1998 GMC K2500 Differentials

Essential 1998 GMC K2500 Differentials

Yukon Gear – Pinion Nut (Part No.33152)

Pinion Nut

from

$9.99
Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:
  • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
  • 7/8″ x 14 thread
  • 1 1/4″ socket
See More

Yukon Gear – High Performance Replacement Ring & Pinion Gear Set For Dana 44 In A 5.89 Ratio (Part No.24046)

High Performance Replacement Ring & Pinion Gear Set For Dana 44 In A 5.89 Ratio

from

$354.99
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 standard rotation Dana Spicer 44
  • 8.50″ ring gear diameter
  • 26 spline pinion
  • 10 ring gear bolts
  • 5.89 ratio
See More

National – Taper Bearing Cone (Part No.LM501349)

Taper Bearing Cone

from

$17.99
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 – Bearings (Part No.31594)

Bearings

from

$29.99
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
See More

Yukon Gear – Adjuster Lock Bolt For Left Hand Case Half Of 7.2" And 9.25" GM IFS (Part No.33244)

Adjuster Lock Bolt For Left Hand Case Half Of 7.2" And 9.25" GM IFS

from

$32.99
Adjuster lock bolt for left hand case half of 7.2″ and 9.25″ GM IFS.

Product Features:
  • Side adjuster lock bolt
  • Fits GM 7.2″ IFS and 9.25″ IFS
See More

Motive Gear – Axle Shaft (Part No.GM10FAXL)

Axle Shaft

from

$259.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:
  • GM 10BL 8.5 AXLE LEFT SIDE, 77-87
See More

Yukon Gear – Bearing Race Driver (Part No.56012)

Bearing Race Driver

from

$215.99
Bearing race driver for rear GM 9.5″, 9.25″ IFS, and Ford 9″ HD. (TK HM804810). No return.

Product Features:
  • Bearing race driver
  • Fits HM804810 race
  • All steel construction
See More

Pro-King – Differential Pinion Gear Washer (Part No.744A216)

Differential Pinion Gear Washer

from

$3.19
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

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

Yukon Gear – Positraction Internals For 8.5" GM With 28 Spline Axles (Part No.16052)

Positraction Internals For 8.5" GM With 28 Spline Axles

from

$336.99
Yukon positraction internals (0.795″ diameter) for 8.5″ GM with 28 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 8.5″ with 28 spline Dura Grip positraction
  • Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
See More

Pro-King – Differential Internal Nest Kit (Part No.743B717)

Differential Internal Nest Kit

from

$221.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

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

National – Multi Purpose Seal (Part No.710281)

Multi Purpose Seal

from

$19.79
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
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

MTC – Differential Drain P (Part No.J7065587755MTC)

Differential Drain P

from

$11.58
Differential Drain P

Yukon Gear – Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS (Part No.33342)

Standard Open And Gov-Loc Cross Pin Bolt With M10X1.5 Thread For 9.5" And 9.25" GM IFS

from

$23.99
Product Features:
  • Cross pin bolt
  • Fits GM 9.5″ and 9.25″ IFS
See More

Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Aggressive (Part No.16151)

Replacement Clutch Set For Dana 44 Powr Lok, Aggressive

from

$232.99
Product Features:
  • Clutch kit
  • Fits Dana Spicer 44 and Chrysler 8.75″ Powr Lok
  • Aggressive design
See More

USA Standard Gear – Master Overhaul Kit for ’97-’13 GM 9.5" Differential (Part No.37073)

Master Overhaul Kit for '97-'13 GM 9.5" Differential

from

$431.99
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 1998 and up GM 9.5″
  • 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.
See More

National – Bearings (Part No.M88010)

Bearings

from

$10.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

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

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

from

$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
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 – O-Ring For Left Hand Carrier Bearing Adjuster For 9.25" GM IFS (Part No.33133)

O-Ring For Left Hand Carrier Bearing Adjuster For 9.25" GM IFS

from

$15.99
O-ring for left hand carrier bearing adjuster for 9.25″ GM IFS.

Product Features:
  • Axle o-ring
  • Fits Chrysler 9.25″ IFS
See More

Yukon Gear – 10.5" GM 14 Bolt Truck Ring Gear Bolt (Part No.33050)

10.5" GM 14 Bolt Truck Ring Gear Bolt

from

$11.99
10.5″ GM 14 bolt truck ring gear bolt 4.56 & up. 9/16″ x 18. 2.522″ overall length.

