1985 GMC K2500 Differentials

Essential 1985 GMC K2500 Differentials

Yukon Gear – Bearing Race Driver (Part No.56011)

Bearing Race Driver

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$215.99
Bearing race driver for Dana 60 front, Dana 70U rear, Chrysler 8.75″ with 42 housing, and ’88 and older GM 14T. No return.

Product Features:
  • Bearing race driver
  • Fits HM803110 race
  • All steel construction
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Yukon Gear – Yoke For GM 10.5" 14 Bolt Truck, 1410, Strap Style (Part No.41180)

Yoke For GM 10.5" 14 Bolt Truck, 1410, Strap Style

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$299.99
Yukon yoke for GM 10.5″ 14 bolt truck, 1410, strap style. 4.188″ snap ring span, 1.188″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • 30 spline
  • 1410 u-joint size
  • 4.188″ snap ring span
  • 1.188″ cap diameter
  • Outside snap ring design
  • Strap style
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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

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$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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Spectre – GM Diff Cover Truck 14 Bolt (Part No.6086)

GM Diff Cover Truck 14 Bolt

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$62.99
Spectre’s Chrome GM Differential Covers feature a 14 bolt design and include the chrome bolts and gasket needed for an easy install. Made to OEM specifications these differential covers are triple chrome plated ensuring they perform as well as they look. This product fits the following vehicles with a 10.5 inch ring gear: 73-’87 Chevy/GMC 3/4 & 1 Ton 2/4WD (rear), ’75-’00 Chevy/GMC Dually 2/4WD (rear), ’88-’99 Suburban 3/4 Ton 2/4WD (rear). Includes 14 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

Product Features:
  • Fits the following vehicles with a 10.5 inch ring gear: 73-’87 Chevy/GMC 3/4 & 1 Ton 2/4WD (rear), ’75-’00 Chevy/GMC Dually 2/4WD (rear), ’88-’99 Suburban 3/4 Ton 2/4WD (rear).
  • Triple chrome plated steel construction
  • 14 bolt design
  • 14 chrome 5/16 inch -18 x 3/4 inch differential cover bolts included
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Yukon Gear – Zip Locker Bulkhead Quick-Disconnect Fitting (Part No.34038)

Zip Locker Bulkhead Quick-Disconnect Fitting

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$18.99
Product Features:
  • Bulkhead quit connect fitting
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Yukon Gear – Redi Sleeve For GM 8.5", 9.5" & 8.2" Bop Yokes (Part No.30229)

Redi Sleeve For GM 8.5", 9.5" & 8.2" Bop Yokes

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$57.99
8.5, 9.5, & 8.2 Buick, Oldsmobile, Pontiac GM REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:
  • Pinion Redi-sleeve
  • Fits GM 8.5″, 9.5″ and 8.2″ Buick, Oldsmobile and Pontiac
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Yukon Gear – Replacement Floater Roll Pin For Dana 44 & 8.75" Chrysler Power Lok (Part No.33326)

Replacement Floater Roll Pin For Dana 44 & 8.75" Chrysler Power Lok

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$5.99
Product Features:
  • Floater roll pin
  • Fits Dana Spicer 44 and Chrysler 8.75″
  • Powr Lok positraction only
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Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Differential Pinion Shim Kit

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$7.49
High-quality Differential Component Shim

Product Features:
  • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
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Yukon Gear – Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement (Part No.33283)

Dana 44, Ford 8" / 9", And Model 20 Side Gear Thrust Washer Replacement

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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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National – Bearings (Part No.02820)

Bearings

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$12.29
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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Yukon Gear – Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement (Part No.33249)

Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement

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$8.99
Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
  • For Trac Loc positraction applications only
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Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)

Differential Cross Shaft

from

$66.99
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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Pro-King – Differential Cross Shaft (Part No.742G673)

Differential Cross Shaft

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$28.49
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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Yukon Gear – Dana 30 / 44 Roll Pin Replacement (Part No.33312)

Dana 30 / 44 Roll Pin Replacement

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$12.99
Dana 30 & Dana 44 roll PIN, 0.235″ DIA, for cross pin shaft.

Product Features:
  • Roll pin for Dana Spicer 30 and Dana Spicer 44
  • 0.235″ diameter
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Motive Gear – Differential Carrier (Part No.6258340)

Differential Carrier

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$205.99


Product Features:
  • GM10.5″ 14 BOLT OPEN EMPTY CASE 4:56 & UP
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Yukon Gear – GM 9.5" Ring Gear Bolt (Part No.33047)

GM 9.5" Ring Gear Bolt

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$12.99
GM 9.5″ ring gear bolt. 12mm x 1.5.

