1984 GMC C3500 Differentials

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Keep Your 1984 GMC C3500 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 C3500 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 Covers. 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 Valvoline, Felpro, and National. For example, Valvoline Differentials start at just $12.99 with an average 4.8 star rating. Felpro and National offer similar pricing and quality, backed by strong customer feedback. With over 2,808 reviews and a solid 5 star average, you can shop with confidence knowing other GMC C3500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1984 GMC C3500 Differential at Advance Auto Parts is around $248.95, with a range that starts at $1.89 and goes up to $1,566.99. With 185 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, 3 Qt – 80W90 Conventional Gear Oil With Posi Additive, and 3 Qt – Penzoil 80W90 Conventional Gear Oil 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 1984 GMC C3500 in peak condition, inside and out.

Essential 1984 GMC C3500 Differentials

Yukon Gear – The Carrier Bearing Puller (Part No.56072)

The Carrier Bearing Puller

from

$883.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
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Powertrax – No-Slip Traction System (Part No.9207853005)

No-Slip Traction System

from

$544.99
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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
  • See More

    Richmond Gear – RngPnn (Part No.69-0173-1)

    RngPnn

    from

    $407.99
    RngPnn

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

    Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket

    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.

    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
    See More

    Yukon Gear – Replacement Carrier Shim Kit For Dana 60, 70, 70HD, 70U & 80 (Part No.55011)

    Replacement Carrier Shim Kit For Dana 60, 70, 70HD, 70U & 80

    from

    $13.99
    Product Features:
    • Carrier shim kit for Dana Spicer 60, 70, 70HD, 70U and 80
    See More

    Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

    Differential Cover Gasket

    from

    $9.99
    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.

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

    Repair Kit, Differential

    from

    $644.99
    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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    Yukon Gear – Replacement Yoke For Dana 80 With A 1550 U/Joint Size (Part No.41215)

    Replacement Yoke For Dana 80 With A 1550 U/Joint Size

    from

    $349.99
    Yukon replacement yoke for Dana 80 with a 1550 U/joint size. 4.964″ snap ring span, 1.375″ cap diameter. Outside snap ring.This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.
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    Motive Gear – Differential Gear Install Kit (Part No.D70IK)

    Differential Gear Install Kit

    from

    $111.99


    Product Features:
    • MINI-INSTLTN KIT-DANA 70
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    Motive Gear – Differential Pinion Seal (Part No.26064029)

    Differential Pinion Seal

    from

    $42.99
    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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    Yukon Gear – Replacement Outer Oil Slinger For Dana 60, 70, 70U & 70HD (Part No.33019)

    Replacement Outer Oil Slinger For Dana 60, 70, 70U & 70HD

    from

    $5.99
    Product Features:
    • Outer oil slinger for Dana Spicer 60, 70, 70U and 70HD
    See More

    Yukon Gear – Set Up Bearing (Part No.56040)

    Set Up Bearing

    from

    $264.99
    Set-up carrier bearing kti (2 bearings, no races) for Dana 70 HD and Dana 80. 469. No return.

    Product Features:
    • Set up bearing kit
    • Fits Dana Spicer 80
    • Easily slips on and off carrier journals to allow for easier carrier shim adjustment
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    Yukon Gear – Dana 80 Tracloc Clutch Set Round Design (Part No.16157)

    Dana 80 Tracloc Clutch Set Round Design

    from

    $502.99
    Dana 80 TracLoc clutch set round design (remove 4 plates 4 V-Type).

    Product Features:
    • Clutch kit
    • Fit Dana Spicer 80 Trac Loc positraction
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    Yukon Gear – 14T Side Gear Thrust Washer (Part No.33383)

    14T Side Gear Thrust Washer

    from

    $7.99
    14T side gear Thrust washer.

    Product Features:
    • Side gear thrust washer
    • Fits GM 10.5″ 14 bolt truck
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    Yukon Gear – Set Up Bearing (Part No.56045)

    Set Up Bearing

    from

    $153.99
    M802048 set-up bearing (one bearing). No return.

    Product Features:
    • Set up bearing
    • Fits M802048 pinion bearing
    • Easily slips on and off pinion journal to allow for easier pinion depth adjustment
    See More

    Castrol – Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon (Part No.15E0C8)

    Transmax ATF/CVT Universal Transmission Fluid, Smooth Performance, 1 Gallon

    from

    $28.99
    Castrol® Transmax® ATF/CVT Universal is a premium full-synthetic transmission fluid engineered for exceptional performance in both traditional step-shifting automatic transmissions and modern continuously variable transmissions (CVTs). Featuring Castrol Smooth Drive® Technology, it ensures enhanced friction durability for seamless gear shifts and superior high-temperature protection to resist oxidation. This advanced formulation offers unmatched protection against copper corrosion, extending the life of your transmission system. Its broad compatibility covers a wide range of ATF and CVT applications, including Dexron VI, Mercon LV, Toyota WS, Honda DW-1, Nissan Matic S, and many more, making it ideal for diverse vehicle types, including hybrids. Designed to improve workshop efficiency and simplify inventory management, this fluid is a versatile solution for professional mechanics and DIY enthusiasts alike. Packaged in a convenient 1-gallon size, it delivers outstanding value and reliability for maintaining optimal transmission performance.

