1985 GMC K2500 Drivetrains

Below you will find various in-demand GMC Drivetrains, components and accessories for your 1985 K2500. Advance Auto Parts has popular K2500 parts like Differentials, 4WD Components, Transfer Cases and more. You’ll also find aftermarket and OEM Drivetrains for other K2500 model years including 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 and more. Select a category of 1985 GMC K2500 Drivetrains below and start saving instantly.

Popular 1985 GMC K2500 Drivetrains Categories

Differential Oil

Axle Shaft Universal Joints

U-Joints

4WD Hubs

Rear Differential Cover Gaskets

Miscellaneous CV and U-Joint Parts

Drive Shaft Center Supports

Differential Open Unit and Components

Differential Covers

Center Support Bearings

U-Joint Strap Kits

Differential Pinion Shaft Lock Bolts

Axle Shaft Bearing Assemblies

Drive and Prop Shaft Assemblies

Differential Bearings

Differential Axle Shafts

Drive Shaft Slip Yoke Sleeves

Differential Pinion Pilot Bearings

Locking Hub Service Kits

4WD Switches

Axle Spindle Seals

U-Joint Centering Yokes

Front Housing Cover Gaskets

Differential Cover Bolts

Input Shaft Pilot Bearings

Axle Shaft Bearings

Transfer Case Output Shaft Seals

Differential Carriers

Differential Bearing Kits

Input Shaft Bearings

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Axle Spindle Bearings

Axle Flange Gaskets

Axle Vents

Differential Clutch Packs

Rear Axle Shaft Bearings

Differential Ring and Pinions

Stub Axles

U-Joint U-Bolt Kits

Differential Pinion Supports

Spindle Lock Nuts

Differential Lock Assemblies

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Transfer Case Drive Chains

Front Differential Cover Gaskets

Rear Housing Cover Gaskets

Transfer Case Output Shaft Bearings

Differential Pinion Bearing Kits

Axle Shaft Seal Retainers

Transfer Case Differential Bearings

Drive Shaft Seals

Differential Seals

Axle Shaft Lock C-Clips

Complete Differentials

Bearing and Seal Overhaul Kits

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Axle U-Bolt Kits

Input Shaft Seals

Spindle Retainers

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Mounting Adapter Seals

Differential Side Gear Thrust Washers

Transfer Case Oil Drain Plugs

Differential Pinion Gear Thrust Washers

Oil Pump Housing Seals

Differential Drive Pinion Gear Bearing Retainer Bolts

Output Shaft Pilot Bearings

Spindle Washers

Axle Shaft Bolts

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Universal Joint Strap Bolts

Differential Clutch Pack Clips

Universal Joint Snap Rings

Axle Differential Bearing and Race Set

Essential Drivetrains for 1985 GMC K2500s

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$13.99

This transfer case adapter seal matches the fit and function of worn or damaged original equipment part. This seal should be replaced as part any service that requires the transfer case and transmission to be separated.

Product Features:

Ideal replacement – this transfer case adapter O-ring is a direct replacement for a worn or damaged original equipment seal between the transfer case and transmission
Convenient on-hand part – this seal should be replaced whenever the transfer case is removed for service
Application-specific design – this O-ring has been designed of durable materials specifically for this vehicle application
Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life

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$15.99

Product Features:

Carrier shim kit for Dana Spicer 30 with 30 spline axles

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$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.

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$214.99

Product Features:

Spider gear kit
Fits GM 8.5″ 30 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

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$15.99

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

For U-Joints 330, 330A, 331 & 331A
Contains two 1.66″ bolt center clamps and four 5/16-24 x 1-5/16″ cap screws

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$15.99

Driveworks wheel bearings are a direct replacement for original parts at a much more affordable cost. Each wheel bearing is engineered to meet or exceed OE specifications, and goes through intensive quality control inspections to ensure proper fitment. Manufactured using high-precision machinery and advanced heat treatment processes, these bearings are designed for maximum durability and extended periods of use under any driving condition. Specific to certain applications, Driveworks bearings have multi-lip seals built into the bearing for increased protection against invasive contaminants and premature wear.

