1978 GMC P25 Drivetrains

Essential Drivetrains for 1978 GMC P25s

Neapco – Universal Joint (Part No.1-0153)

Universal Joint

from

$4.49
Universal Joint
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Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Differential Pinion Shim Kit

from

$12.99


Product Features:
  • KIT SHIM
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Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

Tapered Roller Bearing

from

$17.49
Product Features:
  • Brand may vary by location
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Dorman – Help – C.V. Joint Bolted Split Boot Kit Outer (Part No.03609)

C.V. Joint Bolted Split Boot Kit Outer

from

$40.99
Our CV Joint Boots provide various methods of eliminating the removal of the CV joint during installation. Uni-Fit boots can be stretched over the CV Joint and Quick Boots come in halves.

Product Features:
  • Save labor with easy installation methods
  • Comes with grease and clamps
  • Rugged silicone or neoprene materials offer a high resistance to cracking, rotting and leaking
  • The Speedi and Quick Boot are installed without special tools
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National – Shaft Repair Sleeve (Part No.99187)

Shaft Repair Sleeve

from

$36.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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Driveworks – Oil Seal (Part No.S-9449)

Oil Seal

from

$5.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Richmond Gear – MiniSpool (Part No.78-1230-1)

MiniSpool

from

$151.99
MiniSpool

Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6038)

Center Support Bearing Motor Mount: Center, 1 Piece

from

$40.99
Center support bearings or Carrier Support Bearings are used when the driveshaft is split into two sections. It serves as a junction on the drive shaft between the transmission and the differential allowing the driveshaft to flex, relieving stress on other drive line components. Each part is engineered and designed to OE Standards. Applicable to AUTOCAR 84-88; CHEV 60-02; DODGE 57-02; FORD 55-07; GMC 63-02; INTL 57-02; KW 81-18; MACK 80-83; PTRB 65-83; WHGM 88-95; WHIT 81-88;. Please verify your application.

Product Features:
  • MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
  • HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
  • READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
  • For Years: 1955-2018
  • Weight approx: 4 Lbs
  • BEARING ID / BORE: 1.5750 INCH / 40 MM
  • CENTERLINE: 2.48 INCH / 63 MM
  • MOUNT WIDTH: 6.62 INCH / 168 MM
  • STYLE: ROUND FRAME
  • NOT PICTURED: TWO DUST SHIELDS
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Driveworks – Wheel Bearing: Direct Fit, 1 Piece (Part No.S-5707)

Wheel Bearing: Direct Fit, 1 Piece

from

$15.99
Driveworks wheel bearings are a direct replacement for original parts at a much more affordable cost. Each wheel bearing is engineered to meet or exceed OE specifications, and goes through intensive quality control inspections to ensure proper fitment. Manufactured using high-precision machinery and advanced heat treatment processes, these bearings are designed for maximum durability and extended periods of use under any driving condition. Specific to certain applications, Driveworks bearings have multi-lip seals built into the bearing for increased protection against invasive contaminants and premature wear.

Product Features:
  • Depending on the application, specified Driveworks wheel bearings have integrated encoder rings that automatically sync with the vehicle’s anti-lock braking system (ABS) upon successful installation
  • Engineered, manufactured, and tested to meet or exceed OE specifications
  • Integrated seal design improves contamination resistance for a longer bearing life
  • High performance grease is used to lubricate the inner raceway to ensure smooth operation, higher operating temperatures, and minimal noise
  • Manufactured from high quality steel to maximize durability under even the harshest driving conditions
  • Brand may vary by location
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National – Wheel Bearing (Part No.5707)

Wheel Bearing

from

$22.99
Manufactured with premium-grade steel, National® cylindrical bearings are designed and engineered to meet OE specifications.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Felpro – Drive Axle Shaft Flange Gasket 8 Bolt Hole Gasket, 2.719 Inch Inside Diameter, 4.438 Inch Outside Diameter (Part No.55350)

Drive Axle Shaft Flange Gasket 8 Bolt Hole Gasket, 2.719 Inch Inside Diameter,  4.438 Inch Outside Diameter

from

$5.79
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Richmond Gear – Differential Cross Shaft (Part No.80-0269-1)

Differential Cross Shaft

from

$64.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Motive Gear – Differential Bearing Kit – Koyo (Part No.R12R)

