1984 GMC G25/G2500 Van Differentials

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Keep Your 1984 GMC G25/G2500 Van in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1984 GMC G25/G2500 Van looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Oil, and Differential Pinion Seals. 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 Motive Gear, Driveworks, and National. For example, Motive Gear Differentials start at just $7.99 with an average 4.0 star rating. Driveworks and National offer similar pricing and quality, backed by strong customer feedback. With over 1,382 reviews and a solid 4 star average, you can shop with confidence knowing other GMC G25/G2500 Van owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1984 GMC G25/G2500 Van Differential at Advance Auto Parts is around $206.79, with a range that starts at $2.59 and goes up to $929.99. With 199 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket, 3 Qt – 80W90 Conventional Gear Oil with Posi Additive, and Tapered Roller Bearing Cone start at just $10.99 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 1984 GMC G25/G2500 Van in peak condition, inside and out.

Essential 1984 GMC G25/G2500 Van Differentials

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

Differential Shaft Lock Bolt

from

$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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Yukon Gear – Differential (Part No.26052)

Differential

from

$709.99
Differential

Richmond Gear – Differential Gear Install Kit (Part No.83-1018-B)

Differential Gear Install Kit

from

$39.49
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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National – Multi-Purpose Seal (Part No.8460N)

Multi-Purpose Seal

from

$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; 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
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Yukon Gear – 14 Plate Dura Grip Comp Clutches GM 8.2"/GM 8.5"/12T/12P/Ford 8.8"/CastIronVette (Part No.16064)

14 Plate Dura Grip Comp Clutches GM 8.2"/GM 8.5"/12T/12P/Ford 8.8"/CastIronVette

from

$373.99
This Yukon Gear & Axle clutch kit is a direct replacement for the popular Yukon Dura Grip positraction unit.

Product Features:
  • Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ differentials
  • Dura Grip composite replacement clutches
  • 14 piece kit
  • Composite clutches
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Yukon Gear – Chrome Moly Cross Pin Shaft for Mini-Spool for GM 12 Bolt Car and Truck (Part No.32236)

Chrome Moly Cross Pin Shaft for Mini-Spool for GM 12 Bolt Car and Truck

from

$61.99
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.

Product Features:
  • Hardened cross pin shaft
  • Fits GM 12 bolt passenger car and truck
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Yukon Gear – Pinion Install Kit for GM 8.5" Differential (Part No.13069)

Pinion Install Kit for GM 8.5" Differential

from

$173.99
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 GM 8.5″ rear
  • Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.
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Pro-King – Differential Cover Plug (Part No.742G484)

Differential Cover Plug

from

$6.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

Yukon Gear – High Performance Ring & Pinion Gear Set For GM 12 Bolt Truck In A 4.56 Ratio (Part No.24132)

High Performance Ring & Pinion Gear Set For GM 12 Bolt Truck In A 4.56 Ratio

from

$384.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits GM 12 bolt truck
  • 8.875″ ring gear diameter
  • 30 spline pinion
  • 12 ring gear bolts
  • 4.56 ratio
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Yukon Gear – 1541H Alloy 5 Lug Rear Axle for GM 12T and 8.5" 2Wd Van (Part No.21272)

1541H Alloy 5 Lug Rear Axle for GM 12T and 8.5" 2Wd Van

from

$234.99
Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat-treating technologies provide a stronger-than-stock axle for off-road, on the street, or at the track.

Product Features:
  • Fits GM 12 bolt truck with 2 wheel drive and van
  • 30 spline
  • 33 3/8″ long
  • 5 lug
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Motive Gear – Differential Pinion Nut (Part No.3752901)

Differential Pinion Nut

from

$7.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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USA Standard Gear – Differential Rebuild Kit (Part No.37043)

Differential Rebuild Kit

from

$194.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits GM 12 bolt truck
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
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Motive Gear – Differential Crush Sleeve (Part No.3954482)

Differential Crush Sleeve

from

$5.99


Product Features:
  • CRUSH SLV 8 7/8 12BLT TRK
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Yukon Gear – Super Carrier Shim Kit for Ford 7.5", GM 7.5", 8.2" & 8.5 (Part No.55001)

Super Carrier Shim Kit for Ford 7.5", GM 7.5", 8.2" & 8.5

from

$59.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:
  • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
  • Interlocking design makes installation much easier
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Yukon Gear – 12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver (Part No.30225)

12P, 12T, CI Vet, & 55GM 8460N Redi Sleeve Yoke Saver

from

$109.99
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 Redi-sleeve
  • Fits GM 12 bolt passenger car, 12 bolt truck and 1963-1979 Corvette
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Yukon Gear – 8.5" & 8.2" GM carrier installation kit (Part No.57008)

8.5" & 8.2" GM carrier installation kit

from

$109.99
Yukon Carrier Installation Kits are a convenient and low-cost solution for carrier changes in cases where one is upgrading to a positraction limited slip differential, a mechanical locker, or an air operated locker. These kits contain carrier bearings and races and a carrier shim kit.

