1978 Jeep CJ7 Differentials

Please Select your Vehicle to See Exact Fit Parts

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, Differential Axle Shafts, 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 Driveworks. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Powertrax and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 1,425 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep CJ7 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Jeep CJ7 Differential at Advance Auto Parts is around $194.80, with a range that starts at $1.99 and goes up to $1,566.99. With 200 options in stock from 16 trusted brands, finding the right fit is easy. Popular picks like Taper Bearing Cone, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and 3 Qt – Penzoil 80W90 Conventional Gear Oil start at just $15.49 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 1978 Jeep CJ7 in peak condition, inside and out.

Looking for the perfect Differential for your 1978 Jeep CJ7? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Jeep CJ7. Whether you’re driving a 1978 model or another popular model year like 1977, 1979, 1980, 1981, 1982, 1983, 1984, 1985, and 1986, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1978 Jeep CJ7 Differentials

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$119.99

Worn or damaged differential end yoke causing driveline vibrations- This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:

Direct replacement – this differential end yoke matches the fit and construction of the original yoke
Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
Validated fit – this differential end yoke has been tested to confirm accurate fit

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$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″

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$998.99

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

Product Features:

Fits Dana Spicer 44 with 30 spline axles
3.92 and up ratio only
Patented internal design reduces common locker failures
8620 internals for added strength
Assembled in the USA

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$83.99

Product Features:

Seal housing for Dana Spicer 44
Includes o-rings

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$99.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 30 differential. This kit contains carrier bearings, races and shims.

Product Features:

Fits Dana Spicer 30
Includes carrier bearings and races and carrier shim kit

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$15.99

Product Features:

Carrier shim kit for Dana Spicer 30 with 30 spline axles

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$76.99

Product Features:

Complete shim kit for Dana Spicer 30 front

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$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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$4.99

Product Features:

Oil baffle for Dana Spicer 30, Dana Spicer 44 IFS, Dana Spicer 50, AMC Model 35 IFS

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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

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$139.99

Dana 44 & 9.25 Chrysler TracLoc clutch kit.

Product Features:

Clutch kit
Fits Dana Spicer 44 and Chrysler 9.25″ Trac Loc positraction

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$1.99

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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$199.99

Yukon 1541H alloy 2 piece left hand short axle for Model 20 (’82-’86 CJ7) with a length of 28-5/8″ inches long 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.

Product Features:

29 spline
28 5/8″ long
Fits AMC Model 20 in 1982-1986 CJ7
Two piece axle
Left hand side
Does not include hub

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$101.99

Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:

Fits standard rotation Dana Spicer 30
Included are a pinion seal, axle seals, complete shim kit, marking compound and brush.

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$129.99

Product Features:

Fits standard rotation Dana Spicer 44
Steel

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$28.99

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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

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$17.99

Yukon 1541H alloy right hand rear axle for Model 35 (drum brakes) with a 54 tooth, 2.7″ ABS ring. axle has a length of 29-1/4″ inches and 27 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H allo

Product Features:

Pinion depth shims for AMC Model 35 and Chrysler 7.25″

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$12.99

Product Features:

Cover gasket
Fits Dana Spicer 30

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$12.99

Product Features:

Cover gasket
Fits Dana Spicer 44

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$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

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$658.99

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

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$22.79

Product Features:

FORD 9″ SOLID SPACER KIT

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$3.99

Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.

Product Features:

Long-Lasting, Durable Crown Automotive Products
Hazardous Free Material
Offers OE Fit And Function
Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts

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$17.49

All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!

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$296.99

If you’re repairing or rebuilding a front or rear differential and want the best performance and longevity from the bearings being replaced, choose this premium differential kit. It includes high-precision bearings manufactured to tighter tolerances and engineered to last longer than common lower-grade bearings that have more backlash when subjected to the torque generated within the differential. This convenient kit also saves the time needed to source individual components. Check the product attributes and fitment details to select the correct premium differential kit for your application.

Product Features:

Ideal solution – this premium differential bearing kit features high-precision bearings to help ensure longer bearing life, prevent backlash, and restore proper differential operation
Direct replacement – the components in this all-in-one kit are engineered to precisely match the fit and function of the original equipment bearings for a seamless installation
Increased reliability – the premium bearings in this kit are manufactured to exacting tolerances and specifications from high quality materials to help ensure optimal performance
Application-specific – check the product attributes and fitment details to choose the correct kit for your application

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$3.99

Crown Automotive offers the largest line of replacement parts for Jeep(R), as well as a growing line of parts for Chrysler and Dodge. Our applications comes with Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.

