2018 GMC Sierra 1500 Differentials

Essential 2018 GMC Sierra 1500 Differentials

USA Standard Gear – Master Overhaul Kit for the ’99-08 GM 8.6" Differential (Part No.37059)

Master Overhaul Kit for the '99-08 GM 8.6" Differential

from

$235.99
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.

Product Features:
  • Fits 1999-2008 GM 8.6″
  • 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, thread locker, marking compound with brush and gasket.
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Motive Gear – Differential Carrier Shim Kit (Part No.GM9.5SSK)

Differential Carrier Shim Kit

from

$21.99


Product Features:
  • KIT SHIM SIDE 9.5″ GM
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Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.49


Product Features:
  • KIT SHIM PINION
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Motive Gear – Ring Gear Bolt (Part No.14012703)

Ring Gear Bolt

from

$11.39
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 o
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Pro-King – Differential Case (Loaded) (Part No.742G715B)

Differential Case (Loaded)

from

$455.99
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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Powertrax – Grip LS Traction System (Part No.LS201030)

Grip LS Traction System

from

$503.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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Dorman – Differential Cover Assembly (Part No.697-727)

Differential Cover Assembly

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$69.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Motive Gear – Differential Crush Sleeve (Part No.1234726)

Differential Crush Sleeve

from

$4.29
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 o
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USA Standard Gear – Bearing Kit For ’09 & Up GM 8.6" (Part No.58013)

Bearing Kit For '09 & Up GM 8.6"

from

$249.99
This kit uses Koyo bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and br

Product Features:
  • Fits 2009 and up GM 8.6″
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Yukon Gear – Yoke For ’98 And Newer GM 9.5" With A 1350 U/Joint Size And Triple Lip Design (Part No.41070)

Yoke For '98 And Newer GM 9.5" With A 1350 U/Joint Size And Triple Lip Design

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$407.99
Yukon yoke for ’98 and newer GM 9.5″ with a 1350 U/joint size and triple lip design. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits 1998 and up GM 9.5″
  • 30 spline
  • 1350 u-joint size
  • Outside snap ring design
  • 3.625″ snap ring span
  • 1.188″ cap diameter
  • Strap style
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ACDelco – Differential Cover G (Part No.J7018826857ACD)

Differential Cover G

from

$43.48
Differential Cover G

Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

Differential Cover Gasket

from

$9.99
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 – 4 Wheel Drive Oil Seal (Part No.600-606)

4 Wheel Drive Oil Seal

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$34.99
This axle differential seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this axle differential seal is designed to match the fit and function of the original seal on specified vehicles
  • Restores functionality – this seal is made to fit and fully restore part functionality after the original seal fails
  • 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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Motive Gear – Differential Gear Install Kit (Part No.GM8.2IKFL)

Differential Gear Install Kit

from

$38.49


Product Features:
  • MINI INSTALL KIT GM8.2IFS 98 & ON
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Motive Gear – Differential Pinion Seal (Part No.26064029)

Differential Pinion Seal

from

$38.99
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 o
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Dorman – 4WD Differential Housing – Front (Part No.600-211)

4WD Differential Housing - Front

from

$472.99
This differential housing is a direct replacement for an original unit that has failed due to impact, normal wear, insufficient lubrication, or damaged internal components. It is made of durable materials for reliable service..

Product Features:
  • Ideal solution – this differential housing is a direct replacement for an original unit that has failed due to impact, normal wear, insufficient lubrication or damaged internal components.
  • Exact fit – matches the fit, function and performance of the original differential housing on specified vehicles
  • Durable construction – the housing and its internal components are 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 – Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS (Part No.33342)

Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS

from

$18.99
Product Features:
  • Cross pin bolt
  • Fits GM 9.5″ and 9.25″ IFS
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MOOG – Differential Carrier Bushing (Part No.K201736)

Differential Carrier Bushing

from

$42.99
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:
  • Easy to install
  • Returns like-new steering
  • Long-lasting performance
  • Construction and design validated by MOOG engineers
  • Incorporates proven design and engineering features
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Valvoline – VAL EP ATF 6/1 QT (Part No.899179)

VAL EP ATF 6/1 QT

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$14.99
VAL EP ATF 6/1 QT

USA Standard Gear – Ring & Pinion Gear Set For GM 8.5" In A 3.08 Ratio (Part No.36211)

Ring & Pinion Gear Set For GM 8.5" In A 3.08 Ratio

from

$313.99
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 GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 3.08 ratio
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USA Standard Gear – Axle For ’99-’04 2WD & 4WD GM Truck With Disc Brakes (Part No.35040)

Axle For '99-'04 2WD & 4WD GM Truck With Disc Brakes

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$187.99
USA Standard axle for ’99-’04 2WD & 4WD GM truck w/Disc brakes. 33 3/4″ long, 30 spline.

