GMC K25 Drivetrains

Essential GMC K25 Drivetrains

Yukon Gear – 7.5" And 8.5" GM Rear U/Joint Strap, Mech 3R (Part No.41201)

7.5" And 8.5" GM Rear U/Joint Strap, Mech 3R

from

$23.99
7.5″ and 8.5″ GM rear U/joint strap, Mech 3R.

Product Features:
  • u-joint strap
  • Fits GM 7.5″, 7.625″ and 8.5″
  • Mechanics 3R u-joint size
  • One single strap
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Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Taper Bearing Cup

from

$7.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

Differential Mini Spool

from

$124.99
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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Milemarker – Spindle Nut Socket (Part No.15002-01)

Spindle Nut Socket

from

$34.49
Available in 6 prong or 2.5 inch hex.

Product Features:
  • Spindle Nut Socket
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National – Bearings (Part No.02820)

Bearings

from

$9.99
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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MOOG Driveline Products – Double Cardan CV Flange Yoke (Part No.626)

Double Cardan CV Flange Yoke

from

$84.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Machined bodies to meet the tight tolerances
  • Forged and cast material to meet the performance requirement
  • Minimize the flash lines for less interference
  • Cleaning process induces compressive strength for increased performance
  • Machined and threaded holes for mounting ease
  • Rust preventative added for longer shelf life
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Yukon Gear – Dana 44 And GM 8.5" Outer Stub Axle Replacement (Part No.21086)

Dana 44 And GM 8.5" Outer Stub Axle Replacement

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$148.99
Yukon 1541H replacement outer stub axle shaft for Dana 44 and 8.5″ GM with a length of 9.94 inches and with 19 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H front axles come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Dana Spicer 44 in GM truck and Blazer and Jeep Wagoneer with disc brakes
  • Outer stub
  • 19 spline
  • 9.94″ from end of splines to center of u-joint bore
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Yukon Gear – 1330 Lifetime U/Joint (Part No.42004)

1330 Lifetime U/Joint

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$53.99
1330 Yukon Lifetime U/Joint. 3.625″ snap ring span, 1.062″ cap diameter. Outside snap ring.
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Yukon Gear – Bearing Race Driver (Part No.56003)

Bearing Race Driver

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$215.99
Bearing race driver for Dana 44 front (TK 02820). No return.

Product Features:
  • Bearing race driver
  • Fits 02820 race
  • All steel construction
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Yukon Gear – Ring and Pinion Kit (Part No.24285)

Ring and Pinion Kit

from

$419.99
Ring and Pinion Kit

Dorman – Differential Pinion Yoke Assembly (Part No.697-542)

Differential Pinion Yoke Assembly

from

$111.99
Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke.
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts.
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
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Pro-King – Differential Cross Shaft (Part No.742G673)

Differential Cross Shaft

from

$28.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50 (Part No.33011)

Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50

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$5.99
Product Features:
  • Outer oil slinger for Dana Spicer 25, 27, 30, 44 and 50
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Pro-King – Differential Cover Plug (Part No.742G484)

Differential Cover Plug

from

$6.59
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles (Part No.16005)

Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles

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$503.99
Yukon Power Lok positraction replacement internals for Dana 44 and Chysler 8.75″ with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
  • Includes two side gears, four pinion gears, cross pin shafts and side gear thrust washers.
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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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Yukon Gear – Positraction Clutch Guide (Part No.33352)

Positraction Clutch Guide

from

$8.99
Positraction clutch guide.

Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
  • Compatible with Dura Grip positractions only
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Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

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$59.99
Product Features:
  • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
  • Interlocking design makes installation much easier
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 55075)

DIFFERENTIAL GASKET

from

$8.29
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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Yukon Gear – Zip Locker For Dana 44 With 30 Spline Axles, 3.73 & Down (Part No.34018)

Zip Locker For Dana 44 With 30 Spline Axles, 3.73 & Down

from

$1302.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.73 and down ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
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National – Wheel Bearing and Seal Kit (Part No.SBK-1)

Wheel Bearing and Seal Kit

from

$19.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Spindle bearing and seal kit
  • Includes all components required to complete the repair
  • 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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MOOG Driveline Products – Double Cardan CV Centering Yoke (Part No.607)

Double Cardan CV Centering Yoke

from

$109.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Machined bodies to meet the tight tolerances
  • Forged and cast material to meet the performance requirement
  • Minimize the flash lines for less interference
  • Cleaning process induces compressive strength for increased performance
  • Machined and threaded holes for mounting ease
  • Rust preventative added for longer shelf life
See More

Yukon Gear – Forged Yoke For GM 8.5" With A 1350 U/Joint Size (Part No.41093)

Forged Yoke For GM 8.5" With A 1350 U/Joint Size

from

$359.99
Yukon forged yoke for GM 8.5″ with a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses u-bolts. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 8.5″
  • 30 spline
  • 1350 u-joint size
  • Outside snap ring design
  • 3.625″ snap ring span
  • 1.188″ cap diameter
  • Forged steel
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Yukon Gear – Dana 44, 8.2", 12P, 12T, Vet, And Model 20 U-Bolts (Part No.41198)

Dana 44, 8.2", 12P, 12T, Vet, And Model 20 U-Bolts

from

$34.99
1310 U-bolts, 5/16″ x 1-3/8″ Dana 30, Dana 44, 8.2″, 12P, 12T, VET, Model 20.

Product Features:
  • u-joint u-bolt kit
  • Fits AMC Model 20, Dana Spicer 30 and 44, GM 8.2″, 12 bolt passenger car and truck and 1963-1979 Corvette
  • 1310 u-joint size
  • Includes two u-bolts and four nuts
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Dorman – Help – U-Joint Bolt Kit (Part No.81002)

U-Joint Bolt Kit

from

$6.99
This universal joint U-bolt 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 U-bolt 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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GMC K25 Drivetrains Categories

Helping You Find the Right Drivetrains for Your GMC K25

You love your K25. So we’ve made it easier than ever to help you find GMC K25 Drivetrains in our online catalog. Our inventory holds 572 aftermarket and OEM Drivetrains for your GMC K25, ranging from $0.91 to $1,566.99.

We offer parts from 22 brands trusted to make quality Drivetrains for your GMC K25. Before you buy, take some time to read through customer reviews. We currently have 19,229 reviews of GMC K25 Drivetrains from previous customers. Some of the top rated parts include Universal Joint with 4.6 stars and Greaseable Super Strength Universal Joint with 3.8 stars.

Find your K25 Drivetrains here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC K25 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Drivetrains Brands for Your GMC K25

Our inventory holds Drivetrains for your GMC K25 from 22 trusted brands. You’ll find OEM and aftermarket parts from brands like Moog, Valvoline, and Driveworks, all of which can keep that GMC happy.
We have Mr. Gasket parts available for your GMC K25 in categories like Differentials. Some of the top-rated Mr. Gasket parts in these categories are:
Differential Gasket
from $18.09
(1)
Differential Gasket
Rear Differential Cover Gaskets

FAQs for GMC K25 Drivetrains

What are the most purchased Drivetrains for the GMC K25?

Out of 572 Drivetrains for the GMC K25, the most popular in our inventory are:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Differential Cover Gaskets
DEX/MERC Automatic Transmission Fluid, 1 Gallon
from $35.99
(17)
DEX/MERC Automatic Transmission Fluid, 1 Gallon
Differential Oil

What are the top-rated GMC K25 Drivetrains?

Top-rated Drivetrains for your GMC K25 based on customer reviews/ratings are:
Universal Joint
from $15.99
(52)
Universal Joint
“Great product.. Nice easy install”
Greaseable Super Strength Universal Joint
from $36.99
(41)
Greaseable Super Strength Universal Joint
“Easy install and great way to have sting durability with access to grease points”
Greaseable Super Strength Universal Joint
from $47.99
(39)
Greaseable Super Strength Universal Joint
“Great product.”