GMC K25 Drivetrains

Essential GMC K25 Drivetrains

USA Standard Gear – Standard Spider Gear Set For GM 10.5" 14 Bolt Truck (Part No.39022)

Standard Spider Gear Set For GM 10.5" 14 Bolt Truck

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$318.99
Product Features:
  • Spider gear kit
  • Fits GM 10.5″ 14 bolt truck open differential
  • Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
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Yukon Gear – Dana 44 Standard Open Spider Gear Kit Replacement (Part No.16077)

Dana 44 Standard Open Spider Gear Kit Replacement

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$218.99
Yukon standard open spider gear replacement kit for Dana 44 with 30 spline axles (all are without c-cup, including IFS). Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 open differential with 30 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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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 – 7/16" To 3/8" Ring Gear Bolt Spacer Sleeve. (Part No.33056)

7/16" To 3/8" Ring Gear Bolt Spacer Sleeve.

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$7.99
7/16″ TO 3/8″ ring gear bolt spacer sleeve.

Product Features:
  • Ring gear bolt sleeve
  • Adapts 7/16″ to 3/8″
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Yukon Gear – Adapter Sleeve Fro GM 11.5" & 10.5" 14 Bolt Truck Yokes To Use Triple Lip Pinion Seal (Part No.41209)

Adapter Sleeve Fro GM 11.5" & 10.5" 14 Bolt Truck Yokes To Use Triple Lip Pinion Seal

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$29.99
Product Features:
  • Adapter sleeve
  • Fits GM 10.5″ 14 bolt truck and GM 11.5″
  • Converts to triple lip seal
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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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Yukon Gear – Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75" (Part No.33143)

Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75"

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$6.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:
  • Pinion nut for Dana Spicer 25, 27, 30, 44, 50 and GM 7.75″
  • 3/4″ x 16 thread
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Yukon Gear – Dura Grip For Dana 44, 30 Spline, 3.92 & Up (Part No.26027)

Dura Grip For Dana 44, 30 Spline, 3.92 & Up

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$809.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.92 ratio and up only
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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National – Multi Purpose Seal (Part No.40769S)

Multi Purpose Seal

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$15.99
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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Yukon Gear – Steel Cover For GM 10.5" 14 Bolt Truck (Part No.32345)

Steel Cover For GM 10.5" 14 Bolt Truck

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$92.99
Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Steel
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Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)

Differential Cross Shaft

from

$66.99
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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Yukon Gear – Spindle Nut Washer For GM 10.5" 14 Bolt Truck, 2.160" I.D., 1 Tab (Part No.33511)

Spindle Nut Washer For GM 10.5" 14 Bolt Truck, 2.160" I.D., 1 Tab

from

$31.99
Product Features:
  • Spindle nut washer
  • Fits GM 10.5″ 14 bolt truck
  • 1 tab
  • 2.160″ I.D.
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Yukon Gear – Replacement Axle Bearing And Seal Kit For ’77 To ’91 Dana 44 And Jeep Wagoneer Front Axle (Part No.10033)

Replacement Axle Bearing And Seal Kit For '77 To '91 Dana 44 And Jeep Wagoneer Front Axle

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$125.99
Yukon replacement axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. Axle bearing and seal kit for ’77 to ’91 Dana 44 and Jeep Wagoneer front axle. This kit includes Timken inner and outer bearings and races along with high quality seals. Unit is sold per side and is covered for one year against manufacturing defects. This axle bearing & seal kit services one side only.

Product Features:
  • Fits 1977-1991 Jeep Wagoneer
  • Includes axle bearings, races and seal
  • Services one side
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Milemarker – Spindle Nut Socket (Part No.15002-01)

Spindle Nut Socket

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$34.49
Available in 6 prong or 2.5 inch hex.

Product Features:
  • Spindle Nut Socket
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Yukon Gear – Spindle Bearing For Dana 44 (Part No.33493)

Spindle Bearing For Dana 44

from

$23.99
Spindle bearing for Dana 44. This replaces Spicer part number 550759.

Product Features:
  • Spindle bearing
  • Fits Dana Spicer 44
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USA Standard Gear – Dana 44 Ring & Pinion Gear Set Replacement (Part No.36040)

Dana 44 Ring & Pinion Gear Set Replacement

from

$279.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • 8.50″ ring gear diameter
  • 26 spline pinion
  • 10 ring gear bolts
  • 3.73 ratio
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Driveworks – Oil Seal (Part No.S-471424)

Oil Seal

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$4.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Motive Gear – Axle Shaft (Part No.41677R)

Axle Shaft

from

$63.99
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:
  • GM ’73-87 SHAFT OUTER 1/2 & 3/4 TON 19SP-JEEP ’74-92 W/ DISK BRAKES
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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 – Pinion Install Kit For Dana 44 Differential (Part No.13020)

Pinion Install Kit For Dana 44 Differential

from

$264.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits standard rotation Dana Spicer 44 front
  • Included are pinion bearings and races, pinion seal, complete pinion shim kit, and marking compound with brush.
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Driveworks – Universal Joint (Part No.DW-369)

Universal Joint

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$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
  • Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves 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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Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement

from

$5.99
Product Features:
  • Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
  • 0.030″ thick
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Dorman – Spindle Washer – I.D. 1-5/8 In. O.D. 2-3/16 In. Thickness 1/8 In. (Part No.618-040.1)

Spindle Washer - I.D. 1-5/8 In. O.D. 2-3/16 In. Thickness 1/8 In.

from

$6.99
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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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

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$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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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$5.99
This differential pinion shaft lock bolt 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 differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to 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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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 564 aftermarket and OEM Drivetrains for your GMC K25, ranging from $0.91 to $1,497.99.

We offer parts from 20 brands trusted to make quality Drivetrains for your GMC K25. Before you buy, take some time to read through customer reviews. We currently have 28,471 reviews of GMC K25 Drivetrains from previous customers. Some of the top rated parts include Greaseable Super Strength Universal Joint with 3.8 stars and Greaseable Super Strength Universal Joint with 4.4 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 20 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 564 Drivetrains for the GMC K25, the most popular in our inventory are:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Housing Cover Gaskets
Universal Joint
from $15.99
(52)
Universal Joint
U-Joints

What are the top-rated GMC K25 Drivetrains?

Top-rated Drivetrains for your GMC K25 based on customer reviews/ratings are:
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”
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”