Product Features:
  • Fits 1999-2004 GM 8.6″ truck rear ford 2 wheel drive and 4 wheel drive
  • 30 spline
  • 33 3/4″ long
  • Disc brake applications only
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Dorman – Suspension Differential Mount Bushing (Part No.523-071)

Suspension Differential Mount Bushing

from

$67.99
This differential mount bushing is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.

Product Features:
  • Direct replacement – fits and performs like the original equipment on specific vehicles
  • Reliable fit – precision-engineered to match the design and dimensions of original components
  • Durable construction – manufactured to strict standards using sturdy, safe materials
  • Rigorously tested – thorough quality control measures ensure longevity
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Pro-King – Differential Bearing Cup (Part No.742G251)

Differential Bearing Cup

from

$5.79
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 – Differential (Part No.26049)

Differential

from

$977.99
Differential

Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

from

$8.49
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 o
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ATP – Remanufactured Front Differential Assembly (Part No.111502)

Remanufactured Front Differential Assembly

from

$3099.99
Brand new units are no longer available. ATP’s fully remanufactured differentials offer the best alternative to bench rebuilding or buying used. They are carefully inspected and totally reconditioned to meet original specifications and include new bearings and seals. Our units are ready to install, just add oil.

Product Features:
  • Ready to install, just add oil
  • Totally reconditioned
  • New bearings
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MOOG – Differential Support Bracket (Part No.RK643170)

Differential Support Bracket

from

$85.99
MOOG premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection.

Product Features:
  • EASY TO INSTALL — Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box
  • HIGHLY PRECISE ENGINEERING — Optimized bushings for quiet operation and resistance to wear, salt, road grime and oils
  • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
  • Construction and design validated by MOOG engineers
  • Incorporates proven design and engineering features
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Spartan – Drive Axle Assembly; GM 1500 Posi Axle GU6 (Part No.RAXP2240C)

Drive Axle Assembly; GM 1500 Posi Axle GU6

from

$1809.99
Remanufactured Rear Axle assemblies are completely disassembled, thoroughly cleaned and reassembled using new wear parts. Units are assembled, sealed & include backing plates, axle shafts & fluid.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
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2018 GMC Sierra 1500 Differentials

Maybe you’re in the middle of a full rebuild of that 2018 GMC Sierra 1500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 124 different Differentials in our inventory ranging from $2.49 to $3,014.99. That means you can find the exact parts or products you need to keep that 2018 GMC Sierra 1500 running smoothly.

Differentials are only as good as their brand. We stock 17 different brands to make sure you have plenty of trusted parts to choose from for your 2018 GMC Sierra 1500. Motive Gear, Yukon Gear, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 2018 GMC Sierra 1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 269 reviews in this category, some of the top rated parts include Multi Purpose Seal with 4.5 stars and Differential Ring and Pinion with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 2018 GMC Sierra 1500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 2018 GMC Sierra 1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2018 GMC Sierra 1500 demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 1500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Felpro Differentials

We carry Felpro parts in our stock across Rear Housing Cover Gaskets categories, plus more. For a 2018 GMC Sierra 1500, our most popular Felpro Differentials include:
DIFFERENTIAL GASKET
from $51.99
(5)
DIFFERENTIAL GASKET
Rear Housing Cover Gaskets

Top 2018 GMC Sierra 1500 Differentials from Motive Gear

Motive Gear products are another trusted brand when it comes to Differentials for your 2018 GMC Sierra 1500. Popular Motive Gear parts include:
Differential Ring and Pinion
from $241.99
(4)
Differential Ring and Pinion
Differential Ring and Pinions
Differential Carrier Shim Kit
from $8.49
(3)
Differential Carrier Shim Kit
Differential Carrier Shim Kits
Differential Carrier Gear Kit
from $176.99
(2)
Differential Carrier Gear Kit
Differential Carrier Shim Kits

FAQs for 2018 GMC Sierra 1500 Differentials

What are the most purchased Differentials for the 2018 GMC Sierra 1500?

Out of 124 Differentials for the 2018 GMC Sierra 1500, the most popular in our inventory are:
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Ring Gear Bolt
from $2.49
This product is not rated
Ring Gear Bolt
Differential Ring Gear Bolts
Bearings
from $10.49
(2)
Bearings
Differential Bearings

What are the top-rated 2018 GMC Sierra 1500 Differentials?

Top-rated Differentials for your 2018 GMC Sierra 1500 based on customer reviews/ratings are:
Multi Purpose Seal
from $34.99
(8)
Multi Purpose Seal
“Nicely made. Heavy duty-just like factory parts.”
Differential Ring and Pinion
from $235.99
(2)
Differential Ring and Pinion
“Fit Well, Delivered Fast”
Differential Pinion Shim Kit
from $7.49
(1)
Differential Pinion Shim Kit
“good product”