Product Features:

Depending on the application, specified Driveworks wheel bearings have integrated encoder rings that automatically sync with the vehicle’s anti-lock braking system (ABS) upon successful installation
Engineered, manufactured, and tested to meet or exceed OE specifications
Integrated seal design improves contamination resistance for a longer bearing life
High performance grease is used to lubricate the inner raceway to ensure smooth operation, higher operating temperatures, and minimal noise
Manufactured from high quality steel to maximize durability under even the harshest driving conditions
Brand may vary by location

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$5.99

Pinion gear thrust washer for 8.25″ GM IFS.

Product Features:

Pinion gear thrust washer
Fits GM 8.25″ IFS

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$15.99

Driveworks Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. Driveworks Universal Joints are constructed from quality materials for extended durability. Driveworks Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

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$14.99

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:

Design type: spring loaded; single-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$19.99

Value-priced bearing meets all cataloged application requirements.

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$93.99

Machined bodies to meet the tight tolerances
Forged and cast material to meet the performance requirement
Minimize the flash lines for less interference
Cleaning process induces compressive strength for increased performance
Machined and threaded holes for mounting ease
Rust preventative added for longer shelf life

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$189.99

Set-up carrier bearing (2 bearings, no races) 25590. No return.

Product Features:

Set up bearing kit
Fits Dana Spicer 44
Easily slips on and off carrier journals to allow for easier carrier shim adjustment

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$7.99

Differential Cover B

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$15.99

1330 U/joint U-bolts, 5/16″ X 1-9/16″, (7260 & 7290 BILLET).

Product Features:

u-joint u-bolt kit
Fits AMC Model 20, Dana Spicer 30 and 44, GM 8.2″, 12 bolt passenger car and truck and 1963-1979 Corvette
1330 u-joint size
Includes two u-bolts and four nuts

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$24.49

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
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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$21.99

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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$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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$219.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M88010 race
All steel construction

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$119.99

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

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$456.99

CARDONE Remanufactured Prop Shafts are engineered using the most stringent quality processes to deliver smooth, consistent performance in any driving condition. Original designs are scrutinized for potential improvement, and where applicable, design upgrades are implemented to produce a more durable part than the original. All critical components are tested to ensure proper function. Additionally, all CARDONE Prop Shafts are 100 percent dynamically balanced, resulting in vibration-free performance at all speeds.

Product Features:

Built to match O.E. form, fit and function.
100 percent NEW universal joints are installed to ensure proper fit and optimal performance.
All slip yokes are lubricated to prevent premature wear.
Units are 100 percent dynamically balanced at 3200 RPMs for vibration-free operation and increased joint life.

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$658.99

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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$10.99

9.5″ GM C/clip.

Product Features:

c-clip for GM 9.5″

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$16.99

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

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$49.49

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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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$551.99

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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$14.79

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
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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$209.99

Yukon yoke for GM 9.5″ with a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses GM3920486 straps. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits GM 9.5″
30 spline
1350 u-joint size
Outside snap ring design
3.625″ snap ring span
1.188″ cap diameter
Strap style

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$13.49

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

Upgrade your 1985 GMC K2500 with Top-Quality Drivetrains

When it comes to maintaining or upgrading your 1985 GMC K2500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Drivetrains are key to keeping your K2500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 459 Drivetrains for the 1985 GMC K2500, designed to meet your needs without breaking the bank. From Differential replacements to 4WD Components upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1985 GMC K2500 at great prices. Our Drivetrains inventory for this model ranges from just $2.59 to $1,355.00, with an average price of $182.71. Our 459 Drivetrains in stock come from 22 trusted brands, so you’re sure to find the right part for your 1985 GMC K2500 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1985 GMC K2500, we stock popular OEM and aftermarket Drivetrains from top names like Spicer, DriveWorks, National, and more. Spicer Drivetrains start at just $31.99 and boast an impressive 4.6 stars average rating from customers. DriveWorks and National also bring quality to the table, with Drivetrains available starting at $4.99, and at an average 4.3 stars rating. With 7,338 customer reviews and counting, our 1985 GMC K2500 Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1985 GMC K2500 is always ready to roll. We’re committed to providing you with everything you need to keep your K2500 in top shape, all in one place. Start shopping confidently below for your 1985 GMC K2500!

