GMC K15 Differentials

Your One-Stop Shop For Trusted GMC K15 Differentials

If you’re in search of GMC K15 Differentials aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 386 Differentials from top brands with prices ranging from $0.91 to $1,302.99.

Beyond great prices, we stock trusted brands manufacturing all types of Differentials for your GMC K15.

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.

Please Select your Vehicle to See Exact Fit Parts

Essential GMC K15 Differentials

Yukon Gear – Yukon Gear Pinion Setup Bearing for Popular GM, Ford, Dana, & Chrysler Differentials, 56045 (Part No.56045)

Yukon Gear Pinion Setup Bearing for Popular GM, Ford, Dana, & Chrysler Differentials, 56045

from

$153.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Motive Gear – Motive Gear Differential Ring and Pinion, GM10-308A (Part No.GM10-308A)

Motive Gear Differential Ring and Pinion, GM10-308A

from

$179.99
Motive Gear Differential Ring and Pinion, GM10-308A.
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National – National Bearing Race, 25523 (Part No.25523)

National Bearing Race, 25523

from

$20.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
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Yukon Gear – Yukon Gear Seal Housing for Dana 44, Zip Locker, with O-Rings, 34013 (Part No.34013)

Yukon Gear Seal Housing for Dana 44, Zip Locker, with O-Rings, 34013

from

$83.99
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 select ability.
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Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55075 (Part No.RDS 55075)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 55075

from

$9.49
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.
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Yukon Gear – Yukon Gear Bearing Install Kit for GM 12 Bolt Truck Differential, 11055 (Part No.11055)

Yukon Gear Bearing Install Kit for GM 12 Bolt Truck Differential, 11055

from

$239.99
Yukon Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Master Overhaul Kit. This kit uses Timken bearings and races along with all high-quality small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to properly install your ring and pinion gear set.
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Motive Gear – Motive Gear Differential Crush Sleeve, 3954482 (Part No.3954482)

Motive Gear Differential Crush Sleeve, 3954482

from

$5.99
Motive Gear Differential Crush Sleeve, 3954482.
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Dorman – Help – Dorman – Help Differential Shaft Lock Bolt, 81048 (Part No.81048)

Dorman - Help Differential Shaft Lock Bolt, 81048

from

$6.79
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.
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Yukon Gear – Yukon Gear Zip Locker Switch, 34015 (Part No.34015)

Yukon Gear Zip Locker Switch, 34015

from

$16.99
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 select ability.
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Yukon Gear – Yukon Gear Pinion Nut washer, 33167 (Part No.33167)

Yukon Gear Pinion Nut washer, 33167

from

$14.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Dura Grip Spider Gear Set for Dana 44 Differential with 30 Spline Axles, 16168 (Part No.16168)

Yukon Gear Dura Grip Spider Gear Set for Dana 44 Differential with 30 Spline Axles, 16168

from

$399.99
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
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National – National Tapered Roller Bearing Cone, 31594 (Part No.31594)

National Tapered Roller Bearing Cone, 31594

from

$34.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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Pro-King – Pro-King Differential Cross Shaft, 742G673 (Part No.742G673)

Pro-King Differential Cross Shaft, 742G673

from

$28.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Yukon Gear – "Yukon Gear Ltd. Slip Clutch Guide, Chry 9.25/Dana 44/50/GM 12 Bolt/8.2""/8.5""/8.6""/Nis M226, 33352" (Part No.33352)

"Yukon Gear Ltd. Slip Clutch Guide, Chry 9.25/Dana 44/50/GM 12 Bolt/8.2""/8.5""/8.6""/Nis M226, 33352"

from

$8.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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National – National Bearing Race, 02820 (Part No.02820)

National Bearing Race, 02820

from

$13.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
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Yukon Gear – Yukon Gear Bearing Race Driver for Dana 25, 27, 30, 44, 50, and 53 Differentials, 56003 (Part No.56003)

Yukon Gear Bearing Race Driver for Dana 25, 27, 30, 44, 50, and 53 Differentials, 56003

from

$215.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Yukon Gear – "Yukon Gear Dana 44, Ford 8"" / 9"", and Model 20 Side Gear Thrust Washer Replacement, 33283" (Part No.33283)

"Yukon Gear Dana 44, Ford 8"" / 9"", and Model 20 Side Gear Thrust Washer Replacement, 33283"

from

$5.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.
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Yukon Gear – Yukon Gear Dana 44 Carrier Installation Kit Replacement, 57003 (Part No.57003)