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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$52.79

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$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

Popular 1978 Jeep CJ7 Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Differential Lock Assemblies

Differential Air System Seal Housings

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

Differential Drain Plugs

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential End Yoke Nut

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Bearing Baffles

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Oil Deflectors

Differential Carrier Bolts

Differential Pinion Bearing Spacers

Differential Lock Washers

Differential Bolts

Differential and Pinion Shim Kits

Differential Lock Thrust Blocks

Most Popular Differential Oil for 1978 Jeep CJ7s

Enhance your 1978 Jeep CJ7 with one of the 6 Differential Oil we have in stock, starting at just $35.99.

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$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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$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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$44.99

3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:

Includes three quarts of conventional oil

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$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

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:

Includes four quarts of Redline Shockproof oil

Best-Selling 1978 Jeep CJ7 Differential Axle Shafts

Upgrade your CJ7 with one of our 19 best-selling Differential Axle Shafts.

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$161.99

Yukon 1541H alloy 2 piece right hand short axle for Model 20 ( ’76-’83 CJ5, and ’76-’81 CJ7) with a length of 29-3/8″ inches long 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.

Product Features:

29 spline
29 3/8″ long
Fits AMC Model 20 in 1976-1983 CJ5 and 1976-1981 CJ7
Two piece axle
Right hand side
Does not include hub

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$1435.00

Yukon front 4340 Chrome-Moly replacement axle kit for ’72-’81 Dana 30 Jeep CJ with 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axes for both left and right sides along with Yukon Superjoints. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

27 spline inner and outer
Fits Dana Spicer 30 in 1972-1981 Jeep CJ
Includes inner and outer 4340 Chromoly axles and Yukon Super Joints

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$1035.00

Yukon front 4340 Chrome-Moly replacement axle kit for ’72-’81 Dana 30 Jeep CJ with 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. This kit comes with inner & outer axles for both left and right sides along with Dana U/joint. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

27 spline inner and outer
Fits Dana Spicer 30 in 1972-1981 Jeep CJ
Includes inner and outer 4340 Chromoly axles and Spicer U-Joints

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$949.99

Product Features:

27 spline inner and outer
Fits Dana Spicer 30 in 1972-1981 Jeep CJ
Includes inner and outer 4340 Chromoly axles and Spicer U-Joints

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$739.99

One piece axles for ’76-’79 Model 20 CJ7 Quadratrack with bearings and 29 splines, kit. Yukon 1541H alloy axles come with a five year warranty against manufacturing defects. These axles will not work with an Auburn Ected or a factory Powr Lok posi with two piece side gears.

Product Features:

Rear axle kit
Fits 1976-1979 Jeep CJ with Quadratrack
29 spline
Replaces stock two piece axles with upgraded one piece design
Includes two axles, axle bearings and seals, axle retainers, axle studs and silicone

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$579.99

One piece short axles for Model 20 ’76-‘3 CJ5, and ’76-’81 CJ7 with bearings and 29 splines, kit. Yukon 1541H alloy axles come with a five year warranty against manufacturing defects. These axles will not work with an Auburn Ected or a factory Powr Lok posi with two piece side gears.

Product Features:

Rear axle kit
Fits 1973-1983 Jeep CJ5 and 1976-1981 CJ7 with AMC Model 20 rear
29 spline
Replaces stock two piece axles with upgraded one piece design
Includes two axles, axle bearings and seals, axle retainers, axle studs and silicone

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$298.99

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
30 5/16″ long
Fits AMC Model 20 in 1976-1979 CJ7 with Quadtrac
One piece axle
Left hand side

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$298.99

Yukon 1541H alloy right hand rear axle for Model 20 (short set) with a length of 26 5/8″ 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
26 5/8″ long
Fits AMC Model 20 in 1976-1983 CJ5 and 1976-1981 CJ7
One piece axle
Right hand side

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$298.99

Yukon 4340 Chrome-Moly right hand inner replacement axle for Dana 30, ’72-’81 Jeep CJ with a length of 14.14 and 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

27 spline
14.14″ long
Fits Dana Spicer 30 in 1972-1981 Jeep CJ
Right hand inner
5-760X U-joint size
4340 Chromoly

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$298.99

Yukon 1541H alloy left hand rear axle for Model 20 (short set) with a length of 23.310″ 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
23.31″ long
Fits AMC Model 20 in 1976-1983 CJ5 and 1976-1981 CJ7
One piece axle
Left hand side

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$298.99

Yukon 4340 Chrome-Moly left hand inner replacement axle for Dana 30, ’72-’81 Jeep CJ with a length of 27.01 and 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

27 spline
27.01″ long
Fits Dana Spicer 30 in 1972-1981 Jeep CJ
Left hand inner
5-760X U-joint size
4340 Chromoly

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$272.99

Yukon 1541H alloy right hand rear axle for Model 20 (Quadratrack set) with a length of 18 7/8″ 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
18 7/8″ long
Fits AMC Model 20 in 1976-1979 CJ7 with Quadtrac
One piece axle
Right hand side

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$269.99

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

Product Features:

Left Side
Includes Axle/Hub Bearing/Cup
Incl. Inner/Outer Seal/Nut/Washer/Key
OE Style
Direct Fit

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$263.99

This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:

Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
Durable construction – designed to rigorous standards and tested to ensure performance
Trustworthy solution – backed by team of engineers and quality control specialists in the United States

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$259.99

Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.