Best-Selling Differentials for 1985 GMC K2500s

Enhance the driving experience in your GMC with 311 quality Differential components, starting at $2.59.

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$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

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$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

from

$7.99

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

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

from

$7.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$7.99

High-quality Differential Component Shim

Product Features:

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

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$234.99

Product Features:

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

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$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

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$26.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$8.99

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

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$53.99

Product Features:

STRONG AND DURABLE – Controlled heat treatment process for strength and durability
PREMIUM MATERIALS – Precision manufactured using premium-grade steel for durability and performance
OE-STYLE DESIGN – Engineered to meet OE specifications
COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
Professional technicians know they can depend on National

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$21.99

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

from

$22.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$241.99

Product Features:

GM 10BL 8.5 R/P 3.73A MG FRT/REAR

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$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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$11.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$18.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$243.99

Product Features:

GM 10BL 8.5 R/P 3.73 MG FRT/REAR

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$156.99

Product Features:

KIT BRG&SL GM 8.5″ 10 BLT MSTR NON IFS FRONT / REAR

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$41.99

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

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$135.99

Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:

KIT BRG & SEAL GM 10 BOLT MASTER NON IFS FRONT / REAR

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$342.99

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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$113.99

GM 10 BOLT 8.5″ MSTR KIT W/EATON OR AUBURN PRO

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$176.99

Product Features:

GM9.5″ INTERNAL KIT (OPEN) 33 SPL. FRONT & REAR

Most Popular 1985 GMC K2500 4WD Components

Customize your GMC with 3 4WD Components products like 4WD Hubs and 4WD Switches, all priced under $204.99.

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$116.99

Black nylon reinforced fiberglass dial. Limited lifetime warranty. 19 spline, internal bolts. Chrome.

Product Features:

Black Nylon Reinforced Fiberglass Dial
Limited Lifetime Warranty

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$204.99

Ultimate in style and service. Latest patented technology. Smooth operation. Limited lifetime warranty. 10 spline, 6 bolts. Chrome.

Product Features:

Ultimate In Style And Service
Latest Patented Technology
Smooth Operation
Limited Lifetime Warranty

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$39.99

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The 4WD Indicator Light Switch provides instant visual feedback on 4WD engagement, helping drivers quickly verify the vehicle¿s drive mode and ensuring optimal performance in off-road or slippery conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:

Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

Top Picks for 1985 GMC K2500 Transfer Cases

Upgrade GMC K2500s with top-quality Transfer Cases parts, including 29 OEM and aftermarket selections for your 1985 model.

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$17.99

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
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

from

$20.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$4.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$36.49

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

from

$11.99

Design type: spring loaded; single-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$13.99

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$7.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$5.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$11.49

Design type: spring loaded; multi-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$11.29

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$4.99

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$31.99

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

from

$22.99

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
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

from

$13.49

This transfer case oil drain plug 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 transfer case oil drain plug matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this plug 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

from

$19.49

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$9.99

Design type: springless; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$135.99

TCase Drive Chain

from

$8.99

ManTransExtHouseBush

from

$94.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

from

$26.49

Product Features:

RIGHT TYPE: Needle bearings are application-specific for the repair occasion, using either caged or full complement designs
PREMIUM MATERIALS: Precision manufactured using high-quality materials for outstanding durability and performance
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

from

$153.99

TCaseBrg-SealKit

from

$89.99

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

from

$46.99

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

from

$34.99

TCaseGasketSealKit

In-Demand Drive Shafts and Axles for 1985 GMC K2500s

Select from 47 premium Drive Shafts and Axles parts for your 1985 GMC K2500, with prices ranging from $5.29 to $689.99.

show more show less

from

$55.99

When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles in a wide variety of applications, from light vehicle to commercial and off-highway.

from

$31.99

OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
Zerk allows for lubricating at regular intervals to help extend the life of the part.

from

$38.99

You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you are getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.

from

$13.99

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 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

from

$40.99

Center support bearings or Carrier Support Bearings are used when the driveshaft is split into two sections. It serves as a junction on the drive shaft between the transmission and the differential allowing the driveshaft to flex, relieving stress on other drive line components. Each part is engineered and designed to OE Standards. Applicable to AUTOCAR 84-88; CHEV 60-02; DODGE 57-02; FORD 55-07; GMC 63-02; INTL 57-02; KW 81-18; MACK 80-83; PTRB 65-83; WHGM 88-95; WHIT 81-88;. Please verify your application.