Product Features:
  • Ring gear bolt for GM 9.2″
  • 12mm x 1.5
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Motive Gear – Differential Carrier Gear Kit (Part No.GM9.5BI)

Differential Carrier Gear Kit

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$176.99


Product Features:
  • GM9.5″ INTERNAL KIT (OPEN) 33 SPL. FRONT & REAR
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Yukon Gear – Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM (Part No.30219)

Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM

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$83.99
Replacement front axle inner seal redi-sleeve for Dana 44 & 8.5″ GM.Yukon Mighty seal.

Product Features:
  • Axle Redi-sleeve
  • Fits Dana Spicer 44
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Yukon Gear – Zip Locker For Dana 44 With 30 Spline Axles, 3.92 & Up (Part No.34020)

Zip Locker For Dana 44 With 30 Spline Axles, 3.92 & Up

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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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Yukon Gear – Pinion Install Kit For ’99 & Newer 10.5" GM 14 Bolt Truck Differential (Part No.13106)

Pinion Install Kit For '99 & Newer 10.5" GM 14 Bolt Truck Differential

from

$449.99
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 10.5″ 14 bolt truck
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Master Overhaul Kit For GM 8.5" Front Differential (Part No.14087)

Master Overhaul Kit For GM 8.5" Front Differential

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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 GM 8.5″ front
  • Included are Timken 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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Yukon Gear – 4340 Chrome-Moly Left Hand Inner Axle For ’79-’87 GM 8.5" Blazer And Truck, Uses 5-760X U/J (Part No.21366)

4340 Chrome-Moly Left Hand Inner Axle For '79-'87 GM 8.5" Blazer And Truck, Uses 5-760X U/J

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$249.99
Yukon 4340 Chrome-Moly left hand inner axle for ’79-’87 GM 8.5″ Blazer and truck with a length of 35.46″ and 28 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:
  • Fits 1979-1987 GM half ton front with GM 8.5″
  • 4340 Chromoly
  • Left hand side inner
  • 28 spline
  • 35.46″ from end of splines to center of u-joint bore
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Yukon Gear – GM 10.5′ 14 Bolt Truck Cover Gasket (Part No.23016)

GM 10.5' 14 Bolt Truck Cover Gasket

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$13.99
14T cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 10.5″ 14 bolt truck
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Pro-King – Differential Internal Nest Kit (Part No.742J717)

Differential Internal Nest Kit

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$219.99
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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USA Standard Gear – Master Overhaul Kit for the Dana 44 Differential with 30 Spline (Part No.37008)

Master Overhaul Kit for the Dana 44 Differential with 30 Spline

from

$289.99
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 standard rotation Dana Spicer 44 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, oil baffles and slingers, thread locker, marking compound with brush and gasket.
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Pro-King – Differential Pinion Gear Washer (Part No.744A216)

Differential Pinion Gear Washer

from

$3.19
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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Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

Differential Cover Gasket

from

$9.99
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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Yukon Gear – Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles (Part No.55010)

Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles

from

$15.99
Product Features:
  • Carrier shim kit for Dana Spicer 30 with 30 spline axles
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1985 GMC K2500 Differentials

Maybe you’re in the middle of a full rebuild of that 1985 GMC K2500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 297 different Differentials in our inventory ranging from $1.99 to $1,355.00. That means you can find the exact parts or products you need to keep that 1985 GMC K2500 running smoothly.

Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1985 GMC K2500. 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 K2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 4,482 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 4.2 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 K2500 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 K2500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 GMC K2500 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 K2500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

FAQs for 1985 GMC K2500 Differentials

What are the most purchased Differentials for the 1985 GMC K2500?

Out of 297 Differentials for the 1985 GMC K2500, the most popular in our inventory are:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Housing Cover Gaskets
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Differential Bearings
Differential Cover Gasket
from $7.99
(20)
Differential Cover Gasket
Rear Housing Cover Gaskets

What are the top-rated 1985 GMC K2500 Differentials?

Top-rated Differentials for your 1985 GMC K2500 based on customer reviews/ratings are:
Differential Ring And Pinion
from $342.99
(23)
Differential Ring And Pinion
“So far so good.”
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
“great”
Bearings
from $15.99
(9)
Bearings
“as advertised”