1979 Chevrolet K5 Blazer Differentials

Keep Your 1979 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 1979 Chevrolet K5 Blazer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Covers, 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 National, FELPRO, and Motive Gear. For example, National Differentials start at just $7.99 with an average 4.3 star rating. FELPRO and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 1,176 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 1979 Chevrolet K5 Blazer Differential at Advance Auto Parts is around $252.96, with a range that starts at $2.59 and goes up to $1,969.99. With 450 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, 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 1979 Chevrolet K5 Blazer in peak condition, inside and out.

Essential 1979 Chevrolet K5 Blazer Differentials

Yukon Gear – Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25" (Part No.55048)

Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25"

from

$57.99
Product Features:
  • Crush sleeve eliminator kit for GM 8.5″, 8.6″ and Chrysler 9.25″ rear
See More

Yukon Gear – Dura Grip Positraction For GM 8.5" With 28 Spline Axles (Part No.26015)

Dura Grip Positraction For GM 8.5" With 28 Spline Axles

from

$859.99
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. This unit has larger bearing journals for added strength & uses heavy-duty carrier bearings & races.

Product Features:
  • Fits GM 8.5″ with 28 spline axles
  • 2.73 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 – Ring and Pinion Kit (Part No.24133)

Ring and Pinion Kit

from

$405.99
Ring and Pinion Kit

Yukon Gear – Steel Spool For Dana 44 With 30 Spline Axles, 3.92 & Up (Part No.32041)

Steel Spool For Dana 44 With 30 Spline Axles, 3.92 & Up

from

$338.99
Yukon Performance steel spool for Dana 44 with 30 spline axles. fits 3.92 and up. 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 Chrysler Dana Spicer 44 with 30 spline axles
  • 3.92 and up ratio only
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
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Yukon Gear – Dana 30 / 44 Roll Pin Replacement (Part No.33312)

Dana 30 / 44 Roll Pin Replacement

from

$12.99
Dana 30 & Dana 44 roll PIN, 0.235″ DIA, for cross pin shaft.

Product Features:
  • Roll pin for Dana Spicer 30 and Dana Spicer 44
  • 0.235″ diameter
See More

Yukon Gear – Pump Up Kit, Zip Locker (Part No.34031)

Pump Up Kit, Zip Locker

from

$174.99
Pump up kit, Zip Locker.

Product Features:
  • Tire pump up kit
  • Includes hose, fittings, couplers and teflon tape
See More

National – Bearing Race (Part No.HM89410)

Bearing Race

from

$10.79
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

Yukon Gear – 8.6" GM 12P 12T & F8.8 Carrier Installation Kit (Part No.57010)

8.6" GM 12P 12T & F8.8 Carrier Installation Kit

from

$121.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.6″, 12 bolt car and 12 bolt truck differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits GM 12 bolt passenger car and truck and 8.6″
  • Includes carrier bearings and races and “super” carrier shim kit
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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

Yukon Gear – Master Overhaul Kit For GM 12 Bolt Truck Differential (Part No.14068)

Master Overhaul Kit For GM 12 Bolt Truck Differential

from

$314.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit 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), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application. Includes Supershims.

Product Features:
  • Fits GM 12 bolt truck
  • Included are Timken 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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Yukon Gear – Ring Gear Bolt (Part No.33046)

Ring Gear Bolt

from

$6.99
Ring gear bolt for GM 12 bolt car & truck, 8.2″, 8.2″ for Buick/Olds/Pontiac, 63-79 Corvette & 55-62 GM Car & Truck. 3/8″ x 24.

