1985 Jeep CJ7 Differentials

Keep Your 1985 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 1985 Jeep CJ7 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Rear Housing Cover Gaskets, and Differential Oil. 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 $7.79 with an average 4.3 star rating. Powertrax and Omix offer similar pricing and quality, backed by strong customer feedback. With over 166 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 1985 Jeep CJ7 in peak condition, inside and out.

Essential 1985 Jeep CJ7 Differentials

Powertrax – Lock Right Locker (Part No.2210-LR)

Lock Right Locker

from

$350.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • 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

    Omix – Differential Pinion Bearing Baffle (Part No.16512.53)

    Differential Pinion Bearing Baffle

    from

    $4.99
    Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.

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

    USA Standard Gear – Model 20 Spartan Locker Cross Pin (Part No.17025)

    Model 20 Spartan Locker Cross Pin

    from

    $46.99
    Product Features:
    • USA Standard Gear heavy-duty cross pin shaft
    • Fits AMC Model 20
    • Works with Spartan Locker or standard open spider gears
    See More

    Yukon Gear – Replacement Ring & Pinion Thick Gear Set For Dana 44 Standard Rotation, 5.13 Ratio (Part No.24043)

    Replacement Ring & Pinion Thick Gear Set For Dana 44 Standard Rotation, 5.13 Ratio

    from

    $482.99
    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 the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

    Product Features:
    • Fits standard rotation Dana Spicer 44
    • 8.50″ ring gear diameter
    • 26 spline pinion
    • 10 ring gear bolts
    • 5.13 ratio
    • Thick gear for 3.73 and down carrier
    See More

    Yukon Gear – Bearing Race Driver (Part No.56006)

    Bearing Race Driver

    from

    $215.99
    Bearing race driver for Dana 44 rear. (TK 31520) No return.

    Product Features:
    • Bearing race driver
    • Fits 31520 race
    • All steel construction
    See More

    Yukon Gear – Differential (Part No.29103)

    Differential

    from

    $257.99
    Differential

    National – Multi-Purpose Bearing (Part No.A-5)

    Multi-Purpose Bearing

    from

    $16.99
    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

    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

    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

    National – Bearing Race (Part No.14276)

    Bearing Race

    from

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

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

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

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

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

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

    Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Smooth (Part No.16152)

    Replacement Clutch Set For Dana 44 Powr Lok, Smooth

    from

    $177.99
    Product Features:
    • Clutch kit
    • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
    • Smooth design
    See More

    Yukon Gear – Zip Locker Front Switch Cover (Part No.34009)

    Zip Locker Front Switch Cover

    from

    $7.99
    ZIP locker front switch cover.

    Product Features:
    • Cover for switch
    • Front
    See More

    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

    Omix – Drive Shaft Pinion Yoke (Part No.16580.01)

    Drive Shaft Pinion Yoke

    from

    $101.99
    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
    • Front Or Rear
    • U-bolt Style
    See More

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

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

    from

    $15.99
    Product Features:
    • Carrier shim kit for Dana Spicer 30 with 30 spline axles
    See More

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

    Carrier Installation Kit For Dana 30 Differential

    from

    $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
    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

    National – Shaft Repair Sleeve (Part No.99155)

    Shaft Repair Sleeve

    from

    $38.99
    National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
    See More

    Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

    Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement

    from

    $5.99
    Product Features:
    • Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
    • 0.030″ thick
    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
    See More

    Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 3.92 & Up (Part No.20028)

    Replacement Standard Open Carrier Case For Dana 44, 3.92 & Up

    from

    $149.99
    Yukon replacement standard open carrier case for Dana 44, 3.92 & up, 2-3/8″ tall.

    Product Features:
    • Standard open carrier case
    • Fits Dana Spicer 44 with 30 spline axles
    • 3.92 and up ratio only
    • Does not include spider gears
    See More

    Yukon Gear – Dana 44 Pinion Gear Thrust Washer (Part No.33281)

    Dana 44 Pinion Gear Thrust Washer

    from

    $4.99
    Dana 44, GM55P & 8.2″ GM pinion gear Thrust washer.

    Product Features:
    • Pinion gear thrust washer for Dana Spicer 44, GM 8.2″ and 1955-1964 GM passenger car
    See More

    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

    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 – 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.
    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

    Popular 1985 Jeep CJ7 Differentials Categories

    Most Popular Differential Covers for 1985 Jeep CJ7s

    Enhance your 1985 Jeep CJ7 with one of the 5 Differential Covers we have in stock, starting at just $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
    See More

    Rugged Ridge – Heavy Duty Differential Cover (Part No.16595.44)

    Heavy Duty Differential Cover

    from

    $271.99
    Made from either 3/8 inch cast steel or 5/16 inch stamped steel, these heavy-duty covers are designed to protect your differential and all its working parts for as long as you own your vehicle.

    Product Features:
    • Painted Black Inside and Out
    • 3/8 in. Cast Steel
    • Reinforced Protection For Fill Plug
    • Hardware Included
    • Limited 5 Year Warranty
    See More

    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

    Best-Selling 1985 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 Oil for 1985 Jeep CJ7s

    Choose a high-quality OEM or aftermarket Differential Oil for Jeep CJ7s and enjoy top-notch performance from $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
    See More

    Top Picks for 1985 Jeep CJ7 Differential Bearings

    Invest in one of our 10 durable Differential Bearings for your 1985 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 1985 Jeep CJ7s

    Make a smart move for your 1985 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 1985 Jeep CJ7

    When it comes to finding the perfect Differential for your 1985 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 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 1985 Jeep CJ7, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Powertrax 1985 Jeep CJ7 Differentials

    If you’re looking for a top-quality Differential for your 1985 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 1985 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 1985 Jeep CJ7 Differentials

    For those in search of a high-quality Differential for their 1985 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 $7.79, with an average price of $8.36, giving you a range of options to suit your budget. Backed by over 12 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 $7.79
    (6)
    Bearing Race
    “perfect fit”
    Bearing Race
    from $9.29
    (2)
    Bearing Race
    “Reasonable price and woks well. front diff 2006 Escalade esv”

    FAQs for 1985 Jeep CJ7 Differentials

    What are the best-selling Differentials for 1985 Jeep CJ7s?

    Out of 236 Differentials that fit 1985 Jeep CJ7s, the following parts are the top sellers:

    What’s the price range for 1985 Jeep CJ7 Differentials?

    The prices of Differentials for the 1985 Jeep CJ7 range from $1.99 up to $1,472.99 for the most premium parts.

    What is the average price of a Differential for a 1985 Jeep CJ7?

    The average price for Differentials for the 1985 Jeep CJ7 is $180.42. 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, 1984, 1983, 1982, 1981, 1980, 1979, 1978, and 1977.

    What are the cheapest Differentials for my 1985 Jeep CJ7?

    The cheapest 1985 Jeep CJ7 Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1985 Jeep models?

    Yes. We stock Differentials for 4 other popular 1985 Jeep models. Some of the most popular are 1985 Cherokee Differentials, 1985 Grand Wagoneer Differentials, 1985 Wagoneer Differentials, 1985 J10 Differentials, and 1985 J20 Differentials.

    What are the top-rated Differentials that fit the 1985 Jeep CJ7?

    The one 1985 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 1985 Jeep CJ7?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1985 Jeep CJ7:

    Can I get help with 1985 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.