Product Features:
  • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
  • Includes carrier bearings and races and “super” carrier shim kit
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Yukon Gear – Standard Open Carrier Case, GM 8.5", 2.73 & Up (Part No.20083)

Standard Open Carrier Case, GM 8.5", 2.73 & Up

from

$239.99
8.5″ GM standard Open case, 2.73 & up, 28 or 30 spline.

Product Features:
  • Standard open carrier case
  • Fits GM 8.5″ with 28 or 30 spline axles
  • 2.73 and up ratio only
  • Does not include spider gears
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Yukon Gear – Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs (Part No.56020)

Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs

from

$215.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • Fits M802011 race
  • All-steel construction
  • For accurate installation of bearing races
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Pro-King – Differential Pinion Gear Washer (Part No.742G216)

Differential Pinion Gear Washer

from

$2.59
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
See More

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

Taper Bearing Set

from

$13.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

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

Product Features:
  • Includes four quarts of Redline Shockproof oil
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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)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

from

$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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Felpro – Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket (Part No.RDS 13391)

Axle Housing Cover Gasket Irregular Shaped 12 Bolt Hole Gasket

from

$9.49
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
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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USA Standard Gear – Differential Open Unit/Component (Part No.59011)

Differential Open Unit/Component

from

$139.99
Product Features:
  • Fits GM 8.5″ with 28 spline axles
  • Installs into a standard open carrier case
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
  • Mini spool
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Motive Gear – Differential Mini Spool (Part No.MS10-28)

Differential Mini Spool

from

$98.99


Product Features:
  • MINI SPOOL GM 10 BOLT 8 1/2″ 28 SPLINE
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Motive Gear – Differential Crush Sleeve (Part No.1118)

Differential Crush Sleeve

from

$6.99


Product Features:
  • DANA PRELOAD SHIMS (D60 & D70)
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National – Tapered Roller Bearing Cone (Part No.HM89449)

Tapered Roller Bearing Cone

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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Yukon Gear – 18 Plate Carbon Clutches, GM 8.2"/GM 8.5"/12T/12P/Ford 8.8"/Cast Iron Vette (Part No.16110)

18 Plate Carbon Clutches, GM 8.2"/GM 8.5"/12T/12P/Ford 8.8"/Cast Iron Vette

from

$483.99
Yukon Gear & Axle clutch kits fit popular GM diffs outfitted with a Yukon Dura Grip positraction unit feature 18 steel clutch plates, ensuring total traction and long-lasting performance.

Product Features:
  • Clutch 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
  • 18 piece kit
  • Steel clutches
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Most Popular Differential Bearings for 1984 GMC G25/G2500 Vans

Enhance your 1984 GMC G25/G2500 Van with one of the 10 Differential Bearings we have in stock, starting at just $6.99.

National – Bearing Race (Part No.LM501314)

Bearing Race

from

$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
See More

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

Taper Bearing Cone

from

$10.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

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

Tapered Roller Bearing Cone

from

$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
See More

Schaeffler – Cone (Part No.KJLM506849-A)

Cone

from

$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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Schaeffler – Cup (Part No.382A)

Cup

from

$18.99
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
See More

Schaeffler – Wheel Balancer Cone (Part No.KLM104949)

Wheel Balancer Cone

from

$17.99
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
See More

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Bearing - TRB (Tapered Roller Bearing)

from

$14.99
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
See More

Schaeffler – Cup (Part No.LM104911)

Cup

from

$11.99
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
See More

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

Cross Pin Bolt

from

$6.99
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.

Product Features:
  • 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
See More

Schaeffler – Cup (Part No.LM48510)

Cup

from

$6.99
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
See More

Best-Selling 1984 GMC G25/G2500 Van Differential Oil

Upgrade your G25/G2500 Van with one of our 6 best-selling Differential Oil, earning an average 5 stars rating across 446 reviews.

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

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

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

3 Qt - 80W90 Conventional Gear Oil with Posi Additive

from

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

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

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

Redline Synthetic "Shock Proof" Oil with Positraction Additive - 4 Quarts

from

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

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:
  • Includes three quarts of Redline Shockproof oil
See More

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

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

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

Product Features:
  • Includes four quarts of Redline Shockproof oil
See More

Top-Quality Differential Pinion Seals for 1984 GMC G25/G2500 Vans

Choose a high-quality OEM or aftermarket Differential Pinion Seal for GMC G25/G2500 Vans and enjoy top-notch performance from $16.99.