Product Features:
  • Ring gear bolt for GM 12 bolt passenger car and truck, 1955-1964 passenger car and truck, GM 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
  • 3/8″ x 24 thread
See More

Yukon Gear – 8.5 Front Cover Gasket (Part No.23021)

8.5 Front Cover Gasket

from

$11.99
8.5 front cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 8.5″ front
See More

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

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

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
See More

USA Standard Gear – Open Spider Gear Set For Dana Spicer 44, 30 Spline (Part No.39006)

Open Spider Gear Set For Dana Spicer 44, 30 Spline

from

$203.99
Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 open differential with 30 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
See More

Yukon Gear – Pinion Install Kit For GM 8.5" Differential (Part No.13069)

Pinion Install Kit For GM 8.5" Differential

from

$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″ rear
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Pinion Nut Washer (Part No.33166)

Pinion Nut Washer

from

$23.99
Pinion nut washer for GM 12 bolt car & truck, 55-62 GM car & truck, GM 8.2″ & 63-79 Corvette.

Product Features:
  • Pinion nut washer for GM 12 bolt car and truck, 1955-1964 GM car and truck, GM 8.2″ and 1963-1979 Corvette.
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

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

Motive Gear – Differential Gear Install Kit (Part No.GM12IK)

Differential Gear Install Kit

from

$69.99


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 TRUCK
See More

USA Standard Gear – 4340 Axle Kit For ’79-’87 GM Truck & Blazer, GM 8.5", 28Spline With Spicer Joints (Part No.35064)

4340 Axle Kit For '79-'87 GM Truck & Blazer, GM 8.5", 28Spline With Spicer Joints

from

$854.99
Product Features:
  • Front axle kit
  • Fits 1979-1987 GM half ton front with GM 8.5″
  • 4340 Chromoly axles
  • 28 spline inner axles
  • Includes inner and outer axle shafts with Spicer u-joints
See More

Yukon Gear – Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron ‘Vette (Part No.16042)

Positraction Shim Kit (18 Shims) For GM 8.2", GM 8.5", 12T, 12P, Ford 8.8" & Cast Iron 'Vette

from

$41.99
Product Features:
  • Shim 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
See More

Yukon Gear – Pinion Nut (Part No.33150)

Pinion Nut

from

$11.99
Pinion nut for GM 12 bolt car & truck, 55-62 car & truck, 8.2″, 8.2″ Buick/Olds/Pontiac & 63-79 Corvette. 1 1/8″ socket, 7/8″ x 16 thread.

Product Features:
  • Pinion nut for GM 12 bolt car and truck, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
  • 7/8″ x 16 thread
  • 1 1/8″ socket
See More

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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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:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More

Yukon Gear – Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50 (Part No.33011)

Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50

from

$5.99
Product Features:
  • Outer oil slinger for Dana Spicer 25, 27, 30, 44 and 50
See More

Yukon Gear – O-Ring For Toyota & Dana 44 Zip Locker Seal Housing (Part No.34004)

O-Ring For Toyota & Dana 44 Zip Locker Seal Housing

from

$11.29
Product Features:
  • O-ring for seal housing
  • Fits Dana Spicer 44 and Toyota 8″ and V6
See More

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)

Bearing - TRB (Tapered Roller Bearing)

from

$28.49
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

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)
See More

Popular 1979 Chevrolet K5 Blazer Differentials Categories

Most Popular Differential Bearings for 1979 Chevrolet K5 Blazers

Enhance your 1979 Chevrolet K5 Blazer with one of the 9 Differential Bearings we have in stock, starting at just $6.99.

National – Bearing Race (Part No.LM501314)

Bearing Race

from

$9.29
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

National – Tapered Roller Bearing Cone (Part No.LM104949)

Tapered Roller Bearing Cone

from

$21.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • 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

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

National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

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

Product Features:
  • 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

National – Bearing Race (Part No.LM501310)

Bearing Race

from

$8.49
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

Yukon Gear – Positraction Cross Pin Bolt For GM 12 Bolt Car And Truck (Part No.33344)

Positraction Cross Pin Bolt For GM 12 Bolt Car And Truck

from

$28.99
Positraction cross pin bolt for GM 12P and 12T.

Product Features:
  • Cross pin bolt for GM 12 bolt passenger car and truck
  • For OEM positraction applications only
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

FAG US – Cup (Part No.LM501310)

Cup

from

$9.99
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

Yukon Gear – Cross Pin Bolt (Part No.33067)

Cross Pin Bolt

from

$6.99
Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

Product Features:
  • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
See More

Best-Selling 1979 Chevrolet K5 Blazer Differential Covers

Upgrade your K5 Blazer with one of our 11 best-selling Differential Covers.

