1988 GMC K2500 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1988 GMC K2500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1988 GMC K2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Rear Differential Cover Gaskets, and Rear Housing Cover Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Motive Gear, and Driveworks. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Motive Gear and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 2,236 reviews and a solid 4 star average, you can shop with confidence knowing other GMC K2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1988 GMC K2500 Differential at Advance Auto Parts is around $233.49, with a range that starts at $2.99 and goes up to $1,141.99. With 309 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, and 3 Qt – 80W90 Conventional Gear Oil with Posi Additive start at just $8.29 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1988 GMC K2500 in peak condition, inside and out.

Looking for the perfect Differential for your 1988 GMC K2500? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your GMC K2500. Whether you’re driving a 1988 model or another popular model year like 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, and 1999, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1988 GMC K2500 Differentials

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$532.99

Each LuK Differential Bearing Kit contains all the OE quality bearings needed for a professional transmission repair. Differential bearing kits are the perfect repair solution for a broken transmission. We carefully select OE quality components for each individual transmission for a professional repair.

Product Features:

LuK Differential Bearing Kits are designed to meet or exceed OEM requirements. This will ensure customer satisfaction.
LuK Differential Bearing Kits contain the bearings and seals needed to complete the job.
LuK Differential Bearing Kits include wear parts such as seals, O-rings, shaft sealing rings, support bearings and spare parts where necessary for eliminating the specific cause of failure.

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$961.99

This differential ring and pinion directly replaces the original equipment on specific vehicle years, makes and models.

Product Features:

Direct replacement – this ring and pinion set matches the fit and function of the original components on certain vehicle applications
Effective fix – eliminates grinding and whining from failed original bearings
Thoroughly tested – vehicle try-on testing and rigorous quality control measures ensure longevity
Trustworthy quality – backed by team of designers and engineers in the United States

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$7.99

Product Features:

Brand may vary by location

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$44.99

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

Product Features:

CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
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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$26.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion seal
Fits GM 8.25″ IFS

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$629.99

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

Product Features:

Standard open carrier case and spiders
Fits GM 9.25″ IFS and 9.5″

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$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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$109.99

Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs.

Product Features:

Drive flange cap
Fits Dana 44

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$449.99

Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

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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$5.99

Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

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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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$46.99

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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$29.99

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 select ability.

Product Features:

Air line
20′ in length

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$12.99

Roll pin for Dana Spicer 30 and Dana Spicer 44
0.235″ diameter

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$359.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design made from aluminum and polished to perfection.

Product Features:

Fits standard rotation Dana Spicer 44
Aluminum girdle cover

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$17.99

Product Features:

NUT PINION – 14 BOLT

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$188.99

Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles with large tires or high horsepower.

Product Features:

Fits GM 8.5″ with 30 spline axles
Installs into a standard open carrier case
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles

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$41.99

Shim kit
Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction

from

$7.99

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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$31.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$480.99

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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$12.99

Crush sleeve for GM 8.0″ and 8.25″ IFS
0.625″ tall

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$9.99

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

Product Features:

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

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$61.99

Cross pin shaft
Fits GM 8.5″
Chromoly steel for added strength

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$13.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$54.99

Product Features:

MINI INST KIT GM 14BLT 10.5″ 4.10DN 1972-88

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$10.99

Pinion gear thrust washer for GM 8.5″ and 8.6″
Fits standard open differentials only
0.795″ I.D.

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$215.99

Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:

For GM 10.5″ 14-Bolt Truck differential
Fits HM903210 race
For accurate installation of bearing races
All-steel construction

Popular 1988 GMC K2500 Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential Lock Assemblies

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Differential Carrier Bearing Adjusters

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Drive Pinion Gear Bearing Retainer Bolts

Differential Carrier Bearing Races

Differential Bearing Adjuster Nut Lock Bolts

Differential Carrier Bearing Set

Axle Differential Bearing and Race Set

Most Popular Differential Oil for 1988 GMC K2500s

Enhance your 1988 GMC K2500 with one of the 6 Differential Oil we have in stock, starting at just $12.49.

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$12.49

Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:

FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations

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$57.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

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$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:

Includes three quarts of conventional oil

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$148.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

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$99.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes four quarts of Redline Shockproof oil

Best-Selling 1988 GMC K2500 Rear Differential Cover Gaskets

Upgrade your K2500 with one of our 4 best-selling Rear Differential Cover Gaskets.

