1981 Chevrolet K5 Blazer Differentials

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Keep Your 1981 Chevrolet K5 Blazer in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1981 Chevrolet K5 Blazer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Rear Differential Cover Gaskets, and Rear Housing Cover Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Richmond Gear, National, and Felpro. For example, Richmond Gear Differentials start at just $350.99 with an average 4.5 star rating. National and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 3,650 reviews and a solid 4 star average, you can shop with confidence knowing other Chevrolet K5 Blazer owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 Chevrolet K5 Blazer Differential at Advance Auto Parts is around $233.88, with a range that starts at $2.59 and goes up to $1,969.99. With 307 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and Differential Shaft Lock Bolt start at just $6.79 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1981 Chevrolet K5 Blazer in peak condition, inside and out.

Essential 1981 Chevrolet K5 Blazer Differentials

Pro-King – Differential Cross Shaft (Part No.742G673)

Differential Cross Shaft

from

$28.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
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Mr. Gasket – Differential Cover Kit (Part No.9895)

Differential Cover Kit

from

$85.99
The Mr. Gasket chrome plated rear end cover is made from heavy-gauge steel, and comes complete with bolts and gaskets.

Product Features:
  • Chrome plated steel for looks
  • Includes bolts and gasket
See More

Yukon Gear – Dana 44 Cover Gasket Replacement (Part No.23006)

Dana 44 Cover Gasket Replacement

from

$12.99
Product Features:
  • Cover gasket
  • Fits Dana Spicer 44
See More

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

12 Bolt GM Spartan Locker Cross Pin

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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Spicer – Differential End Yoke (Part No.2-4-8091X)

Differential End Yoke

from

$104.99
Demand genuine Spicer. Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.

Product Features:
  • Genuine OE quality. Tested and proven.
  • Built to meet OE standards set by Dana
  • Tested and validated to rigorous OE specifications
  • Latest production upgrades ensure genuine Spicer parts are as good or better than the OE parts they replace
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Motive Gear – Differential Ring and Pinion (Part No.GM10-411)

Differential Ring and Pinion

from

$301.99


Product Features:
  • GM 10BL 8.5 R/P 4.11 MG FRT/REAR
See More

Richmond Gear – Differential Cross Shaft (Part No.CSPD44)

Differential Cross Shaft

from

$26.99
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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Pro-King – Differential Cover Gasket (Part No.742G303A)

Differential Cover Gasket

from

$31.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Yukon Gear – Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles (Part No.55010)

Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles

from

$15.99
Product Features:
  • Carrier shim kit for Dana Spicer 30 with 30 spline axles
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Pro-King – Differential Crush Sleeve (Part No.741A034)

Differential Crush Sleeve

from

$3.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Yukon Gear – Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM (Part No.30219)

Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM

from

$83.99
Replacement front axle inner seal redi-sleeve for Dana 44 & 8.5″ GM.Yukon Mighty seal.

Product Features:
  • Axle Redi-sleeve
  • Fits Dana Spicer 44
See More

Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI)

Differential Carrier Gear Kit

from

$111.99


Product Features:
  • GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)
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Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$7.99
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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Yukon Gear – Positraction Clutch Guide (Part No.33352)

Positraction Clutch Guide

from

$8.99
Positraction clutch guide.

Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
  • Compatible with Dura Grip positractions only
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Yukon Gear – Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles (Part No.16005)

Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles

from

$503.99
Yukon Power Lok positraction replacement internals for Dana 44 and Chysler 8.75″ with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
  • Includes two side gears, four pinion gears, cross pin shafts and side gear thrust washers.
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Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

from

$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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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

from

$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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Yukon Gear – 14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16041)

14 Plate Carbon Clutches For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$404.99
Product Features:
  • Clutch kit
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction
  • 14 piece kit
  • Carbon fiber clutches
See More

Yukon Gear – 3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (Part No.33347)

3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More

from

$4.99
3/8″ ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.

Product Features:
  • Ring gear bolt washer for GM 12 bolt car and truck, 1955-1964 passenger car, 1963-1979 Corvette and 8.2″ Buick, Oldsmobile and Pontiac
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Motive Gear – Differential Ring and Pinion (Part No.D44-589)

Differential Ring and Pinion

from

$223.99


Product Features:
  • DANA 44 R&P 5:89 RATIO STD CUT
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

Bearing - TRB (Tapered Roller Bearing)

from

$34.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

National – Shaft Repair Sleeve (Part No.99225)

Shaft Repair Sleeve

from

$31.99
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:
  • 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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Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Differential Pinion Shim Kit

from

$7.99
High-quality Differential Component Shim

Product Features:
  • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
See More

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55075)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

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.

