2018 Jeep Wrangler Differentials

Keep Your 2018 Jeep Wrangler in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2018 Jeep Wrangler looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, 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 Valvoline, Castrol, and Mobil Oil. For example, Valvoline Differentials start at just $69.99 with an average 4.8 star rating. Castrol and Mobil Oil offer similar pricing and quality, backed by strong customer feedback. With over 15,016 reviews and a solid 5 star average, you can shop with confidence knowing other Jeep Wrangler owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2018 Jeep Wrangler Differential at Advance Auto Parts is around $267.68, with a range that starts at $2.99 and goes up to $677.99. With 59 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart, SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon, and Crush Sleeve start at just $4.99 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 Drive Shafts and Axles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 2018 Jeep Wrangler in peak condition, inside and out.

Essential 2018 Jeep Wrangler Differentials

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

OE Replacement

from

$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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Crown Auto Jeep Replacmnt – Dana 35/ Dana 44 Axle (Part No.68003265AA)

Dana 35/ Dana 44 Axle

from

$20.99
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
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Castrol – Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart (Part No.15A9FA)

Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart

from

$14.79
Product Features:
  • Technologically advanced, full synthetic formulation provides superior transmission life
  • Engineered with superior base oils to ensure superb low and high temperature performance
  • Certified and approved for all Chrysler cars and trucks that require ATF+4«, Mopar ATF+3«, ATF+2«, ATF+2 Type 7176«, or ATF+«
  • Meets or Exceeds Fiat Chrysler ATF+4« requirements.
  • Packaged in a convenient 1-quart size for easy handling and precise application during maintenance.
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Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 30 Spline, 3.73 & Down, Bare (Part No.20115)

Replacement Standard Open Carrier Case For Dana 44, 30 Spline, 3.73 & Down, Bare

from

$203.99
Yukon replacement standard open carrier case for Dana 44, 30 spline, 3.73 & down, bare. This case includes carrier shims, roll pin, ring gear bolts and a cover gasket.

Product Features:
  • Standard open carrier case
  • Does not include spider gears
  • Includes carrier shims, roll pin, ring gear bolts and a cover gasket.
  • Fits Dana Spicer 44
  • 3.73 and down ratio only
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Yukon Gear – Dana 44 Complete Shim Kit Replacement (Part No.55021)

Dana 44 Complete Shim Kit Replacement

from

$51.99
Product Features:
  • Complete shim kit for Dana Spicer 44
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Yukon Gear – Replacement Crush Sleeve For Dana 30 Reverse Front JK & Rubicon JK Front (Part No.33130)

Replacement Crush Sleeve For Dana 30 Reverse Front JK & Rubicon JK Front

from

$21.99
Replacement Crush sleeve for Dana 30 Reverse front JK & Rubicon JK front. Approx 1.440″ long.

Product Features:
  • Crush sleeve for Jeep JK non-Rubicon front
  • 1.440″ tall
See More

Yukon Gear – Zip Locker For Dana 30 With 27 Spline Axles, 3.73 & Up (Part No.34016)

Zip Locker For Dana 30 With 27 Spline Axles, 3.73 & Up

from

$1303.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:
  • Fits Dana Spicer 30 with 27 spline axles
  • 3.73 and up ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
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Yukon Gear – Zip Locker For Dana 44 With 30 Spline Axles, 3.92 & Up (Part No.34020)

Zip Locker For Dana 44 With 30 Spline Axles, 3.92 & Up

from

$1302.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.92 and up ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
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Richmond Gear – Differential Cross Shaft (Part No.CSPD44)

Differential Cross Shaft

from

$26.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Yukon Gear – Replacement Trail Repair Kit For Dana 30 And 44 With 1350 Size U/Joint And Straps (Part No.32280)

Replacement Trail Repair Kit For Dana 30 And 44 With 1350 Size U/Joint And Straps

from

$481.99
Yukon replacement trail repair kit for Dana 30 and 44 with 1350 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
  • 1350 u-joint size
  • Kit includes yoke, U-joint, pinion seal, pinion nut and washer, straps, bolts and threadlocker
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Yukon Gear – Model 35 1310 Pinion Yoke, U-Bolt Type, With Conversion Seal (Part No.41170)

Model 35 1310 Pinion Yoke, U-Bolt Type, With Conversion Seal

from

$151.99
Model 35 1310 pinion yoke, U-bolt TYPE, with conversion seal. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring.

