2004 Ford Explorer Differentials

Keep Your 2004 Ford Explorer in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2004 Ford Explorer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Pinion Seals, 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 Motive Gear, National, and Royal Purple. For example, Motive Gear Differentials start at just $2.99 with an average 4.0 star rating. National and Royal Purple offer similar pricing and quality, backed by strong customer feedback. With over 2,044 reviews and a solid 4 star average, you can shop with confidence knowing other Ford Explorer owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 Ford Explorer Differential at Advance Auto Parts is around $181.73, with a range that starts at $1.29 and goes up to $1,303.99. With 199 options in stock from 18 trusted brands, finding the right fit is easy. Popular picks like DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart, and Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart start at just $11.99 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 Universal Joints. At Advance Auto Parts, we’re here to help you keep your 2004 Ford Explorer in peak condition, inside and out.

Essential 2004 Ford Explorer Differentials

Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Differential Pinion Shim Kit

from

$7.99
High-quality Differential Component Shim

Product Features:
  • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
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Richmond Gear – Differential Cross Shaft (Part No.CSPF88L)

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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Motive Gear – Differential Carrier Gear Kit (Part No.F8.8BI)

Differential Carrier Gear Kit

from

$96.99


Product Features:
  • FRD 8.8″ INT. KIT 31 SPL OPEN 1987 & LATER ONLY
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Yukon Gear – Zip Locker Switch (Part No.34015)

Zip Locker Switch

from

$16.99
ZIP locker switch.

Product Features:
  • Switch
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Motive Gear – Differential Clutch Pack (Part No.F8.8CPK)

Differential Clutch Pack

from

$123.99


Product Features:
  • CLUTCH PACK KIT 8.8″ FORD 1 KIT PER UNIT
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Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

Tapered Roller Bearing

from

$17.49
Product Features:
  • Brand may vary by location
See More

Yukon Gear – Crush Sleeve (Part No.33085)

Crush Sleeve

from

$9.99
Crush Sleeve for Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9 3/8″, 9″ & 9.75″. .480″ long.

Product Features:
  • Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
  • 0.480″ tall
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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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USA Standard Gear – Standard Spider Gear Set For Ford 8.8", 31 Spline (Part No.39016)

Standard Spider Gear Set For Ford 8.8", 31 Spline

from

$209.99
Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 31 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Richmond Gear – MiniSpool (Part No.78-8831-1)

MiniSpool

from

$151.99
MiniSpool

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
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Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

8.8" Ford Cover Gasket

from

$12.99
8.8″ Ford cover gasket.

Product Features:
  • Cover gasket
  • Fits Ford 8.8″
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National – Axle Differential Bearing & Seal Kit (Part No.RA-311MK)

Axle Differential Bearing & Seal Kit

from

$112.99
The National bearing & seal kit includes all the components required to complete the repair.

Product Features:
  • COMPLETE SOLUTION – Includes everything needed to complete the repair
  • STRONG AND DURABLE – Controlled heat treatment process for strength and durability
  • 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
  • Professional technicians know they can depend on National
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Yukon Gear – Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50 (Part No.33011)

Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50

from

$5.99
Product Features:
  • Outer oil slinger for Dana Spicer 25, 27, 30, 44 and 50
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Yukon Gear – Pinion Nut (Part No.33154)

Pinion Nut

from

$7.99
Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.

Product Features:
  • Pinion nut for Ford 7.5″, 8″ and 9″
  • 3/4″ x 20 thread
  • 1 1/6″ socket
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Powertrax – No-Slip Traction System (Part No.9204352706)

No-Slip Traction System

from

$519.99
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

    Yukon Gear – 0.260" Diameter Cross Pin Roll Pin For 8.75" Chrysler, 8", 9" Ford, And Model 20 And 35 (Part No.33334)

    0.260" Diameter Cross Pin Roll Pin For 8.75" Chrysler, 8", 9" Ford, And Model 20 And 35

    from

    $5.99
    0.260″ diameter cross pin roll pin for 8.75″ Chrysler, 8″, 9″ Ford, and Model 20 and 35.

    Product Features:
    • Roll pin for Chrysler 8.75″, Ford 8″ and 9″, AMC Model 20 and Model 35
    • 0.260″ diameter
    See More

    Yukon Gear – Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford (Part No.33300)

    Side Gear And Thrust Washer (0.875" Shaft) For 8.8" Ford

    from

    $11.99
    Side gear thrust washer (0.875″ shaft) for 8.8″ Ford.