Differential Bearing Kit - Koyo

from

$102.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • KIT BRG & SL 12 BLT 8 7/8
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Spicer – Universal Joint, Greaseable 1350 Series (Part No.5-178X)

Universal Joint, Greaseable 1350 Series

from

$44.99
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

Product Features:
  • OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
  • Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
  • The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
  • Zerk allows for lubricating at regular intervals to help extend the life of the part.
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Driveworks – Manual Transmission Input Shaft Seal (Part No.S-481181-N)

Manual Transmission Input Shaft Seal

from

$8.49
Product Features:
  • Brand may vary by location
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FAG US – Cup (Part No.LM501310)

Cup

from

$9.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Driveworks – Drive Shaft Center Support (Part No.S-HB-88107-E)

Drive Shaft Center Support

from

$42.99
Product Features:
  • Brand may vary by location
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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

from

$8.99
High-quality Differential Carrier Shim Kit

Product Features:
  • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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Motive Gear – Differential Ring and Pinion (Part No.GM12-373A)

Differential Ring and Pinion

from

$179.99


Product Features:
  • GM 12BL 8.875 R/P 3.73A MG
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Dorman – Spindle Washer – I.D. 27/32 In. O.D. 2-1/16 In. Thickness 11/64 In. (Sold by each) (Part No.618-007)

Spindle Washer - I.D. 27/32 In. O.D. 2-1/16 In. Thickness 11/64 In. (Sold by each)

from

$4.99
This spindle nut washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Auto Transmission Case Vent (Part No.14689)

Auto Transmission Case Vent

from

$7.49
This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles
  • Restores functionality – reliable replacement for an original vent that has failed due to blockage or fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Motive Gear – Axle Shaft (Part No.MG1774)

Axle Shaft

from

$175.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:
  • AXLE SHAFT 10.5″ 30 SPL. 37 9/16″ R.H.
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Motive Gear – Differential Gear Install Kit (Part No.GM12IK)

Differential Gear Install Kit

from

$69.99


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 TRUCK
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Driveworks – Oil Seal (Part No.S-9613S)

Oil Seal

from

$4.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Bearing Race (Part No.HM803110)

Bearing Race

from

$20.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Powertrax – No-Slip Traction System (Part No.9207883005)

No-Slip Traction System

from

$551.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    National – Bearings (Part No.N-1211-L)

    Bearings

    from

    $94.99
    Product Features:
    • BUILT TO LAST: Advanced heat treatment process for strength
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
    • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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    Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $14.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    Upgrade your 1978 GMC P25 with Top-Quality Drivetrains

    When it comes to maintaining or upgrading your 1978 GMC P25, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Drivetrains are key to keeping your P25 functioning at its best. At Advance Auto Parts, we offer a wide selection of 94 Drivetrains for the 1978 GMC P25, designed to meet your needs without breaking the bank. From Drive Shafts and Axle replacements to Differentials upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

    Affordable Prices and Wide Selection

    Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1978 GMC P25 at great prices. Our Drivetrains inventory for this model ranges from just $4.29 to $551.99, with an average price of $82.97. Our 94 Drivetrains in stock come from 16 trusted brands, so you’re sure to find the right part for your 1978 GMC P25 without overspending.

    Top Brands and High Customer Satisfaction

    Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 GMC P25, we stock popular OEM and aftermarket Drivetrains from top names like Spicer, National, DriveWorks, and more. Spicer Drivetrains start at just $31.99 and boast an impressive 4.6 stars average rating from customers. National and DriveWorks also bring quality to the table, with Drivetrains available starting at $4.99, and at an average 4.3 stars rating. With 978 customer reviews and counting, our 1978 GMC P25 Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.

    Explore Related Parts and More

    While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1978 GMC P25 is always ready to roll. We’re committed to providing you with everything you need to keep your P25 in top shape, all in one place. Start shopping confidently below for your 1978 GMC P25!

    Best-Selling Drive Shafts and Axles for 1978 GMC P25s

    Enhance the driving experience in your GMC with 19 quality Drive Shafts and Axle components, starting at $5.29.

