1998 Mazda B4000 Differentials

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Keep Your 1998 Mazda B4000 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1998 Mazda B4000 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Bearings, 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 Dorman. For example, Motive Gear Differentials start at just $7.99 with an average 4.0 star rating. National and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 638 reviews and a solid 4 star average, you can shop with confidence knowing other Mazda B4000 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1998 Mazda B4000 Differential at Advance Auto Parts is around $298.74, with a range that starts at $1.29 and goes up to $2,064.99. With 198 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket, Differential Cover, and 3 Qt – 80W90 Conventional Gear Oil With Posi Additive start at just $15.99 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 1998 Mazda B4000 in peak condition, inside and out.

Essential 1998 Mazda B4000 Differentials

Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R7.5FRSK)

Differential Super Bearing Kit - Koyo

from

$113.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • KIT, SUPER BRG & SEAL-FORD 7.5
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Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

from

$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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Yukon Gear – Grizzly Locker, Ford 8.8" With 31 Splines (Part No.28031)

Grizzly Locker, Ford 8.8" With 31 Splines

from

$1099.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:
  • Fits Ford 8.8″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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USA Standard Gear – Master Overhaul Kit for ’09 & Down Ford 8.8" Differential. (Part No.37030)

Master Overhaul Kit for '09 & Down Ford 8.8" Differential.

from

$201.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits 2009 and down Ford 8.8″
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
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Yukon Gear – Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33297)

Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford

from

$8.99
Pinion gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:
  • Pinion gear thrust washer
  • Fits Ford 8.8″
  • 0.750″ I.D.
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Motive Gear – Differential Ring and Pinion (Part No.F8.8-488)

Differential Ring and Pinion

from

$356.99


Product Features:
  • FORD 10BL 8.8 R/P 4.88
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Yukon Gear – Standard Open Spider Gear Kit For 7.5" Ford With 28 Spline Axles (Part No.16014)

Standard Open Spider Gear Kit For 7.5" Ford With 28 Spline Axles

from

$214.99
Yukon standard open spider gear kit for 7.5″ Ford with 28 spline axles. 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
  • Fit Ford 7.5″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Dura Grip Positraction For Ford 8.8" With 31 Spline Axles (Part No.26006)

Dura Grip Positraction For Ford 8.8" With 31 Spline Axles

from

$857.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits Ford 8.8″ with 31 spline axles
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

from

$59.99
Product Features:
  • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
  • Interlocking design makes installation much easier
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Yukon Gear – Crush Sleeve (Part No.33093)

Crush Sleeve

from

$10.99
Crush Sleeve for Model 35, Chrysler 7.25″, 8.25″ Ford 8″ & GM 7.75″. Approx 0.495″ long.

Product Features:
  • Crush sleeve for AMC Model 35, Chrysler 7.25″ and 8.25″, Ford 8″ and GM 7.75″
  • 0.495″ tall
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Richmond Gear – Differential Cross Shaft (Part No.80-0273-1)

Differential Cross Shaft

from

$64.99
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 – Bearing Race Driver (Part No.56015)

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM88610 race
  • All steel construction
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Yukon Gear – The Carrier Bearing Puller (Part No.56072)

The Carrier Bearing Puller

from

$883.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
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Yukon Gear – Ppinion Nut 7/8-20 Thread, 1 1/8 Socket (Part No.33146)

Ppinion Nut 7/8-20 Thread, 1 1/8 Socket

from

$10.99
Replacement pinion nut for Model 20 & 35, Dana 30 JK, 44 JK front, Ford 10.25″, 10.5″ & some 9.75″. 7/8-20 thread, 1 1/8 socket.

Product Features:
  • Pinion nut for Jeep JK front, Jeep Liberty front, Ford 9.75″, 10.25″, 10.5″ and AMC Model 20 and Model 35
  • 7/8″ x 20 thread
  • 1 1/8″ socket
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Yukon Gear – Chrome Cover For 8.8" Ford (Part No.32009)

Chrome Cover For 8.8" Ford

from

$74.99
Chrome cover for 8.8″ Ford.