Product Features:
  • Fits AMC Model 35
  • 26 spline
  • 1310 u-joint size
  • 3.219″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • U-bolt style
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Motive Gear – Differential Ring and Pinion (Part No.D44-409)

Differential Ring and Pinion

from

$191.99


Product Features:
  • DANA-44 R/P 4.09 STD MG 22745-5X
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USA Standard Gear – Dana 44 Ring & Pinion Thick Gear Set Replacement (Part No.36045)

Dana 44 Ring & Pinion Thick Gear Set Replacement

from

$279.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits standard rotation Dana Spicer 44
  • 8.50″ ring gear diameter
  • 26 spline pinion
  • 10 ring gear bolts
  • 4.56 ratio
  • Thick gear for 3.73 and down carrier
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

from

$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Powertrax – Grip PRO Traction System (Part No.GT443527)

Grip PRO Traction System

from

$526.69
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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USA Standard Gear – Axle For Model 35 C/Clip Rear, Left Hand (Part No.35062)

Axle For Model 35 C/Clip Rear, Left Hand

from

$175.99
USA Standard axle for Model 35 c/clip rear, left hand. This axle has 27 splines and measures 30 11/16″ long.

Product Features:
  • Fits Jeep AMC Model 35 with c-clips
  • Left hand side
  • 27 spline
  • 30 11/16″ long
See More

Yukon Gear – 4340 Chrome Moly Alloy Axle For Model 35, HD, C/Clip, Drum Brakes, Left Hand (Part No.21722)

4340 Chrome Moly Alloy Axle For Model 35, HD, C/Clip, Drum Brakes, Left Hand

from

$304.99
4340 Chrome Moly alloy axle for Model 35, HD, C/clip, drum brakes, left hand. Yukon 4340 Chrome Moly alloy axles offer a strength increase over stock while retaining a low cost. Yukon 4340 Chrome Moly alloy rear axles come with a limited lifetime warranty against manufacturing defects.

Product Features:
  • 30 spline
  • 5 lug
  • 30 11/16″ long
  • Fits AMC Model 35 in 1990-2006 Jeep
  • Left hand side
  • 4340 Chromoly
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Dorman – Premium Ring and Pinion Master Bearing and Installation Kit (Part No.797-114)

Premium Ring and Pinion Master Bearing and Installation Kit

from

$209.99
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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LuK – Differential Repair Kit (Part No.GDK335)

Differential Repair Kit

from

$261.99
Product Features:
  • Each LuK GearBOX contains all the OE quality bearings needed for a professional transmission repair
  • LuK Differential Bearing Kits are designed to meet or exceed OEM requirements. This will ensure customer satisfaction.
  • LuK Differential Bearing Kits contain the bearings and seals needed to complete the job.
  • LuK Differential Bearing Kits include wear parts such as seals, O-rings, shaft sealing rings, support bearings and spare parts where necessary for eliminating the specific cause of failure.
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USA Standard Gear – Open Spider Gear Set For Dana Spicer 44, 30 Spline (Part No.39006)

Open Spider Gear Set For Dana Spicer 44, 30 Spline

from

$203.99
Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 open differential with 30 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Standard Open Spider Gear Kit For Model 35 With 27 Spline Axles – Hubs Have 1.625" Diameter (Part No.16129)

Standard Open Spider Gear Kit For Model 35 With 27 Spline Axles - Hubs Have 1.625" Diameter

from

$275.99
Yukon standard open spider gear kit for Model 35 with 27 spline axles. hubs have 1.625″ diameter (used in ’93 and older models). Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits AMC Model 35 open differential with 1.620″ side gear bore
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Omix – Spider Gear Set; D35; Trak-Loc (Part No.16507.32)

Spider Gear Set; D35; Trak-Loc

from

$362.99
Rebuilding your Jeep differentials? Are the spider gears worn? While everything is apart, it’s smart to replace worn gears. That will save the labor to do it again later. Or risk having the gear teeth break and ruin more parts.

Product Features:
  • With Trac-lock
  • OE Style
  • Direct Fit
See More

USA Standard Gear – Standard Spider Gear Set For Amc Model 35 With 1.560" Side Gear Bore (Part No.39030)

Standard Spider Gear Set For Amc Model 35 With 1.560" Side Gear Bore

from

$172.99
USA Standard Gear standard spider gear set for AMC Model 35 with 1.560″ side gear bore. (used in ’94 and newer models).