Product Features:

MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
For Years: 1955-2018
Weight approx: 4 Lbs
BEARING ID / BORE: 1.5750 INCH / 40 MM
CENTERLINE: 2.48 INCH / 63 MM
MOUNT WIDTH: 6.62 INCH / 168 MM
STYLE: ROUND FRAME
NOT PICTURED: TWO DUST SHIELDS

from

$7.49

This transfer case vent is designed to match the fit and function of the original vent on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this transfer case vent is designed to match the fit and function of the original vent on specified vehicles
Restores functionality – reliable replacement for an original vent that has failed due to blockage or 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

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$5.79

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

from

$22.99

Manufactured with premium-grade steel, National® cylindrical bearings are designed and engineered to meet OE specifications.

Product Features:

Premium bearing design matches OEM specifications
Precision manufactured using premium-grade steel for outstanding durability and performance
Controlled heat treating process for lasting performance and extended bearing life
Industry leading coverage
Professional technicians know they can depend on National

from

$16.99

Design type: spring loaded; single-lip
Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$6.99

This drive axle shaft lock C-clip 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 drive axle shaft lock C-clip matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this clip 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

from

$44.99

OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
Zerk allows for lubricating at regular intervals to help extend the life of the part.

from

$45.99

from

$44.99

Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.

Product Features:

BUILT TO LAST – Advanced heat treatment process for strength
PREMIUM MATERIALS – Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE – Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

from

$21.49

Center support bearings or Carrier Support Bearings are used when the driveshaft is split into two sections. It serves as a junction on the drive shaft between the transmission and the differential allowing the driveshaft to flex, relieving stress on other drive line components. Each part is engineered and designed to OE Standards. Applicable to AUTOCAR 84-88; CHECKER 55-82; CHEV 60-12; DODGE 57-02; FORD 55-10; GMC 63-07; INTL 57-02; ISUZU 96-01; KW 81-18; MACK 80-90; MAZDA 87-94; MITS 87-09; OLDS 90-01; PLYM 80-83; PTRB 65-83; WHGM 88-95; WHIT 81-88;. Please verify your application.

Product Features:

MAXIMUM VIBRATION DAMPENING: Rubber cushion is made of high grade rubber that ensures maximum dampening of vibration and the ability to absorb over loads.
HEAVY GAUGE STEEL FRAME: The housing frame is made from heavy gauge steel with durability that extends the service life.
READY TO INSTALL: Most center supports include a sealed bearing and dust shield and are ready to install.
For Years: 1955-2018
Weight approx: 3 Lbs
BEARING ID / BORE: 1.3780 INCH / 35 MM
CENTERLINE: 2.28 INCH / 58 MM
MOUNT WIDTH: 6.62 INCH / 168 MM
STYLE: ROUND FRAME
COMPLETE MOUNT

from

$15.99

Depending on the application, specified Driveworks wheel bearings have integrated encoder rings that automatically sync with the vehicle’s anti-lock braking system (ABS) upon successful installation
Engineered, manufactured, and tested to meet or exceed OE specifications
Integrated seal design improves contamination resistance for a longer bearing life
High performance grease is used to lubricate the inner raceway to ensure smooth operation, higher operating temperatures, and minimal noise
Manufactured from high quality steel to maximize durability under even the harshest driving conditions
Brand may vary by location

from

$31.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$8.49

Product Features:

Design type: spring loaded; single-lip
Temperature range: -40 deg. F to 225 deg. F / -40 deg. C to 107 deg. C
Good low temperature capability
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$19.79

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

from

$456.99

Built to match O.E. form, fit and function.
100 percent NEW universal joints are installed to ensure proper fit and optimal performance.
All slip yokes are lubricated to prevent premature wear.
Units are 100 percent dynamically balanced at 3200 RPMs for vibration-free operation and increased joint life.

from

$24.99

Product Features:

Fits GM 8.6″ and 9.5″
Sleeve to adapt standard yoke to use late model triple lip pinion seal

from

$13.99

Inner front disco replacement seal for 4WD Dana 44, Dana 60, and 8.5″ straight axle.Yukon Mighty seal.

