1984 GMC K1500 Differentials

Essential 1984 GMC K1500 Differentials

Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

Differential Gear Install Kit

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$65.99


Product Features:
  • MINI INSTALL KIT GM 8.5 REAR
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 55075)

DIFFERENTIAL GASKET

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$8.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Motive Gear – Differential Spool (Part No.FS10-30)

Differential Spool

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$187.99


Product Features:
  • FULL SPOOL GM 8.5 30 SPL ST MUST USE 2-LM102911 & 2-LM102949
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Yukon Gear – Standard Open Spider Gear Kit For 8.5" GM With 30 Spline Axles (Part No.16055)

Standard Open Spider Gear Kit For 8.5" GM With 30 Spline Axles

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$207.99
Yukon standard open spider gear kit for 8.5″ GM 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 8.5″ open differential with 30 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement (Part No.33249)

Chrysler 9.25" And Dana 44 / 60 Tracloc Clutch Guide Replacement

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$8.99
Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
  • For Trac Loc positraction applications only
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National – Multi Purpose Seal (Part No.710536)

Multi Purpose Seal

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$34.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Yukon Gear – Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement (Part No.33163)

Dana 25 / 27 / 30 / 36 / 44 / 53 Pinion Nut Washer Replacement

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$3.99
Replacement pinion nut washer for Dana 25, 27, 30, 36, 44 & 53.

Product Features:
  • Pinion nut washer for Dana Spicer 25, 27, 30, 44 and 50
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Yukon Gear – Pinion Install Kit For ’98 & Up GM 9.5" Differential (Part No.13076)

Pinion Install Kit For '98 & Up GM 9.5" Differential

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$319.99
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, 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 1998 and up GM 9.5″
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Yukon Gear – Replacement Trail Repair Kit For Dana 30 And 44 With 1350 Size U/Joint And Straps (Part No.32280)

Replacement Trail Repair Kit For Dana 30 And 44 With 1350 Size U/Joint And Straps

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$481.99
Yukon replacement trail repair kit for Dana 30 and 44 with 1350 size U/joint and straps. This kit comes with a yoke, U/joint, pinion seal, U/bolt or strap kit, pinion nut, and pinion nut washer (if applicable).

Product Features:
  • Fits Dana Spicer 30 and 44
  • 1350 u-joint size
  • Kit includes yoke, U-joint, pinion seal, pinion nut and washer, straps, bolts and threadlocker
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Motive Gear – Differential Carrier Shim Kit (Part No.GM9.5SSK)

Differential Carrier Shim Kit

from

$21.99


Product Features:
  • KIT SHIM SIDE 9.5″ GM
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FAG US – SHAFT SEAL (Part No.SS2685)

SHAFT SEAL

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$11.29
SHAFT SEAL

Pro-King – Differential Ring Gear Bolt (Part No.742G935)

Differential Ring Gear Bolt

from

$1.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – High Performance Ring & Pinion Gear Set For GM 12 Bolt Truck In A 3.42 Ratio (Part No.24460)

High Performance Ring & Pinion Gear Set For GM 12 Bolt Truck In A 3.42 Ratio

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$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
  • 3.42 ratio
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Yukon Gear – Crush Sleeve For Dana 44 JK Rear, 8" GM & 8.25" IFS (Part No.33109)

Crush Sleeve For Dana 44 JK Rear, 8" GM & 8.25" IFS

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$12.99
Crush sleeve for Dana 44 JK rear, 8″ GM & 8.25″ IFS. Approx 0.625″ long.

Product Features:
  • Crush sleeve for GM 8.0″ and 8.25″ IFS
  • 0.625″ tall
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

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

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Yukon Gear – Dana 44 Carrier Installation Kit Replacement (Part No.57003)

Dana 44 Carrier Installation Kit Replacement

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$128.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Dana 44 differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits Dana Spicer 44
  • Includes carrier bearings and races and carrier shim kit
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Yukon Gear – Standard Open Carrier Case, GM 8.25" IFS 3.42 & Up (Part No.20086)

Standard Open Carrier Case, GM 8.25" IFS 3.42 & Up

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$279.99
8.25″ standard open carrier case 3.42 & up gear ratio. The deck height is different for 3.08 applications.

Product Features:
  • Standard open carrier case
  • Fits GM 8.25″
  • 3.42 and up ratio only
  • Does not include spider gears
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ATP – Remanufactured Front Differential Assembly (Part No.111503)

Remanufactured Front Differential Assembly

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$3289.99
Brand new units are no longer available. ATP’s fully remanufactured differentials offer the best alternative to bench rebuilding or buying used. They are carefully inspected and totally reconditioned to meet original specifications and include new bearings and seals. Our units are ready to install, just add oil.

Product Features:
  • Ready to install, just add oil
  • Totally reconditioned
  • New bearings
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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

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$109.99
12P, 12T, CI VET, & 55GM 8460N REDI sleeve yoke saver.Yukon Mighty seal.