Product Features:

Meets or exceeds OE specifications
Dual heat treating process

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$215.99

4340 Chrome-Moly replacement axle for Dana 30, ’72-’81 CJ, left hand inner, 27 spline.

Product Features:

27 spline
27.01″ long
Fits Dana Spicer 30 in 1972-1981 Jeep CJ
Left hand inner
5-760X U-joint size
4340 Chromoly

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$204.99

Yukon 1541H alloy 2 pieces left hand short axle for Model 20 ( ’76-’83 CJ5, and ’76-’81 CJ7) with a length of 26-1/4″ inches long 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.

Product Features:

29 spline
26.25″ long
Fits AMC Model 20 in 1976-1983 CJ5 and 1976-1981 CJ7
Two piece axle
Left hand side
Does not include hub

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$175.99

Yukon Two piece axle hub for Model 20. fits stock type axle. Yukon hubs come with a 1 year warranty against manufacturing defects.

Product Features:

Fits AMC Model 20 in CJ5 and CJ7
Hub

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$161.99

Product Features:

Fits Dana Spicer 30 in 1972-1981 Jeep CJ
27 spline
14.14″ long
Right hand inner
5-760X U-joint size
4340 Chromoly

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.

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$52.99

Product Features:

Fits standard rotation Dana Spicer 30
Chrome

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$269.99

Finned Polished aluminum cover for AMC Model 20.

Product Features:

Fits AMC Model 20
Finned polished aluminum

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$257.99

Differential

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$201.99

Product Features:

Fits standard rotation Dana Spicer 30
Finned polished aluminum

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$138.99

Product Features:

Fits standard rotation Dana Spicer 30
Steel

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$74.99

Chrome cover for AMC Model 20.

Product Features:

Fits AMC Model 20
Chrome

Top Picks for 1978 Jeep CJ7 Differential Bearings

Invest in one of our 5 durable Differential Bearings for your 1978 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

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$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$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

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$15.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$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

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$21.29

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Our Rear Differential Cover Gaskets for 1978 Jeep CJ7s

Make a smart move for your 1978 Jeep CJ7 with our Rear Differential Cover Gasket for $12.99.

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$12.99

Product Features:

Cover gasket
Fits Dana Spicer 30

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 16 trusted brands. We carry the most popular Differential brands including Powertrax, National, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $10.99. 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.

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 $11.99, with an average price of $21.16, 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.

from $23.49

(4)

Differential Pinion Seal

“Works well fit right in. Love national seals”

from $27.99

(1)

Multi-Purpose Bearing

“great price”

from $11.99

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

FAQs for 1978 Jeep CJ7 Differentials

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

Out of 200 Differentials that fit 1978 Jeep CJ7s, the following parts are the top sellers:

Taper Bearing Cone (5051614) – $15.49
3 Qt – 80W90 Conventional Gear Oil With Posi Additive (11645418) – $57.99
3 Qt – Penzoil 80W90 Conventional Gear Oil (11644279) – $44.99

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 $1,566.99 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 $194.80. 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:

Ring Gear Bolt (19640279) – $1.99
Differential Ring Gear Bolt (10282436) – $1.99
Differential Crush Sleeve (10592883) – $2.99
Replacement Ring Gear Bolt For Model 20, Grand Cherokee 35, "Super" Dana 30 & Dana 50 – 7/16" X 20 (11642262) – $3.99
Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (11642796) – $3.99

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

As of 3/1/26, 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.

