1984 GMC K3500 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1984 GMC K3500 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 K3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Differential Covers, and Differential Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Valvoline, and Felpro. For example, National Differentials start at just $13.99 with an average 4.3 star rating. Valvoline and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 2,832 reviews and a solid 5 star average, you can shop with confidence knowing other GMC K3500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1984 GMC K3500 Differential at Advance Auto Parts is around $331.31, with a range that starts at $1.89 and goes up to $2,130.00. With 310 options in stock from 15 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket, 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 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1984 GMC K3500 in peak condition, inside and out.

Essential 1984 GMC K3500 Differentials

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

Motive Gear – Differential Crush Sleeve (Part No.14012691)

Differential Crush Sleeve

from

$2.99


Product Features:
  • CRUSH SLEEVE 9.5 GM 14BLT MIN ORDER 1000
See More

Motive Gear – Differential Spool (Part No.FSD60-35L)

Differential Spool

from

$181.99


Product Features:
  • FULL SPOOL DANA 60 35 SPLINE 4.56 & UP
See More

Motive Gear – Differential Master Bearing Kit – Timken (Part No.R14RLMKHT)

Differential Master Bearing Kit - Timken

from

$186.99
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

Product Features:
  • 88UP 14BLT 10.5 BRG MSTR KIT 4.10
See More

Yukon Gear – Dana 60 & Dana 70 Power Lok Case Bolt (Part No.33236)

Dana 60 & Dana 70 Power Lok Case Bolt

from

$7.99
Dana 60 & Dana 70 Power Lok case bolt.

Product Features:
  • Power Lok case bolt for Dana Spicer 60 and 70
  • 7/16 x 14 thread
  • 3.5″ long
  • 9/16″ hex head
See More

Yukon Gear – Dana 70 & Dana 80 Standard Open Cross Pin Shaft (Part No.33324)

Dana 70 & Dana 80 Standard Open Cross Pin Shaft

from

$69.99
Dana 70 & Dana 80 standard Open cross pin shaft, one piece case.

Product Features:
  • Cross pin shaft
  • Fits Dana Spicer 70 and 80
See More

Pennzoil – Synchromesh Manual Transmission Fluid, Enhances Synchronizer Performance (Part No.3501)

Synchromesh Manual Transmission Fluid, Enhances Synchronizer Performance

from

$12.49
Designed for certain manual transaxles and manual transmissions used by General Motors or Chrysler, Pennzoil Synchromesh fluid provides excellent oxidation stability and low-temperature performance. It’s formulated with high-quality paraffinic base stocks, a fluidity modifier, multifunctional performance additives, corrosion inhibitors, a foam suppressor, and a shear stable viscosity index improver additive. Pennzoil Synchromesh also offers excellent synchronizer performance and compatibility with yellow metals (such as bronze, brass, and copper components found in manual transaxles and transmissions). This product will satisfactorily lubricate General Motors or Chrysler manual transaxles and transmissions from -40 degrees C to +150 degrees C.

Product Features:
  • Transmission fluid designed for certain manual transaxles and manual transmissions used by General Motors or Chrysler
  • Excellent low-temperature performance and oxidation stability
  • Excellent synchronizer performance
  • Excellent compatibility with yellow metals such as bronze, brass, and copper components found in manual transaxles and transmissions
  • Formulated with high-quality paraffinic base stocks, a fluidity modifier, and multifunctional performance additives
  • Meets GM Specification 998564; suitable for use in GM manual transaxles and transmissions requiring GM Part No. 12345349 or 12345577
  • Meets Chrysler specification MS-9224; suitable for use in Chrysler transaxles and transmissions requiring Part No. 0487446
  • For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual
See More

Yukon Gear – Side Gear Thrust Washer For Dana 60, 70 & 80 (Part No.33532)

Side Gear Thrust Washer For Dana 60, 70 & 80

from

$4.99
Product Features:
  • Side gear thrust washer for Dana Spicer 60, 70, 70U, 70HD and 80
  • Fits standard open differentials only
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

Pro-King – Differential Bolt (Part No.718A935)

Differential Bolt

from

$8.29
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 – 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

National – Tapered Roller Bearing Cone (Part No.HM803149)

Tapered Roller Bearing Cone

from

$36.99
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

Yukon Gear – Differential Cover B (Part No.33569)

Differential Cover B

from

$5.99
Differential Cover B

Yukon Gear – Replacement Pinion Nut Washer For Dana 80 (Part No.33165)

Replacement Pinion Nut Washer For Dana 80

from

$5.99
Product Features:
  • Pinion nut washer
  • Fits Dana Spicer 80
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

Spicer – Differential End Yoke (Part No.3-4-11891-1X)

Differential End Yoke

from

$159.99
Demand genuine Spicer. Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.

Product Features:
  • Genuine OE quality. Tested and proven.
  • Built to meet OE standards set by Dana
  • Tested and validated to rigorous OE specifications
  • Latest production upgrades ensure genuine Spicer parts are as good or better than the OE parts they replace
See More

Yukon Gear – Spider Gear Kit (Part No.16183)

Spider Gear Kit

from

$238.99
Spider Gear Kit

USA Standard Gear – Replacement Standard Spider Gear Set For Dana 70, 35 Spline (Part No.39011)

Replacement Standard Spider Gear Set For Dana 70, 35 Spline

from

$249.99
Product Features:
  • Spider gear kit
  • Fit Dana Spicer 70 and 80 open differential with 35 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
See More

Pro-King – Differential Internal Nest Kit (Part No.718C717B)

Differential Internal Nest Kit

from

$422.99
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 – Right Hand Adjuster Lock For 9.25" GM IFS (Part No.33360)

Right Hand Adjuster Lock For 9.25" GM IFS

from

$16.99
Right hand adjuster lock for 9.25″ GM IFS.