    Product Features:
    • Enhanced friction durability for smooth transmission performance
    • Superior high temperature protection to effectively resist oxidation
    • Unsurpassed protection against copper corrosion
    • Broad scope of vehicle applications improves workshop efficiency and inventory management
    • ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
    • ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
    • ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
    • CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
    See More

    Yukon Gear – 10.5" GM 14 Bolt Truck Ring Gear Bolt (Part No.33051)

    10.5" GM 14 Bolt Truck Ring Gear Bolt

    from

    $10.99
    14T ring gear bolt 4.11 & down. 9/16″ x 18. 2.085″ overall length.

    Product Features:
    • Ring gear bolt for GM 10.5″ 14 bolt truck
    • 4.11 and down ratio
    • 1/2″ x 18 thread
    • 2.085″ overall length
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    Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

    DiffrlPinSupportBolt

    from

    $5.99
    DiffrlPinSupportBolt

    Yukon Gear – Standard Open Spider Gear Kit For GM 10.5" And 14T With 30 Spline Axles (Part No.16044)

    Standard Open Spider Gear Kit For GM 10.5" And 14T With 30 Spline Axles

    from

    $315.99
    Yukon standard open spider gear kit for GM 10.5″ and 14T with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits GM 10.5″ 14 bolt truck open differential
    • Includes two side gears, four pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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    Pro-King – Differential Cover Gasket (Part No.743B303)

    Differential Cover Gasket

    from

    $3.99
    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 – Steel Spool For Dana 80 With 35 Spline Axles, 4.10 & Up (Part No.32172)

    Steel Spool For Dana 80 With 35 Spline Axles, 4.10 & Up

    from

    $747.99
    Yukon Performance steel spool for 8Dana 80 with 35 spline axles, 4.10 & up. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits Chrysler Dana Spicer 80 with 35 spline axles
    • 4.10 and up ratio only
    • Provides 100% traction to both wheels at all times
    • Not recommended for street driven vehicles
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    Yukon Gear – Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles (Part No.28015)

    Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles

    from

    $859.99
    The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

    Product Features:
    • Fits GM 10.5″ 14 bolt truck
    • Installs into standard open carrier
    • Patented internal design reduces common locker failures
    • 8620 internals for added strength
    • Assembled in the USA
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    Yukon Gear – Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD (Part No.30228)

    Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD

    from

    $37.99
    Replacement redi-sleeve yoke saver for 8.75″ c, 9.25″ c, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD .Yukon Mighty seal.

    Product Features:
    • Redi-Sleeve yoke saver
    • Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD
    See More

    Motive Gear – Differential Carrier (Part No.6258336)

    Differential Carrier

    from

    $211.99


    Product Features:
    • GM10.5″ 14 BOLT OPEN EMPTY CASE 4:10 & DWN
    See More

    Yukon Gear – Dura Grip Positraction For 10.5" GM 14 Bolt Truck, 4.10 & Down (Part No.26030)

    Dura Grip Positraction For 10.5" GM 14 Bolt Truck, 4.10 & Down

    from

    $1110.00
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

    Product Features:
    • Fits GM 10.5″ 14 bolt truck
    • 4.10 ratio and down only
    • Clutch style positraction
    • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
    • Fully rebuildable
    • Assembled in the USA
    See More

    Yukon Gear – Replacement Outer Oil Baffle For Dana 80 (Part No.33004)

    Replacement Outer Oil Baffle For Dana 80

    from

    $19.99
    Product Features:
    • Oil baffle
    • Fits Dana Spicer 80
    See More

    Yukon Gear – Dana 60 & Dana 70 Power Lok Cross Pin Shaft (Two Needed) (Part No.33315)

    Dana 60 & Dana 70 Power Lok Cross Pin Shaft (Two Needed)

    from

    $156.99
    Dana 60 & Dana 70 Power Lok cross pin shaft (TWO needed).

    Product Features:
    • Cross pin shaft
    • Fits Dana Spicer 60 and 70
    • Powr Lok positraction only
    See More

    Yukon Gear – Dana 60, Dana 70 & Dana 80 Cover Bolt (Part No.33235)

    Dana 60, Dana 70 & Dana 80 Cover Bolt

    from

    $5.99
    3/8″ cover bolt, Dana 60, Dana 70 & Dana 80.

    Product Features:
    • Cover bolt for Dana Spicer 60, 70 and 80
    • 3/8″
    See More

    Most Popular Differential Bearings for 1984 GMC C3500s

    Enhance your 1984 GMC C3500 with one of the 4 Differential Bearings we have in stock, starting at just $13.99.

    National – Bearing Race (Part No.382A)

    Bearing Race

    from

    $13.99
    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

    National – Tapered Roller Bearing Cone (Part No.469)

    Tapered Roller Bearing Cone

    from

    $43.99
    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.K387-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

    $20.79
    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 C3500 Differential Oil

    Upgrade your C3500 with one of our 7 best-selling Differential Oil, earning an average 5 stars rating across 681 reviews.

    Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

    from

    $35.99
    Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

    Product Features:
    • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
    • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
    • Developed with anti-wear technology to help improve transmission durability
    • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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    Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)

    High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart

    from

    $12.99
    Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.

    Product Features:
    • Formulated for reliable gear protection
    • Protects against severe temperatures to help extend service life
    • Formulated with extreme-pressure additives to minimize gear wear from shock loads
    • Helps protect against gear wear from scuffing, scouring, corrosion and pitting
    • Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
    • PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials
    See More

    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
    3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

    Product Features:
    • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
    See More

    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
    See More

    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 Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
    See More

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

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    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 Synthetic “Shock Proof” Oil. 4 Quarts.

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

    Top-Quality Differential Covers for 1984 GMC C3500s

    Choose a high-quality OEM or aftermarket Differential Cover for GMC C3500s and enjoy top-notch performance from $59.99.

    Yukon Gear – Steel Cover For Dana 70 (Part No.32322)

    Steel Cover For Dana 70

    from

    $149.99
    Product Features:
    • Fits Dana Spicer 70
    • Steel
    See More

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

    Steel Cover For GM 10.5" 14 Bolt Truck

    from

    $92.99
    Product Features:
    • Fits GM 10.5″ 14 bolt truck
    • Steel
    See More

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

    Chrome Cover For 10.5" GM 14 Bolt Truck

    from

    $59.99
    Chrome cover for GM 14T.

    Product Features:
    • Fits GM 10.5″ 14 bolt truck
    • Chrome
    See More

    Yukon Gear – Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70 (Part No.32352)

    Hardcore Diff Cover For Dana 50, Dana 60 & Dana 70

    from

    $288.99
    Product Features:
    • Nodular iron for added strength
    • Thick design
    • Durable powder coat finish
    • Magnetic drain plug
    • Made in USA
    • High strength stainless steel fasteners
    See More

    Top Picks for 1984 GMC C3500 Rear Housing Cover Gaskets

    Invest in one of our 2 durable Rear Housing Cover Gaskets for your 1984 GMC, knowing you’re getting trusted brands and expert craftsmanship.

    Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6014)

    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

    from

    $17.99
    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

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

    Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket

    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.

    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
    See More

    Rear Differential Cover Gaskets for 1984 GMC C3500s

    Make a smart move for your 1984 GMC C3500 with products all priced from $3.99 to $13.99.

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

    GM 10.5' 14 Bolt Truck Cover Gasket

    from

    $13.99
    14T cover gasket.

    Product Features:
    • Cover gasket
    • Fits GM 10.5″ 14 bolt truck
    See More

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

    Differential Cover Gasket

    from

    $3.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • Meets or exceeds OE specifications
    See More

    Top-Rated Differential Brands For Your 1984 GMC C3500

    When it comes to finding the perfect Differential for your 1984 GMC C3500, 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 Valvoline, Felpro, and National, and more, all known for their exceptional customer ratings (average brand rating of 4.8 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 1984 GMC C3500, providing peace of mind with parts that meet or exceed OEM standards.

    Popular Valvoline 1984 GMC C3500 Differentials

    If you’re looking for a top-quality Differential for your 1984 GMC C3500, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 2 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.99 and an average cost of $24.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1984 GMC C3500 come highly rated, with over 681 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    from $35.99
    (446)
    MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
    “Good quality great price”
    High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart
    from $12.99
    (235)
    High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart
    “Good quality oil. Does it’s job.”

    Top-Quality Felpro 1984 GMC C3500 Differentials

    For those in search of a high-quality Differential for their 1984 GMC C3500, Advance Auto Parts offers a great selection of Felpro Differentials. With 2 Felpro 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 $8.29, with an average price of $13.14, giving you a range of options to suit your budget. Backed by over 14 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    from $17.99
    (1)
    Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
    “OEM only uses silicone , the gasket set with a thin layer of silicone is a much better sealant method”

    FAQs for 1984 GMC C3500 Differentials

    What are the best-selling Differentials for 1984 GMC C3500s?

    Out of 185 Differentials that fit 1984 GMC C3500s, the following parts are the top sellers:

    What’s the price range for 1984 GMC C3500 Differentials?

    The prices of Differentials for the 1984 GMC C3500 range from $1.89 up to $1,566.99 for the most premium parts.

    What is the average price of a Differential for a 1984 GMC C3500?

    The average price for Differentials for the 1984 GMC C3500 is $248.95. 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 C3500 model years?

    Yes, we carry Differentials for 18 model years of GMC C3500s 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 1984 GMC C3500?

    The cheapest 1984 GMC C3500 Differentials we carry are:

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

    Yes. We stock Differentials for 23 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 C3500?

    As of 3/1/26, these are some of the most in-demand types of Differentials for a 1984 GMC C3500:

    Can I get help with 1984 GMC C3500 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 C3500 Differentials?

    Advance Auto Parts keeps returns simple. For new GMC C3500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.