1985 GMC P2500 Differentials

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Keep Your 1985 GMC P2500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1985 GMC P2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Rear Differential Cover Gaskets, and Differential Carrier Bearing Set. 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 Driveworks, Dorman, and Felpro. For example, Driveworks Differentials start at just $10.79 with an average 4.2 star rating. Dorman and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 426 reviews and a solid 4.1 star average, you can shop with confidence knowing other GMC P2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1985 GMC P2500 Differential at Advance Auto Parts is around $121.11, with a range that starts at $7.99 and goes up to $1,008.00. With 38 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55063, Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55387, and Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 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 Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1985 GMC P2500 in peak condition, inside and out.

Essential 1985 GMC P2500 Differentials

Driveworks – Driveworks Clutch Release Bearing, S-614174 (Part No.S-614174)

Driveworks Clutch Release Bearing, S-614174

from

$33.99
Driveworks Clutch Release Bearing, S-614174.
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Driveworks – Driveworks Tapered Roller Bearing, S-HM-804846 (Part No.S-HM-804846)

Driveworks Tapered Roller Bearing, S-HM-804846

from

$41.99
Driveworks Tapered Roller Bearing, S-HM-804846.
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Yukon Gear – Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (Part No.15002)

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
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Yukon Gear – "Yukon Gear Redline Synthetic ""Shock Proof"" Oil – 4 Quarts, 15004" (Part No.15004)

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
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National – National Multi-Purpose Bearing, A-42 (Part No.A-42)

National Multi-Purpose Bearing, A-42

from

$45.49
Manufactured with premium-grade steel, National taper bearing sets feature crowned raceways and rollers to ensure even load distribution.
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Pro-King – Pro-King Rear Axle Shaft Kit, AXK-237 (Part No.AXK-237)

Pro-King Rear Axle Shaft Kit, AXK-237

from

$242.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket. All products are designed to meet or exceed OE quality, form, fit and function.
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Motive Gear – Motive Gear Axle Shaft Kit, MG1775 (Part No.MG1775)

Motive Gear Axle Shaft Kit, MG1775

from

$146.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.
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Driveworks – Driveworks Cylindrical Bearing, S-R1561TV (Part No.S-R1561TV)

Driveworks Cylindrical Bearing, S-R1561TV

from

$32.49
Value-priced bearing meets all cataloged application requirements.
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National – National Multi-Purpose Bearing, R-1581-TV (Part No.R-1581-TV)

National Multi-Purpose Bearing, R-1581-TV

from

$36.49
Manufactured with premium-grade steel, National® cylindrical outer races are designed and engineered to meet OE specifications.
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Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Driveworks – Driveworks Oil Seal, S-2043 (Part No.S-2043)

Driveworks Oil Seal, S-2043

from

$10.79
Value-priced seal meets all cataloged application requirements.
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Driveworks – Driveworks Oil Seal, S-8460N (Part No.S-8460N)

Driveworks Oil Seal, S-8460N

from

$8.99
Value-priced seal meets all cataloged application requirements.
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Felpro – Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55387 (Part No.RDS 55387)

Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55387

from

$8.99
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.
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Richmond Gear – Richmond Gear Differential Ring And Pinion, 69-0298-1 (Part No.69-0298-1)

Richmond Gear Differential Ring And Pinion, 69-0298-1

from

$360.99
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!
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Motive Gear – Motive Gear Differential Ring and Pinion, GM12-342 (Part No.GM12-342)

Motive Gear Differential Ring and Pinion, GM12-342

from

$205.99
Motive Gear Differential Ring and Pinion, GM12-342.
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Dorman – Dorman Differential Cover, 697-703 (Part No.697-703)

Dorman Differential Cover, 697-703

from

$46.99
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.
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Dorman – Dorman Differential Cover, 697-711 (Part No.697-711)

Dorman Differential Cover, 697-711

from

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

Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55063

from

$8.29
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.
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Victor Reinz – Victor Reinz Axle Housing Cover Gasket, 71-14834-00 (Part No.71-14834-00)

Victor Reinz Axle Housing Cover Gasket, 71-14834-00

from

$7.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Driveworks – Driveworks Tapered Roller Bearing, S-M-802048 (Part No.S-M-802048)

Driveworks Tapered Roller Bearing, S-M-802048

from

$17.99
Driveworks Tapered Roller Bearing, S-M-802048.
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Driveworks – Driveworks Taper Bearing Cone, S-HM-88649 (Part No.S-HM-88649)

Driveworks Taper Bearing Cone, S-HM-88649

from

$19.49
Value-priced bearing meets all cataloged application requirements.
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National – National Tapered Roller Bearing Cone, HM88649 (Part No.HM88649)

National Tapered Roller Bearing Cone, HM88649

from

$20.79
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
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LuK – LuK Repair Kit, Differential, GDK325A-MK (Part No.GDK325A-MK)

LuK Repair Kit, Differential, GDK325A-MK

from

$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.
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LuK – LuK Repair Kit, Differential, GDK324 (Part No.GDK324)

LuK Repair Kit, Differential, GDK324

from

$483.99
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.
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Motive Gear – Motive Gear Differential Master Bearing Kit – Koyo, R14RLMKL (Part No.R14RLMKL)

Motive Gear Differential Master Bearing Kit - Koyo, R14RLMKL

from

$149.99
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
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Pro-King – Pro-King Differential Pinion Shim Kit, 743B200 (Part No.743B200)

Pro-King Differential Pinion Shim Kit, 743B200

from

$13.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
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Motive Gear – Motive Gear Differential Carrier Shim Kit, 1101 (Part No.1101)

Motive Gear Differential Carrier Shim Kit, 1101

from

$8.99
High-quality Differential Carrier Shim Kit
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Most Popular Rear Housing Cover Gaskets for 1985 GMC P2500s

Enhance your 1985 GMC P2500 with one of the 2 Rear Housing Cover Gaskets we have in stock, starting at just $7.99.