Product Features:
  • Pinion Redi-sleeve
  • Fits GM 12 bolt passenger car, 12 bolt truck and 1963-1979 Corvette
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Yukon Gear – Minor Install Kit For GM 8.25" IFS Differential (Part No.12053)

Minor Install Kit For GM 8.25" IFS Differential

from

$46.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:
  • Fits GM 8.25″ IFS
  • Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.
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Yukon Gear – Differential Cover B (Part No.33572)

Differential Cover B

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$7.99
Differential Cover B

Pro-King – Differential Cross Shaft (Part No.742J673)

Differential Cross Shaft

from

$21.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Yukon Gear – Master Overhaul Kit For ’79-’97 GM 9.5" Semi-Float Differential (Part No.14096)

Master Overhaul Kit For '79-'97 GM 9.5" Semi-Float Differential

from

$464.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit 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), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application. Includes Econ shims.

Product Features:
  • Fits 1997 and down GM 9.5″
  • Included are Timken 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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National – Bearings (Part No.31520)

Bearings

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$10.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Super Carrier Shim Kit For GM 9.5" (Part No.55003)

Super Carrier Shim Kit For GM 9.5"

from

$29.99
9.5″ GM differential carrier Supershim kit.

Product Features:
  • Super carrier shim kit for GM 9.5″
  • Interlocking design makes installation much easier
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Yukon Gear – Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette (Part No.55002)

Super Carrier Shim Kit For Ford 8.8", GM 12 Bolt Car & Truck, 8.6 & Vette

from

$59.99
Product Features:
  • Super carrier shim kit for Ford 8.8″, GM 12 bolt passenger car and truck, GM 8.0″, 8.6″, 8.6″ IRS and 1963-1979 Corvette
  • Interlocking design makes installation much easier
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Yukon Gear – Positraction Internals For 8.5" GM With 30 Spline Axles (Part No.16053)

Positraction Internals For 8.5" GM With 30 Spline Axles

from

$352.99
Yukon positraction internals for 8.5″ GM with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. This kit does not include clutches. All components come with a one year warranty against manufacturing defects. This kit is compatible with Yukon Dura Grip or Eaton positractions. It will not fit a factory Gov-Loc positraction.

Product Features:
  • Spider gear kit
  • Fits GM GM 8.5″ and 8.6″ Dura Grip positraction with 30 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and side gear thrust washers.
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Yukon Gear – 10 Bolt Open Spider Gear Set For ’00-’06 8.6" GM With 30 Spline Axles (Part No.16056)

10 Bolt Open Spider Gear Set For '00-'06 8.6" GM With 30 Spline Axles

from

$207.99
10 Bolt open spider gear set for ’00-’06 8.6″ GM with 30 spline axles. Fits case with one large window and one small window. A new carrier case will be needed for ’99 vehicles in order to use this spider gear set. This spider gear set fits casting number 7875 & 1073.

Product Features:
  • Spider gear kit
  • Fits 2000-2006 GM 8.6″ open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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1984 GMC K1500 Differentials

Maybe you’re in the middle of a full rebuild of that 1984 GMC K1500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 278 different Differentials in our inventory ranging from $1.99 to $1,969.99. That means you can find the exact parts or products you need to keep that 1984 GMC K1500 running smoothly.

Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 1984 GMC K1500. Valvoline, FELPRO, and Yukon Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 1984 GMC K1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,024 reviews in this category, some of the top rated parts include Differential Shaft Lock Bolt with 4.0 stars and Bearings with 3.9 stars.

So if you’re in the market for aftermarket Differentials to keep your 1984 GMC K1500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 1984 GMC K1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1984 GMC K1500 demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your K1500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Driveworks Differentials

We carry Driveworks parts in our stock across Differential Pinion Seals categories, plus more. For a 1984 GMC K1500, our most popular Driveworks Differentials include:
Differential Pinion Seal
from $7.79
(1)
Differential Pinion Seal
Differential Pinion Seals
Oil Seal
from $7.79
(1)
Oil Seal
Differential Pinion Seals

Top 1984 GMC K1500 Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1984 GMC K1500. Popular Felpro parts include:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Differential Cover Gaskets

FAQs for 1984 GMC K1500 Differentials

What are the most purchased Differentials for the 1984 GMC K1500?

Out of 278 Differentials for the 1984 GMC K1500, the most popular in our inventory are:
DEX/MERC Automatic Transmission Fluid, 1 Gallon
from $35.99
(17)
DEX/MERC Automatic Transmission Fluid, 1 Gallon
Differential Oil
3 Qt - 80W90 Conventional Gear Oil With Posi Additive
from $57.99
This product is not rated
3 Qt – 80W90 Conventional Gear Oil With Posi Additive
Differential Oil

What are the top-rated 1984 GMC K1500 Differentials?

Top-rated Differentials for your 1984 GMC K1500 based on customer reviews/ratings are:
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
“great”
Bearings
from $23.99
(7)
Bearings
“Good price”
Differential Master Bearing Kit - Koyo
from $156.99
(5)
Differential Master Bearing Kit – Koyo
“was delivered as promised and on time”