    Product Features:
    • Side gear thrust washer for Ford 8.8″
    • 0.875″ diameter cross pin shaft applications only
    See More

    Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

    Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

    from

    $3.99
    Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

    Product Features:
    • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
    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 – O-Ring For Dana 30 & Model 35 Zip Locker Seal Housing (Part No.34005)

    O-Ring For Dana 30 & Model 35 Zip Locker Seal Housing

    from

    $13.99
    Product Features:
    • O-ring for seal housing
    • Fits Dana Spicer 30 and AMC Model 35
    See More

    National – Bearing Race (Part No.LM67010)

    Bearing Race

    from

    $4.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    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 Ford 8.8" Differential (Part No.13041)

    Pinion Install Kit For Ford 8.8" Differential

    from

    $167.99
    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 2009 and down Ford 8.8″
    • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
    See More

    Pro-King – Differential Internal Nest Kit (Part No.762B717)

    Differential Internal Nest Kit

    from

    $239.99
    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

    Sealed Power – Engine Auxiliary Shaft Bearing Set (Part No.1881M)

    Engine Auxiliary Shaft Bearing Set

    from

    $36.99
    Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

    Product Features:
    • Steel-backed Babbitt lining material
    • Used in automotive and high-performance
    • Babbitt is designed to perform under extreme loads without damaging other engine parts
    • Babbitt is more environmentally friendly than other material
    • ISO & QS certified manufacturing
    See More

    Yukon Gear – Mini Spool For Ford 8.8" With 31 Spline Axles (Part No.32226)

    Mini Spool For Ford 8.8" With 31 Spline Axles

    from

    $194.99
    Mini Spool for Ford 8.8″ with 31 spline axles and 7/8″ cross pin. 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 Ford 8.8″ with 31 spline axles
    • Provides 100% traction to both wheels at all times
    • Installs into standard open carrier case
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    Dorman – Differential Pinion Yoke Assembly (Part No.697-532)

    Differential Pinion Yoke Assembly

    from

    $194.99
    Worn or damaged differential end yoke causing driveline vibrations? This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

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

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

    Differential Pinion Seal

    from

    $17.49
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
    See More

    Most Popular Differential Bearings for 2004 Ford Explorers

    Enhance your 2004 Ford Explorer with one of the 11 Differential Bearings we have in stock, starting at just $6.99.

    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

    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 – Tapered Roller Bearing Cone (Part No.LM603049)

    Tapered Roller Bearing Cone

    from

    $11.79
    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

    FAG US – Cone (Part No.KNP343847)

    Cone

    from

    $59.99
    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

    National – Bearings (Part No.LM603019)

    Bearings

    from

    $49.99
    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

    FAG US – Bearing – DGBB (Deep Groove Ball Bearing) (Part No.6208-C3)

    Bearing - DGBB (Deep Groove Ball Bearing)

    from

    $24.79
    We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

    Product Features:
    • Radial Ball Bearing, Both Sides Shield.
    • Coverage of classic and new high-tech solutions for the best system coverage
    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.M88010)

    Cup

    from

    $11.29
    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

    Yukon Gear – Cross Pin Bolt (Part No.33067)

    Cross Pin Bolt

    from

    $6.99
    Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

    Product Features:
    • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
    See More

    Best-Selling 2004 Ford Explorer Differential Pinion Seals

    Upgrade your Explorer with one of our 7 best-selling Differential Pinion Seals, earning an average 1 stars rating across 1 reviews.

    Driveworks – Oil Seal (Part No.S-3604)

    Oil Seal

    from

    $5.99
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Driveworks – Oil Seal (Part No.S-714675)

    Oil Seal

    from

    $10.99
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

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

    Differential Pinion Seal

    from

    $17.49
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
    See More

    FAG US – Shaft Seal (Part No.SS2876)

    Shaft Seal

    from

    $23.79
    Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    FAG US – Shaft Seal (Part No.SS2852)

    Shaft Seal

    from

    $20.99
    Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    FAG US – Shaft Seal (Part No.SS2865)

    Shaft Seal

    from

    $15.99
    Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    Yukon Gear – Pinion Seal For 7.5", 8.8", And 9.75" Ford, And Also 1985-’86 9" Ford (Part No.30037)

    Pinion Seal For 7.5", 8.8", And 9.75" Ford, And Also 1985-'86 9" Ford

    from

    $8.99
    Pinion seal for 7.5″, 8.8″, and 9.75″ Ford, and also 1985-’86 9″ Ford.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits Ford 7.5″, 8.8″ and some 9.75″
    • 2.785″ O.D.
    See More

    Top-Quality Differential Covers for 2004 Ford Explorers

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

    Yukon Gear – Steel Cover For Ford 8.8" (Part No.32328)

    Steel Cover For Ford 8.8"

    from

    $99.99
    Yukon outer stub axle for Chrysler 9.25″ front. This axle uses a 1485 u/joint and has 33 splines.

