1998 Pontiac Firebird Differentials

Essential 1998 Pontiac Firebird Differentials

Pro-King – Differential Internal Nest Kit (Part No.741A717A)

Differential Internal Nest Kit

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$155.99
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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USA Standard Gear – Standard Spider Gear Set For GM 7.5", 26 Spline (Part No.39023)

Standard Spider Gear Set For GM 7.5", 26 Spline

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$156.99
Product Features:
  • Spider gear kit
  • Fits GM 7.5″ 26 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Yukon Gear – Positraction Cross Pin Bolt For For 8.2" GM And Cast Iron Corvette (Part No.33345)

Positraction Cross Pin Bolt For For 8.2" GM And Cast Iron Corvette

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$53.99
Positraction cross pin bolt for for 8.2″ GM CI ‘Vette.

Product Features:
  • Cross pin bolt for GM 8.2″ and 1963-1979 Corvette
  • For OEM positraction applications only
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FAG US – CONE (Part No.KLM603049)

CONE

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$23.79
CONE

Yukon Gear – 8.2" & 8.5" Rear Cover Gasket (Part No.23020)

8.2" & 8.5" Rear Cover Gasket

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$10.99
8.2″ & 8.5″ rear cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 8.2″, 8.5″ and 8.6″
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Yukon Gear – 1541H Alloy Rear Axle For 8.2" And 8.5" GM Passenger (Part No.21242)

1541H Alloy Rear Axle For 8.2" And 8.5" GM Passenger

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$234.99
Yukon 1541H alloy rear axle for 8.2″ and 8.5″ GM passenger with a length of 30-1/8″ inches (2.810″ hub) and 28 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a C-clip axle.

Product Features:
  • Fits GM 8.2.” and 8.5″ passenger car
  • 28 spline
  • 30 1/8″ long
  • 2.810″ brake pilot
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Yukon Gear – 7.5 & 7.625 Standard Open Pinion Gear Thrust Washer (Part No.33390)

7.5 & 7.625 Standard Open Pinion Gear Thrust Washer

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$8.99
7.5 & 7.625 Standard Open Pinion gear Thrust Washer.

Product Features:
  • Pinion gear thrust washer for GM 7.5″ and 7.625″
  • Fits standard open differentials only
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Yukon Gear – Pinion Install Kit For ’81 And Older GM 7.5" Differential (Part No.13063)

Pinion Install Kit For '81 And Older GM 7.5" Differential

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$201.99
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 1981 and down GM 7.5″
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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ACDelco – Differential Bearing (Part No.J7060723477ACD)

Differential Bearing

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$88.94
Differential Bearing

Yukon Gear – Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25" (Part No.55048)

Crush Sleeve Eliminator Kit For GM 8.5" & Chrysler 9.25"

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$57.99
Product Features:
  • Crush sleeve eliminator kit for GM 8.5″, 8.6″ and Chrysler 9.25″ rear
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Richmond Gear – Differential Cross Shaft (Part No.80-0270-1)

Differential Cross Shaft

from

$64.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Yukon Gear – Ring Gear Bolt (Part No.33046)

Ring Gear Bolt

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$6.99
Ring gear bolt for GM 12 bolt car & truck, 8.2″, 8.2″ for Buick/Olds/Pontiac, 63-79 Corvette & 55-62 GM Car & Truck. 3/8″ x 24.

Product Features:
  • Ring gear bolt for GM 12 bolt passenger car and truck, 1955-1964 passenger car and truck, GM 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
  • 3/8″ x 24 thread
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Yukon Gear – Chrome Cover For GM 12 Bolt Car (Part No.32011)

Chrome Cover For GM 12 Bolt Car

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$62.99
Chrome cover for GM 12P.