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
See More

Pro-King – Differential Cover Plug (Part No.742G484)

Differential Cover Plug

from

$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Motive Gear – Differential Mini Spool (Part No.MS10-28)

Differential Mini Spool

from

$98.99


Product Features:
  • MINI SPOOL GM 10 BOLT 8 1/2″ 28 SPLINE
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

from

$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
See More

Most Popular Differential Oil for 1981 Chevrolet K5 Blazers

Enhance your 1981 Chevrolet K5 Blazer with one of the 6 Differential Oil we have in stock, starting at just $35.99.

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • 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 – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

from

$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

from

$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
See More

Best-Selling 1981 Chevrolet K5 Blazer Rear Differential Cover Gaskets

Upgrade your K5 Blazer with one of our 6 best-selling Rear Differential Cover Gaskets, earning an average 5 stars rating across 4 reviews.

Felpro – Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket (Part No.RDS 13391)

Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket

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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Mr. Gasket – Differential Gasket (Part No.84B)

Differential Gasket

from

$21.49
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
See More

Pro-King – Differential Cover Gasket (Part No.742G303A)

Differential Cover Gasket

from

$31.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

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

GM 12 Bolt Truck Cover Gasket

from

$12.99
12T cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 12 bolt truck
See More

Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

8.2" & 8.5" Rear Cover Gasket

from

$10.99
8.2″ & 8.5″ rear cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 8.2″, 8.5″ and 8.6″
See More

Pro-King – Differential Cover Gasket (Part No.742G303)

Differential Cover Gasket

from

$3.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Top-Quality Rear Housing Cover Gaskets for 1981 Chevrolet K5 Blazers

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for Chevrolet K5 Blazers and enjoy top-notch performance from $7.99.

Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

from

$10.99
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.

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
See More

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$7.99
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.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Top Picks for 1981 Chevrolet K5 Blazer Differential Bearings

Invest in one of our 5 durable Differential Bearings for your 1981 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

National – Bearing Race (Part No.JLM104910)

Bearing Race

from

$10.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

$10.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Multi-Purpose Bearing (Part No.A-36)

Multi-Purpose Bearing

from

$27.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

Bearing - TRB (Tapered Roller Bearing)

from

$34.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

National – Bearing Race (Part No.25523)

Bearing Race

from

$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Top-Rated Differential Covers for 1981 Chevrolet K5 Blazers

Make a smart move for your 1981 Chevrolet K5 Blazer with products all priced from $44.99 to $296.99.

Mr. Gasket – Differential Cover Kit (Part No.9891)

Differential Cover Kit

from

$77.99
Add some bling to the underside of your car with Mr. Gasket’s chrome differential cover. This chrome-plated steel cover is made to fit GM 10-bolt with 8 1/2 in ring gear. Is a complete kit with a gasket and bolts.

Product Features:
  • Made Of Chrome Plated Steel
  • Fits GM 8.5-Inch 10 Bolt
  • Complete Kit With Gasket And Bolts
See More

Mr. Gasket – Differential Cover Kit (Part No.9895)

Differential Cover Kit

from

$85.99
The Mr. Gasket chrome plated rear end cover is made from heavy-gauge steel, and comes complete with bolts and gaskets.

Product Features:
  • Chrome plated steel for looks
  • Includes bolts and gasket
See More

Yukon Gear – Chrome Cover For 8.6", 8.5" And 8.2" GM Rear (Part No.32017)

Chrome Cover For 8.6", 8.5" And 8.2" GM Rear

from

$74.99
Chrome cover for 8.6″, 8.5″ and 8.2″ GM rear.

Product Features:
  • Fits GM 8.2″, 8.5″ and 8.6″
  • Chrome
See More

Yukon Gear – Chrome Cover For 8.5" GM Front (Part No.32016)

Chrome Cover For 8.5" GM Front

from

$44.99
Chrome cover for 8.5″ GM front.

