1985 GMC S15 Jimmy Differentials

Find your specific 1985 GMC S15 Jimmy original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1985 GMC S15 Jimmy Differentials

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$5.99

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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$13.49

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Brand may vary by location

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$2.49

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RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND

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$27.99

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Made of Superior Hyper-Flex+ Material

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$187.99

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FULL SPOOL GM 8.5 30 SPL ST MUST USE 2-LM102911 & 2-LM102949

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$289.99

Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit 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), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application. Includes Supershims.

Product Features:

Fits 1982-1999 GM 7.5″ and 7.625″
Included are Timken 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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$9.99

Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:

Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
7/8″ x 14 thread
1 1/4″ socket

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$7.49

Product Features:

Brand may vary by location

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$149.99

The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

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AXLE SHAFT 10 BOLT 4X4 ’88-98 33 1/8 OA – 30 SP 1/2 TON

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$7.49

High-quality Differential Component Shim

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SHIM KIT FITS-8.25-F7.5-AMC20-GM0

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$15.29

CUP

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$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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$49.99

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MINI INSTALL KIT GM 7.5

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$279.99

Yukon positraction internals for 7.5″ and 7.625″ GM with 28 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects. This kit fits Yukon Dura Grip & Eaton positraction cases. It is not compatible with any other positractions.

Product Features:

Spider gear kit
Fits GM gm 7.5″ and 7.625″ with 28 spline Dura Grip positraction
Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.

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$35.99

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

Product Features:

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

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$6.49

This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles.
Required replacement – when servicing the differential
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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$20.99

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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$445.99

The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!

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$224.99

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GM 10BL 8.5 R/P 3.42 MG FRT/REAR

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$7.99

Standard open pinion gear thrust washer for 7.2″ GM.

Product Features:

Pinion gear thrust washer
Fits GM 7.2″ IFS

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$14.99

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

Product Features:

Premium bearing design matches OEM specifications
Precision manufactured using premium-grade steel for outstanding durability and performance
Crowned raceways and rollers to ensure even load distribution for maximum life
Industry leading coverage
Professional technicians know they can depend on National

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$7.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

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

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$399.99

GM 7.5″ & 7.6″ DURA GRIP case, bare, 3.23 & up, 26spline & 28spline.

Product Features:

Dura Grip positraction carrier case
Does not include spider gears
Fits GM 7.5″ and 7.625″
3.23 and up ratios only

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$28.99

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:

Designed to repair damaged, grooved or worn shafts
Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
Easy to install with removable flange and installation tool
Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

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$27.49

SHAFT SEAL

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$14.29

SHAFT SEAL

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$188.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits HM89210 race
All steel construction

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$219.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M88010 race
All steel construction

Popular 1985 GMC S15 Jimmy Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Ring and Pinions

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bushings

Differential Seals

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

Differential Crush Sleeves

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Pinion Gear Thrust Washers

Differential Ring and Pinion Kits

Maybe you’re in the middle of a full rebuild of that 1985 GMC S15 Jimmy. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 104 different Differentials in our inventory ranging from $2.49 to $1,704.99. That means you can find the exact parts or products you need to keep that 1985 GMC S15 Jimmy running smoothly.

Differentials are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 1985 GMC S15 Jimmy. Valvoline, Driveworks, and FELPRO are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1985 GMC S15 Jimmy, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 306 reviews in this category, some of the top rated parts include Shaft Repair Sleeve with 5.0 stars and Wheel Bearing and Seal Kit with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1985 GMC S15 Jimmy rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1985 GMC S15 Jimmy Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 GMC S15 Jimmy demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your S15 Jimmy the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Felpro Differentials

We carry Felpro parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1985 GMC S15 Jimmy, our most popular Felpro Differentials include:

from $7.99

(45)

DIFFERENTIAL GASKET

Rear Differential Cover Gaskets

Top 1985 GMC S15 Jimmy Differentials from Dorman

Dorman products are another trusted brand when it comes to Differentials for your 1985 GMC S15 Jimmy. Popular Dorman parts include:

from $20.99

(38)

Rear Differential Cover

Differential Covers

from $5.99

(11)

Differential Shaft Lock Bolt

Differential Pinion Shaft Lock Bolts

FAQs for 1985 GMC S15 Jimmy Differentials

What are the most purchased Differentials for the 1985 GMC S15 Jimmy?

Out of 104 Differentials for the 1985 GMC S15 Jimmy, the most popular in our inventory are:

from $14.49

(2)

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

Differential Oil

from $35.99

(17)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

Differential Oil

from $10.79

(33)

Taper Bearing Set

Differential Bearings

What are the top-rated 1985 GMC S15 Jimmy Differentials?

Top-rated Differentials for your 1985 GMC S15 Jimmy based on customer reviews/ratings are:

from $43.99

(2)

Shaft Repair Sleeve

“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”

from $151.99

(2)

Wheel Bearing and Seal Kit

“All you need to overhaul a diff, at a good price”

from $124.99

(1)

Differential Master Bearing Kit – Koyo

“Worked perfect for my application”

1985 GMC S15 Jimmy Differentials

More 1985 GMC S15 Jimmy Differentials

Essential 1985 GMC S15 Jimmy Differentials

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

Driveworks – Tapered Roller Bearing (Part No.S-HM-89249)

Motive Gear – Ring Gear Bolt (Part No.14066913)

Energy Suspension – Differential Carrier Bracket Bushing Set (Part No.3.1105R)

Motive Gear – Differential Spool (Part No.FS10-30)

Yukon Gear – Master Overhaul Kit For ’82-’99 GM 7.5" And 7.625" Differential (Part No.14077)

Yukon Gear – Pinion Nut (Part No.33152)

Driveworks – Differential Seal (Part No.S-223255)

Motive Gear – Axle Shaft (Part No.26010416)

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

FAG US – CUP (Part No.M802011)

Richmond Gear – Differential Cross Shaft (Part No.80-0270-1)

Motive Gear – Differential Gear Install Kit (Part No.GM7.5IK)

Yukon Gear – Positraction Internals For 7.5" And 7.625" GM With 28 Spline Axles (Part No.16117)

Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

Dorman – Help – Pinion Crush Sleeves (Part No.81058)

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

Powertrax – Lock Right Locker (Part No.1930-LR)

Motive Gear – Differential Ring and Pinion (Part No.GM10-342)

Yukon Gear – Standard Open Pinion Gear And Thrust Washer For 7.2" GM (Part No.33376)

National – Bearings (Part No.HM89210)

Felpro – DIFFERENTIAL GASKET (Part No.RDS 55072)

Yukon Gear – Dura Grip Case, GM 7.5 & 7.625", 3.23 & Up (Part No.20106)

National – Shaft Repair Sleeve (Part No.99225)

FAG US – SHAFT SEAL (Part No.SS2588)

FAG US – SHAFT SEAL (Part No.SS2983)

Yukon Gear – Bearing Race Driver (Part No.56016)

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

Popular 1985 GMC S15 Jimmy Differentials Categories