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

Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55063

from

$8.29
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.
See More

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

Victor Reinz Axle Housing Cover Gasket, 71-14834-00

from

$7.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More

Best-Selling 1985 GMC P2500 Rear Differential Cover Gasket

Upgrade your P2500 with our best-selling Rear Differential Cover Gasket with a 4.5 Starts rating across 20 reviews.

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

Felpro Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, RDS 55387

from

$8.99
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.
See More

Top-Quality Differential Carrier Bearing Set for 1985 GMC P2500s

Choose a high-quality OEM or aftermarket Differential Carrier Bearing Set for GMC P2500s and enjoy top-notch performance from $11.99.

Driveworks – Driveworks Taper Bearing Set, S-A-5 (Part No.S-A-5)

Driveworks Taper Bearing Set, S-A-5

from

$11.99
Value-priced bearing meets all cataloged application requirements.
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Top Picks for 1985 GMC P2500 Differential Oil

Invest in one of our 3 durable Differential Oil for your 1985 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.
See More

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

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
See More

Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and 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 and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: 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. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
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Top-Rated Differential Covers for 1985 GMC P2500s

Make a smart move for your 1985 GMC P2500 with products all priced from $40.99 to $63.99.

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

Dorman Differential Cover, 697-711

from

$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.
See More

Dorman – Dorman Differential Cover, 697-703 (Part No.697-703)

Dorman Differential Cover, 697-703

from

$46.99
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.
See More

ATP – ATP Differential Cover Kit With Internal Magnet, 111104 (Part No.111104)

ATP Differential Cover Kit With Internal Magnet, 111104

from

$40.99
Differential covers can become damaged from road debris, corrosion, or bolt/drain plug over tightening. Their job is to act as a lid keeping lubricants in place for the ring and pinion gears, bearings, and bushings. Without lubricants, the differential quickly become damaged. ATP Differential Cover Kits include a replacement gasket and are designed to fit and function just like the original part ensuring long life and durability.
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Top-Rated Differential Brands For Your 1985 GMC P2500

When it comes to finding the perfect Differential for your 1985 GMC P2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including Felpro, Driveworks, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $8.29. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1985 GMC P2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1985 GMC P2500 Differentials

If you’re looking for a top-quality Differential for your 1985 GMC P2500, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 2 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29 and an average cost of $8.64, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1985 GMC P2500 come highly rated, with over 33 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality Driveworks 1985 GMC P2500 Differentials

For those in search of a high-quality Differential for their 1985 GMC P2500, Advance Auto Parts offers a great selection of Driveworks Differentials. With 2 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 $10.79, with an average price of $11.39, giving you a range of options to suit your budget. Backed by over 71 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.
Driveworks Oil Seal, S-2043
from $10.79
(1)
Driveworks Oil Seal, S-2043
“Didn’t fit my 1992 K1500 10 bolt 8.5″ ring gear rear end. Was told wrong part.”
Driveworks Taper Bearing Set, S-A-5
from $11.99
(70)
Driveworks Taper Bearing Set, S-A-5
“Great”

FAQs for 1985 GMC P2500 Differentials

What are the best-selling Differentials for 1985 GMC P2500s?

Out of 38 Differentials that fit 1985 GMC P2500s, the following parts are the top sellers:

What’s the price range for 1985 GMC P2500 Differentials?

The prices of Differentials for the 1985 GMC P2500 range from $7.99 up to $1,008.00 for the most premium parts.

What is the average price of a Differential for a 1985 GMC P2500?

The average price for Differentials for the 1985 GMC P2500 is $121.11. 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 P2500 model years?

Yes, we carry Differentials for 9 model years of GMC P2500s between 1979 and 1989. The following model years are the most popular for Differential purchases: 1989, 1988, 1987, 1986, 1984, 1983, 1982, 1981, and 1980.

What are the cheapest Differentials for my 1985 GMC P2500?

Does Advance Auto Parts sell Differentials for any other 1985 GMC models?

Yes. We stock Differentials for 22 other popular 1985 GMC models. Some of the most popular are 1985 Jimmy Differentials, 1985 K2500 Differentials, 1985 C2500 Differentials, 1985 K1500 Differentials, and 1985 C1500 Differentials.

What are the top-rated Differentials that fit the 1985 GMC P2500?

Based on 426 reviews by customers, our 1985 GMC P2500 Differentials have an average customer rating of 4.1 stars. These are the highest-rated categories of Differentials for the 1985 GMC P2500 and their top-rated products:

What types of Differentials do you sell for my 1985 GMC P2500?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1985 GMC P2500:

Can I get help with 1985 GMC P2500 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 P2500 Differentials?

Advance Auto Parts keeps returns simple. For new GMC P2500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.