Yukon Gear Dana 44 Carrier Installation Kit Replacement, 57003

from

$128.99
Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.
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USA Standard Gear – USA Standard Gear Differential Rebuild Kit, 37008 (Part No.37008)

USA Standard Gear Differential Rebuild Kit, 37008

from

$289.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.
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Yukon Gear – "Yukon Gear Mini Spool for GM 8.5"" with 28 Spline Axles, 32232" (Part No.32232)

"Yukon Gear Mini Spool for GM 8.5"" with 28 Spline Axles, 32232"

from

$165.99
Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.
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Yukon Gear – "Yukon Gear 14 Plate Carbon Clutches, GM 8.2""/GM 8.5""/12T/12P/Ford 8.8""/Cast Iron Vette, 16041" (Part No.16041)

"Yukon Gear 14 Plate Carbon Clutches, GM 8.2""/GM 8.5""/12T/12P/Ford 8.8""/Cast Iron Vette, 16041"

from

$404.99
Yukon Gear & Axle clutch kits fit popular GM diffs outfitted with a Yukon Dura Grip positraction unit feature 14 advanced carbon clutch plates, ensuring total traction and long-lasting performance.
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Yukon Gear – "Yukon Gear 8.5"" GM Extra HD Standard Open Case (Uses Larger Bearings), 20084" (Part No.20084)

"Yukon Gear 8.5"" GM Extra HD Standard Open Case (Uses Larger Bearings), 20084"

from

$232.99
“8.5”” GM EXTRA HD standard Open case (uses larger bearings).”
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Motive Gear – Motive Gear Differential Pinion Nut, 3752901 (Part No.3752901)

Motive Gear Differential Pinion Nut, 3752901

from

$7.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Motive Gear – Motive Gear Differential Carrier Shim Kit, 1115 (Part No.1115)

Motive Gear Differential Carrier Shim Kit, 1115

from

$18.99
Motive Gear Differential Carrier Shim Kit, 1115.
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Yukon Gear – "Yukon Gear Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75"" Chrysler & 55P, 33234" (Part No.33234)

"Yukon Gear Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75"" Chrysler & 55P, 33234"

from

$26.99
“Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″” Chrysler & 55P.”
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GMC K15 Differentials List

Differentials Brands You Can Trust For Your GMC K15

17 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:

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:
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
from $11.99
(195)
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
Rear Differential Cover Gaskets

Most Purchased GMC K15 Differentials from Felpro

When you buy the most frequently purchased Felpro brand Differentials, you can be confident it will be the right part for your GMC K15. Here are the Felpro Differentials Advanced Auto customers buy the most:
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
from $11.99
(195)
Felpro Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, RDS 55028-1
Rear Differential Cover Gaskets
Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002
from $44.99
This product is not rated
Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002
Differential Oil
Motive Gear Differential Ring and Pinion, GM10-373
from $265.99
(1)
Motive Gear Differential Ring and Pinion, GM10-373
Differential Ring and Pinions

FAQs for GMC K15 Differentials

What are the most purchased Differentials for the GMC K15?

Out of 386 Differentials for the GMC K15, the most popular in our inventory are:
Dorman - Help Differential Shaft Lock Bolt, 81048
from $6.79
(11)
Dorman – Help Differential Shaft Lock Bolt, 81048
Differential Pinion Shaft Lock Bolts
Motive Gear Ring Gear Bolt, 14066913
from $2.99
This product is not rated
Motive Gear Ring Gear Bolt, 14066913
Differential Ring Gear Bolts
Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002
from $44.99
This product is not rated
Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002
Differential Oil

What are the top-rated GMC K15 Differentials?

Top-rated Differentials for your GMC K15 based on customer reviews/ratings are:
Richmond Gear Differential Ring And Pinion, 49-0034-1
from $342.99
(23)
Richmond Gear Differential Ring And Pinion, 49-0034-1
“So far so good.”
National Multi-Purpose Seal, 8622
from $22.79
(20)
National Multi-Purpose Seal, 8622
“Perfect replacement for my vintage Pontiacs. I recommend this particular seal to al of my customers.”
Motive Gear Differential Master Bearing Kit - Koyo, R10RMK
from $158.99
(5)
Motive Gear Differential Master Bearing Kit – Koyo, R10RMK
“was delivered as promised and on time”