    Spicer – Universal Joint, Greaseable 1310 Series OSR (Part No.5-153X)

    Universal Joint, Greaseable 1310 Series OSR

    from

    $31.99
    When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

    Product Features:
    • OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
    • Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
    • The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
    • Zerk allows for lubricating at regular intervals to help extend the life of the part.
    See More

    Spicer – Universal Joint (Part No.5-1310X)

    Universal Joint

    from

    $38.99
    You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
    See More

    Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6038)

    Center Support Bearing Motor Mount: Center, 1 Piece

    from

    $40.99
    Center support bearings or Carrier Support Bearings are used when the driveshaft is split into two sections. It serves as a junction on the drive shaft between the transmission and the differential allowing the driveshaft to flex, relieving stress on other drive line components. Each part is engineered and designed to OE Standards. Applicable to AUTOCAR 84-88; CHEV 60-02; DODGE 57-02; FORD 55-07; GMC 63-02; INTL 57-02; KW 81-18; MACK 80-83; PTRB 65-83; WHGM 88-95; WHIT 81-88;. Please verify your application.

    Product Features:
    • MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
    • HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
    • READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
    • For Years: 1955-2018
    • Weight approx: 4 Lbs
    • BEARING ID / BORE: 1.5750 INCH / 40 MM
    • CENTERLINE: 2.48 INCH / 63 MM
    • MOUNT WIDTH: 6.62 INCH / 168 MM
    • STYLE: ROUND FRAME
    • NOT PICTURED: TWO DUST SHIELDS
    See More

    Dorman – Help – Auto Transmission Case Vent (Part No.14689)

    Auto Transmission Case Vent

    from

    $7.49
    This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

    Product Features:
    • Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles
    • Restores functionality – reliable replacement for an original vent that has failed due to blockage or fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    National – Drive Shaft Center Support Bearing (Part No.HB-206-FF)

    Drive Shaft Center Support Bearing

    from

    $46.99
    Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.

    Product Features:
    • BUILT TO LAST – Advanced heat treatment process for strength
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for lasting performance and extended bearing life
    • RELIABLE PERFORMANCE – Element size and quantity are engineered to meet or exceed the load rating of OE bearings
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Driveworks – Universal Joint (Part No.DW-331BL)

    Universal Joint

    from

    $15.99
    Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

    Product Features:
    • The cross is hot forged for the higher torque and horsepower
    • The bearing cups are made by cold forging, having higher strength and better rigidity
    • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
    • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
    • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
    • Snap rings are held to strict tolerances to ensure proper cup position and retention
    • Nitrile rubber seals to optimize grease retention and reduce contamination
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    Felpro – Drive Axle Shaft Flange Gasket 8 Bolt Hole Gasket, 2.719 Inch Inside Diameter, 4.438 Inch Outside Diameter (Part No.55350)

    Drive Axle Shaft Flange Gasket 8 Bolt Hole Gasket, 2.719 Inch Inside Diameter,  4.438 Inch Outside Diameter

    from

    $5.79
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
    See More

    National – Wheel Bearing (Part No.5707)

    Wheel Bearing

    from

    $22.99
    Manufactured with premium-grade steel, National® cylindrical bearings are designed and engineered to meet OE specifications.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Controlled heat treating process for lasting performance and extended bearing life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Spicer – Universal Joint, Greaseable 1350 Series (Part No.5-178X)

    Universal Joint, Greaseable 1350 Series

    from

    $44.99
    When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

    Product Features:
    • OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
    • Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
    • The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
    • Zerk allows for lubricating at regular intervals to help extend the life of the part.
    See More

    Spicer – Universal Joint (Part No.5-1350X)

    Universal Joint

    from

    $45.99
    You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
    See More

    National – Drive Shaft Center Support Bearing (Part No.HB-88107-A)

    Drive Shaft Center Support Bearing

    from

    $44.99
    Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.

    Product Features:
    • BUILT TO LAST – Advanced heat treatment process for strength
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for lasting performance and extended bearing life
    • RELIABLE PERFORMANCE – Element size and quantity are engineered to meet or exceed the load rating of OE bearings
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6056)

    Center Support Bearing Motor Mount: Center, 1 Piece

    from

    $21.49
    Center support bearings or Carrier Support Bearings are used when the driveshaft is split into two sections. It serves as a junction on the drive shaft between the transmission and the differential allowing the driveshaft to flex, relieving stress on other drive line components. Each part is engineered and designed to OE Standards. Applicable to AUTOCAR 84-88; CHECKER 55-82; CHEV 60-12; DODGE 57-02; FORD 55-10; GMC 63-07; INTL 57-02; ISUZU 96-01; KW 81-18; MACK 80-90; MAZDA 87-94; MITS 87-09; OLDS 90-01; PLYM 80-83; PTRB 65-83; WHGM 88-95; WHIT 81-88;. Please verify your application.

