1977 Jeep CJ7 Differentials

Keep Your 1977 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 1977 Jeep CJ7 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Differential Bearings, 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 $7.99 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 1977 Jeep CJ7 in peak condition, inside and out.

Essential 1977 Jeep CJ7 Differentials

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

Dana 30 / 44 Roll Pin Replacement

from

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

Product Features:
  • Roll pin for Dana Spicer 30 and Dana Spicer 44
  • 0.235″ diameter
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Omix – Front Driveshaft Yoke; 76-86 Jeep CJ Models (Part No.16580.54)

Front Driveshaft Yoke; 76-86 Jeep CJ Models

from

$115.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Steel
  • Front
  • OE Style
  • Direct Fit
See More

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

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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Powertrax – No-Slip Traction System (Part No.9201202900)

No-Slip Traction System

from

$522.99
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!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 – Pinion Spacer; Collapsible AMC 20; 76-86 Jeep CJ Models (Part No.16512.60)

    Pinion Spacer; Collapsible AMC 20; 76-86 Jeep CJ Models

    from

    $5.79
    Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

    Product Features:
    • OE Style
    • Direct Fit
    See More

    Pro-King – Differential Case (Empty) (Part No.714A714A)

    Differential Case (Empty)

    from

    $159.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

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

    Yukon Gear – Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And Straps (Part No.32278)

    Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And Straps

    from

    $223.99
    Yukon replacement trail repair kit for Dana 30 and 44 with 1310 size U/joint and straps. This kit comes with a yoke, U/joint, pinion seal, U/bolt or strap kit, pinion nut, and pinion nut washer (if applicable).

    Product Features:
    • Fits Dana Spicer 30 and 44
    • 1310 u-joint size
    • Kit includes yoke, U-joint, pinion seal, pinion nut and washer, straps, bolts and threadlocker
    See More

    Yukon Gear – Set Up Bearing (Part No.56036)

    Set Up Bearing

    from

    $172.99
    Set-up carrier bearing kit (2 bearings, no races) LM501349. No return.

    Product Features:
    • Set up bearing kit
    • Fits Dana Spicer 30
    • Easily slips on and off carrier journals to allow for easier carrier shim adjustment
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    Omix – Axle Seal; Inner; 1 Piece; AMC 20 (Part No.16535.03)

    Axle Seal; Inner; 1 Piece; AMC 20

    from

    $4.49
    Do you have a gear oil leak around your axle shaft? Worried you could run low on gear oil and ruin the axle? Omix-ADA offers high-quality replacement axle seals to keep the gear lube inside the axle where it belongs.

    Product Features:
    • Inner
    • Left/Right Side
    • OE Style
    • Direct Fit
    See More

    Omix – Differential Carrier; for Dana 30 (Part No.16503.49)

    Differential Carrier; for Dana 30

    from

    $489.99
    Changing to new ring and pinion gear ratio? You may need a new differential carrier depending on the gear ratio break. Or maybe your diff blew up? Either way, Omix-ADA has you covered. We have dozens of differential carriers to meet your needs.

    Product Features:
    • 3.73-4.10 Ratios
    • Front
    • OE Style
    • Direct Fit
    See More

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

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

    from

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

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

    Yukon Gear – Powr Lok Flat Drive Plate For Dana 44 (Part No.16172)

    Powr Lok Flat Drive Plate For Dana 44

    from

    $31.99
    Product Features:
    • Flat drive plate
    • Fits Dana Spicer 44 Powr Lok
    See More

    Yukon Gear – Dana 44 Master Overhaul Kit Replacement (Part No.14027)

    Dana 44 Master Overhaul Kit Replacement

    from

    $349.99
    Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

    Product Features:
    • Fits Dana Spicer 44 rear
    • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, thread locker, marking compound with brush, and gasket.
    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

    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

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

    Differential Ring Gear Bolt

    from

    $1.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

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

    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

    Powertrax – Lock Right Locker (Part No.2415-LR)

