1998 GMC Sonoma Differentials

Keep Your 1998 GMC Sonoma in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1998 GMC Sonoma looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Covers, Rear Differential Cover Gaskets, and Rear Housing Cover Gaskets. 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 1,587 reviews and a solid 4 star average, you can shop with confidence knowing other GMC Sonoma owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1998 GMC Sonoma Differential at Advance Auto Parts is around $261.05, with a range that starts at $2.49 and goes up to $1,839.99. With 323 options in stock from 16 trusted brands, finding the right fit is easy. Popular picks like High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart, DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart, and DEX/MERC ATF Conventional Automatic Transmission Fluid, 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 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1998 GMC Sonoma in peak condition, inside and out.

Essential 1998 GMC Sonoma Differentials

Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

Differential Gear Install Kit

from

$65.99


Product Features:
  • MINI INSTALL KIT GM 8.5 REAR
See More

Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

Posi Spring Kit For GM 7.5", With Preload Plates

from

$153.99
Product Features:
  • Positraction spring kit
  • Fits GM 7.5″ and 7.625″ Dura Grip
  • Includes preload plates
See More

Powertrax – No-Slip Traction System (Part No.9207853005)

No-Slip Traction System

from

$544.99
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

    FAG US – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

    Bearing - CRB (Cylindrical Roller Bearing)

    from

    $43.99
    We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

    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 – 8.6" GM 12P 12T & F8.8 Carrier Installation Kit (Part No.57010)

    8.6" GM 12P 12T & F8.8 Carrier Installation Kit

    from

    $121.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.6″, 12 bolt car and 12 bolt truck differential. This kit contains carrier bearings, races and shims.

    Product Features:
    • Fits GM 12 bolt passenger car and truck and 8.6″
    • Includes carrier bearings and races and “super” carrier shim kit
    See More

    Richmond Gear – Differential Cross Shaft (Part No.CSPGM75)

    Differential Cross Shaft

    from

    $26.49
    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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    Dorman – Differential Pinion Yoke Assembly (Part No.697-531)

    Differential Pinion Yoke Assembly

    from

    $323.99
    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

    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
    See More

    Yukon Gear – Differential Cover B (Part No.33572)

    Differential Cover B

    from

    $7.99
    Differential Cover B

    Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

    Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette

    from

    $59.99
    Product Features:
    • Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
    • Interlocking design makes installation much easier
    See More

    Yukon Gear – Posi Shim Kit For GM 7.5" & 7.625" Eaton Positraction (Part No.16047)

    Posi Shim Kit For GM 7.5" & 7.625" Eaton Positraction

    from

    $42.99
    Product Features:
    • Shim kit
    • Fits GM 7.5″ and 7.625″ with Eaton positraction
    See More

    Powertrax – Grip LS Traction System (Part No.LS201028)

    Grip LS Traction System

    from

    $463.99
    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!
    See More

    National – Bearing Race (Part No.HM89210)

    Bearing Race

    from

    $14.99
    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
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    Motive Gear – Differential Carrier Gear Kit (Part No.GM8.6BI)

    Differential Carrier Gear Kit

    from

    $115.99


    Product Features:
    • GM8.6″ INTERNAL KIT (OPEN) 30 SPL.
    See More

    Yukon Gear – Chrome Cover For 7.5" GM (Part No.32014)

    Chrome Cover For 7.5" GM

    from

    $67.99
    Chrome cover for 7.5″ GM.

    Product Features:
    • Fits GM 7.5″ and 7.625″
    • Chrome
    See More

    Richmond Gear – MiniSpool (Part No.78-7526-1)

    MiniSpool

    from

    $124.99
    MiniSpool

    Yukon Gear – Pinion Install Kit For ’98 And Newer GM 7.2" IFS Differential (Part No.13062)

    Pinion Install Kit For '98 And Newer GM 7.2" IFS Differential

    from

    $177.99
    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, 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 1998 and up GM 7.2″ IFS
    • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
    See More

    Yukon Gear – Cross Pin Shaft For 7.5", 7.625", And 8" GM (Part No.33404)

    Cross Pin Shaft For 7.5", 7.625", And 8" GM

    from

    $57.99
    Cross pin shaft for 7.5″, 7.625″, and 8″ GM.

    Product Features:
    • Cross pin shaft for GM 7.5″, 7.625″ and 8.0″
    • Fits standard open differentials only
    See More

    Dorman – Differential Yoke including Seal and Pinion Nut (Part No.697-500)

    Differential Yoke including Seal and Pinion Nut

    from

    $139.99
    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

    Yukon Gear – Pinion Seal For GM 8.5", 8.2", Buick, Oldsmobile, And Pontiac (Part No.30017)

    Pinion Seal For GM 8.5", 8.2", Buick, Oldsmobile, And Pontiac

    from

    $9.99
    Pinion seal for GM 8.5″, 8.2″, Buick, Oldsmobile, and Pontiac.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits GM 8.5″ rear, 8.2″ and 8.2″ in Buick, Oldsmobile and Pontiac
    See More

    Yukon Gear – 7.5 & 7.625 Standard Open Pinion Gear Thrust Washer (Part No.33390)

    7.5 & 7.625 Standard Open Pinion Gear Thrust Washer

    from

    $8.99
    7.5 & 7.625 Standard Open Pinion gear Thrust Washer.