Schaeffler – Shaft Seal (Part No.SS2987)

Shaft Seal

from

$16.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

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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Top Picks for 1984 GMC G25/G2500 Van Differential Covers

Invest in one of our 3 durable Differential Covers for your 1984 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Yukon Gear – Chrome Cover for 8.6", 8.5" and 8.2" GM Rear (Part No.32017)

Chrome Cover for 8.6", 8.5" and 8.2" GM Rear

from

$74.99
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 8.2″, 8.5″ and 8.6″
  • Chrome
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Yukon Gear – Polished Aluminum Cover for 8.6", 8.2" and 8.5" GM Rear (Part No.32030)

Polished Aluminum Cover for 8.6", 8.2" and 8.5" GM Rear

from

$255.99
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 GM 8.5″ and 8.6″
  • Finned polished aluminum
See More

Yukon Gear – Steel Cover for GM 8.2" & 8.5" Rear (Part No.32332)

Steel Cover for GM 8.2" & 8.5" Rear

from

$123.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits GM 8.2″, 8.5″ and 8.6″
  • Steel
See More

Top-Rated Rear Differential Cover Gaskets for 1984 GMC G25/G2500 Vans

Make a smart move for your 1984 GMC G25/G2500 Van with products all priced from $10.99 to $31.49.

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

Axle Housing Cover Gasket Oval Shaped 10 Bolt Hole Gasket

from

$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
See More

Pro-King – Differential Cover Gasket (Part No.742G303A)

Differential Cover Gasket

from

$31.49
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • Meets or exceeds OE specifications
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Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

8.2" & 8.5" Rear Cover Gasket

from

$10.99
8.2″ & 8.5″ rear cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 8.2″, 8.5″ and 8.6″
See More

Top-Rated Differential Brands For Your 1984 GMC G25/G2500 Van

When it comes to finding the perfect Differential for your 1984 GMC G25/G2500 Van, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 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 1984 GMC G25/G2500 Van, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1984 GMC G25/G2500 Van Differentials

If you’re looking for a top-quality Differential for your 1984 GMC G25/G2500 Van, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 2 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 $18.99, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1984 GMC G25/G2500 Van come highly rated, with over 9 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.
Bearing Race
from $11.99
(2)
Bearing Race
“Reasonable price and woks well. front diff 2006 Escalade esv”
Tapered Roller Bearing Cone
from $25.99
(7)
Tapered Roller Bearing Cone
“Good price”

Top-Quality Driveworks 1984 GMC G25/G2500 Van Differentials

For those in search of a high-quality Differential for their 1984 GMC G25/G2500 Van, 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.
Taper Bearing Cone
from $10.99
(3)
Taper Bearing Cone
“Worked for my 2006 escalade esv front diff”
Tapered Cup Wheel Bearing Assembly
from $8.99
(2)
Tapered Cup Wheel Bearing Assembly
“They had the part when nobody else did.”
Taper Bearing Cone
from $11.99
(1)
Taper Bearing Cone
“Part fit perfectly. Just have to see how long it lasts”

FAQs for 1984 GMC G25/G2500 Van Differentials

What are the best-selling Differentials for 1984 GMC G25/G2500 Vans?

Out of 199 Differentials that fit 1984 GMC G25/G2500 Vans, the following parts are the top sellers:

What’s the price range for 1984 GMC G25/G2500 Van Differentials?

The prices of Differentials for the 1984 GMC G25/G2500 Van range from $2.59 up to $929.99 for the most premium parts.

What is the average price of a Differential for a 1984 GMC G25/G2500 Van?

The average price for Differentials for the 1984 GMC G25/G2500 Van is $206.79. 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 G25/G2500 Van model years?

Yes, we carry Differentials for 6 model years of GMC G25/G2500 Vans between 1967 and 1974. The following model years are the most popular for Differential purchases: 1974, 1973, 1972, 1971, 1970, 1969, and 1967.

What are the cheapest Differentials for my 1984 GMC G25/G2500 Van?

The cheapest 1984 GMC G25/G2500 Van Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1984 GMC models?

Yes. We stock Differentials for 20 other popular 1984 GMC models. Some of the most popular are 1984 Jimmy Differentials, 1984 K2500 Differentials, 1984 C2500 Differentials, 1984 K1500 Differentials, and 1984 C1500 Differentials.

What types of Differentials do you sell for my 1984 GMC G25/G2500 Van?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1984 GMC G25/G2500 Van:

Can I get help with 1984 GMC G25/G2500 Van 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 G25/G2500 Van Differentials?

Advance Auto Parts keeps returns simple. For new GMC G25/G2500 Van Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.