1978 Jeep CJ7 Differentials

Keep Your 1978 Jeep CJ7 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 Jeep CJ7 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Rear Housing Cover Gaskets, and Differential Covers. 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, Powertrax, and Omix. For example, National Differentials start at just $7.99 with an average 4.3 star rating. Powertrax and Omix offer similar pricing and quality, backed by strong customer feedback. With over 252 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep CJ7 owners approve.

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 1978 Jeep CJ7 in peak condition, inside and out.

Essential 1978 Jeep CJ7 Differentials

Crown Auto Jeep Replacmnt – Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8" L, Hex Head, Steel, Single (Part No.J0649454)

Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8" L, Hex Head, Steel, Single

from

$2.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Manufactured From High Quality Material
  • Engineered To The Specifications
  • Meets The Quality Standards
  • Designed For Performance And Durability
  • Easy To Install
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National – Tapered Roller Bearing Cone (Part No.02872)

Tapered Roller Bearing Cone

from

$24.79
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
See More

Yukon Gear – Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 – 7/16" X 20 (Part No.33040)

Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 - 7/16" X 20

from

$3.99
Replacement ring gear bolt for Model 20, Grand Cherokee 35, “Super” Dana 30 & Dana 50. 7/16″ x 20.

Product Features:
  • Ring gear bolt for AMC Model 20, “Super” 35, Dana Spicer “Super” 30 and Dana Spicer 50
  • 7/16″ 20 thread
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Yukon Gear – Pinion Install Kit For Dana 30 Front Differential (Part No.13016)

Pinion Install Kit For Dana 30 Front Differential

from

$159.99
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 standard rotation Dana Spicer 30
  • Included are pinion bearings and races, pinion seal, complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Air Line Repair Kit, Zip Locker (Part No.34003)

Air Line Repair Kit, Zip Locker

from

$52.99
Air line repair kit, ZIP locker.

Product Features:
  • Air line repair kit
  • Includes 20′ air line and two repair fittings
See More

Felpro – Axle Housing Cover Gasket (Part No.RDS 13889)

Axle Housing Cover Gasket

from

$12.49
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 – Seal Housing For Dana 44, Zip Locker, With O-Rings (Part No.34013)

Seal Housing For Dana 44, Zip Locker, With O-Rings

from

$83.99
Product Features:
  • Seal housing for Dana Spicer 44
  • Includes o-rings
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 – Replacement Trail Repair Kit For Amc Model 20 With 1310 Size U/Joint And U-Bolts (Part No.32286)

Replacement Trail Repair Kit For Amc Model 20 With 1310 Size U/Joint And U-Bolts

from

$248.99
Yukon replacement trail repair kit for AMC Model 20 with 1310 size U/joint and u-bolts. This kit comes with a yoke, U/joint, pinion seal, U/bolt kit, pinion nut, and pinion nut washer (if applicable).

Product Features:
  • Fits AMC Model 20
  • 1310 u-joint size
  • Kit includes yoke, U-joint, pinion seal, pinion nut and washer, U-bolts and threadlocker
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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

Needa Parts – Standard Engine Oil Drain Plug: 7/8 " -16 Thread, 1-1/8 " Head (sold by each) (Part No.090-018)

Standard Engine Oil Drain Plug: 7/8 " -16 Thread, 1-1/8 " Head (sold by each)

from

$11.29
This engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles. It is engineered to replace a missing or damaged plug and help ensure a secure seal.

Product Features:
  • Direct replacement – this engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles
  • Ideal solution – engineered to replace a missing or damaged plug and help ensure a secure seal
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • 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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Yukon Gear – Bearing Race Driver (Part No.56023)

Bearing Race Driver

from

$219.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M88010 race
  • All steel construction
See More

Omix – U-Bolt Yoke; AMC 20; 76-86 Jeep CJ Models (Part No.16580.05)

U-Bolt Yoke; AMC 20; 76-86 Jeep CJ Models

from

$71.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Steel
  • 28 Spline
  • OE Style
  • Direct Fit
See More

Yukon Gear – Replacement Standard Open Carrier Case For Dana 30, 3.54 & Down (Part No.20025)

Replacement Standard Open Carrier Case For Dana 30, 3.54 & Down

from

$188.99
Yukon replacement standard open carrier case for Dana 30, 3.54 & down, 1.810″ tall. If purchasing this case for a D30 JK front, you will need to also purchase spider gear set YPKD30-S-27.

Product Features:
  • Standard open carrier case
  • Fits Dana Spicer 30
  • 3.54 and down ratio only
  • Does not include spider gears
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Yukon Gear – 1541H Alloy Right Hand Rear Axle For Model 20 (Long Set) (Part No.21294)

1541H Alloy Right Hand Rear Axle For Model 20 (Long Set)

from

$298.99
Yukon 1541H alloy right hand rear axle for Model 20 (long set) with a length of 28 3/8″ and 29 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy axles come with a five year warranty against manufacturing defects. This axle will not work with an Auburn Ected or a factory Powr Lok posi with two piece side gears.