Product Features:
  • Fits AMC Model 35 with open differential and 1.560″ side gear bore
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Pro-King – Differential Pinion Nut (Part No.764A961)

Differential Pinion Nut

from

$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Omix – Pinion Nut; Dana 35; 76-17 Jeep (Part No.16584.03)

Pinion Nut; Dana 35; 76-17 Jeep

from

$9.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
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Dorman – Differential Cover (Part No.697-707)

Differential Cover

from

$61.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

aFe POWER – Differential Cover (Part No.46-71011B)

Differential Cover

from

$581.99
aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
See More

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

Replacement Chrome Cover For Dana 30 Standard Rotation

from

$52.99
Product Features:
  • Fits standard rotation Dana Spicer 30
  • Chrome
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Most Popular Differential Pinion Seals for 2018 Jeep Wranglers

Enhance your 2018 Jeep Wrangler with one of the 4 Differential Pinion Seals we have in stock, starting at just $32.99.

Yukon Gear – Dana 44 JK Rubicon Replacement Rear Pinion Seal (Part No.30125)

Dana 44 JK Rubicon Replacement Rear Pinion Seal

from

$32.99
Dana 44 JK Rubicon replacement rear pinion seal.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Jeep JK rear
See More

Yukon Gear – Pinion Seal (Part No.30914)

Pinion Seal

from

$46.99
Pinion Seal

Yukon Gear – Pinion Seal (Part No.30915)

Pinion Seal

from

$46.99
Pinion Seal

Yukon Gear – Pinion Seal (Part No.30916)

Pinion Seal

from

$42.99
Pinion Seal

Best-Selling 2018 Jeep Wrangler Differential Axle Shafts

Upgrade your Wrangler with one of our 7 best-selling Differential Axle Shafts, earning an average 4 stars rating across 1 reviews.

Richmond Gear – Axle Shaft (Part No.92-31225)

Axle Shaft

from

$229.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Product Features:
  • Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
  • Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
  • EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
  • EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
  • All EXCel drivetrain products are backed by our one year warranty.
See More

Dorman – Axle Shaft Kit, 4340 (Part No.630-428)

Axle Shaft Kit, 4340

from

$482.99
Axle shaft damaged or bearings worn out? This axle shaft assembly directly replaces the original equipment on certain vehicles, ready for install right out of the box.

Product Features:
  • Direct replacement – this axle shaft assembly replaces the original equipment on specific vehicle years, makes and models
  • Ready to install – comes pre-assembled for simple installation with no further assembly required
  • 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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Dorman – Axle Shaft Kit, 4340 (Part No.630-429)

Axle Shaft Kit, 4340

from

$435.99
Axle shaft damaged or bearings worn out? This axle shaft assembly directly replaces the original equipment on certain vehicles, ready for install right out of the box.

Product Features:
  • Direct replacement – this axle shaft assembly replaces the original equipment on specific vehicle years, makes and models
  • Ready to install – comes pre-assembled for simple installation with no further assembly required
  • 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
See More

Yukon Gear – Dana 44 Right Hand Front Axle Assembly Replacement (Part No.21457)

Dana 44 Right Hand Front Axle Assembly Replacement

from

$677.99
Yukon Right Hand replacement front axle assembly for Dana 44 JK Rubicon. Yukon front axles come with a one year warranty against manufacturing defects.

Product Features:
  • 39 7/8″ long
  • Fits Jeep JK Rubicon front
  • Right hand side
  • Complete assembly
See More

Yukon Gear – Rear Axle For Non-Rubicon Dana 44 JK With 30 Splines – For Left Or Right Hand Axle (Part No.21449)

Rear Axle For Non-Rubicon Dana 44 JK With 30 Splines - For Left Or Right Hand Axle

from

$383.99
Yukon replacement rear axle for Non-Rubicon Dana 44 JK with 30 splines. for left or Right hand axle. Yukon rear axles come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Jeep JK non-Rubicon rear
  • 30 spline
  • 32″ long
See More

Richmond Gear – Axle Shaft (Part No.92-31296)

Axle Shaft

from

$297.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Product Features:
  • Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
  • Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
  • EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
  • EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
  • All EXCel drivetrain products are backed by our one year warranty.
See More

Richmond Gear – Axle Shaft (Part No.92-31295)

Axle Shaft

from

$247.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Product Features:
  • Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
  • Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
  • EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
  • EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
  • All EXCel drivetrain products are backed by our one year warranty.
See More

Top-Quality Differential Covers for 2018 Jeep Wranglers

Choose a high-quality OEM or aftermarket Differential Cover for Jeep Wranglers and enjoy top-notch performance from $76.99.

