1998 GMC K2500 Differentials

Essential 1998 GMC K2500 Differentials

GM Genuine Parts – Side Differential Bearing (Part No.S1380)

Side Differential Bearing

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$89.99
GM Genuine Parts Differential Bearings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bearings are low friction rotating elements that support the drive axle differential carrier within the axle or final drive housing. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Low friction rotating elements that support the drive axle differential carrier within the axle or final drive housing
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Yukon Gear – Pinion Install Kit For ’88 And Older 10.5" GM 14 Bolt Truck Differential (Part No.13058)

Pinion Install Kit For '88 And Older 10.5" GM 14 Bolt Truck Differential

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$349.99
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 1988 and down GM 10.5″ 14 bolt truck
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Motive Gear – Axle Shaft (Part No.41677R)

Axle Shaft

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$63.99
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 ’73-87 SHAFT OUTER 1/2 & 3/4 TON 19SP-JEEP ’74-92 W/ DISK BRAKES
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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"

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$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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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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National – Shaft Repair Sleeve (Part No.99193)

Shaft Repair Sleeve

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$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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 30 Spline, 3.92 & Up, Bare (Part No.20116)

Replacement Standard Open Carrier Case For Dana 44, 30 Spline, 3.92 & Up, Bare

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$155.99
Yukon replacement standard open carrier case for Dana 44, 30 spline, 3.92 & up, bare. This case includes carrier shims, roll pin, ring gear bolts and a cover gasket.

Product Features:
  • Standard open carrier case
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.92 and up ratio only
  • Does not include spider gears
  • Includes ring gear bolts, carrier shim kit, roll pin and cover gasket
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Yukon Gear – Bearing Race Driver (Part No.56012)

Bearing Race Driver

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$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
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Pro-King – Shim Kit (Part No.741A200)

Shim Kit

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$19.99
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 – Pinion Depth Shims For 10.5" GM 14 Bolt Truck (Part No.55058)

Pinion Depth Shims For 10.5" GM 14 Bolt Truck

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$37.99
14T GM pinion shim kit.

Product Features:
  • Pinion depth shims for GM 10.5″ 14 bolt truck
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Yukon Gear – Side Gear And Thrust Washer For 8.25" GM IFS (Part No.33378)

Side Gear And Thrust Washer For 8.25" GM IFS

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$11.99
Side gear thrust washer for 8.25″ GM IFS.

Product Features:
  • Side gear thrust washer
  • Fits GM 8.25″ IFS
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Motive Gear – Differential Gear Install Kit (Part No.GM9.5IK)

Differential Gear Install Kit

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$58.49


Product Features:
  • MINI-INSTLTN KT-9 1/2″ GM
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Felpro – Axle Housing Cover Gasket (Part No.RDS 6629)

Axle Housing Cover Gasket

from

$6.49
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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Yukon Gear – Replacement Yoke For Dana 30, 44, And 50 With Fine Spline And A 1310 U/Joint Size (Part No.41017)

Replacement Yoke For Dana 30, 44, And 50 With Fine Spline And A 1310 U/Joint Size

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$121.99
Yukon replacement yoke for Dana 30, 44, and 50 with fine spline and a 1310 U/joint size. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Dana Spicer 44
  • 26 spline
  • 1310 u-joint size
  • 3.219″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • Strap style
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USA Standard Gear – Master Overhaul Kit for the ’98 and Older GM 8.25" IFS Differential (Part No.37052)

Master Overhaul Kit for the '98 and Older GM 8.25" IFS Differential

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$329.99
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 down GM 8.25″ IFS
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, thread locker, marking compound with brush and silicone.
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Valvoline – DEX/MERC Automatic Transmission Fluid, 1 Gallon (Part No.773636)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

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$35.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • 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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Yukon Gear – DiffrlPinSupportBolt (Part No.33582)

DiffrlPinSupportBolt

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$5.99
DiffrlPinSupportBolt

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

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$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.
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Yukon Gear – Left Hand Adjuster Lock Nut For 9.25" GM (Part No.33354)

Left Hand Adjuster Lock Nut For 9.25" GM

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$26.99
Left hand adjuster lock nut for 9.25″ GM.

Product Features:
  • Side adjuster lock nut
  • Fits GM 9.25″
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Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Taper Bearing Cup

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$7.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Yukon Gear – GM 9.5" Ring Gear Bolt (Part No.33047)

GM 9.5" Ring Gear Bolt

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$12.99
GM 9.5″ ring gear bolt. 12mm x 1.5.

Product Features:
  • Ring gear bolt for GM 9.2″
  • 12mm x 1.5
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Yukon Gear – Replacement Clutch Set For Dana 44 Powr Lok, Smooth (Part No.16152)

Replacement Clutch Set For Dana 44 Powr Lok, Smooth

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$177.99
Product Features:
  • Clutch kit
  • Fit Dana Spicer 44 and Chrysler 8.75″ Powr Lok positraction
  • Smooth design
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Yukon Gear – GM 10.5′ 14 Bolt Truck Cover Gasket (Part No.23016)

GM 10.5' 14 Bolt Truck Cover Gasket

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$13.99
14T cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 10.5″ 14 bolt truck
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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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MTC – Differential Drain P (Part No.J70581460602MTC)

Differential Drain P

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$10.30
Differential Drain P

Yukon Gear – Standard Open Cross Pin (0.795" Diameter) For 8.5" GM – Fits Some Eaton Positractions (Part No.33401)

Standard Open Cross Pin (0.795" Diameter) For 8.5" GM - Fits Some Eaton Positractions

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$49.99
Standard open cross pin (0.795″ diameter) for 8.5″ GM. fits some Eaton positractions.

Product Features:
  • Cross pin shaft for GM 8.5″ and 8.6″
  • Fits standard open differentials only
  • 0.795″ diameter
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Yukon Gear – Mini Spool For GM 10.5" 14 Bolt Truck (Part No.32301)

Mini Spool For GM 10.5" 14 Bolt Truck

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$287.99
Yukon mini spool for GM 10.5″ 14 bolt truck.

Product Features:
  • Fits 10.5″ GM 14 bolt truck
  • Provides 100% traction to both wheels at all times
  • Installs into standard open carrier case
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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 254 different Differentials in our inventory ranging from $2.99 to $3,289.99. 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 17 different brands to make sure you have plenty of trusted parts to choose from for your 1998 GMC K2500. Valvoline, Driveworks, and FELPRO 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 1,546 reviews in this category, some of the top rated parts include Differential Cover Gasket with 4.3 stars and Differential Cover Gasket 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 Spectre Differentials

We carry Spectre parts in our stock across Differential Covers categories, plus more. For a 1998 GMC K2500, our most popular Spectre Differentials include:
Differential Cover
from $59.99
(1)
Differential Cover
Differential Covers

FAQs for 1998 GMC K2500 Differentials

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

Out of 254 Differentials for the 1998 GMC K2500, 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
Tapered Cone/Cup Wheel Bearing Set
from $13.99
(14)
Tapered Cone/Cup Wheel Bearing Set
Front Differential Pinion Bearings

What are the top-rated 1998 GMC K2500 Differentials?

Top-rated Differentials for your 1998 GMC K2500 based on customer reviews/ratings are:
Differential Cover Gasket
from $7.99
(20)
Differential Cover Gasket
“Perfect fit”
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
“I will only use Fel-Pro for major components”
Multi Purpose Seal
from $34.99
(8)
Multi Purpose Seal
“Nicely made. Heavy duty-just like factory parts.”