Product Features:
  • Fits GM 8.5″ front
  • Chrome
See More

Yukon Gear – Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear (Part No.32030)

Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear

from

$255.99
Polished aluminum cover for 8.6″, 8.2″ and 8.5″ GM rear.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • Finned polished aluminum
See More

Yukon Gear – Steel Cover For GM 8.2" & 8.5" Rear (Part No.32332)

Steel Cover For GM 8.2" & 8.5" Rear

from

$123.99
Product Features:
  • Fits GM 8.2″, 8.5″ and 8.6″
  • Steel
See More

Yukon Gear – Chrome Cover For GM 12 Bolt Truck (Part No.32012)

Chrome Cover For GM 12 Bolt Truck

from

$64.99
Chrome cover for GM 12T.

Product Features:
  • Fits GM 12 bolt truck
  • Chrome
See More

Yukon Gear – Polished Aluminum Cover For 8.5" GM (Part No.32029)

Polished Aluminum Cover For 8.5" GM

from

$296.99
Polished aluminum cover for 8.5″ GM.

Product Features:
  • Fits GM 8.5″ front
  • Finned polished aluminum
See More

Yukon Gear – Polished Aluminum Cover For GM 12 Bolt Truck (Part No.32027)

Polished Aluminum Cover For GM 12 Bolt Truck

from

$269.99
Polished aluminum cover for 12T GM.

Product Features:
  • Fits GM 12 bolt truck
  • Finned polished aluminum
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Top-Rated Differential Brands For Your 1981 Chevrolet K5 Blazer

When it comes to finding the perfect Differential for your 1981 Chevrolet K5 Blazer, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including Felpro, Richmond Gear, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1981 Chevrolet K5 Blazer, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1981 Chevrolet K5 Blazer Differentials

If you’re looking for a top-quality Differential for your 1981 Chevrolet K5 Blazer, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 3 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $9.49, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1981 Chevrolet K5 Blazer come highly rated, with over 208 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket
from $9.49
(3)
Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket
“felpro gaskets are great”
Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
from $10.99
(195)
Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
“Worked as described”

Top-Quality Richmond Gear 1981 Chevrolet K5 Blazer Differentials

For those in search of a high-quality Differential for their 1981 Chevrolet K5 Blazer, Advance Auto Parts offers a great selection of Richmond Gear Differentials. With 3 Richmond Gear Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $350.99, with an average price of $354.32, giving you a range of options to suit your budget. Backed by over 10 customer ratings and an average rating of 4.5 stars, Richmond Gear Differentials provide both reliability and excellent performance. Choosing a Richmond Gear Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
“Great spark plugs.”
Differential Ring And Pinion
from $360.99
(1)
Differential Ring And Pinion
“Best ever!!!’nn”
Differential Ring And Pinion
from $350.99
(2)
Differential Ring And Pinion
“I have a Chevy Impala 07 that runs on 3 cylinders when not needing the power of 6, and the new plugs have significantly provided an inexpensive tuneup”

FAQs for 1981 Chevrolet K5 Blazer Differentials

What are the best-selling Differentials for 1981 Chevrolet K5 Blazers?

Out of 307 Differentials that fit 1981 Chevrolet K5 Blazers, the following parts are the top sellers:

What’s the price range for 1981 Chevrolet K5 Blazer Differentials?

The prices of Differentials for the 1981 Chevrolet K5 Blazer range from $2.59 up to $1,969.99 for the most premium parts.

What is the average price of a Differential for a 1981 Chevrolet K5 Blazer?

The average price for Differentials for the 1981 Chevrolet K5 Blazer is $233.88. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Chevrolet K5 Blazer model years?

Yes, we carry Differentials for 10 model years of Chevrolet K5 Blazers between 1975 and 1986. The following model years are the most popular for Differential purchases: 1986, 1985, 1984, 1983, 1982, 1980, 1979, 1978, and 1977.

What are the cheapest Differentials for my 1981 Chevrolet K5 Blazer?

The cheapest 1981 Chevrolet K5 Blazer Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1981 Chevrolet models?

Yes. We stock Differentials for 25 other popular 1981 Chevrolet models. Some of the most popular are 1981 Impala Differentials, 1981 Malibu Differentials, 1981 Camaro Differentials, 1981 Monte Carlo Differentials, and 1981 Corvette Differentials.

What types of Differentials do you sell for my 1981 Chevrolet K5 Blazer?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1981 Chevrolet K5 Blazer:

Can I get help with 1981 Chevrolet K5 Blazer Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Differentials and more.

What is your return policy for Chevrolet K5 Blazer Differentials?

Advance Auto Parts keeps returns simple. For new Chevrolet K5 Blazer Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.