Dorman – Differential Cover Assembly (Part No.697-726)

Differential Cover Assembly

from

$98.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Differential Cover Assembly (Part No.697-728)

Differential Cover Assembly

from

$82.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

aFe POWER – Differential Cover (Part No.46-71011B)

Differential Cover

from

$581.99
aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
See More

aFe POWER – Differential Cover (Part No.46-71000R)

Differential Cover

from

$536.99
aFe Power’s new rear differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and a red powder coated finish with machined fins for maximum strength and styling. This cover comes with all necessary hardware for easy installation. The Pro Series differential covers include a oil level sight glass. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a magnetic drain plug to capture loose particles for maximum front-end protection. Also included is a 1/8″ NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
See More

aFe POWER – Differential Cover (Part No.46-71010R)

Differential Cover

from

$536.99
aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and machined fins for maximum strength and styling. This cover comes with all necessary hardware for easy installation. The Pro Series differential covers include a oil level sight glass. This cover has about a 2 quart lube capacity at the factory line. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a magnetic drain plug to capture loose particles for maximum front-end protection. Also included is a 1/8″ NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
See More

aFe POWER – Differential Cover (Part No.46-71010B)

Differential Cover

from

$514.99
aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and machined fins for maximum strength and styling. This cover comes with all necessary hardware for easy installation. The Pro Series differential covers include a oil level sight glass. This cover has about a 2 quart lube capacity at the factory line. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a magnetic drain plug to capture loose particles for maximum front-end protection. Also included is a 1/8″ NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
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aFe POWER – Differential Cover (Part No.46-71000B)

Differential Cover

from

$514.99
aFe Power’s new rear differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and a black powder coated finish with machined fins for maximum strength and styling. This cover comes with all necessary hardware for easy installation. The Pro Series differential covers include a oil level sight glass. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a magnetic drain plug to capture loose particles for maximum front-end protection. Also included is a 1/8″ NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain and Fill Plugs Capture Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Oil Level Sight Glass for Quick/Easy Inspection
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aFe POWER – Differential Cover (Part No.46-71010A)

Differential Cover

from

$444.99
aFe Power’s new front differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and machined fins for maximum strength and styling. This cover comes with all necessary hardware for easy installation. This cover fits 18-20 Jeep Wrangler (JL) Sport Dana M186 12 bolt front axles. This cover has about a 2 quart lube capacity at the factory line. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a magnetic drain plug to capture loose particles for maximum front-end protection. Also included is a 1/8″ NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain Plug Captures Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Built-In External and Internal Fins Dissipate Heat
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aFe POWER – Differential Cover (Part No.46-71000A)

Differential Cover

from

$444.99
aFe Power’s new rear differential cover brings performance engineering to the protection of your axle’s differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs and machined fins for maximum strength and styling. This cover comes with all necessary hardware for easy installation. This cover fits 18-20 Jeep Wrangler (JL) with Dana M220 12 bolt rear axles. Built-in internal and external fins transfer heat from the fluid to the outside air for maximum cooling. This system incorporates a magnetic drain plug to capture loose particles for maximum rear-end protection. Also included is a 1/8″ NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling.

Product Features:
  • Durable Cast Aluminum
  • Magnetic Drain Plug Captures Loose Particles
  • Calibration Plug Set to Factory Fill Level Eliminates Overfilling
  • Built-In External and Internal Fins Dissipate Heat
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Yukon Gear – Differential (Part No.29103)

Differential

from

$257.99
Differential

Rancho – RockGEAR Differential Cover (Part No.RS62119)

RockGEAR Differential Cover

from

$238.99
Product Features:
  • COMPATIBILITY – Fits Jeep Wrangler JL, Dana 44
  • BUILT FOR THE TRAIL – Protects differential cover from rocks and other obstacles while off-roading, rock crawling and trail riding
  • ADDED PROTECTION – Mounts to Dana 44 front differential for added axle and internal gear protection
  • EXTRA STRENGTH – Ribbed external construction for added strength
  • RESISTS CORROSION – Durable red powder-coat finish resists rust and corrosion
  • ENGINEERED TO LAST – High-strength ductile iron steel construction for added axle and internal gear protection
  • ACCESS FOR FILLING – Off-set, oversized fill plug for increased fluid capacity and easier/quicker filling
  • BUY WITH CONFIDENCE – Comes with Rancho’s limited warranty
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Rancho – RockGEAR Differential Cover (Part No.RS62120)