Product Features:

Inner front axle seal
Fits Dodge disconnect front with Dana Spicer 44 or 60, reverse rotation Dana Spicer 44 and GM 8.5″

from

$13.99

Full-floating axle seal for GM 14T.Yukon Mighty seal.

Product Features:

Rear axle seal
Fits GM 10.5″ 14 bolt truck

from

$39.49

Product Features:

BUILT TO LAST: Advanced heat treatment process for strength
PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
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

Most Sold 1985 GMC K2500 Universal Joints

Explore our best-selling GMC parts for the 1985 K2500 among 51 OEM and aftermarket options starting from $4.49.

show more show less

from

$15.99

For U-Joints 330, 330A, 331 & 331A
Contains two 1.66″ bolt center clamps and four 5/16-24 x 1-5/16″ cap screws

from

$42.99

Product Features:

COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
GREASABLE DESIGN – Greasable u-joints allow for new grease to flush out contaminants and moisture
KEEPS DIRT OUT – Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
Cross forging shape and flash provide easier installation and high strength

from

$35.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging to provide higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting allows for easy maintenance and the flexible use of the entire assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals are applied to optimize grease retention and reduce contamination

from

$40.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$29.49

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$55.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$33.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$46.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$29.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$45.99

from

$8.99

Universal Joint

from

$37.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$19.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
GREASABLE DESIGN – Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$37.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for applications with higher torque and horsepower
COMPREHENSIVE COVERAGE – Available for foreign and domestic nameplates
CORROSION PROTECTION – Exclusive MICRO SHIELD coating protects against rust and corrosion
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
STRONG AND DURABLE – Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability

from

$41.99

Product Features:

BUILT TO LAST – Rugged design specifically engineered for fleets, off-highway and commercial vehicles
STRONG AND DURABLE – Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
KEEPS DIRT OUT – Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
GREASEABLE DESIGN – Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
INHIBITS PREMATURE WEAR – Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
RELIABLE PERFORMANCE – Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
RIGOROUS TESTING – Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on

from

$36.99

OE engineering and field tested experience is why the Spicer brand is the most trusted in the industry.
Forged with high-quality steel, these u-joints are heat treated and case-hardened with precision to specific levels, ensuring optimal strength and durability.
The process of precision grinding the seal and bearing surfaces helps to improve the life of the seal and bearing.
Zerk allows for lubricating at regular intervals to help extend the life of the part.

from

$8.39

Universal Joint – Brute Force

from

$6.49

Universal Joint

from

$24.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearing cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves are designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$15.99

The cross is hot forged for the higher torque and horsepower
The bearing cups are made by cold forging, having higher strength and better rigidity
Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
Snap rings are held to strict tolerances to ensure proper cup position and retention
Nitrile rubber seals to optimize grease retention and reduce contamination

from

$4.59

Universal Joint

Top-Rated Drivetrains Brands For Your 1985 GMC K2500

Shop for the best-rated brands offering Drivetrains and other products for your 1985 GMC K2500s. Below you’ll find some of our best rated Drivetrains from Spicer, DriveWorks, and National, and more. Drivetrains from these brands that fit a 1985 K2500 start at just $4.99 and are rated as high as 4.6 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

Popular Spicer 1985 GMC K2500 Drivetrains

When it comes to maintaining or upgrading your 1985 GMC K2500, using quality Drivetrains is essential to ensure durability and a perfect fit. Spicer ticks all of those boxes. We offer a wide selection of Spicer Drivetrains, specifically designed for the 1985 GMC K2500. With over 3 Spicer brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $31.99, with an average price of just $42.32. Plus, with over 21 customer reviews and an average rating of 4.6 stars, you can trust that our Spicer Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $31.99

(12)

Universal Joint, Greaseable 1310 Series OSR

“No problems with Installation and appears to be quality part! Great for my old School Street Car!”

from $38.99

(2)

Universal Joint

“I use this on a 4×4 off-road. It’s always a tough trade-off between the greaseable and non-greasable u-joints. The non-greaseable is stronger. The”

from $55.99

(7)

Universal Joint

“Nice stub axle u-joint, perfect fit!”

