1985 GMC C2500 Differentials

Keep Your 1985 GMC C2500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1985 GMC C2500 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 National, FELPRO, and Dorman. For example, National Differentials start at just $10.99 with an average 4.3 star rating. FELPRO and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 872 reviews and a solid 4 star average, you can shop with confidence knowing other GMC C2500 owners approve.

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 1985 GMC C2500 in peak condition, inside and out.

Essential 1985 GMC C2500 Differentials

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

Yukon Gear – Pinion Seal With Triple-Lip Design For ’98 And Newer GM 14T (Part No.30165)

Pinion Seal With Triple-Lip Design For '98 And Newer GM 14T

from

$23.99
Pinion seal with triple-lip design for ’98 and newer GM 14T.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits 1998 and up GM 10.5″ 14 bolt truck
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Yukon Gear – Standard Open Carrier Case, GM 9.5" & 9.25" IFS, Loaded (Part No.20097)

Standard Open Carrier Case, GM 9.5" & 9.25" IFS, Loaded

from

$629.99
9.25″ IFS & 9.5″ case standard Open, loeaded.

Product Features:
  • Standard open carrier case and spiders
  • Fits GM 9.25″ IFS and 9.5″
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Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55387)

Axle Housing Cover Gasket: Irregular Shaped 14 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 – 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 – 9.5 Standard Open Pinion Gear Thrust Washer (Part No.33374)

9.5 Standard Open Pinion Gear Thrust Washer

from

$28.99
9.5 Standard Open Pinion gear Thrust Washer.

Product Features:
  • Pinion gear thrust washer
  • Fits GM 9.5″
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
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Yukon Gear – Mini Spool For GM 10.5" 14 Bolt Truck (Part No.32301)

Mini Spool For GM 10.5" 14 Bolt Truck

from

$287.99
Yukon mini spool for GM 10.5″ 14 bolt truck.

Product Features:
  • Fits 10.5″ GM 14 bolt truck
  • Provides 100% traction to both wheels at all times
  • Installs into standard open carrier case
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Yukon Gear – Pinion Install Kit For ’98 & Up GM 9.5" Differential (Part No.13076)

Pinion Install Kit For '98 & Up GM 9.5" Differential

from

$319.99
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 9.5″
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Driveworks – Wheel Bearing (Part No.S-R1581-TV)

Wheel Bearing

from

$27.99
Product Features:
  • Brand may vary by location
See More

Yukon Gear – 1541H Alloy 8 Lug Rear Axle For GM 9.5" ’81-’95 Truck And ’83-’96 G30 (Part No.21252)

1541H Alloy 8 Lug Rear Axle For GM 9.5" '81-'95 Truck And '83-'96 G30

from

$299.99
Yukon 1541H alloy 8 lug rear axle for GM 9.5″ ’81-’95 truck and ’83-’96 G30 with a length of 32-3/4″ inches and 33 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip axle.

Product Features:
  • 33 spline
  • 8 lug
  • 32.75″ long
  • Fits GM 9.5″ in 1981-1995 truck and 1983-1996 G30 van
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Yukon Gear – Eaton Positraction Shim Kit For 10.5" GM 14 Bolt Truck (Part No.16113)

Eaton Positraction Shim Kit For 10.5" GM 14 Bolt Truck

from

$78.99
Eaton positraction shim kit for GM 14T.

Product Features:
  • Shim kit
  • Fits GM 10.5″ 14 bolt truck Eaton positraction
See More

Yukon Gear – Super Carrier Shim Kit For GM 9.5" (Part No.55003)

Super Carrier Shim Kit For GM 9.5"

from

$29.99
9.5″ GM differential carrier Supershim kit.

Product Features:
  • Super carrier shim kit for GM 9.5″
  • Interlocking design makes installation much easier
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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!
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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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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

    Mr. Gasket – Differential Gasket (Part No.84B)

    Differential Gasket

    from

    $20.99
    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. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

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

    Pro-King – Differential Internal Nest Kit (Part No.743B717)

    Differential Internal Nest Kit

    from

    $221.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

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

    Yukon Gear – Bearing Install Kit For ’99-’08 GM 8.6" Differential (Part No.11071)

    Bearing Install Kit For '99-'08 GM 8.6" Differential

    from

    $229.99
    Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and 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 ring & pinion set.

