1978 GMC P25 Drivetrains

Essential 1978 GMC P25 Drivetrains

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

Differential Crush Sleeve

from

$5.49


Product Features:
  • CRUSH SLV 8 7/8 12BLT TRK
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National – Bearings (Part No.M802011)

Bearings

from

$14.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Bearings (Part No.208-LO)

Bearings

from

$49.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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

Wheel Bearing

from

$27.99
Product Features:
  • Brand may vary by location
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Motive Gear – Differential Ring and Pinion (Part No.GM12-411A)

Differential Ring and Pinion

from

$183.99


Product Features:
  • GM 12BL 8.875 R/P 4.11A MG
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Felpro – Differential Cover Gasket (Part No.RDS 55063)

Differential Cover Gasket

from

$6.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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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National – Multi Purpose Seal (Part No.5200)

Multi Purpose Seal

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$12.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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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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MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)

Greaseable Premium Universal Joint

from

$19.99
Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

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
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Motive Gear – Differential Gear Install Kit (Part No.GM12IK)

Differential Gear Install Kit

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$69.99


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 TRUCK
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Dorman – Help – U-Joint Repair Assortment 2 Pc (Part No.81020)

U-Joint Repair Assortment 2 Pc

from

$16.29
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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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.79
Product Features:
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks
  • Long-life friction modifiers and premium base oils help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • Enhanced cleaning additives help reduce varnish formation and keep the transmission running properly longer
  • Engineered with a unique blend of viscosity modifiers and base oils to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Felpro – Drive Axle Shaft Flange Gasket (Part No.55350)

Drive Axle Shaft Flange Gasket

from

$4.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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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Dorman – Spindle Washer – I.D. 27/32 In. O.D. 2-1/16 In. Thickness 11/64 In. (Part No.618-007.1)

Spindle Washer - I.D. 27/32 In. O.D. 2-1/16 In. Thickness 11/64 In.

from

$3.99
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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Pro-King – Rear Axle Shaft Kit (Part No.AXK-237)

Rear Axle Shaft Kit

from

$233.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and funtion.

Product Features:
  • High strength steel
  • Dual heat treating process
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Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)

Tapered Roller Bearing

from

$13.49
Product Features:
  • Brand may vary by location
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Dorman – Help – Auto Transmission Case Vent (Part No.14689)

Auto Transmission Case Vent

from

$6.99
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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Anchor – Center Support Bearing Motor Mount: Center, 1 Piece (Part No.6038)

Center Support Bearing Motor Mount: Center, 1 Piece

from

$34.49
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; 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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Richmond Gear – RngPnnInstlKt (Part No.83-1018-M)

RngPnnInstlKt

from

$224.99
RngPnnInstlKt

Spicer – Universal Joint (Part No.5-178X)

Universal Joint

from

$42.99
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.
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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

from

$8.49
High-quality Differential Carrier Shim Kit

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

$4.49
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
See More

National – Bearings (Part No.LM501310)

Bearings

from

$9.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

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

Differential Pinion Shim Kit

from

$12.99


Product Features:
  • KIT SHIM
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Dorman – Help – C.V. Joint Bolted Split Boot Kit Front Outer (Part No.03609)

C.V. Joint Bolted Split Boot Kit Front Outer

from

$34.99
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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Driveworks – Oil Seal (Part No.S-2286)

Oil Seal

from

$14.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Driveworks – Oil Seal (Part No.S-3638)

Oil Seal

from

$4.49
Product Features:
  • Brand may vary by location
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National – Shaft Repair Sleeve (Part No.99125)

Shaft Repair Sleeve

from

$27.49
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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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1978 GMC P25 Drivetrains

You count on your 1978 GMC P25 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Drivetrains. With 84 Drivetrains ranging in price from $3.99 to $360.99, you’re sure to find everything you need for your 1978 GMC P25.

Brands matter. If you want to shop a specific Drivetrains brand, we stock 13 different brands like Valvoline, Moog, and Driveworks. 1978 GMC P25 Drivetrains start as low as $3.99!

One of the best ways to find top quality OEM or aftermarket Drivetrains is by asking professionals. Short of that, you can shop with confidence thanks to our 1,784 extensive product reviews on 1978 GMC P25 Drivetrains. Some of the top-rated Drivetrains products we carry are Greaseable Super Strength Universal Joint with 4.6 stars and Greaseable Premium Universal Joint with 4.0 stars.

Did we mention you can order your Drivetrains from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Drivetrains inventory for your 1978 GMC P25 below to get started!

Top-Rated Drivetrains Brands For Your 1978 GMC P25

Trusted Drivetrains OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 GMC P25 running right for years to come. In our inventory you’ll find brands like Valvoline, Moog, Driveworks, and even more.

Popular Valvoline Drivetrains

You’ll find popular Valvoline brand products across Differentials. All are waiting to get your 1978 GMC P25 back on the road. Some of the top-rated Valvoline products in these categories are:

FAQs for 1978 GMC P25 Drivetrains

What are the most purchased Drivetrains for the 1978 GMC P25?

Out of 84 Drivetrains for the 1978 GMC P25, the most popular in our inventory are:
Greaseable Premium Universal Joint
from $19.99
(82)
Greaseable Premium Universal Joint
U-Joints
Greaseable Super Strength Universal Joint
from $36.99
(41)
Greaseable Super Strength Universal Joint
U-Joints
Universal Joint
from $15.99
(33)
Universal Joint
U-Joints

What are the top-rated 1978 GMC P25 Drivetrains?

Top-rated Drivetrains for your 1978 GMC P25 based on customer reviews/ratings are:
Greaseable Super Strength Universal Joint
from $32.99
(37)
Greaseable Super Strength Universal Joint
“grease fitting I like location dont like needle design to grease should be regular design fitting”
Greaseable Premium Universal Joint
from $19.99
(31)
Greaseable Premium Universal Joint
“Greaseable with life time warranty”
Non-Greaseable Super Strength Universal Joint
from $32.99
(28)
Non-Greaseable Super Strength Universal Joint
“installed as needed”