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 – Replacement Chrome Cover For Dana 44 (Part No.32004)

Replacement Chrome Cover For Dana 44

from

$67.99
0.080″ thick Chrome replacement cover for Dana 44.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • 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 – Steel Cover For Dana 44 Standard Rotation (Part No.32319)

Steel Cover For Dana 44 Standard Rotation

from

$129.99
Product Features:
  • Fits standard rotation Dana Spicer 44
  • Steel
See More

Yukon Gear – Aluminum Girdle Replacement Cover For Dana 44 Ta HD (Part No.32110)

Aluminum Girdle Replacement Cover For Dana 44 Ta HD

from

$359.99
Aluminum Girdle replacement cover for Dana 44 TA HD.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • Aluminum girdle cover
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 – Differential (Part No.29101)

Differential

from

$271.99
Differential

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
See More

Top-Quality Rear Housing Cover Gaskets for 1979 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 1979 Chevrolet K5 Blazer Differential Oil

Invest in one of our 5 durable Differential Oil for your 1979 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

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

from

$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

Product Features:
  • Formulated with full-synthetic 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
See More

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

from

$11.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of 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
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
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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
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Top-Rated Rear Differential Cover Gaskets for 1979 Chevrolet K5 Blazers

Make a smart move for your 1979 Chevrolet K5 Blazer with products all priced from $3.99 to $31.49.

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
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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:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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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
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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
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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″
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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:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More

Top-Rated Differential Brands For Your 1979 Chevrolet K5 Blazer

When it comes to finding the perfect Differential for your 1979 Chevrolet K5 Blazer, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including FELPRO, National, and Motive Gear, 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 1979 Chevrolet K5 Blazer, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1979 Chevrolet K5 Blazer Differentials

If you’re looking for a top-quality Differential for your 1979 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 1979 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 Oval Shaped 10 Bolt Hole Gasket
from $10.99
(195)
Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket
“Worked as described”
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”

Top-Quality National 1979 Chevrolet K5 Blazer Differentials

For those in search of a high-quality Differential for their 1979 Chevrolet K5 Blazer, Advance Auto Parts offers a great selection of National Differentials. With 3 National 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 $7.99, with an average price of $18.42, giving you a range of options to suit your budget. Backed by over 7 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Bearing Race
from $7.99
(4)
Bearing Race
“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
Bearing Race
from $9.29
(2)
Bearing Race
“Reasonable price and woks well. front diff 2006 Escalade esv”
Shaft Repair Sleeve
from $37.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”

FAQs for 1979 Chevrolet K5 Blazer Differentials

What are the best-selling Differentials for 1979 Chevrolet K5 Blazers?

Out of 450 Differentials that fit 1979 Chevrolet K5 Blazers, the following parts are the top sellers:

What’s the price range for 1979 Chevrolet K5 Blazer Differentials?

The prices of Differentials for the 1979 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 1979 Chevrolet K5 Blazer?

The average price for Differentials for the 1979 Chevrolet K5 Blazer is $252.96. 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, 1981, 1980, 1978, and 1977.

What are the cheapest Differentials for my 1979 Chevrolet K5 Blazer?

The cheapest 1979 Chevrolet K5 Blazer Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1979 Chevrolet models?

Yes. We stock Differentials for 22 other popular 1979 Chevrolet models. Some of the most popular are 1979 Impala Differentials, 1979 Malibu Differentials, 1979 Camaro Differentials, 1979 Monte Carlo Differentials, and 1979 Corvette Differentials.

What are the top-rated Differentials that fit the 1979 Chevrolet K5 Blazer?

The one 1979 Chevrolet K5 Blazer Differential we have in stock is the Differential Pinion Gear Washer. It costs $2.59.

What types of Differentials do you sell for my 1979 Chevrolet K5 Blazer?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1979 Chevrolet K5 Blazer:

Can I get help with 1979 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.