    Product Features:
    • Fits 2008 and down GM 8.6″
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.
    See More

    Pro-King – Differential Pinion Shim Kit (Part No.743B200)

    Differential Pinion Shim Kit

    from

    $13.99
    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

    Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

    Differential Shaft Lock Bolt

    from

    $6.79
    This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
    • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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    USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

    Spartan Spring & Pin Kit, Fits Smaller Designs

    from

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

    Product Features:
    • Replacement spring and pin kit for Spartan Locker
    • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
    • Includes 4 springs and 4 alignment pins
    See More

    Yukon Gear – Standard Open Cross Pin Shaft For Four Pinion Design For GM 10.5" 14 Bolt Truck (Part No.33405)

    Standard Open Cross Pin Shaft For Four Pinion Design For GM 10.5" 14 Bolt Truck

    from

    $89.99
    Standard Open cross pin shaft for four pinion design for GM 14T.

    Product Features:
    • Cross pin shaft
    • Fits GM 10.5″ 14 bolt truck
    See More

    Richmond Gear – RngPnnInstlKt (Part No.83-1018-B)

    RngPnnInstlKt

    from

    $39.49
    RngPnnInstlKt

    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 – DiffrlPinSupportBolt (Part No.33582)

    DiffrlPinSupportBolt

    from

    $5.99
    DiffrlPinSupportBolt

    Motive Gear – Differential Pinion Nut (Part No.15994582)

    Differential Pinion Nut

    from

    $17.99


    Product Features:
    • NUT PINION – 14 BOLT
    See More

    Motive Gear – Differential Crush Sleeve (Part No.3954482)

    Differential Crush Sleeve

    from

    $5.99


    Product Features:
    • CRUSH SLV 8 7/8 12BLT TRK
    See More

    Most Popular Differential Covers for 1985 GMC C2500s

    Enhance your 1985 GMC C2500 with one of the 5 Differential Covers we have in stock, starting at just $46.99.

    Dorman – Differential Cover (Part No.697-703)

    Differential Cover

    from

    $46.99
    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

    Yukon Gear – Steel Cover For GM 9.5", Threaded For Fill Plug, Plug Not Included (Part No.32333)

    Steel Cover For GM 9.5", Threaded For Fill Plug, Plug Not Included

    from

    $93.99
    Steel cover for GM 9.5″ Threaded for fill plug, fill plug not included.

    Product Features:
    • Fits GM 9.5″
    • Steel
    See More

    Yukon Gear – Steel Cover For GM 10.5" 14 Bolt Truck (Part No.32345)

    Steel Cover For GM 10.5" 14 Bolt Truck

    from

    $92.99
    Product Features:
    • Fits GM 10.5″ 14 bolt truck
    • Steel
    See More

    Yukon Gear – Chrome Cover For 9.5" GM (Part No.32018)

    Chrome Cover For 9.5" GM

    from

    $72.99
    Product Features:
    • Fits GM 9.5″
    • Chrome
    See More

    Yukon Gear – Chrome Cover For 10.5" GM 14 Bolt Truck (Part No.32013)

    Chrome Cover For 10.5" GM 14 Bolt Truck

    from

    $59.99
    Chrome cover for GM 14T.

    Product Features:
    • Fits GM 10.5″ 14 bolt truck
    • Chrome
    See More

    Best-Selling 1985 GMC C2500 Rear Differential Cover Gaskets

    Upgrade your C2500 with one of our 4 best-selling Rear Differential Cover Gaskets, earning an average 4.5 stars rating across 13 reviews.

    Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55063)

    Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket

    from

    $8.29
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Yukon Gear – GM 10.5′ 14 Bolt Truck Cover Gasket (Part No.23016)

    GM 10.5' 14 Bolt Truck Cover Gasket

    from

    $13.99
    14T cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 10.5″ 14 bolt truck
    See More

    Yukon Gear – 9.5" GM Cover Gasket (Part No.23023)

    9.5" GM Cover Gasket

    from

    $13.99
    9.5″ GM cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 9.5″
    See More

    Pro-King – Differential Cover Gasket (Part No.743B303)

    Differential Cover Gasket

    from

    $3.99
    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

    Top-Quality Rear Housing Cover Gaskets for 1985 GMC C2500s

    Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for GMC C2500s and enjoy top-notch performance from $8.99.

    Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55387)

    Axle Housing Cover Gasket: Irregular Shaped 14 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

    Top Picks for 1985 GMC C2500 Differential Oil

    Invest in one of our 5 durable Differential Oil for your 1985 GMC, knowing you’re getting trusted brands and expert craftsmanship.

    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

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

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

    from

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

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

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

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

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

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

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

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

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

    Top-Rated Differential Bearings for 1985 GMC C2500s

    Make a smart move for your 1985 GMC C2500 with products all priced from $8.49 to $38.99.

    National – Bearing Race (Part No.382A)

    Bearing Race

    from

    $10.99
    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

    Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)

    Tapered Cone/Cup Wheel Bearing Set

    from

    $26.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Driveworks – Tapered Cone Wheel Bearing Assembly (Part No.S-387-AS)

    Tapered Cone Wheel Bearing Assembly

    from

    $18.49
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Tapered Roller Bearing Cone (Part No.LM501349)

    Tapered Roller Bearing Cone

    from

    $19.99
    Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
    • OE-STYLE DESIGN – Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Bearing Race (Part No.LM501310)

    Bearing Race

    from

    $8.49
    Product Features:
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION: Crowned raceways for even load distribution
    • OE-STYLE DESIGN: Engineered to meet OE specifications
    • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
    • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
    See More

    National – Tapered Roller Bearing Cone (Part No.JLM506849A)

    Tapered Roller Bearing Cone

    from

    $38.99
    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.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

    Yukon Gear – Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS (Part No.33342)

    Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS

    from

    $23.99
    Product Features:
    • Cross pin bolt
    • Fits GM 9.5″ and 9.25″ IFS
    See More

    FAG US – Cup (Part No.LM501310)

    Cup

    from

    $9.99
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

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

    Top-Rated Differential Brands For Your 1985 GMC C2500

    When it comes to finding the perfect Differential for your 1985 GMC C2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 13 trusted brands. We carry the most popular Differential brands including FELPRO, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 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 1985 GMC C2500, providing peace of mind with parts that meet or exceed OEM standards.

    Popular FELPRO 1985 GMC C2500 Differentials

    If you’re looking for a top-quality Differential for your 1985 GMC C2500, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 2 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29 and an average cost of $8.64, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1985 GMC C2500 come highly rated, with over 33 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

    Top-Quality National 1985 GMC C2500 Differentials

    For those in search of a high-quality Differential for their 1985 GMC C2500, 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 $10.99, with an average price of $32.49, giving you a range of options to suit your budget. Backed by over 26 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 $10.99
    (6)
    Bearing Race
    “Fit perfectly. No difficulty replacing my old ones.”
    Wheel Bearing: Direct Fit, 1 Piece
    from $53.99
    (20)
    Wheel Bearing: Direct Fit, 1 Piece
    “Very good quality part”

    FAQs for 1985 GMC C2500 Differentials

    What are the best-selling Differentials for 1985 GMC C2500s?

    Out of 167 Differentials that fit 1985 GMC C2500s, the following parts are the top sellers:

    What’s the price range for 1985 GMC C2500 Differentials?

    The prices of Differentials for the 1985 GMC C2500 range from $2.99 up to $1,141.99 for the most premium parts.

    What is the average price of a Differential for a 1985 GMC C2500?

    The average price for Differentials for the 1985 GMC C2500 is $214.80. 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 C2500 model years?

    Yes, we carry Differentials for 19 model years of GMC C2500s between 1979 and 2000. The following model years are the most popular for Differential purchases: 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, and 1992.

    What are the cheapest Differentials for my 1985 GMC C2500?

    The cheapest 1985 GMC C2500 Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1985 GMC models?

    Yes. We stock Differentials for 20 other popular 1985 GMC models. Some of the most popular are 1985 Jimmy Differentials, 1985 K2500 Differentials, 1985 K1500 Differentials, 1985 C1500 Differentials, and 1985 K3500 Differentials.

    What types of Differentials do you sell for my 1985 GMC C2500?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1985 GMC C2500:

    Can I get help with 1985 GMC C2500 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 C2500 Differentials?

    Advance Auto Parts keeps returns simple. For new GMC C2500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.