1981 Chevrolet C20 Differentials

Essential 1981 Chevrolet C20 Differentials

Richmond Gear – RngPnnInstlKt (Part No.83-1018-M)

RngPnnInstlKt

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$224.99
RngPnnInstlKt

Motive Gear – Pinion Seal (Part No.3896)

Pinion Seal

from

$15.99
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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Yukon Gear – Dura Grip Positraction For 10.5" GM 14 Bolt Truck, 4.10 & Down (Part No.26030)

Dura Grip Positraction For 10.5" GM 14 Bolt Truck, 4.10 & Down

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$1110.00
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 GM 10.5″ 14 bolt truck
  • 4.10 ratio and down only
  • 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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Motive Gear – Differential Crush Sleeve (Part No.3977355)

Differential Crush Sleeve

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$11.99


Product Features:
  • CRUSH SLEEVE 14 BOLT 10.5 3116
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Yukon Gear – 9.5" GM Cover Gasket (Part No.23023)

9.5" GM Cover Gasket

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$13.99
9.5″ GM cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 9.5″
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Pro-King – Differential Internal Nest Kit (Part No.743B717)

Differential Internal Nest Kit

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$221.99
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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FAG US – CUP (Part No.M802011)

CUP

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$15.29
CUP

Motive Gear – Differential Carrier Gear Kit (Part No.GM14BI)

Differential Carrier Gear Kit

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$266.99


Product Features:
  • GM10.5″ INTERNAL KIT (OPEN) 30 SPL
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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

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$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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Yukon Gear – Steel Spool For GM 14 Bolt Truck With 30 Spline Axles, 4.10 & Down (Part No.32048)

Steel Spool For GM 14 Bolt Truck With 30 Spline Axles, 4.10 & Down

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$539.99
Yukon Performance steel spool for GM 14T with 30 spline axles. fits 4.10 and down. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 10.5″ 14 bolt truck with 30 spline axles
  • 4.10 and down ratio only or 4.56 and up thick gears
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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National – Bearings (Part No.HM803110)

Bearings

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$22.99
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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Yukon Gear – Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5" (Part No.16112)

Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5"

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$304.99
Yukon 1480 Lifetime Series U/Joint. 4.188″ snap ring span, 1.375″ cap diameter. Outside snap ring.

Product Features:
  • Clutch kit
  • Fits GM 10.5″ 14 bolt truck with Eaton positraction
  • Carbon fiber clutches
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Yukon Gear – Chrome Cover For 10.5" GM 14 Bolt Truck (Part No.32013)

Chrome Cover For 10.5" GM 14 Bolt Truck

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$59.99
Chrome cover for GM 14T.

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Chrome
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Yukon Gear – Standard Open And Gov-Loc Cross Pin For 9.5" GM (Part No.33402)

Standard Open And Gov-Loc Cross Pin For 9.5" GM

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$32.99
Standard open and Gov-Loc cross pin for 9.5″ GM.

Product Features:
  • Cross pin shaft
  • Fits GM 9.5″
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SKF – Wheel Bearing (Part No.K8000205983SKF)

Wheel Bearing

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$60.23
SKF is a supplier of original equipment wheel bearings, hubs and seals to most of the world’s leading automakers. Engineered and manufactured to the highest quality standards, SKF wheel bearings greatly reduce friction and increase load-carrying capabilities. With an ability to boost reliability under heavy loads and misaligned conditions, SKF wheel bearings offer an ideal solution for many wheel end applications.