Product Features:
  • 29 spline
  • 28 3/8″ long
  • Fits AMC Model 20 in 1982-1986 CJ7
  • One piece axle
  • Right hand side
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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
See More

Omix – Trac Loc Disc Kit (Part No.16508.05)

Trac Loc Disc Kit

from

$148.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

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.
See More

Yukon Gear – Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75" (Part No.33536)

Powr Lok Button Kit For Dana 30, Dana 44 & Chrysler 8.75"

from

$67.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:
  • Powr Lok button kit
  • Fits Dana Spicer 30, 44 and Chrysler 8.75″
See More

Yukon Gear – Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler (Part No.33301)

Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler

from

$4.99
Pinion gear thrust washer for 8″ and 9″ Ford, Model 20, and 7.25″ Chrysler.

Product Features:
  • Pinion gear thrust washer for Ford 8″, Ford 9″ and Chrysler 7.25″
See More

National – Bearing Race (Part No.HM88610)

Bearing Race

from

$15.49
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 – Replacement Clutch Set For Dana 44 Powr Lok, Aggressive (Part No.16151)

Replacement Clutch Set For Dana 44 Powr Lok, Aggressive

from

$232.99
Product Features:
  • Clutch kit
  • Fits Dana Spicer 44 and Chrysler 8.75″ Powr Lok
  • Aggressive design
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
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Yukon Gear – Model 20 Gasket (Part No.23025)

Model 20 Gasket

from

$15.99
Model 20 gasket.

Product Features:
  • Cover gasket
  • Fits AMC Model 20
See More

Yukon Gear – Replacement Complete Shim Kit For Dana 30 Front (Part No.55022)

Replacement Complete Shim Kit For Dana 30 Front

from

$76.99
Product Features:
  • Complete shim kit for Dana Spicer 30 front
See More

Crown Auto Jeep Replacmnt – Model 30 Front Axle/ Model 44 Front Axle/ Model 35 Rear Axle/ Amc 20 Rear Axle (Part No.J3182601)

Model 30 Front Axle/ Model 44 Front Axle/ Model 35 Rear Axle/ Amc 20 Rear Axle

from

$7.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Leading Manufacturer Of Quality Replacement Parts For Jeep
  • Meets Standards For Quality
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
  • Improve The Performance
  • Easy Installation
See More

Yukon Gear – The Carrier Bearing Puller (Part No.56072)

The Carrier Bearing Puller

from

$883.99
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 one ton applications including 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
See More

Omix – Pinion Washer (Part No.16584.02)

Pinion Washer

from

$6.79
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

Product Features:
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Popular 1978 Jeep CJ7 Differentials Categories

Most Popular Differential Oil for 1978 Jeep CJ7s

Enhance your 1978 Jeep CJ7 with one of the 4 Differential Oil we have in stock, starting at just $10.29.

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

Idemitsu – Type HP Automatic Transmission Fluid , 1 Quart (Part No.10107-042F)

Type HP Automatic Transmission Fluid , 1 Quart

from

$10.29
Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
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Best-Selling 1978 Jeep CJ7 Rear Housing Cover Gasket

Upgrade your CJ7 with our best-selling Rear Housing Cover Gasket with a 4.5 Starts rating across 9 reviews.

Felpro – Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55019)

Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket

from

$8.29
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-Quality Differential Covers for 1978 Jeep CJ7s

Choose a high-quality OEM or aftermarket Differential Cover for Jeep CJ7s and enjoy top-notch performance from $52.99.

Yukon Gear – Replacement Chrome Cover For Dana 30 Standard Rotation (Part No.32003)

Replacement Chrome Cover For Dana 30 Standard Rotation

from

$52.99
Product Features:
  • Fits standard rotation Dana Spicer 30
  • Chrome
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Yukon Gear – Finned Polished Aluminum Cover For Amc Model 20 (Part No.32031)

Finned Polished Aluminum Cover For Amc Model 20

from

$269.99
Finned Polished aluminum cover for AMC Model 20.

Product Features:
  • Fits AMC Model 20
  • Finned polished aluminum
See More

Yukon Gear – Differential (Part No.29103)

Differential

from

$257.99
Differential

Yukon Gear – Chrome Cover For Amc Model 20 (Part No.32019)

Chrome Cover For Amc Model 20

from

$74.99
Chrome cover for AMC Model 20.

