1985 GMC K1500 Differentials

Find your specific 1985 GMC K1500 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 K1500 Differentials

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$4.99

3/8″ ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.

Product Features:

Ring gear bolt washer for GM 12 bolt car and truck, 1955-1964 passenger car, 1963-1979 Corvette and 8.2″ Buick, Oldsmobile and Pontiac

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$251.99

Differential Carrier

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$226.99

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

Product Features:

Fits GM 8.5″ front
Uses Koyo bearings and races
Included are carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.

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$61.99

Chrome Moly cross pin shaft for Mini-Spool for GM 12P and 12T HD.

Product Features:

Hardened cross pin shaft
Fits GM 12 bolt passenger car and truck

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$2.49

Product Features:

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

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$218.99

Yukon standard open spider gear replacement kit for Dana 44 with 30 spline axles (all are without c-cup, including IFS). Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:

Spider gear kit
Fit Dana Spicer 44 open differential with 30 spline axles
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

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$8.99

Positraction clutch guide.

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
Compatible with Dura Grip positractions only

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$9.99

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

Product Features:

Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
1/2″ head

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$21.99

Product Features:

KIT SHIM SIDE 9.5″ GM

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$396.99

Aluminum Girdle cover for 8.2″ and 8.5″ GM TA HD.

Product Features:

Fits GM 8.5″ and 8.6″
Aluminum girdle cover

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$15.29

CUP

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$23.99

Product Features:

Cross pin bolt
Fits GM 9.5″ and 9.25″ IFS

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$99.99

Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:

Includes three quarts of Redline Shockproof oil

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$5.99

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.

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$215.99

Bearing race driver for Dana 44 rear. (TK 31520) No return.

Product Features:

Bearing race driver
Fits 31520 race
All steel construction

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$6.59

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.

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$124.99

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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$38.99

Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.

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$145.99

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.

Product Features:

AXLE SHAFT GM 9.5″ 88-94 4 WD 6 LUG 33 1/8″ O.A.

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$859.99

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

Product Features:

Fits GM 8.5″ with 28 spline axles
2.73 ratio and up only
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

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$223.99

Yukon replacement trail repair kit for Dana 30 and 44 with 1310 size U/joint and straps. This kit comes with a yoke, U/joint, pinion seal, U/bolt or strap kit, pinion nut, and pinion nut washer (if applicable).

Product Features:

Fits Dana Spicer 30 and 44
1310 u-joint size
Kit includes yoke, U-joint, pinion seal, pinion nut and washer, straps, bolts and threadlocker

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$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

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$2.99

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.

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$5.99

Product Features:

Side gear thrust washer for Ford 8″, Ford 9″ and AMC Model 20
0.030″ thick

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$1302.99

The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:

Fits Dana Spicer 44 with 30 spline axles
3.92 and up ratio only
Forged case and 8620 internals for added strength
Works with a variety of air delivery systems
Assembled in the USA

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$6.99

Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses t

Product Features:

Pinion nut for Dana Spicer 25, 27, 30, 44, 50 and GM 7.75″
3/4″ x 16 thread

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$182.99

RngPnnInstlKt

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$11.99

8.5 front cover gasket.

Product Features:

Cover gasket
Fits GM 8.5″ front

Popular 1985 GMC K1500 Differentials Categories

Differential Oil

Differential Pinion Yokes

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Front Housing Cover Gaskets

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Clutch Packs

Differential Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Differential Spools

Differential Carrier Bearings

Front Differential Cover Gaskets

Differential Pinion Bearing Kits

Differential Seals

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Pinion Gear Washers

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Clutch Pack Clips

Differential Lock Washers

Maybe you’re in the middle of a full rebuild of that 1985 GMC K1500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 283 different Differentials in our inventory ranging from $1.99 to $1,969.99. That means you can find the exact parts or products you need to keep that 1985 GMC K1500 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 K1500. Valvoline, FELPRO, and Driveworks 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 K1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,470 reviews in this category, some of the top rated parts include Rear Differential Cover with 4.1 stars and Differential Shaft Lock Bolt with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1985 GMC K1500 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 K1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 GMC K1500 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 K1500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Valvoline Differentials

We carry Valvoline parts in our stock across Differential Oil categories, plus more. For a 1985 GMC K1500, our most popular Valvoline Differentials include:

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

Top 1985 GMC K1500 Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1985 GMC K1500. Popular Felpro parts include:

from $9.99

(195)

Differential Cover Gasket

Rear Differential Cover Gaskets

FAQs for 1985 GMC K1500 Differentials

What are the most purchased Differentials for the 1985 GMC K1500?

Out of 283 Differentials for the 1985 GMC K1500, the most popular in our inventory are:

from $13.99

(14)

Tapered Cone/Cup Wheel Bearing Set

Front Differential Pinion Bearings

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

from $23.99

(7)

Bearings

Front Differential Pinion Bearings

What are the top-rated 1985 GMC K1500 Differentials?

Top-rated Differentials for your 1985 GMC K1500 based on customer reviews/ratings are:

from $32.99

(14)

Rear Differential Cover

“Heavy steel with the original magnet. Fits like original.. Not a cheap stamping by any means”

from $5.99

(11)

Differential Shaft Lock Bolt

“great”

from $139.99

(10)

Differential Yoke including Seal and Pinion Nut

“Will this fot 2001 jeep grand cherokee 4.0 limited with dana 35 read end”

1985 GMC K1500 Differentials

More 1985 GMC K1500 Differentials

Essential 1985 GMC K1500 Differentials

Yukon Gear – 3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (Part No.33347)

Yukon Gear – Differential Carrier (Part No.57015)

USA Standard Gear – Master Overhaul Kit for the GM 8.5 Front Differential (Part No.37056)

Yukon Gear – Chrome Moly Cross Pin Shaft For Mini-Spool For GM 12 Bolt Car And Truck (Part No.32236)

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

Yukon Gear – Dana 44 Standard Open Spider Gear Kit Replacement (Part No.16077)

Yukon Gear – Positraction Clutch Guide (Part No.33352)

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Motive Gear – Differential Carrier Shim Kit (Part No.GM9.5SSK)

Yukon Gear – Aluminum Girdle Cover For 8.2" And 8.5" GM Ta HD (Part No.32121)

FAG US – CUP (Part No.M802011)

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)

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

Pro-King – Differential Pinion Shim Kit (Part No.742G202)

Yukon Gear – Bearing Race Driver (Part No.56006)

Pro-King – Differential Cover Plug (Part No.742G484)

Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

Motive Gear – Differential Pinion Seal (Part No.26064029)

Motive Gear – Axle Shaft (Part No.15521928)

Yukon Gear – Dura Grip Positraction For GM 8.5" With 28 Spline Axles (Part No.26015)

Yukon Gear – Replacement Trail Repair Kit For Dana 30 And 44 With 1310 Size U/Joint And Straps (Part No.32278)

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

Pro-King – Differential Crush Sleeve (Part No.742G034)

Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Yukon Gear – Zip Locker For Dana 44 With 30 Spline Axles, 3.92 & Up (Part No.34020)

Yukon Gear – Replacement Pinion Nut For Dana 25, 27, 30, 36, 44, 53 & GM 7.75" (Part No.33143)

Richmond Gear – RngPnnInstlKt (Part No.83-1033-1)

Yukon Gear – 8.5 Front Cover Gasket (Part No.23021)

Popular 1985 GMC K1500 Differentials Categories