    Product Features:
    • Fits Ford 8.8″
    • Steel
    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
    See More

    Top Picks for 2004 Ford Explorer Rear Differential Cover Gaskets

    Invest in one of our 4 durable Rear Differential Cover Gaskets for your 2004 Ford, knowing you’re getting trusted brands and expert craftsmanship.

    Felpro – Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 55460)

    Axle Housing Cover Gasket Round Shaped 10 Bolt Hole Gasket

    from

    $8.99
    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

    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

    Mr. Gasket – Differential Gasket (Part No.142)

    Differential Gasket

    from

    $23.99
    Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit.

    Product Features:
    • .047″ thick cellulose/nitrile composite gasket material
    • Precision die cut
    • Reusable
    See More

    Yukon Gear – 8.8" Ford Cover Gasket (Part No.23011)

    8.8" Ford Cover Gasket

    from

    $12.99
    8.8″ Ford cover gasket.

    Product Features:
    • Cover gasket
    • Fits Ford 8.8″
    See More

    Top-Rated Differential Oil for 2004 Ford Explorers

    Make a smart move for your 2004 Ford Explorer with products all priced from $10.29 to $148.99.

    Royal Purple – High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (Part No.51530)

    High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart

    from

    $41.99
    Royal Purple Motor Oil is a specially formulated multi viscocity oil for use in gasoline and diesel engines of all types from cars and trucks to SUVs, motorcycles and boats. Royal Purple(R) Motor Oil with Synerlec(R) additive technology reduces friction, which results in a 1-3 percent increase in horsepower, lowers operating temperatures, provides superior corrosion protection, improves fuel economy, reduces emissions and extends oil life. A.P.I. Certified.

    Product Features:
    • Better wear protection
    • Increased fuel efficiency
    • Better protection of the expensive catalytic emission system
    • Improved compatibility with fuels containing ethanol
    • Superior corrosion protection
    • Meets ILSAC GF-5 and Dexos1 performance requirements
    See More

    Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

    DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

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    $14.49
    Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

    Product Features:
    • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

    DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

    from

    $11.99
    Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

    Product Features:
    • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
    • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    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

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

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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    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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    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-Rated Differential Brands For Your 2004 Ford Explorer

    When it comes to finding the perfect Differential for your 2004 Ford Explorer, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 18 trusted brands. We carry the most popular Differential brands including Royal Purple, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $2.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2004 Ford Explorer, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Royal Purple 2004 Ford Explorer Differentials

    If you’re looking for a top-quality Differential for your 2004 Ford Explorer, Advance Auto Parts has exactly what you need with our selection of Royal Purple Differentials. We have 1 Royal Purple Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $41.99, you’ll find the perfect Differential for your needs and budget. Royal Purple Differentials for the 2004 Ford Explorer come highly rated, with over 133 customer reviews and an impressive average rating of 4.8 stars. Choosing a Royal Purple Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

    Top-Quality National 2004 Ford Explorer Differentials

    For those in search of a high-quality Differential for their 2004 Ford Explorer, Advance Auto Parts offers a great selection of National Differentials. With 2 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 $8.64, giving you a range of options to suit your budget. Backed by over 6 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 $9.29
    (2)
    Bearing Race
    “Reasonable price and woks well. front diff 2006 Escalade esv”

    FAQs for 2004 Ford Explorer Differentials

    What are the best-selling Differentials for 2004 Ford Explorers?

    Out of 199 Differentials that fit 2004 Ford Explorers, the following parts are the top sellers:

    What’s the price range for 2004 Ford Explorer Differentials?

    The prices of Differentials for the 2004 Ford Explorer range from $1.29 up to $1,303.99 for the most premium parts.

    What is the average price of a Differential for a 2004 Ford Explorer?

    The average price for Differentials for the 2004 Ford Explorer is $181.73. 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 Ford Explorer model years?

    Yes, we carry Differentials for 33 model years of Ford Explorers between 1991 and 2025. The following model years are the most popular for Differential purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

    What are the cheapest Differentials for my 2004 Ford Explorer?

    The cheapest 2004 Ford Explorer Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 2004 Ford models?

    Yes. We stock Differentials for 25 other popular 2004 Ford models. Some of the most popular are 2004 F-150 Differentials, 2004 Mustang Differentials, 2004 E-250 Econoline Differentials, 2004 E-350 Econoline Differentials, and 2004 Thunderbird Differentials.

    What are the top-rated Differentials that fit the 2004 Ford Explorer?

    The one 2004 Ford Explorer Differential we have in stock is the Differential Ring Gear Bolt. It costs $1.29.

    What types of Differentials do you sell for my 2004 Ford Explorer?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 2004 Ford Explorer:

    Can I get help with 2004 Ford Explorer Differential orders?

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

    What is your return policy for Ford Explorer Differentials?

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