    Product Features:
    • MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
    • HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
    • READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
    • For Years: 1955-2018
    • Weight approx: 3 Lbs
    • BEARING ID / BORE: 1.3780 INCH / 35 MM
    • CENTERLINE: 2.28 INCH / 58 MM
    • MOUNT WIDTH: 6.62 INCH / 168 MM
    • STYLE: ROUND FRAME
    • COMPLETE MOUNT
    See More

    Driveworks – Wheel Bearing: Direct Fit, 1 Piece (Part No.S-5707)

    Wheel Bearing: Direct Fit, 1 Piece

    from

    $15.99
    Driveworks wheel bearings are a direct replacement for original parts at a much more affordable cost. Each wheel bearing is engineered to meet or exceed OE specifications, and goes through intensive quality control inspections to ensure proper fitment. Manufactured using high-precision machinery and advanced heat treatment processes, these bearings are designed for maximum durability and extended periods of use under any driving condition. Specific to certain applications, Driveworks bearings have multi-lip seals built into the bearing for increased protection against invasive contaminants and premature wear.

    Product Features:
    • Depending on the application, specified Driveworks wheel bearings have integrated encoder rings that automatically sync with the vehicle’s anti-lock braking system (ABS) upon successful installation
    • Engineered, manufactured, and tested to meet or exceed OE specifications
    • Integrated seal design improves contamination resistance for a longer bearing life
    • High performance grease is used to lubricate the inner raceway to ensure smooth operation, higher operating temperatures, and minimal noise
    • Manufactured from high quality steel to maximize durability under even the harshest driving conditions
    • Brand may vary by location
    See More

    National – Multi Purpose Seal (Part No.7412S)

    Multi Purpose Seal

    from

    $8.49
    Product Features:
    • Design type: spring loaded; single-lip
    • Temperature range: -40 deg. F to 225 deg. F / -40 deg. C to 107 deg. C
    • Good low temperature capability
    • Low swell in hydrocarbon fluids
    • Delivers quality and reliable performance for every type of repair
    See More

    Driveworks – Drive Shaft Center Support (Part No.S-HB-88107-E)

    Drive Shaft Center Support

    from

    $42.99
    Product Features:
    • Brand may vary by location
    See More

    National – Shaft Repair Sleeve (Part No.99125)

    Shaft Repair Sleeve

    from

    $30.49
    National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    See More

    Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6027)

    Center Support Bearing Motor Mount: Center, 1 Piece

    from

    $5.29
    Center support bearings or Carrier Support Bearings are used when the driveshaft is split into two sections. It serves as a junction on the drive shaft between the transmission and the differential allowing the driveshaft to flex, relieving stress on other drive line components. Each part is engineered and designed to OE Standards. Applicable to AUTOCAR 84-88; CHECKER 55-82; CHEV 60-12; DODGE 87-97; GMC 67-05; MACK 80-83; PTRB 65-83; WHGM 88-95; WHIT 81-88;. Please verify your application.

    Product Features:
    • MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
    • HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
    • READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
    • For Years: 1955-2012
    • Weight approx: 1 Lbs
    • CUSHION INSERT ONLY
    • FOR COMPLETE MOUNT SEE PART 6056
    See More

    Spicer – Universal Joint (Part No.5-1350-1X)

    Universal Joint

    from

    $49.99
    When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.
    See More

    National – Multi-Purpose Seal (Part No.481181N)

    Multi-Purpose Seal

    from

    $14.99
    National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Design type: spring loaded; single-lip
    • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
    • Resistance to EP lubricants
    • Low swell in hydrocarbon fluids
    • Delivers quality and reliable performance for every type of repair
    See More

    Most Popular 1978 GMC P25 Differentials

    Customize your GMC with 49 Differentials products like Differential Oil, Rear Differential Cover Gaskets, and Differential Bearings, all priced under $551.99.

    Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

    from

    $14.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
    See More

    National – Bearing Race (Part No.382A)

    Bearing Race

    from

    $10.99
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways for even load distribution
    • OE-STYLE DESIGN – Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Richmond Gear – Differential Ring And Pinion (Part No.49-0072-1)

    Differential Ring And Pinion

    from

    $350.99
    Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

    Product Features:
    • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
    • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
    • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
    • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
    • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
    See More

    Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55063)

    Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket

    from

    $8.29
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Driveworks – Tapered Cone Wheel Bearing Assembly (Part No.S-387-AS)

    Tapered Cone Wheel Bearing Assembly

    from

    $18.49
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Motive Gear – Differential Master Bearing Kit – Timken (Part No.R10RMKT)

    Differential Master Bearing Kit - Timken

    from

    $135.99
    Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

    Product Features:
    • KIT BRG & SEAL GM 10 BOLT MASTER NON IFS FRONT / REAR
    See More

    National – Tapered Roller Bearing Cone (Part No.LM501349)

    Tapered Roller Bearing Cone

    from

    $19.99
    Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN – Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Motive Gear – Differential Carrier Shim Kit (Part No.1101)

    Differential Carrier Shim Kit

    from

    $8.99
    High-quality Differential Carrier Shim Kit

    Product Features:
    • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
    See More

    Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

    from

    $11.99
    Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

    Product Features:
    • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
    See More

    Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

    Tapered Roller Bearing

    from

    $17.49
    Product Features:
    • Brand may vary by location
    See More

    Motive Gear – Differential Pinion Shim Kit (Part No.1104)

    Differential Pinion Shim Kit

    from

    $12.99


    Product Features:
    • KIT SHIM
    See More

    National – Bearing Race (Part No.HM803110)

    Bearing Race

    from

    $20.49
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways for even load distribution
    • OE-STYLE DESIGN – Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Bearing Race (Part No.LM501310)

    Bearing Race

    from

    $8.49
    Product Features:
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION: Crowned raceways for even load distribution
    • OE-STYLE DESIGN: Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Motive Gear – Differential Crush Sleeve (Part No.3954482)

    Differential Crush Sleeve

    from

    $5.99


    Product Features:
    • CRUSH SLV 8 7/8 12BLT TRK
    See More

    National – Tapered Roller Bearing Cone (Part No.HM803149)

    Tapered Roller Bearing Cone

    from

    $36.99
    Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN – Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Multi-Purpose Bearing (Part No.R-1581-TV)

    Multi-Purpose Bearing

    from

    $33.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
    • STRONG AND DURABLE — Controlled heat treatment process for strength and durability
    • OE-STYLE DESIGN — Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    Motive Gear – Differential Ring and Pinion (Part No.GM12-456)

    Differential Ring and Pinion

    from

    $209.99


    Product Features:
    • GM 12BL 8.875 R/P 4.56 MG
    See More

    Motive Gear – Axle Shaft (Part No.MG1774)

    Axle Shaft

    from

    $175.99
    The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

    Product Features:
    • AXLE SHAFT 10.5″ 30 SPL. 37 9/16″ R.H.
    See More

    Motive Gear – Axle Shaft (Part No.MG1775)

    Axle Shaft

    from

    $141.99
    The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

    Product Features:
    • AXLE SHAFT GM 10.5″ 30 SPL. 31 11/16″ L.H.
    See More

    Driveworks – Wheel Bearing (Part No.S-R1581-TV)

    Wheel Bearing

    from

    $27.99
    Product Features:
    • Brand may vary by location
    See More

    Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)

    Tapered Roller Bearing

    from

    $13.49
    Product Features:
    • Brand may vary by location
    See More

    Motive Gear – Differential Ring and Pinion (Part No.GM12-373X)

    Differential Ring and Pinion

    from

    $226.99


    Product Features:
    • GM 12BL 8.875 R/P 3.73 THICK MG
    See More

    Motive Gear – Differential Ring and Pinion (Part No.GM12-373A)

    Differential Ring and Pinion

    from

    $179.99


    Product Features:
    • GM 12BL 8.875 R/P 3.73A MG
    See More

    Powertrax – No-Slip Traction System (Part No.9207883005)

    No-Slip Traction System

    from

    $551.99
    For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.Powertrax® = Extreme Traction Systems!
    See More

    Top Picks for 1978 GMC P25 CV Axles and Joints

    Upgrade GMC P25s with top-quality CV Axles and Joints parts, including 1 OEM and aftermarket selections for your 1978 model.

    Dorman – Help – C.V. Joint Bolted Split Boot Kit Outer (Part No.03609)

    C.V. Joint Bolted Split Boot Kit Outer

    from

    $40.99
    Our CV Joint Boots provide various methods of eliminating the removal of the CV joint during installation. Uni-Fit boots can be stretched over the CV Joint and Quick Boots come in halves.