Product Features:
  • Fits GM 12 bolt passenger car
  • Chrome
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Yukon Gear – High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 4.88 Ratio (Part No.24162)

High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 4.88 Ratio

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$389.99
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. This gear set does not have an ABS provision on the pinion.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 4.88 ratio
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Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

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$59.99
Product Features:
  • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
  • Interlocking design makes installation much easier
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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 – Differential (Part No.26014)

Differential

from

$889.99
Differential

Yukon Gear – Posi Spring Kit For GM 7.5", With Preload Plates (Part No.33206)

Posi Spring Kit For GM 7.5", With Preload Plates

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$153.99
Product Features:
  • Positraction spring kit
  • Fits GM 7.5″ and 7.625″ Dura Grip
  • Includes preload plates
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Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI)

Differential Carrier Gear Kit

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$111.99


Product Features:
  • GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)
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Yukon Gear – Spider Gear Set For GM 8.2" Buick, Olds, Pontiac Dura Grip Posi, 28 Spline (Part No.16144)

Spider Gear Set For GM 8.2" Buick, Olds, Pontiac Dura Grip Posi, 28 Spline

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$601.99
Yukon spider gear set for GM 8.2″ Buick, Olds, Pontiac Dura Grip posi, 28 spline. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.

Product Features:
  • Spider gear kit
  • Fits 8.2″ Buick, Oldsmobile and Pontiac with 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 – Conversion Kit (Part No.41184)

Conversion Kit

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$289.99
Product Features:
  • Fits GM 8.2″ Buick, Oldsmobile and Pontiac
  • Adapt GM gears for BOP housing
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Powertrax – Grip LS Traction System (Part No.LS247528)

Grip LS Traction System

from

$499.99
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!
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National – Bearings (Part No.HM89210)

Bearings

from

$14.99
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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Motive Gear – Differential Super Bearing Kit – Timken (Part No.R12CRSKT)

Differential Super Bearing Kit - Timken

from

$156.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Idemitsu – Type TLS Automatic Transmission Fluid – 1 qt (Part No.10106-042K)

Type TLS Automatic Transmission Fluid - 1 qt

from

$11.79
Formulated to meet the specific requirements of Toyota, Lexus, and scion vehicles equipped with conventional (non-CVT) transmissions that require the use of ATF T-IV. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF T-IV is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. IDEMITSU is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. IDEMITSU application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
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Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)

Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25"

from

$27.99
8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.

Product Features:
  • Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″
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Motive Gear – Differential Gear Install Kit (Part No.GM8.5IK)

Differential Gear Install Kit

from

$65.99


Product Features:
  • MINI INSTALL KIT GM 8.5 REAR
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Motive Gear – Differential Gear Install Kit (Part No.GM12IKC)

Differential Gear Install Kit

from

$64.49


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 CAR
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1998 Pontiac Firebird Differentials

Maybe you’re in the middle of a full rebuild of that 1998 Pontiac Firebird. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 173 different Differentials in our inventory ranging from $1.99 to $1,839.99. That means you can find the exact parts or products you need to keep that 1998 Pontiac Firebird running smoothly.

Differentials are only as good as their brand. We stock 18 different brands to make sure you have plenty of trusted parts to choose from for your 1998 Pontiac Firebird. Valvoline, Yukon Gear, 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 Pontiac Firebird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 380 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 4.8 stars and Shaft Repair Sleeve with 5.0 stars.

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

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

Popular Felpro Differentials

We carry Felpro parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1998 Pontiac Firebird, our most popular Felpro Differentials include:
DIFFERENTIAL GASKET
from $7.99
(45)
DIFFERENTIAL GASKET
Rear Differential Cover Gaskets

Top 1998 Pontiac Firebird Differentials from Dorman

Dorman products are another trusted brand when it comes to Differentials for your 1998 Pontiac Firebird. Popular Dorman parts include:
Rear Differential Cover
from $20.99
(38)
Rear Differential Cover
Differential Covers
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
Differential Pinion Shaft Lock Bolts

FAQs for 1998 Pontiac Firebird Differentials

What are the most purchased Differentials for the 1998 Pontiac Firebird?

Out of 173 Differentials for the 1998 Pontiac Firebird, 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 1998 Pontiac Firebird Differentials?

Top-rated Differentials for your 1998 Pontiac Firebird based on customer reviews/ratings are:
Differential Carrier Gear Kit
from $159.99
(6)
Differential Carrier Gear Kit
“perfick fit for 01 blazer !!!!”
Shaft Repair Sleeve
from $43.99
(2)
Shaft Repair Sleeve
“As a mechanic I dont have time or money to waste on inferior products, which this is not. Great product,great price”
Wheel Bearing and Seal Kit
from $151.99
(2)
Wheel Bearing and Seal Kit
“All you need to overhaul a diff, at a good price”