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$13.99

9.5″ GM cover gasket.

Product Features:

Cover gasket
Fits GM 9.5″

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$13.99

14T cover gasket.

Product Features:

Cover gasket
Fits GM 10.5″ 14 bolt truck

Performance Differential Gasket - Gm 10.5 Axle - 14 Bolt

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$34.99

Spicer performance differential cover gaskets offer all-makes coverage for street, strip, drag, and off-road applications. These gaskets are reusable offering a clean release during replacement. Built with a mechanically and chemically bonder woven steel.

Product Features:

Made to adhere without messy RTV sealant This saves on install time by eliminating the time needed for RTV cure.
Provides no re-torque design with maximum compression and sealing.
Manufactured with proprietary high-density performance material.
Made in the USA.

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$3.99

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

Product Features:

Meets or exceeds OE specifications

Top-Quality Rear Housing Cover Gaskets for 1988 GMC K2500s

Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for GMC K2500s and enjoy top-notch performance from $7.99.

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from

$8.29

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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$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

from

$7.99

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
Dana engineering-approved for fit, form and function
Meets or exceeds OE specifications

Top Picks for 1988 GMC K2500 Differential Covers

Invest in one of our 5 durable Differential Covers for your 1988 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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$63.99

This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:

Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$93.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits GM 9.5″
Steel

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$92.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits GM 10.5″ 14 bolt truck
Steel

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$72.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:

Fits GM 9.5″
Chrome

from

$59.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:

Fits GM 10.5″ 14 bolt truck
Chrome

Top-Rated Differential Bearings for 1988 GMC K2500s

Make a smart move for your 1988 GMC K2500 with products all priced from $6.99 to $46.99.

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$11.99

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

$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$23.99

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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$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

$46.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$38.99

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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$30.99

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

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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$23.99

Cross pin bolt
Fits GM 9.5″ and 9.25″ IFS

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$18.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$17.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$11.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$10.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

from

$6.99

Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 bolt car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS

Top-Rated Differential Brands For Your 1988 GMC K2500

When it comes to finding the perfect Differential for your 1988 GMC K2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including National, Driveworks, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1988 GMC K2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1988 GMC K2500 Differentials

If you’re looking for a top-quality Differential for your 1988 GMC K2500, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99 and an average cost of $18.49, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1988 GMC K2500 come highly rated, with over 4 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $18.99

(1)

Multi-Purpose Seal

“Fit my 1996 Chevrolet pinion housing perfectly. No leaks.”

from $24.49

(1)

Multi Purpose Seal

“Fits right the first time… No more leaks…”

from $11.99

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

Top-Quality Driveworks 1988 GMC K2500 Differentials

For those in search of a high-quality Differential for their 1988 GMC K2500, Advance Auto Parts offers a great selection of Driveworks Differentials. With 3 Driveworks Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $8.99, with an average price of $10.66, giving you a range of options to suit your budget. Backed by over 6 customer ratings and an average rating of 4.2 stars, Driveworks Differentials provide both reliability and excellent performance. Choosing a Driveworks Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $10.99

(3)

Taper Bearing Cone

“Worked for my 2006 escalade esv front diff”

from $11.99

(1)

Taper Bearing Cone

“Part fit perfectly. Just have to see how long it lasts”

from $8.99

(2)

Tapered Cup Wheel Bearing Assembly

“They had the part when nobody else did.”

FAQs for 1988 GMC K2500 Differentials

What are the best-selling Differentials for 1988 GMC K2500s?

Out of 309 Differentials that fit 1988 GMC K2500s, the following parts are the top sellers:

Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (5723531) – $8.29
Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (3215601) – $8.99
3 Qt – 80W90 Conventional Gear Oil with Posi Additive (11645418) – $57.99

What’s the price range for 1988 GMC K2500 Differentials?

The prices of Differentials for the 1988 GMC K2500 range from $2.99 up to $1,141.99 for the most premium parts.

What is the average price of a Differential for a 1988 GMC K2500?

The average price for Differentials for the 1988 GMC K2500 is $233.49. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

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

Yes, we carry Differentials for 18 model years of GMC K2500s between 1979 and 1999. The following model years are the most popular for Differential purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

What are the cheapest Differentials for my 1988 GMC K2500?