RockGEAR Differential Cover

from

$238.99
Product Features:
  • COMPATIBILITY – Fits Jeep Wrangler JL and Ford Bronco (excludes Bronco Sport), Dana 44
  • BUILT FOR THE TRAIL – Protects differential cover from rocks and other obstacles while off-roading, rock crawling and trail riding
  • ADDED PROTECTION – Mounts to Dana 44 front differential for added axle and internal gear protection
  • EXTRA STRENGTH – Ribbed external construction for added strength
  • RESISTS CORROSION – Durable red powder-coat finish resists rust and corrosion
  • ENGINEERED TO LAST – High-strength ductile iron steel construction for added axle and internal gear protection
  • ACCESS FOR FILLING – Off-set, oversized fill plug for easier/quicker filling
  • BUY WITH CONFIDENCE – Comes with Rancho’s limited warranty
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Dorman – Differential Cover Assembly (Part No.697-729)

Differential Cover Assembly

from

$76.99
This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:
  • Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
  • Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
  • Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
  • 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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Top Picks for 2018 Jeep Wrangler Differential Oil

Invest in one of our 7 durable Differential Oil for your 2018 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 104361
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Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon (Part No.887344)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon

from

$69.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
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Castrol – Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart (Part No.15A9FA)

Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart

from

$14.79
Product Features:
  • Technologically advanced, full synthetic formulation provides superior transmission life
  • Engineered with superior base oils to ensure superb low and high temperature performance
  • Certified and approved for all Chrysler cars and trucks that require ATF+4«, Mopar ATF+3«, ATF+2«, ATF+2 Type 7176«, or ATF+«
  • Meets or Exceeds Fiat Chrysler ATF+4« requirements.
  • Packaged in a convenient 1-quart size for easy handling and precise application during maintenance.
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Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

from

$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
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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
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

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

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Our Differential Cover Bolts for 2018 Jeep Wranglers

Make a smart move for your 2018 Jeep Wrangler with our Differential Cover Bolt for $2.99.

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

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

from

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

Product Features:
  • Manufactured From High Quality Material
  • Engineered To The Specifications
  • Meets The Quality Standards
  • Designed For Performance And Durability
  • Easy To Install
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Top-Rated Differential Brands For Your 2018 Jeep Wrangler

When it comes to finding the perfect Differential for your 2018 Jeep Wrangler, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including Castrol, Mobil Oil, and Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.9 stars) and competitive prices, as low as $14.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2018 Jeep Wrangler, providing peace of mind with parts that meet or exceed OEM standards.

Popular Castrol 2018 Jeep Wrangler Differentials

If you’re looking for a top-quality Differential for your 2018 Jeep Wrangler, Advance Auto Parts has exactly what you need with our selection of Castrol Differentials. We have 1 Castrol Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.79, you’ll find the perfect Differential for your needs and budget. Castrol Differentials for the 2018 Jeep Wrangler come highly rated, with over 146 customer reviews and an impressive average rating of 4.9 stars. Choosing a Castrol Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality Mobil Oil 2018 Jeep Wrangler Differentials

For those in search of a high-quality Differential for their 2018 Jeep Wrangler, Advance Auto Parts offers a great selection of Mobil Oil Differentials. With 1 Mobil Oil 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 $19.99, giving you a range of options to suit your budget. Backed by over 448 customer ratings and an average rating of 4.9 stars, Mobil Oil Differentials provide both reliability and excellent performance. Choosing a Mobil Oil Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2018 Jeep Wrangler Differentials

What are the best-selling Differentials for 2018 Jeep Wranglers?

Out of 59 Differentials that fit 2018 Jeep Wranglers, the following parts are the top sellers:

What’s the price range for 2018 Jeep Wrangler Differentials?

The prices of Differentials for the 2018 Jeep Wrangler range from $2.99 up to $677.99 for the most premium parts.

What is the average price of a Differential for a 2018 Jeep Wrangler?

The average price for Differentials for the 2018 Jeep Wrangler is $267.68. 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 Wrangler model years?

Yes, we carry Differentials for 36 model years of Jeep Wranglers between 1987 and 2025. The following model years are the most popular for Differential purchases: 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, and 2014.

What are the cheapest Differentials for my 2018 Jeep Wrangler?

Does Advance Auto Parts sell Differentials for any other 2018 Jeep models?

Yes. We stock Differentials for 3 other popular 2018 Jeep models. Some of the most popular are 2018 Grand Cherokee Differentials, 2018 Cherokee Differentials, 2018 Compass Differentials, and 2018 Renegade Differentials.

What are the top-rated Differentials that fit the 2018 Jeep Wrangler?

The one 2018 Jeep Wrangler Differential we have in stock is the Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8" L, Hex Head, Steel, Single. It costs $2.99.

What types of Differentials do you sell for my 2018 Jeep Wrangler?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 2018 Jeep Wrangler:

Can I get help with 2018 Jeep Wrangler 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 Wrangler Differentials?

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