Product Features:
  • Fits AMC Model 20
  • Chrome
See More

Top Picks for 1978 Jeep CJ7 Differential Bearings

Invest in one of our 10 durable Differential Bearings for your 1978 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

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

Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)

Tapered Cone/Cup Wheel Bearing Set

from

$26.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Bearing Race (Part No.LM102910)

Bearing Race

from

$7.79
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

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

Omix – Differential Side Cup; AMC 20; 76-86 Jeep CJ Models (Part No.16509.26)

Differential Side Cup; AMC 20; 76-86 Jeep CJ Models

from

$39.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Sold Individually
  • OE Style
  • Direct Fit
See More

FAG US – Cone (Part No.KM86649)

Cone

from

$24.29
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

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Bearing - TRB (Tapered Roller Bearing)

from

$21.29
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

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

Top-Rated Rear Differential Cover Gaskets for 1978 Jeep CJ7s

Make a smart move for your 1978 Jeep CJ7 with products all priced from $6.49 to $12.99.

Omix – Differential Cover Gasket; for Dana 25/27/30 (Part No.16502.01)

Differential Cover Gasket; for Dana 25/27/30

from

$6.49
Is your Jeep differential cover leaking? Do you need to seal it up after some work? Omix-ADA has the OE quality differential gaskets you need.

Product Features:
  • Rubber
  • Sold Individually
  • OE Style
  • Direct Fit
See More

Yukon Gear – Replacement Cover Gasket For Dana 30 (Part No.23003)

Replacement Cover Gasket For Dana 30

from

$12.99
Product Features:
  • Cover gasket
  • Fits Dana Spicer 30
See More

Omix – Differential Cover Gasket; AMC 20 (Part No.16502.03)

Differential Cover Gasket; AMC 20

from

$8.79
Is your Jeep differential cover leaking? Do you need to seal it up after some work? Omix-ADA has the OE quality differential gaskets you need.

Product Features:
  • Rubber
  • Sold Individually
  • OE Style
  • Direct Fit
See More

Omix – Differential Cover Gasket (Part No.16502.02)

Differential Cover Gasket

from

$7.29
Is your Jeep differential cover leaking? Do you need to seal it up after some work? Omix-ADA has the OE quality differential gaskets you need.

Product Features:
  • Rubber
  • Sold Individually
  • OE Style
  • Direct Fit
  • Limited 5 Year Warranty
See More

Top-Rated Differential Brands For Your 1978 Jeep CJ7

When it comes to finding the perfect Differential for your 1978 Jeep CJ7, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including Powertrax, National, and Omix, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $6.49. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 Jeep CJ7, providing peace of mind with parts that meet or exceed OEM standards.

Popular Powertrax 1978 Jeep CJ7 Differentials

If you’re looking for a top-quality Differential for your 1978 Jeep CJ7, Advance Auto Parts has exactly what you need with our selection of Powertrax Differentials. We have 1 Powertrax Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $350.99, you’ll find the perfect Differential for your needs and budget. Powertrax Differentials for the 1978 Jeep CJ7 come highly rated, with over 1 customer reviews and an impressive average rating of 4.7 stars. Choosing a Powertrax Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Lock Right Locker
from $350.99
(1)
Lock Right Locker
“The fastest mail order i have received.”

Top-Quality National 1978 Jeep CJ7 Differentials

For those in search of a high-quality Differential for their 1978 Jeep CJ7, 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 $9.42, 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 $10.99
(1)
Bearing Race
“Excellent quality and condition”
Bearing Race
from $9.29
(2)
Bearing Race
“Reasonable price and woks well. front diff 2006 Escalade esv”
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.”

FAQs for 1978 Jeep CJ7 Differentials

What are the best-selling Differentials for 1978 Jeep CJ7s?

Out of 235 Differentials that fit 1978 Jeep CJ7s, the following parts are the top sellers:

What’s the price range for 1978 Jeep CJ7 Differentials?

The prices of Differentials for the 1978 Jeep CJ7 range from $1.99 up to $1,435.00 for the most premium parts.

What is the average price of a Differential for a 1978 Jeep CJ7?

The average price for Differentials for the 1978 Jeep CJ7 is $180.44. 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 Jeep CJ7 model years?

Yes, we carry Differentials for 9 model years of Jeep CJ7s between 1976 and 1986. The following model years are the most popular for Differential purchases: 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979, and 1977.

What are the cheapest Differentials for my 1978 Jeep CJ7?

The cheapest 1978 Jeep CJ7 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1978 Jeep models?

Yes. We stock Differentials for 5 other popular 1978 Jeep models. Some of the most popular are 1978 Cherokee Differentials, 1978 Wagoneer Differentials, 1978 J10 Differentials, 1978 J20 Differentials, and 1978 CJ5 Differentials.

What are the top-rated Differentials that fit the 1978 Jeep CJ7?

The one 1978 Jeep CJ7 Differential we have in stock is the Ring Gear Bolt. It costs $1.99.

What types of Differentials do you sell for my 1978 Jeep CJ7?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1978 Jeep CJ7:

Can I get help with 1978 Jeep CJ7 Differential orders?

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

What is your return policy for Jeep CJ7 Differentials?

Advance Auto Parts keeps returns simple. For new Jeep CJ7 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.