Product Features:
  • Precision bearing pre-load and correct application of advanced manufacturing techniques such as orbital rolling
  • 100% tested to the actual OE specifications per part number for fit, form and function
  • High quality steel and surface finishes
  • Proper implementation of heat treatment
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Pro-King – Differential Pinion Shim Kit (Part No.743B200)

Differential Pinion Shim Kit

from

$13.99
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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Motive Gear – Differential Gear Install Kit (Part No.GM10.5IK)

Differential Gear Install Kit

from

$54.99


Product Features:
  • MINI INST KIT GM 14BLT 10.5″ 4.10DN 1972-88
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

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$689.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

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$35.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Yukon Gear – Standard Open Spider Gear Kit For 33 Spline GM 9.25" IFS And GM 9.5" Axles (Part No.16060)

Standard Open Spider Gear Kit For 33 Spline GM 9.25" IFS And GM 9.5" Axles

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$317.99
Yukon standard open spider gear kit for 9.5″ GM rear and ’06 and earlier GM 9.25″ IFS with 33 spline axles. 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
  • Fits GM 9.5″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles (Part No.28015)

Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles

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$859.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Installs into standard open carrier
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – 10.5" GM 14 Bolt Truck Pinion Nut (Part No.33148)

10.5" GM 14 Bolt Truck Pinion Nut

from

$48.99
10.5″ GM 14 bolt truck pinion nut. 1 1/2″ socket, 15/16″ x 16 thread.

Product Features:
  • Pinion nut for GM 10.5″ 14 bolt truck
  • 15/16″ x 16 thread
  • 1.5″ socket
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Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

DiffrlPinSupportBolt

from

$5.99
DiffrlPinSupportBolt

Dorman – Rear Axle Shaft, Left or Right (Part No.630-137)

Rear Axle Shaft, Left or Right

from

$304.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models.
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications.
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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Yukon Gear – 14T Pinion Gear Thrust Washer (Part No.33384)

14T Pinion Gear Thrust Washer

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$8.99
14T pinion gear Thrust washer.

Product Features:
  • Pinion gear thrust washer
  • Fits GM 10.5″ 14 bolt truck
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Motive Gear – Differential Ring Gear Bolt (Part No.14012703)

Differential 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 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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Yukon Gear – Pinion Install Kit For ’97 & Down GM 9.5" Differential (Part No.13075)

Pinion Install Kit For '97 & Down GM 9.5" Differential

from

$319.99
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, 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 1997 and down GM 9.5″
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Powertrax – Grip LS Traction System (Part No.LS231230)

Grip LS Traction System

from

$480.99
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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1981 Chevrolet C20 Differentials

Maybe you’re in the middle of a full rebuild of that 1981 Chevrolet C20. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 203 different Differentials in our inventory ranging from $0.91 to $1,566.99. That means you can find the exact parts or products you need to keep that 1981 Chevrolet C20 running smoothly.

Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 1981 Chevrolet C20. Valvoline, Driveworks, and FELPRO 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 1981 Chevrolet C20, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,448 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 5.0 stars and Bearings with 3.9 stars.

So if you’re in the market for aftermarket Differentials to keep your 1981 Chevrolet C20 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 1981 Chevrolet C20 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Chevrolet C20 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 C20 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Mr. Gasket Differentials

We carry Mr. Gasket parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1981 Chevrolet C20, our most popular Mr. Gasket Differentials include:
Differential Gasket
from $18.09
(1)
Differential Gasket
Rear Differential Cover Gaskets

Top 1981 Chevrolet C20 Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1981 Chevrolet C20. Popular Felpro parts include:
Differential Cover Gasket
from $7.99
(20)
Differential Cover Gasket
Rear Differential Cover Gaskets
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
Rear Differential Cover Gaskets

FAQs for 1981 Chevrolet C20 Differentials

What are the most purchased Differentials for the 1981 Chevrolet C20?

Out of 203 Differentials for the 1981 Chevrolet C20, the most popular in our inventory are:
DEX/MERC Automatic Transmission Fluid, 1 Gallon
from $35.99
(17)
DEX/MERC Automatic Transmission Fluid, 1 Gallon
Differential Oil
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Front Differential Pinion Bearings

What are the top-rated 1981 Chevrolet C20 Differentials?

Top-rated Differentials for your 1981 Chevrolet C20 based on customer reviews/ratings are:
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
“Great spark plugs.”
Bearings
from $23.99
(7)
Bearings
“Good price”
Cylindrical Bearing
from $31.99
(4)
Cylindrical Bearing
“excellent product”