Popular DriveWorks 1985 GMC K2500 Drivetrains

DriveWorks auto parts is one of the highest quality Drivetrain brands in the market. Any 1985 GMC K2500 owner should feel confident when installing genuine DriveWorks parts in their vehicle. To ensure the best fit and performance for your 1985 K2500, Advance Auto Parts carries a full inventory of 3 DriveWorks Drivetrains. Plus you will be keeping your GMC in peak condition while saving money because prices on these DriveWorks Drivetrains range from $4.99 to $7.99, plus, with more than 5 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.

from $7.99

(1)

Oil Seal

“Didn’t fit my 1992 K1500 10 bolt 8.5″ ring gear rear end. Was told wrong part.”

from $5.99

(1)

Oil Seal

“This product looks very well made (compared to stock item it replaced).”

from $4.99

(3)

Oil Seal

“Good part, cheap price”

FAQs for 1985 GMC K2500 Drivetrains

Which Drivetrains are best-sellers for 1985 GMC K2500s?

Out of 459 Drivetrains that fit 1985 GMC K2500s, the following parts are the top sellers:

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket (5185823) – $10.99
DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (12079139) – $11.99
Universal Joint (10265505) – $15.99

What’s the price range for 1985 GMC K2500 Drivetrains?

Drivetrain prices for the 1985 GMC K2500 start at $2.59 and go up to $1,355.00 for the most premium parts.

What’s the average price of a Drivetrain for a 1985 GMC K2500?

The average price for Drivetrains for the 1985 GMC K2500 is $182.71. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Drivetrains for other GMC K2500 model years?

Yes, we currently carry Drivetrains for 18 model years of GMC K2500s between 1979 and 1999. Drivetrains are bought most frequently for the following model years: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

What are the cheapest Drivetrains for my 1985 GMC K2500?

The cheapest 1985 GMC K2500 Drivetrains we carry in stock are:

Differential Pinion Gear Washer (10282533) – $2.59
Ring Gear Bolt (20520168) – $2.99
Differential Crush Sleeve (20520169) – $2.99
Differential Cross Shaft (10282201) – $2.99
Differential Ring Gear Bolt (10282159) – $2.99

What are the top-rated Drivetrains that fit the 1985 GMC K2500?

Out of 7,338 reviews by customers, our 1985 GMC K2500 Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1985 GMC K2500 and their top-rated products:

Spindles
- Multi-Purpose Seal (3271129) – $8.99
- Multi-Purpose Seal (15440022) – $11.99
- Oil Seal (5441048) – $4.79
Universal Joints
- Multi-Purpose Seal (3271129) – $8.99
- Multi-Purpose Seal (15440022) – $11.99
- Oil Seal (5441048) – $4.79
4WD Components
- Multi-Purpose Seal (3271129) – $8.99
- Multi-Purpose Seal (15440022) – $11.99
- Oil Seal (5441048) – $4.79

What types of Drivetrains do you sell for my 1985 GMC K2500?

As of 11/2/25, these are some of the most in-demand types of Drivetrains for a 1985 GMC K2500:

Can I get help with 1985 GMC K2500 Drivetrain orders?

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

What is your return policy for GMC K2500 Drivetrains?