Product Features:
  • Ring gear bolt for GM 10.5″ 14 bolt truck
  • 4.56 and up ratio
  • 1/2″ x 18 thread
  • 2.522″ overall length
See More

Yukon Gear – Pinion Install Kit For Dana 44 Differential (Part No.13020)

Pinion Install Kit For Dana 44 Differential

from

$264.99
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 standard rotation Dana Spicer 44 front
  • Included are pinion bearings and races, pinion seal, complete pinion shim kit, and marking compound with brush.
See More

Powertrax – Grip LS Traction System (Part No.LS201028)

Grip LS Traction System

from

$463.99
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!
See More

Spectre – Differential Cover (Part No.6077)

Differential Cover

from

$54.99
Spectre’s Differential Covers are made to OEM specifications and are triple chrome plated for a lasting shine. Designed to protect the intricate moving parts of the differential, Spectre’s covers add an extra layer of protection to the vehicle’s underside. Featuring a 10-bolt design and including a gasket, this differential cover is designed to fit 1977-1991 Chevy/GMC Pickup/Suburban 1/2-3/4 ton four wheel drive front differentials. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

Product Features:
  • 10 bolt design cover
  • Includes gasket
  • Triple chrome plated for a lasting shine
  • 10 chrome 5/16 inch -18 x 3/4 inch differential cover bolts included
See More

Yukon Gear – Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles (Part No.16005)

Power Lok Positraction Internals For Dana 44 And Chysler 8.75" With 30 Spline Axles

from

$503.99
Yukon Power Lok positraction replacement internals for Dana 44 and Chysler 8.75″ 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.

Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
  • Includes two side gears, four pinion gears, cross pin shafts and side gear thrust washers.
See More

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

Differential Cover B

from

$5.99
Differential Cover B

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

Mr. Gasket – Differential Gasket (Part No.84B)

Differential Gasket

from

$18.09
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit. Fits 1964-1970 Chevrolet 8.2 inch 10 bolt & 1970-1981 GM 8.5 inch ring gear

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
See More

1998 GMC K2500 Differentials

Maybe you’re in the middle of a full rebuild of that 1998 GMC K2500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 239 different Differentials in our inventory ranging from $2.99 to $1,374.99. That means you can find the exact parts or products you need to keep that 1998 GMC K2500 running smoothly.

Differentials are only as good as their brand. We stock 16 different brands to make sure you have plenty of trusted parts to choose from for your 1998 GMC K2500. Valvoline, Pennzoil, and National 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 1998 GMC K2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 3,380 reviews in this category, some of the top rated parts include Ring and Pinion Bearing Installation Kit with 3.8 stars and Rear Differential Cover with 4.4 stars.

So if you’re in the market for aftermarket Differentials to keep your 1998 GMC K2500 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 1998 GMC K2500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1998 GMC K2500 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 K2500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Pennzoil Differentials

We carry Pennzoil parts in our stock across Differential Oil categories, plus more. For a 1998 GMC K2500, our most popular Pennzoil Differentials include:
Synchromesh Manual Transmission Fluid: Low-Temperature
from $11.99
(104)
Synchromesh Manual Transmission Fluid: Low-Temperature
Differential Oil

FAQs for 1998 GMC K2500 Differentials

What are the most purchased Differentials for the 1998 GMC K2500?

Out of 239 Differentials for the 1998 GMC K2500, the most popular in our inventory are:
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Differential Bearings
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
Rear Differential Cover Gaskets
Differential Cover Gasket
from $7.99
(20)
Differential Cover Gasket
Rear Housing Cover Gaskets

What are the top-rated 1998 GMC K2500 Differentials?

Top-rated Differentials for your 1998 GMC K2500 based on customer reviews/ratings are:
Ring and Pinion Bearing Installation Kit
from $282.99
(255)
Ring and Pinion Bearing Installation Kit
“good price”
Rear Differential Cover
from $36.99
(15)
Rear Differential Cover
“For as it should”
Rear Differential Cover
from $55.99
(11)
Rear Differential Cover
“Good quality cover, nice coat of paint on it. Should outlast the truck.”