    Lock Right Locker

    from

    $442.99
    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

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

    4340 Chrome-Moly Replacement Axle For Dana 30, '72-'81 CJ, Right Hand Inner, 27 Spline

    from

    $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
    See More

    Yukon Gear – Mini Spool For Dana Spicer 44 With 30 Spline Axles (Part No.32055)

    Mini Spool For Dana Spicer 44 With 30 Spline Axles

    from

    $194.99
    Mini Spool for Dana 44 with 30 spline axles. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits Dana Spicer 44 with 30 spline axles
    • Installs into a standard open carrier case
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
    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 Carrier Shim Kit For Dana 30 & 44 With 19 Spline Axles (Part No.55018)

    Replacement Carrier Shim Kit For Dana 30 & 44 With 19 Spline Axles

    from

    $30.99
    Product Features:
    • Carrier shim kit for Dana Spicer 30 and Dana Spicer 44 with 19 spline axles
    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 – Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement (Part No.33012)

    Dana 25 / 27 / 30 / 44 / 50 Inner Oil Slinger Replacement

    from

    $6.99
    Product Features:
    • Inner oil slinger for Dana Spicer 25, 27, 30, 44 and 50
    See More

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

    Replacement Pinion Depth Shims For Dana 35, Model 35 & Chrysler 7.25"

    from

    $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″
    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

    Yukon Gear – Bearing Race Driver (Part No.56015)

    Bearing Race Driver

    from

    $215.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits HM88610 race
    • All steel construction
    See More

    Popular 1977 Jeep CJ7 Differentials Categories

    Most Popular Rear Housing Cover Gasket for 1977 Jeep CJ7s

    Enhance your 1977 Jeep CJ7 with this popular Rear Housing Cover Gasket we have in stock, for $8.29.

    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

    Best-Selling 1977 Jeep CJ7 Differential Bearings

    Upgrade your CJ7 with one of our 10 best-selling Differential Bearings, earning an average 4.2 stars rating across 25 reviews.

    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-Quality Differential Oil for 1977 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 1977 Jeep CJ7 Rear Differential Cover Gaskets

    Invest in one of our 4 durable Rear Differential Cover Gaskets for your 1977 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

    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

    Differential Covers for 1977 Jeep CJ7s

    Make a smart move for your 1977 Jeep CJ7 with products all priced from $52.99 to $269.99.

    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

    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
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    Top-Rated Differential Brands For Your 1977 Jeep CJ7

    When it comes to finding the perfect Differential for your 1977 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 1977 Jeep CJ7, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Powertrax 1977 Jeep CJ7 Differentials

    If you’re looking for a top-quality Differential for your 1977 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 1977 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 1977 Jeep CJ7 Differentials

    For those in search of a high-quality Differential for their 1977 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 $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 $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”

    FAQs for 1977 Jeep CJ7 Differentials

    What are the best-selling Differentials for 1977 Jeep CJ7s?

    Out of 235 Differentials that fit 1977 Jeep CJ7s, the following parts are the top sellers:

    What’s the price range for 1977 Jeep CJ7 Differentials?

    The prices of Differentials for the 1977 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 1977 Jeep CJ7?

    The average price for Differentials for the 1977 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 1978.

    What are the cheapest Differentials for my 1977 Jeep CJ7?

    The cheapest 1977 Jeep CJ7 Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1977 Jeep models?

    Yes. We stock Differentials for 5 other popular 1977 Jeep models. Some of the most popular are 1977 Cherokee Differentials, 1977 Wagoneer Differentials, 1977 J10 Differentials, 1977 J20 Differentials, and 1977 CJ5 Differentials.

    What are the top-rated Differentials that fit the 1977 Jeep CJ7?

    The one 1977 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 1977 Jeep CJ7?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1977 Jeep CJ7:

    Can I get help with 1977 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.