Product Features:
  • Fits Ford 8.8″
  • Chrome
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Yukon Gear – Carrier Installation Kit For Ford 8.8" Differential (Part No.57007)

Carrier Installation Kit For Ford 8.8" Differential

from

$134.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Ford 8.8″ differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits Ford 8.8″
  • Includes carrier bearings and races and “super” carrier shim kit
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Yukon Gear – 7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver (Part No.30226)

7.5", 8", 8.8", 9", 10.25" Ford Redi Sleeve Yoke Saver

from

$30.99
7.5″, 8″, 8.8″, 9″, 10.25″ Ford REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:
  • Redi-Sleeve yoke saver
  • Fits Ford 7.5″, 8.8″, 9″ and 10.25″
See More

Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

from

$8.99
Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

Product Features:
  • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
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Yukon Gear – Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33298)

Side Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford

from

$6.99
Side gear thrust washer (0.750″ shaft) for 8.8″ Ford.

Product Features:
  • Side gear thrust washer for Ford 8.8″
  • 0.750″ diameter cross pin shaft applications only
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Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

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

Product Features:
  • Brand may vary by location
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Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4105)

Differential Pinion Solid Spacer Kit w/Shims

from

$22.79


Product Features:
  • FORD 9″ SOLID SPACER KIT
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Yukon Gear – Dura Grip Positraction For Ford 8.8" With 28 Spline Axles (Part No.26005)

Dura Grip Positraction For Ford 8.8" With 28 Spline Axles

from

$834.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits Ford 8.8″ with 28 spline axles
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
See More

Motive Gear – Differential Mini Spool (Part No.MS88-28)

Differential Mini Spool

from

$98.99


Product Features:
  • MINI SPOOL 8.8 FORD 28SPL
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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
See More

Yukon Gear – Trao Loc Spring For Ford 8.8", 28 Spline (Part No.33515)

Trao Loc Spring For Ford 8.8", 28 Spline

from

$63.99
Product Features:
  • Trac Loc spring
  • Fits 28 spline Ford 8.8
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Yukon Gear – Trac Loc Spring For Ford 7.5" (Part No.33514)

Trac Loc Spring For Ford 7.5"

from

$67.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 in

Product Features:
  • Trac Loc spring
  • Fits Ford 7.5″
See More

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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USA Standard Gear – Standard Spider Gear Set For Ford 8.8", 28 Spline (Part No.39015)

Standard Spider Gear Set For Ford 8.8", 28 Spline

from

$209.99
Product Features:
  • Spider gear kit
  • Fits Ford 8.8″ 28 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
See More

Most Popular Differential Pinion Seals for 1998 Mazda B4000s

Enhance your 1998 Mazda B4000 with one of the 4 Differential Pinion Seals we have in stock, starting at just $8.99.

National – Multi-Purpose Seal (Part No.714675)

Multi-Purpose Seal

from

$20.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
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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
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Yukon Gear – Replacement Pinion Seal For Dana 28 (Part No.30305)

Replacement Pinion Seal For Dana 28

from

$31.99
Replacement pinion seal for Dana 28 .Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Dana Spicer 28
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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.
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Best-Selling 1998 Mazda B4000 Differential Bearings

Upgrade your B4000 with one of our 5 best-selling Differential Bearings, earning an average 4.5 stars rating across 4 reviews.

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

Taper Bearing Cone

from

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

Product Features:
  • Brand may vary by location
See More

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

Multi-Purpose Bearing

from

$27.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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National – Multi-Purpose Bearing (Part No.206)

Multi-Purpose Bearing

from

$24.99
Product Features:
  • BUILT TO LAST: Advanced heat treatment process for strength
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
  • RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT36)

Bearing - TRB (Tapered Roller Bearing)

from

$34.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

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

Top-Quality Differential Covers for 1998 Mazda B4000s

Choose a high-quality OEM or aftermarket Differential Cover for Mazda B4000s and enjoy top-notch performance from $37.99.

Dorman – Differential Cover (Part No.697-710)

Differential Cover

from

$65.99
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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Dorman – Differential Cover (Part No.697-702)

Differential Cover

from

$41.99
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

ATP – DIFF COVER KIT (Part No.111103)

DIFF COVER KIT

from

$37.99
DIFF COVER KIT

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
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Yukon Gear – DiffrlCover (Part No.32364)

DiffrlCover

from

$99.99
DiffrlCover

Yukon Gear – Chrome Cover For 8.8" Ford (Part No.32009)

Chrome Cover For 8.8" Ford

from

$74.99
Chrome cover for 8.8″ Ford.

