual Transmission Output Shaft SealGMC 300 with 4-Speed GMC SM420 Transmission 1956, Manual Transmission Output Shaft Seal by National®. Width: 0.437". Inside Diameter: 2.250". Outside Diameter: 3.001". Housing Bore: 2.996". Don’t just repair a leak, prevent future...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$12.59
- Fel-Pro®Manual Transmission Gasket KitGMC 300 1956, Manual Transmission Gasket Kit 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...Direct OEM replacement for a proper fitEnsures reliable sealing performance$9.52 - $11.28
- Hayden®Transmission Oil Cooler CouplingGMC 300 1956, Transmission Oil Cooler Coupling by Hayden®. Replace your defective oil cooler coupling with this part. Manufactured from premium brass, the part fits most 5/16" transmission lines with 1/2"-20 thread. It is compatible...Fits most 5/16" trans-lines with 1/2"-20 threadCompatible with OEM cooler systems$4.69
- National®Manual Transmission Shift Shaft SealGMC 300 3-Speed with Borg-Warner T89 Transmission 1956, Manual Transmission Shift Shaft Seal by National®. Width: 0.175". Inside Diameter: 0.593". Outside Diameter: 0.943". Housing Bore: 0.935". Don’t just repair a leak, prevent...Low swell in hydrocarbon fluidsDesign type: spring loaded; multi-lip$5.37
- Motorcraft®Full Synthetic Manual Transmission Fluid, 1 QuartFull Synthetic Manual Transmission Fluid, 1 Quart by Motorcraft®. Oil Base: Full Synthetic. Volume: 1 Quart. Quantity: 1 Bottle. This product is made of high-quality components to meet and exceed strict quality requirements. Designed...Made to provide the perfect lubricant solution for your needsDesigned with innovative manufacturing techniques$27.66
- Lucas Oil®Transmission Fix, 24 ozTransmission Fix, 24 oz by Lucas Oil®. Volume: 24 oz. Quantity: 1 Tube. Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Use...Contains no solventsLowers operating temperatures and stops foaming$13.99
- Royal Purple®Synchromax™ Synthetic High Performance Manual Transmission FluidSynchromax™ Synthetic High Performance Manual Transmission Fluid by Royal Purple®. High Performance. Royal Purple Synchromax™ is recommended for manual transmissions that specify an automatic transmission fluid or other...Greater wear protectionSmoother shifts$16.65 - $107.94
- BlueDevil®Transmission Sealer, 16 ozTransmission Sealer, 16 oz by BlueDevil®. Volume: 16 oz. Quantity: 1 Tube. 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$13.49
- Valvoline®Synchromesh™ Manual Transmission Fluid, 1 QuartSynchromesh™ Manual Transmission Fluid, 1 Quart by Valvoline®. Volume: 1 Quart. Quantity: 1 Bottle. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$10.59
- Fuller®Transmission Lubricant, 4 ccTransmission Lubricant, 4 cc by Fuller®. Volume: 4 cc. Quantity: 1 Tube. 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...Expertly crafted from premium materialsDesigned to match rigorous quality standards$3.26
- Perfection®Clutch KitGMC 300 4.4L 1956, Clutch Kit by Perfection®. Heavy Duty. Includes: Cover, Disc, Release Bearing, Pilot Bearing/Bushing, Alignment Tool, Spline Lubricant. Does not Include: Flywheel. Disc Outer Diameter: 10". Input Shaft Spline: 1.125"...Conventional designs engineered for installation ease and a more economical, complete clutch jobPerformance Clutch Kits and high clamp load designs for those applications where the OE Clutch Kit requires operating enhancements$90.31
- Timken®Clutch Thrust Ball BearingGMC 300 1956, Clutch Thrust Ball Bearing by Timken®. OD: 2.735". Width: 0.687". Bore: 1.6915". Get optimum vehicle performance with Timken bearings. Timken manufactures ball bearings, cylindrical roller bearings, and tapered roller...Designed to effectively reduce frictionUltimate load handling capability$44.40
- McLeod®RXT Twin Disc Clutch KitGMC 300 5.2L / 5.3L 1956, RXT Twin Disc Clutch Kit by McLeod®. Disc Outer Diameter: 9 11/16". Pressure Plate Style: Diaphragm. Intended for the high horsepower street/strip fan, the McLeod RXT Street twin clutch kit is an economically...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$955.00 - $1,165.00