Product Features:
  • Side adjuster lock
  • Fits 2010 and down GM 9.25″ IFS
  • Right hand side
See More

Yukon Gear – Pinion Install Kit For Dana 70-HD & Super-70 Differential (Part No.13034)

Pinion Install Kit For Dana 70-HD & Super-70 Differential

from

$324.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits Dana Spicer 70HD
  • Included are pinion bearings and races, pinion seal, pinion nut, complete pinion shim kit, and marking compound with brush.
See More

ATP – DIFF COVER KIT (Part No.111104)

DIFF COVER KIT

from

$40.99
DIFF COVER KIT

Yukon Gear – Set Up Bearing (Part No.56039)

Set Up Bearing

from

$276.99
Set-up carrier bearing kit (2 bearings, no races) for Dana 60 and 70. 387A. No return.

Product Features:
  • Set up bearing kit
  • Fits Dana Spicer 60
  • Easily slips on and off carrier journals to allow for easier carrier shim adjustment
See More

Yukon Gear – Differential (Part No.26048)

Differential

from

$1145.00
Differential

Yukon Gear – Bearing Race Driver (Part No.56014)

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM88510 race
  • All steel construction
See More

Yukon Gear – Differential (Part No.26045)

Differential

from

$1175.00
Differential

Yukon Gear – Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5" (Part No.16112)

Eaton-Type Positraction Carbon Clutch Kit With 14 Plates For GM 14T And 10.5"

from

$304.99
Yukon 1480 Lifetime Series U/Joint. 4.188″ snap ring span, 1.375″ cap diameter. Outside snap ring.

Product Features:
  • Clutch kit
  • Fits GM 10.5″ 14 bolt truck with Eaton positraction
  • Carbon fiber clutches
See More

National – Shaft Repair Sleeve (Part No.99193)

Shaft Repair Sleeve

from

$43.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
See More

Popular 1984 GMC K3500 Differentials Categories

Most Popular Rear Housing Cover Gaskets for 1984 GMC K3500s

Enhance your 1984 GMC K3500 with one of the 3 Rear Housing Cover Gaskets we have in stock, starting at just $8.29.

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

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6095-1)

Axle Housing Cover Gasket Irregular Shaped 10 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
See More

Best-Selling 1984 GMC K3500 Differential Covers

Upgrade your K3500 with one of our 6 best-selling Differential Covers.

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 – Steel Cover For Dana 60 Standard Rotation (Part No.32321)

Steel Cover For Dana 60 Standard Rotation

from

$114.99
Product Features:
  • Fits standard rotation Dana Spicer 60
  • Steel
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

Yukon Gear – Chrome Replacement Cover For Dana 60 And 61 Standard Rotation (Part No.32005)

Chrome Replacement Cover For Dana 60 And 61 Standard Rotation

from

$89.99
Chrome replacement cover for Dana 60 and 61(not reverse rotation!).

Product Features:
  • Fits standard rotation Dana Spicer 60
  • Chrome
See More

Top-Quality Differential Bearings for 1984 GMC K3500s

Choose a high-quality OEM or aftermarket Differential Bearing for GMC K3500s and enjoy top-notch performance from $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

National – Bearing Race (Part No.382S)

Bearing Race

from

$17.99
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

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
See More

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

Top Picks for 1984 GMC K3500 Differential Oil

Invest in one of our 7 durable Differential Oil for your 1984 GMC, knowing you’re getting trusted brands and expert craftsmanship.

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
See More

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

Our Rear Differential Cover Gaskets for 1984 GMC K3500s

Make a smart move for your 1984 GMC K3500 with our Rear Differential Cover Gasket for $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

Top-Rated Differential Brands For Your 1984 GMC K3500

When it comes to finding the perfect Differential for your 1984 GMC K3500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including 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 K3500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1984 GMC K3500 Differentials

If you’re looking for a top-quality Differential for your 1984 GMC K3500, 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 K3500 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.
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.”
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
from $35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”

Top-Quality Felpro 1984 GMC K3500 Differentials

For those in search of a high-quality Differential for their 1984 GMC K3500, 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 K3500 Differentials

What are the best-selling Differentials for 1984 GMC K3500s?

Out of 310 Differentials that fit 1984 GMC K3500s, the following parts are the top sellers:

What’s the price range for 1984 GMC K3500 Differentials?

The prices of Differentials for the 1984 GMC K3500 range from $1.89 up to $2,130.00 for the most premium parts.

What is the average price of a Differential for a 1984 GMC K3500?

The average price for Differentials for the 1984 GMC K3500 is $331.31. 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 K3500 model years?

Yes, we carry Differentials for 18 model years of GMC K3500s 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 K3500?

The cheapest 1984 GMC K3500 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 K3500?

As of 3/1/26, these are some of the most in-demand types of Differentials for a 1984 GMC K3500:

Can I get help with 1984 GMC K3500 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 K3500 Differentials?

Advance Auto Parts keeps returns simple. For new GMC K3500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.