The cheapest 1988 GMC K2500 Differentials we carry are:

Ring Gear Bolt (20520168) – $2.99
Differential Crush Sleeve (20520169) – $2.99
Differential Cover Bolt (50333283) – $2.99
Differential Cover Gasket (10282461) – $3.99
Differential Crush Sleeve (10593146) – $3.99

Does Advance Auto Parts sell Differentials for any other 1988 GMC models?

Yes. We stock Differentials for 21 other popular 1988 GMC models. Some of the most popular are 1988 Jimmy Differentials, 1988 C2500 Differentials, 1988 K1500 Differentials, 1988 C1500 Differentials, and 1988 K3500 Differentials.

What types of Differentials do you sell for my 1988 GMC K2500?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1988 GMC K2500:

Can I get help with 1988 GMC K2500 Differential orders?

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

What is your return policy for GMC K2500 Differentials?

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

1988 GMC K2500 Differentials

LuK – Repair Kit, Differential (Part No.GDK325A-MK)

Dorman – Differential Ring and Pinion Set (Part No.697-342)

Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

National – Multi-Purpose Bearing (Part No.A-42)

Yukon Gear – 8.25" GM IFS Pinion Seal (88 and Up) (Part No.30278)

Yukon Gear – Standard Open Carrier Case, GM 9.5" & 9.25" IFS, Loaded (Part No.20097)

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

Yukon Gear – Drive Flange Cap for Dana 44 (Part No.32134)

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

Yukon Gear – 14T GM Pinion Support Bolt, 7/16-14" Long (Part No.33582)

Yukon Gear – GM 9.5" Ring Gear Bolt (Part No.33047)

Schaeffler – Cone (Part No.KJLM506849-A)

Yukon Gear – 20 Long Air Line for Zip Locker (Part No.34002)

Yukon Gear – Dana 30 / 44 Roll Pin replacement (Part No.33312)

Yukon Gear – Aluminum Girdle replacement Cover for Dana 44 TA HD (Part No.32110)

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

Yukon Gear – Mini Spool for GM 8.5" with 30 Spline Axles (Part No.32233)

Yukon Gear – Posi 12-Shim Kit, GM 8.2"/Gm 8.5"/12T/12P/Ford 8.8"/Cast Iron Vette (Part No.16042)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)

Driveworks – Cylindrical Bearing (Part No.S-R1561TV)

Powertrax – Grip LS Traction System (Part No.LS231230)

Yukon Gear – Crush sleeve for Dana 44 JK Rear, 8" GM & 8.25" IFS (Part No.33109)

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

Yukon Gear – Chrome Moly Cross Pin Shaft for Mini-Spool for 8.5" GM (Part No.32238)

Driveworks – Taper Bearing Set (Part No.S-A-38)

Motive Gear – Differential Gear Install Kit (Part No.GM10.5IK)

Yukon Gear – Standard Open Pinion Gear Thrust Washer, GM 8.5"/8.6", 8.5" Eaton, 0.795" Pin (Part No.33385)

Yukon Gear – Bearing Race Driver for GM 10.5" 14-Bolt Truck Differential (Part No.56018)

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

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

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

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

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

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

Spicer – Performance Differential Gasket – Gm 10.5 Axle – 14 Bolt (Part No.RD51995)

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

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

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

Victor Reinz – Axle Housing Cover Gasket (Part No.71-14834-00)

Dorman – Differential Cover (Part No.697-711)

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

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

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

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

National – Bearing Race (Part No.LM501314)

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

National – Tapered Roller Bearing Cone (Part No.387AS)

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

Schaeffler – Cone (Part No.KJLM506849-A)

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

Schaeffler – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

Yukon Gear – Standard Open and Gov-Loc Cross Pin Bolt, M10X1.5 Thread for 9.5" & 9.25" GM IFS (Part No.33342)

Schaeffler – Cup (Part No.382A)

Schaeffler – Wheel Balancer Cone (Part No.KLM104949)

Schaeffler – Cup (Part No.LM104911)

Schaeffler – Cup (Part No.M88010)

Yukon Gear – Cross Pin Bolt (Part No.33067)