    Product Features:
    • Save labor with easy installation methods
    • Comes with grease and clamps
    • Rugged silicone or neoprene materials offer a high resistance to cracking, rotting and leaking
    • The Speedi and Quick Boot are installed without special tools
    See More

    In-Demand Transfer Cases for 1978 GMC P25s

    Select from 8 premium Transfer Cases parts for your 1978 GMC P25, with prices ranging from $4.99 to $94.99.

    Driveworks – Oil Seal (Part No.S-9613S)

    Oil Seal

    from

    $4.99
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Shaft Repair Sleeve (Part No.99187)

    Shaft Repair Sleeve

    from

    $36.49
    National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    See More

    Driveworks – Oil Seal (Part No.S-9449)

    Oil Seal

    from

    $5.49
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Multi-Purpose Bearing (Part No.208-LO)

    Multi-Purpose Bearing

    from

    $49.49
    Product Features:
    • BUILT TO LAST: Advanced heat treatment process for strength
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
    • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Bearings (Part No.N-1211-L)

    Bearings

    from

    $94.99
    Product Features:
    • BUILT TO LAST: Advanced heat treatment process for strength
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
    • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Shaft Repair Sleeve (Part No.99176)

    Shaft Repair Sleeve

    from

    $46.99
    National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    See More

    FAG US – Cup (Part No.LM104911)

    Cup

    from

    $16.99
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    Driveworks – Manual Transmission Input Shaft Seal (Part No.S-481181-N)

    Manual Transmission Input Shaft Seal

    from

    $8.49
    Product Features:
    • Brand may vary by location
    See More

    Most Sold 1978 GMC P25 Universal Joints

    Explore our best-selling GMC parts for the 1978 P25 among 15 OEM and aftermarket options starting from $4.49.

    MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)

    Greaseable Premium Universal Joint

    from

    $35.99
    Product Features:
    • BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
    • STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
    • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
    • INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
    • RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    See More

    MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.269)

    Non-Greaseable Super Strength Universal Joint

    from

    $33.99
    Product Features:
    • BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
    • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
    • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
    • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
    See More

    MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.280)

    Greaseable Super Strength Universal Joint

    from

    $46.99
    Product Features:
    • BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
    • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
    • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
    • GREASABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
    • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
    See More

    MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.232)

    Greaseable Super Strength Universal Joint

    from

    $37.99
    Product Features:
    • BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
    • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
    • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
    • GREASABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
    • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
    See More

    Driveworks – Universal Joint (Part No.DW-369)

    Universal Joint

    from

    $15.99
    Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

    Product Features:
    • The cross is hot forged for the higher torque and horsepower
    • The bearing cups are made by cold forging, having higher strength and better rigidity
    • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
    • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
    • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
    • Snap rings are held to strict tolerances to ensure proper cup position and retention
    • Nitrile rubber seals to optimize grease retention and reduce contamination
    See More

    Driveworks – Universal Joint (Part No.DW-331)

    Universal Joint

    from

    $15.99
    Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

    Product Features:
    • The cross is hot forged for the higher torque and horsepower
    • The bearing cups are made by cold forging, having higher strength and better rigidity
    • Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
    • Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
    • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
    • Snap rings are held to strict tolerances to ensure proper cup position and retention
    • Nitrile rubber seals to optimize grease retention and reduce contamination
    See More

    MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.231)

    Non-Greaseable Super Strength Universal Joint

    from

    $37.99
    Product Features:
    • BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
    • COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
    • CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
    • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    • STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
    See More

    MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.331)

    Greaseable Premium Universal Joint

    from

    $41.99
    Product Features:
    • BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
    • STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
    • KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
    • INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
    • RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    See More

    Brute Force – Universal Joint (Part No.2-0053BF)

    Universal Joint

    from

    $8.39
    Universal Joint – Brute Force
    See More

    Neapco – Universal Joint (Part No.1-0154)

    Universal Joint

    from

    $6.49
    Universal Joint
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    Dorman – Help – U-Joint Repair Assortment 2 Pc (Part No.81020)

    U-Joint Repair Assortment 2 Pc

    from

    $16.99
    This universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

    Product Features:
    • Direct replacement – this universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
    • Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
    • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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    Neapco – Universal Joint (Part No.2-0053)

    Universal Joint

    from

    $5.39
    Universal Joint
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    Neapco – Universal Joint (Part No.1-0153)

