1985 GMC P2500 Differentials

More 1985 GMC P2500 Differentials

Find your specific 1985 GMC P2500 original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1985 GMC P2500 Differentials

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

Differential Pinion Shim Kit

from

$13.99
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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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

from

$8.49
High-quality Differential Carrier Shim Kit

Product Features:
  • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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(3 reviews)
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Pro-King – Differential Internal Nest Kit (Part No.743B717)

Differential Internal Nest Kit

from

$221.99
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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Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

Product Features:
  • Includes three quarts of conventional oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

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$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Motive Gear – Axle Shaft (Part No.MG1774)

Axle Shaft

from

$168.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:
  • AXLE SHAFT 10.5″ 30 SPL. 37 9/16″ R.H.
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Dorman – Rear Axle Shaft, Left or Right (Part No.630-137)

Rear Axle Shaft, Left or Right

from

$304.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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Felpro – Differential Cover Gasket (Part No.RDS 55387)

Differential Cover Gasket

from

$7.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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(20 reviews)
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National – Bearings (Part No.382A)

Bearings

from

$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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(6 reviews)
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National – Bearings (Part No.A-42)

Bearings

from

$50.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Felpro – Differential Cover Gasket (Part No.RDS 55063)

Differential Cover Gasket

from

$6.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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(13 reviews)
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Driveworks – Oil Seal (Part No.S-2286)

Oil Seal

from

$13.29
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Pro-King – Pinion Seal (Part No.716A070)

Pinion Seal

from

$6.69
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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Driveworks – Cylindrical Bearing (Part No.S-R1561TV)

Cylindrical Bearing

from

$31.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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(4 reviews)
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Driveworks – Wheel Bearing (Part No.S-R1581-TV)

Wheel Bearing

from

$27.99
Product Features:
  • Brand may vary by location
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National – Bearings (Part No.R-1581-TV)

Bearings

from

$44.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • High radial load capacity makes them suitable for high speed applications
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More
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Pro-King – Clutch Pack (Part No.717A119)

Clutch Pack

from

$211.99
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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Motive Gear – Differential Crush Sleeve (Part No.3954482)

Differential Crush Sleeve

from

$5.49


Product Features:
  • CRUSH SLV 8 7/8 12BLT TRK
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Pro-King – Crush Sleeve (Part No.723B034)

Crush Sleeve

from

$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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Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)

Tapered Roller Bearing

from

$13.49
Product Features:
  • Brand may vary by location
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National – Bearings (Part No.HM803149)

Bearings

from

$36.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More
View Product

Pro-King – Differential Bearing Cup (Part No.764A256)

Differential Bearing Cup

from

$18.99
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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Driveworks – Taper Bearing Cone (Part No.S-HM-88649)

Taper Bearing Cone

from

$19.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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ATP – DIFF COVER KIT (Part No.111104)

DIFF COVER KIT

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$40.99
DIFF COVER KIT
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Dorman – Rear Differential Cover (Part No.697-711)

Rear Differential Cover

from

$55.99
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
See More

(11 reviews)
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Dorman – Rear Differential Cover (Part No.697-703)

Rear Differential Cover

from

$38.49
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
See More

(15 reviews)
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Pro-King – Differential Carrier Cover (Part No.743B758)

Differential Carrier Cover

from

$26.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
See More
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1985 GMC P2500 Differentials

Maybe you’re in the middle of a full rebuild of that 1985 GMC P2500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 34 different Differentials in our inventory ranging from $3.99 to $304.99. That means you can find the exact parts or products you need to keep that 1985 GMC P2500 running smoothly.

Differentials are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1985 GMC P2500. National, Felpro, and Dorman are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1985 GMC P2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 252 reviews in this category, some of the top rated parts include Rear Differential Cover with 4.8 stars and Tapered Cone Wheel Bearing Assembly with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1985 GMC P2500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1985 GMC P2500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 GMC P2500 demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your P2500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular National Differentials

We carry National parts in our stock across Differential Pinion Seals and Differential Bearings categories, plus more. For a 1985 GMC P2500, our most popular National Differentials include:
Multi Purpose Seal
from $17.49
(1)
Multi Purpose Seal
Differential Pinion Seals
Bearings
from $22.99
(12)
Bearings
Differential Bearings
Bearings
from $16.99
(6)
Bearings
Differential Bearings

Top 1985 GMC P2500 Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1985 GMC P2500. Popular Felpro parts include:
Differential Cover Gasket
from $7.99
(20)
Differential Cover Gasket
Rear Housing Cover Gaskets
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
Rear Differential Cover Gaskets

FAQs for 1985 GMC P2500 Differentials

What are the most purchased Differentials for the 1985 GMC P2500?

Out of 34 Differentials for the 1985 GMC P2500, the most popular in our inventory are:
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Rear Differential Cover
from $38.49
(15)
Rear Differential Cover
Differential Covers
Cylindrical Bearing
from $31.99
(4)
Cylindrical Bearing
Differential Pinion Pilot Bearings

What are the top-rated 1985 GMC P2500 Differentials?

Top-rated Differentials for your 1985 GMC P2500 based on customer reviews/ratings are:
Rear Differential Cover
from $55.99
(11)
Rear Differential Cover
“Good quality cover, nice coat of paint on it. Should outlast the truck.”
Tapered Cone Wheel Bearing Assembly
from $16.99
(2)
Tapered Cone Wheel Bearing Assembly
“Worked sell”

More Popular Parts for All Makes