GMC K15 Differentials

Name: Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft
Brand: USA Standard Gear
SKU: 17041
Price: 649.99 USD

If you’re in search of GMC K15 Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 449 Differentials from top brands with prices ranging from $0.91 to $1,969.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your GMC K15. Of the 15 OEM and aftermarket parts brands we carry, some of the most popular are Valvoline, FELPRO, and Yukon Gear.

And don’t forget to read customer reviews across all Differentials categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Differentials have to cost top dollar, and we prove it. Browse our top GMC K15 Differentials below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC K15 Differentials

from

$649.99

The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:

Fits GM 18.5″ with 30 spline axles
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case

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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$129.99

Product Features:

Fits standard rotation Dana Spicer 44
Steel

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$7.29

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$1.49

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.

from

$221.99

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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$6.49

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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$5.49

Product Features:

CRUSH SLV 8 7/8 12BLT TRK

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$5.99

Product Features:

Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
0.030″ thick

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$67.99

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:

Powr Lok button kit
Fits Dana Spicer 30, 44 and Chrysler 8.75″

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$65.99

Product Features:

MINI INSTALL KIT GM 8.5 REAR

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$12.99

12T cover gasket.

Product Features:

Cover gasket
Fits GM 12 bolt truck

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$9.99

Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:

Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
7/8″ x 14 thread
1 1/4″ socket

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$173.99

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 GM 8.5″ front
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

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$38.49

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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$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.

from

$49.99

Product Features:

USA Standard Gear heavy-duty cross pin shaft
Fits GM 12 bolt car and truck and 9.5″ Toyota Landcruiser
Works with Spartan Locker or standard open spider gears

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$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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$5.99

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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$10.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$26.99

Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:

Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
Left hand thread

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$399.99

RngPnn

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$293.99

Product Features:

GM 12BL 8.875 R/P 3.08 MG

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$177.99

Product Features:

Clutch kit
Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
Smooth design

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$36.99

Product Features:

Belleville plate, splined
Fits Dana Spicer 44 Powr Lok

GMC K15 Differentials List

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Differential Lock Assemblies

Differential Air System Seal Housings

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Pinion Gear Washers

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Differential Clutch Pack Clips

Differential Lock Washers

Differential Lock Thrust Blocks

Differentials Brands You Can Trust For Your GMC K15

15 trusted brands of Differentials line our shelves, ready to help keep your GMC K15 running smooth. Below are some of the most popular brands and their top Differentials offerings:

Popular Valvoline Differentials

Valvoline products for the GMC K15 span several categories. Some of the highest-rated Valvoline Differentials that will fit your GMC K15 are:

from $14.49

(2)

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

Differential Oil

from $35.99

(17)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

Differential Oil

Top GMC K15 Differentials from Felpro

Your GMC K15 will be purring again thanks to Felpro brand Differentials available for online order or in-store pick up. Popular Felpro parts include:

from $9.99

(195)

Differential Cover Gasket

Rear Differential Cover Gaskets

from $6.49

(10)

Axle Housing Cover Gasket

Rear Housing Cover Gaskets

from $7.99

(3)

DIFFERENTIAL GASKET

Rear Housing Cover Gaskets

Most Purchased GMC K15 Differentials from Valvoline

When you buy the most frequently purchased Valvoline brand Differentials, you can be confident it will be the right part for your GMC K15. Here are the Valvoline Differentials Advanced Auto customers buy the most:

from $35.99

(17)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

Differential Oil

from $14.49

(2)

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

Differential Oil

from $9.99

(195)

Differential Cover Gasket

Rear Differential Cover Gaskets

FAQs for GMC K15 Differentials

What are the most purchased Differentials for the GMC K15?

Out of 449 Differentials for the GMC K15, the most popular in our inventory are:

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

from $23.99

(7)

Bearings

Front Differential Pinion Bearings

from $5.99

(11)

Differential Shaft Lock Bolt

Differential Pinion Shaft Lock Bolts

What are the top-rated GMC K15 Differentials?

Top-rated Differentials for your GMC K15 based on customer reviews/ratings are:

from $350.99

(7)

Differential Ring And Pinion

“Great spark plugs.”

from $241.99

(4)

Differential Ring and Pinion

“Perfect match and easy install”

from $23.29

(4)

Multi Purpose Seal

“Works well fit right in. Love national seals”

GMC K15 Differentials

Your One-Stop Shop For Trusted GMC K15 Differentials

Essential GMC K15 Differentials

USA Standard Gear – Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17041)

Felpro – DIFFERENTIAL GASKET (Part No.RDS 55075)

Yukon Gear – Steel Cover For Dana 44 Standard Rotation (Part No.32319)

Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Pro-King – Differential Ring Gear Bolt (Part No.742E935)

Dorman – Differential Pinion Yoke Assembly (Part No.697-553)

Felpro – Axle Housing Cover Gasket (Part No.RDS 6629)

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

Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Yukon Gear – Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

Yukon Gear – GM 12 Bolt Truck Cover Gasket (Part No.23015)

Yukon Gear – Pinion Nut (Part No.33152)

Yukon Gear – Pinion Install Kit For GM 8.5" Front Differential (Part No.13070)

National – Shaft Repair Sleeve (Part No.99155)

Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

USA Standard Gear – 12 Bolt GM Spartan Locker Cross Pin (Part No.17023)

National – Bearings (Part No.02820)

Pro-King – Differential Pinion Shim Kit (Part No.742G202)

Driveworks – Oil Seal (Part No.S-5778)

Yukon Gear – Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P (Part No.33234)

Richmond Gear – RngPnn (Part No.49-0019-1)

Motive Gear – Differential Ring and Pinion (Part No.GM12-308)

Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Smooth (Part No.16152)

Yukon Gear – Powr Lok Belleville Clutch Plate, Splined (Part No.16174)

GMC K15 Differentials List

Differentials Brands You Can Trust For Your GMC K15

Popular Valvoline Differentials

Top GMC K15 Differentials from Felpro

Most Purchased GMC K15 Differentials from Valvoline

FAQs for GMC K15 Differentials

What are the most purchased Differentials for the GMC K15?

What are the top-rated GMC K15 Differentials?

Find Your GMC K15 Differentials by Year

More Popular Parts for All Makes