    Universal Joint

    from

    $4.49
    Universal Joint
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    Dorman – Help – U-Joint Repair Kit (Part No.81019)

    U-Joint Repair Kit

    from

    $16.99
    This universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

    Product Features:
    • Direct replacement – this universal joint strap kit is designed to match the original components required to repair and resecure universal joints on specified vehicles
    • Ideal solution – this kit is a reliable replacement for original components that are missing or have failed due to fatigue
    • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Spicer – Spicer Universal Joint (Part No.5-1310-1X)

    Spicer Universal Joint

    from

    $44.99
    When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.
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    Top-Rated Drivetrains Brands For Your 1978 GMC P25

    Shop for the best-rated brands offering Drivetrains and other products for your 1978 GMC P25s. Below you’ll find some of our best rated Drivetrains from Spicer, National, and DriveWorks, and more. Drivetrains from these brands that fit a 1978 P25 start at just $4.99 and are rated as high as 4.6 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

    Popular Spicer 1978 GMC P25 Drivetrains

    When it comes to maintaining or upgrading your 1978 GMC P25, using quality Drivetrains is essential to ensure durability and a perfect fit. Spicer ticks all of those boxes. We offer a wide selection of Spicer Drivetrains, specifically designed for the 1978 GMC P25. With over 3 Spicer brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $31.99, with an average price of just $38.66. Plus, with over 19 customer reviews and an average rating of 4.6 stars, you can trust that our Spicer Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
    Universal Joint, Greaseable 1310 Series OSR
    from $31.99
    (12)
    Universal Joint, Greaseable 1310 Series OSR
    “No problems with Installation and appears to be quality part! Great for my old School Street Car!”
    Universal Joint, Greaseable 1350 Series
    from $44.99
    (5)
    Universal Joint, Greaseable 1350 Series
    “Excellent Dana u joint.”
    Universal Joint
    from $38.99
    (2)
    Universal Joint
    “I use this on a 4×4 off-road. It’s always a tough trade-off between the greaseable and non-greasable u-joints. The non-greaseable is stronger. The”

    Popular National 1978 GMC P25 Drivetrains

    National auto parts is one of the highest quality Drivetrain brands in the market. Any 1978 GMC P25 owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1978 P25, Advance Auto Parts carries a full inventory of 3 National Drivetrains. Plus you will be keeping your GMC in peak condition while saving money because prices on these National Drivetrains range from $10.99 to $46.99, plus, with more than 8 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.
    Drive Shaft Center Support Bearing
    from $46.99
    (1)
    Drive Shaft Center Support Bearing
    “Installed the center carrier bearing in my ’64 Impala. So far so good.”
    Shaft Repair Sleeve
    from $36.49
    (1)
    Shaft Repair Sleeve
    “Fixed my Ford F-150 4.2. Fit well and installation tool seated the sleeve exactly where it needed to be. Super easy to use and covered the grooved s”
    Bearing Race
    from $10.99
    (6)
    Bearing Race
    “Fit perfectly. No difficulty replacing my old ones.”

    FAQs for 1978 GMC P25 Drivetrains

    Which Drivetrains are best-sellers for 1978 GMC P25s?

    Out of 94 Drivetrains that fit 1978 GMC P25s, the following parts are the top sellers:

    What’s the price range for 1978 GMC P25 Drivetrains?

    Drivetrain prices for the 1978 GMC P25 start at $4.29 and go up to $551.99 for the most premium parts.

    What’s the average price of a Drivetrain for a 1978 GMC P25?

    The average price for Drivetrains for the 1978 GMC P25 is $82.97. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

    Does Advance Auto Parts sell Drivetrains for other GMC P25 model years?

    Yes, we currently carry Drivetrains for 2 model years of GMC P25s between 1975 and 1977. Drivetrains are bought most frequently for the following model years: 1977, 1976, and 1975.

    What are the cheapest Drivetrains for my 1978 GMC P25?

    The cheapest 1978 GMC P25 Drivetrains we carry in stock are:

    What are the top-rated Drivetrains that fit the 1978 GMC P25?

    Out of 978 reviews by customers, our 1978 GMC P25 Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1978 GMC P25 and their top-rated products:

    Can I get help with 1978 GMC P25 Drivetrain orders?

    Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Drivetrains and more.

    What is your return policy for GMC P25 Drivetrains?

    Advance Auto Parts keeps returns simple. For new GMC P25 Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.