    Product Features:
    • Pinion gear thrust washer for GM 7.5″ and 7.625″
    • Fits standard open differentials only
    See More

    Yukon Gear – Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25" (Part No.55048)

    Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25"

    from

    $57.99
    Product Features:
    • Crush sleeve eliminator kit for GM 8.5″, 8.6″ and Chrysler 9.25″ rear
    See More

    USA Standard Gear – Spartan Locker For GM 8.5" With 28 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17040)

    Spartan Locker For GM 8.5" With 28 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

    from

    $649.99
    The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

    Product Features:
    • Fits GM 18.5″ with 28 spline axles
    • Made from 9310 steel for added strength
    • Replaces the spiders in a standard carrier case
    See More

    Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

    from

    $10.99
    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
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
    See More

    Yukon Gear – Bearing Race Driver (Part No.56023)

    Bearing Race Driver

    from

    $219.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits M88010 race
    • All steel construction
    See More

    Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

    Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck

    from

    $39.99
    8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

    Product Features:
    • Pinion depth shim kit for Toyota 7.5″, 8″ and V6
    See More

    Driveworks – Camshaft Seal (Part No.S-99139)

    Camshaft Seal

    from

    $23.99
    Product Features:
    • Brand may vary by location
    See More

    Most Popular Differential Covers for 1998 GMC Sonomas

    Enhance your 1998 GMC Sonoma with one of the 13 Differential Covers we have in stock, starting at just $24.99.

    Dorman – Differential Cover (Part No.697-701)

    Differential Cover

    from

    $24.99
    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 (Part No.697-700)

    Differential Cover

    from

    $37.99
    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.111107)

    DIFF COVER KIT

    from

    $52.99
    DIFF COVER KIT

    Dorman – Differential Cover (Part No.697-706)

    Differential Cover

    from

    $59.99
    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.111102)

    DIFF COVER KIT

    from

    $29.99
    DIFF COVER KIT

    Yukon Gear – Chrome Cover For 8.6", 8.5" And 8.2" GM Rear (Part No.32017)

    Chrome Cover For 8.6", 8.5" And 8.2" GM Rear

    from

    $74.99
    Chrome cover for 8.6″, 8.5″ and 8.2″ GM rear.

    Product Features:
    • Fits GM 8.2″, 8.5″ and 8.6″
    • Chrome
    See More

    Yukon Gear – Aluminum Girdle Cover For GM 7.5" & 7.625" (Part No.32118)

    Aluminum Girdle Cover For GM 7.5" & 7.625"

    from

    $379.99
    Product Features:
    • Fits GM 7.5″ and 7.625″
    • Aluminum girdle cover
    See More

    Yukon Gear – Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear (Part No.32030)

    Polished Aluminum Cover For 8.6", 8.2" And 8.5" GM Rear

    from

    $255.99
    Polished aluminum cover for 8.6″, 8.2″ and 8.5″ GM rear.

    Product Features:
    • Fits GM 8.5″ and 8.6″
    • Finned polished aluminum
    See More

    Yukon Gear – Steel Cover For GM 8.2" & 8.5" Rear (Part No.32332)

    Steel Cover For GM 8.2" & 8.5" Rear

    from

    $123.99
    Product Features:
    • Fits GM 8.2″, 8.5″ and 8.6″
    • Steel
    See More

    Yukon Gear – Steel Cover For GM 7.5" & 7.625" (Part No.32331)

    Steel Cover For GM 7.5" & 7.625"

    from

    $67.99
    Product Features:
    • Fits GM 7.5″ and 7.625″
    • Steel
    See More

    Yukon Gear – Chrome Cover For 7.5" GM (Part No.32014)

    Chrome Cover For 7.5" GM

    from

    $67.99
    Chrome cover for 7.5″ GM.

    Product Features:
    • Fits GM 7.5″ and 7.625″
    • Chrome
    See More

    ATP – DIFF COVER KIT (Part No.111101)

    DIFF COVER KIT

    from

    $35.99
    DIFF COVER KIT

    Pro-King – Differential Carrier Cover (Part No.741A758)

    Differential Carrier Cover

    from

    $29.99
    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

    Best-Selling 1998 GMC Sonoma Rear Differential Cover Gaskets

    Upgrade your Sonoma with one of our 3 best-selling Rear Differential Cover Gaskets, earning an average 5 stars rating across 45 reviews.

    Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

    Axle Housing Cover Gasket Irregular 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 – 7.5 GM Cover Gasket (Part No.23018)

    7.5 GM Cover Gasket

    from

    $11.99
    7.5 GM cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 7.5″ and 7.625″
    See More

    Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

    8.2" & 8.5" Rear Cover Gasket

    from

    $10.99
    8.2″ & 8.5″ rear cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 8.2″, 8.5″ and 8.6″
    See More

    Top-Quality Rear Housing Cover Gaskets for 1998 GMC Sonomas

    Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for GMC Sonomas and enjoy top-notch performance from $10.99.

    Felpro – Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55028-1)

    Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

    from

    $10.99
    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
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
    See More

    Top Picks for 1998 GMC Sonoma Differential Oil

    Invest in one of our 7 durable Differential Oil for your 1998 GMC, knowing you’re getting trusted brands and expert craftsmanship.

    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

    from

    $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
    See More

    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
    See More

    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
    See More

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

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

    from

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

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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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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    Top-Rated Differential Bearings for 1998 GMC Sonomas

    Make a smart move for your 1998 GMC Sonoma with products all priced from $4.49 to $24.29.

    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
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    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
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    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
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    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
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    FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT11)

    Bearing - TRB (Tapered Roller Bearing)

    from

    $21.79
    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

    National – Bearing Race (Part No.JL69310)

    Bearing Race

    from

    $7.29
    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 – 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

    FAG US – Cup (Part No.LM67010)

    Cup

    from

    $6.69
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

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

    Top-Rated Differential Brands For Your 1998 GMC Sonoma

    When it comes to finding the perfect Differential for your 1998 GMC Sonoma, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 16 trusted brands. We carry the most popular Differential brands including 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 $6.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1998 GMC Sonoma, providing peace of mind with parts that meet or exceed OEM standards.

    Popular National 1998 GMC Sonoma Differentials

    If you’re looking for a top-quality Differential for your 1998 GMC Sonoma, 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 $7.99 and an average cost of $56.42, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1998 GMC Sonoma come highly rated, with over 8 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 $151.99
    (2)
    Axle Differential Bearing & Seal Kit
    “All you need to overhaul a diff, at a good price”
    Bearing Race
    from $9.29
    (2)
    Bearing Race
    “Reasonable price and woks well. front diff 2006 Escalade esv”
    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.”

    Top-Quality Dorman 1998 GMC Sonoma Differentials

    For those in search of a high-quality Differential for their 1998 GMC Sonoma, Advance Auto Parts offers a great selection of Dorman Differentials. With 3 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 $6.79, with an average price of $85.59, giving you a range of options to suit your budget. Backed by over 53 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.
    Axle Shaft
    from $224.99
    (4)
    Axle Shaft
    “Easy to switch”
    Differential Cover
    from $24.99
    (38)
    Differential Cover
    “Looks great, face lift for the rear differential. Old one was rusted & in bad shape. Just remember to get the correct size.”
    Differential Shaft Lock Bolt
    from $6.79
    (11)
    Differential Shaft Lock Bolt
    “Exactly like OEM”

    FAQs for 1998 GMC Sonoma Differentials

    What are the best-selling Differentials for 1998 GMC Sonomas?

    Out of 323 Differentials that fit 1998 GMC Sonomas, the following parts are the top sellers:

    What’s the price range for 1998 GMC Sonoma Differentials?

    The prices of Differentials for the 1998 GMC Sonoma range from $2.49 up to $1,839.99 for the most premium parts.

    What is the average price of a Differential for a 1998 GMC Sonoma?

    The average price for Differentials for the 1998 GMC Sonoma is $261.05. 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 GMC Sonoma model years?

    Yes, we carry Differentials for 9 model years of GMC Sonomas between 1991 and 2001. The following model years are the most popular for Differential purchases: 2001, 2000, 1999, 1997, 1996, 1995, 1994, 1993, and 1992.

    What are the cheapest Differentials for my 1998 GMC Sonoma?

    The cheapest 1998 GMC Sonoma Differentials we carry are:

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

    Yes. We stock Differentials for 20 other popular 1998 GMC models. Some of the most popular are 1998 Yukon Differentials, 1998 Savana 1500 Differentials, 1998 Savana 2500 Differentials, 1998 Jimmy Differentials, and 1998 K2500 Differentials.

    What are the top-rated Differentials that fit the 1998 GMC Sonoma?

    The one 1998 GMC Sonoma Differential we have in stock is the Differential Ring Gear Bolt. It costs $2.49.

    What types of Differentials do you sell for my 1998 GMC Sonoma?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1998 GMC Sonoma:

    Can I get help with 1998 GMC Sonoma Differential orders?

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

    What is your return policy for GMC Sonoma Differentials?

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