Advance Auto Parts keeps returns simple. For new GMC K2500 Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1985 GMC K2500 Drivetrains

Dorman – Transfer Case Adapter O-Ring (Part No.926-832)

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

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

USA Standard Gear – Standard Spider Gear Set For GM 8.5", 30 Spline (Part No.39027)

MOOG Driveline Products – Universal Joint Strap Kit (Part No.492-10)

Driveworks – Wheel Bearing: Direct Fit, 1 Piece (Part No.S-5707)

Yukon Gear – Pinion Gear And Thrust Washer For 8.25" GM IFS (Part No.33377)

Driveworks – Universal Joint (Part No.DW-331BL)

National – Multi-Purpose Seal (Part No.481181N)

Driveworks – Ball Bearing (Part No.S-HB-88107-A)

MOOG Driveline Products – Double Cardan CV Flange Yoke (Part No.626)

Yukon Gear – Set Up Bearing (Part No.56037)

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

Yukon Gear – 1330 U/Joint U-Bolts, 5/16" X 1-9/16", (7260 & 7290 Billet) (Part No.41199)

National – Multi-Purpose Bearing (Part No.B-2410)

National – Tapered Roller Bearing Cone (Part No.LM104949)

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

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

Dorman – Differential Pinion Yoke Assembly (Part No.697-542)

Cardone – Drive Shaft: Not Greasable, Direct Replacement (Part No.65-9339)

Powertrax – Grip LOK Traction System (Part No.LK444430)

Yukon Gear – 9.5" GM C/Clip (Part No.33081)

FAG US – Cup (Part No.LM104911)

National – Multi-Purpose Bearing (Part No.208-LO)

Powertrax – No-Slip Traction System (Part No.9207883005)

National – Multi-Purpose Bearing (Part No.FC-66561)

Yukon Gear – Yoke For GM 9.5" With A 1350 U/Joint Size (Part No.41077)

National – Bearings (Part No.31520)

Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

National – Bearing Race (Part No.382A)

National – Bearing Race (Part No.M88010)

National – Bearing Race (Part No.LM501314)

Driveworks – Oil Seal (Part No.S-2043)

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

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

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

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

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

National – Wheel Bearing: Direct Fit, 1 Piece (Part No.R-1561-TV)

National – Tapered Roller Bearing Cone (Part No.LM104949)

National – Multi-Purpose Seal (Part No.8622)

Motive Gear – Differential Ring and Pinion (Part No.GM10-373A)

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

Driveworks – Taper Bearing Cone (Part No.S-LM-104949)

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

Motive Gear – Differential Ring and Pinion (Part No.GM10-373)

Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R10RMK)

National – Shaft Repair Sleeve (Part No.99212)

Motive Gear – Differential Master Bearing Kit – Timken (Part No.R10RMKT)

Richmond Gear – Differential Ring And Pinion (Part No.49-0034-1)

Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R10REMK)

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

Milemarker – MileMarker Street Master; Manual Hub (Part No.302)

Milemarker – MileMarker Supreme; Manual Hub (Part No.104)

Carquest Premium – 4WD Indicator Light Switch (Part No.FWA1002)

National – Multi-Purpose Bearing (Part No.B-2110)

National – Multi-Purpose Seal (Part No.3946)

Driveworks – Oil Seal (Part No.S-9613S)

National – Shaft Repair Sleeve (Part No.99187)

National – Multi-Purpose Seal (Part No.3173)

National – Multi-Purpose Seal (Part No.710928)

Driveworks – Needle Bearing (Part No.S-B-2110)

Driveworks – Oil Seal (Part No.S-9449)

National – Multi-Purpose Seal (Part No.710005)

Driveworks – Taper Bearing Cone (Part No.S-M-88048)

Driveworks – Oil Seal (Part No.S-3946)

National – Shaft Repair Sleeve (Part No.99225)

National – Multi-Purpose Bearing (Part No.B-2012)

Dorman – Oil Drain Plug Standard M22-1.50, Head Size 30mm (Part No.090-061CD)

Driveworks – Taper Bearing Cone (Part No.S-HM-88649)

National – Multi-Purpose Seal (Part No.341022)

USA Standard Gear – TCase Drive Chain (Part No.78547)

USA Standard Gear – ManTransExtHouseBush (Part No.77793)

National – Bearings (Part No.N-1211-L)

National – Multi-Purpose Bearing (Part No.J-2416)

USA Standard Gear – TCaseBrg-SealKit (Part No.77915)

National – Multi-Purpose Bearing (Part No.1210-L)

National – Shaft Repair Sleeve (Part No.99176)

USA Standard Gear – TCaseGasketSealKit (Part No.77381)