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

Yukon Gear – Chrome Cover For 7.5" Ford (Part No.32008)

Chrome Cover For 7.5" Ford

from

$42.99
Chrome cover for 7.5″ Ford.

Product Features:
  • Fits Ford 7.5″
  • Chrome
See More

Top Picks for 1998 Mazda B4000 Differential Oil

Invest in one of our 6 durable Differential Oil for your 1998 Mazda, knowing you’re getting trusted brands and expert craftsmanship.

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

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil With Posi Additive

from

$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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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
See More

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

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

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

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

Top-Rated Rear Differential Cover Gaskets for 1998 Mazda B4000s

Make a smart move for your 1998 Mazda B4000 with products all priced from $9.99 to $15.99.

Felpro – Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket (Part No.RDS 55341)

Axle Housing Cover Gasket Rectangular Shaped, 10 Bolt Hole Gasket

from

$15.99
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
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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″
See More

Yukon Gear – 7.5" Ford Cover Gasket (Part No.23009)

7.5" Ford Cover Gasket

from

$9.99
7.5″ Ford cover gasket.

Product Features:
  • Cover gasket
  • Fits Ford 7.5″
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Top-Rated Differential Brands For Your 1998 Mazda B4000

When it comes to finding the perfect Differential for your 1998 Mazda B4000, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including National, Dorman, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1998 Mazda B4000, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1998 Mazda B4000 Differentials

If you’re looking for a top-quality Differential for your 1998 Mazda B4000, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99 and an average cost of $69.99, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1998 Mazda B4000 come highly rated, with over 7 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Axle Differential Bearing & Seal Kit
from $169.99
(4)
Axle Differential Bearing & Seal Kit
“Complete kit with for my rebuild. I was lucky to get awesome service from the salesman. Parts were very reasonable price-wise.”
Multi-Purpose Bearing
from $27.99
(1)
Multi-Purpose Bearing
“great price”
Bearing Race
from $11.99
(2)
Bearing Race
“Reasonable price and woks well. front diff 2006 Escalade esv”

Top-Quality Dorman 1998 Mazda B4000 Differentials

For those in search of a high-quality Differential for their 1998 Mazda B4000, Advance Auto Parts offers a great selection of Dorman Differentials. With 2 Dorman 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 $41.99, with an average price of $53.99, giving you a range of options to suit your budget. Backed by over 36 customer ratings and an average rating of 4.2 stars, Dorman Differentials provide both reliability and excellent performance. Choosing a Dorman Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Differential Cover
from $41.99
(34)
Differential Cover
“does not look like this in box, its black powder coated , this view is from the inside . there is a magnet in the diff cover”
Differential Cover
from $65.99
(2)
Differential Cover
“It fits.”

FAQs for 1998 Mazda B4000 Differentials

What are the best-selling Differentials for 1998 Mazda B4000s?

Out of 198 Differentials that fit 1998 Mazda B4000s, the following parts are the top sellers:

What’s the price range for 1998 Mazda B4000 Differentials?

The prices of Differentials for the 1998 Mazda B4000 range from $1.29 up to $2,064.99 for the most premium parts.

What is the average price of a Differential for a 1998 Mazda B4000?

The average price for Differentials for the 1998 Mazda B4000 is $298.74. 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 Mazda B4000 model years?

Yes, we carry Differentials for 14 model years of Mazda B4000s between 1994 and 2009. The following model years are the most popular for Differential purchases: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, and 2001.

What are the cheapest Differentials for my 1998 Mazda B4000?

The cheapest 1998 Mazda B4000 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1998 Mazda models?

Yes. We stock Differentials for 5 other popular 1998 Mazda models. Some of the most popular are 1998 626 Differentials, 1998 MPV Differentials, 1998 Millenia Differentials, 1998 Protege Differentials, and 1998 B3000 Differentials.

What types of Differentials do you sell for my 1998 Mazda B4000?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1998 Mazda B4000:

Can I get help with 1998 Mazda B4000 Differential orders?

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

What is your return policy for Mazda B4000 Differentials?

Advance Auto Parts keeps returns simple. For new Mazda B4000 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.