1978 Jeep CJ7 Differentials

Dorman – Differential Pinion Yoke Assembly (Part No.697-542)

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

Yukon Gear – Dana 44 Grizzly Locker Replacement (Part No.28001)

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

Yukon Gear – Carrier Installation Kit For Dana 30 Differential (Part No.57002)

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

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

Yukon Gear – Pinion Install Kit For Dana 30 Front Differential (Part No.13016)

Yukon Gear – Replacement Oil Baffle For Model 35 IFS Front, Dana 25, 27, 30, 44 IFS & Disconnect And Dana 50 (Part No.33002)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

Yukon Gear – Dana 44 And Chrysler 9.25" Traclloc Clutch Kit Replacement (Part No.16153)

Pro-King – Differential Ring Gear Bolt (Part No.742E935)

Yukon Gear – 1541H Alloy 2 Piece Left Hand Short Axle For Model 20 (’82-’86 CJ7) (Part No.21649)

Yukon Gear – Minor Install Kit For Dana 30 Front Differential (Part No.12013)

Yukon Gear – Steel Cover For Dana 44 Standard Rotation (Part No.32319)

Schaeffler – Shaft Seal (Part No.SS2633)

Yukon Gear – Replacement Pinion Depth Shims For Dana 35, Model 35 & Chrysler 7.25" (Part No.55014)

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

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

Yukon Gear – Dana 30 / 44 Roll Pin Replacement (Part No.33312)

Powertrax – Grip LOK Traction System (Part No.LK444430)

Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4105)

Crown Auto Jeep Replacmnt – OE Replacement, Single (Part No.J4004913)

Motive Gear – Differential Pinion Seal (Part No.470331N)

Dorman – Premium Ring and Pinion Master Bearing and Installation Kit (Part No.797-109)

Crown Auto Jeep Replacmnt – OE Replacement (Part No.J0273573)

Motive Gear – Differential Gear Install Kit (Part No.AM20IK)

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

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

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

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

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

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

Yukon Gear – 1541H Alloy 2 Piece Right Hand Short Axle For Model 20 ( ’76-’83 CJ5, And ’76-’81 CJ7) (Part No.21647)

Yukon Gear – Front 4340 Chrome-Moly Replacement Axle Kit For ’72-’81 Dana 30 Jeep CJ With 27 Splines (Part No.21320)

Yukon Gear – Front 4340 Chrome-Moly Replacement Axle Kit For ’72-’81 Dana 30 Jeep CJ With 27 Splines (Part No.21319)

USA Standard Gear – 4340 Chrome-Moly Replacement Axle Kit For ’72-’81 Jeep CJ, Dana 30, 27 Spline (Part No.35162)

Yukon Gear – One Piece Axles For ’76-’79 Model 20 CJ7 Quadratrack With Bearings And 29 Splines, Kit (Part No.21392)

Yukon Gear – One Piece Short Axles For Model 20 ’76-‘3 CJ5, And ’76-’81 CJ7 With Bearings And 29 Splines, Kit (Part No.21393)

Yukon Gear – 1541H Alloy Left Hand Rear Axle For Model 20 (Quadratrack Set) (Part No.21296)

Yukon Gear – 1541H Alloy Right Hand Rear Axle For Model 20 (Short Set) (Part No.21292)

Yukon Gear – 4340 Chrome-Moly Right Hand Inner Axle For Dana 30, ’72-’81 Jeep CJ, Uses 5-760X U/Joint (Part No.21347)

Yukon Gear – 1541H Alloy Left Hand Rear Axle For Model 20 (Short Set) (Part No.21293)

Yukon Gear – 4340 Chrome-Moly Left Hand Inner Axle For Dana 30, ’72-’81 Jeep CJ, Uses 5-760X U/Joint (Part No.21345)

Yukon Gear – 1541H Alloy Right Hand Rear Axle For Model 20 (Quadratrack Set) (Part No.21297)

Omix – Axle Kit NT; LH; AMC 20; 76-83 Jeep CJ Models (Part No.16530.27)

Dorman – Axle Shaft (Part No.630-317)

Pro-King – Rear Axle Shaft Kit (Part No.AXK-242)

USA Standard Gear – 4340 Chrome-Moly Replacement Axle For Dana 30, ’72-’81 CJ, Left Hand Inner, 27 Spline (Part No.35165)

Yukon Gear – 1541H Alloy 2 Pieces Left Hand Short Axle For Model 20 ( ’76-’83 CJ5, And ’76-’81 CJ7) (Part No.21646)

Yukon Gear – Two Piece Axle Hub For Model 20 – Fits Stock Type Axle (Part No.21648)

USA Standard Gear – 4340 Chrome-Moly Replacement Axle For Dana 30, ’72-’81 CJ, Right Hand Inner, 27 Spline (Part No.35166)

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

Yukon Gear – Finned Polished Aluminum Cover For Amc Model 20 (Part No.32031)

Yukon Gear – Differential (Part No.29103)

Yukon Gear – Polished Aluminum Replacement Cover For Dana 30 Standard Rotation (Part No.32021)

Yukon Gear – Steel Cover For Dana 30 Standard Rotation Front (Part No.32316)

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

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

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

Driveworks – Taper Bearing Cone (Part No.S-LM-102949)

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

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

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