- AMS Auto®Clutch KitGMC 300 5.2L 1956, Clutch Kit by AMS Auto®. Pressure Plate Style: Lever Style. Disc Material: Organic. Clutch Disc Diameter: 11.875". Constructed utilizing precision manufacturing techniques and premium materials, this product by AMS...Designed to make your driving experience safe and comfortableBuilt to meet or exceed the OEM characteristics$179.88
- Perfection®ZOOM Street Performance Clutch KitGMC 300 1956, ZOOM Street Performance Clutch Kit by Perfection®. Does not Include: Flywheel. Disc Material: Organic. Designed utilizing the latest technology, this product by Perfection features premium quality and will perform better...OE Self Adjusting Clutch Kits alternatives (conventional designs engineered for installation ease and a more economical, complete clutch job)Performance Clutch Kits and high clamp load designs for those applications where the OE Clutch Kit requires operating enhancements$154.88 - $352.96
- Hays®Classic Conversion Clutch KitGMC 300 1956, Classic Conversion Clutch Kit by Hays®. Does not Include: Flywheel, Pilot Bushing. Input Shaft Spline: 1-1/8" x 26 Teeth. Disc Center Style: Spring Hub. Disc Material: Organic. Horse Power Rating: 400. Hays Classic Clutch...Great drivability for power levels up to 400 horsepowerClutch kit is painted signature Hays Classic orange color$359.95 - $380.95
- Hays®Street 650 Clutch KitGMC 300 1956, Street 650 Clutch Kit by Hays®. Does not Include: Flywheel, Pilot Bushing. Input Shaft Spline: 1-1/8" x 26 Teeth. Disc Center Style: Spring Hub. Disc Material: Sintered Metallic. Horse Power Rating: 650. Hays Street 650...Designed for power levels up to 650 naturally aspirated horsepower (600 HP for forced induction/nitrous)True “Street/Strip” clutch kit for spirited street driving and frequent track use$435.95 - $529.95
- Mahle®Manual Transmission Gasket SetGMC 300 1956, 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 manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$10.72 - $12.78
- USA Standard Gear®Manual Transmission Gasket SetGMC 300 4-Speed 1956, Manual Transmission Gasket Set by USA Standard Gear®. 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 will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$10.00
- National®Clutch Pilot BushingGMC 300 4.4L / 5.2L 1956, Clutch Pilot Bushing by National®. Heavy Duty. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to the original equipment...Designed for dependable operation and lasting performanceMeets OE configurations$8.34
- National®Manual Transmission Countershaft BearingGMC 300 4-Speed 1956, Manual Transmission Countershaft Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment technology to ensure...Possesses excellent antifriction propertiesManufactured utilizing computer controlled heat treatment processes for lasting performance$34.00 - $85.29
- Valvoline®MaxLife™ Full Synthetic Multi-Vehicle Automatic Transmission FluidGMC 300 1956, MaxLife™ Full Synthetic Multi-Vehicle Automatic Transmission Fluid by Valvoline®. Oil Base: Full Synthetic. Volume: 1 Quart. MaxLife™ Multi-Vehicle ATF is a full synthetic formulation with advanced additives to prevent...High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaksFull synthetic base oils and long-life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids$46.48
- Buyers®Hydraulic Pump GasketHydraulic Pump Gasket by Buyers®. 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 industry-leading...Ideal for mounting a Buyers Products clutch pump/PTO on your engineHigh quality at an affordable price$9.30 - $10.61
- Lubegard®Kooler Kleen™ Transmission Cooler Flush, 13.25 ozKooler Kleen™ Transmission Cooler Flush, 13.25 oz by Lubegard®. Volume: 13.25 oz. Quantity: 1 Tube. Winner of 9 Industry Awards! - Solvent-Based formula chemically removes contaminants from transmission cooler lines safely and...Flushes out grease, dirt, sludge and metal shavingsInhibits the return of foreign deposits including rust$9.79
- REV-X®Shift™ SAE 50W Manual Transmission FluidShift™ SAE 50W Manual Transmission Fluid by REV-X®. SHIFT is an Extreme Performance Heavyweight lubricant designed for use in the older Manual Transmissions that required heavy weight gear oils. SHIFT provides increases in load...Perfect solution for your motoring needsBuilt to ensure the finest levels of quality and value$33.95 - $679.00
