1989 Pontiac Firebird Differentials

Name: 12T, 12P, & CI Vette Pinion Seal
Brand: Yukon Gear
SKU: 30187
Price: 13.99 USD

Find your specific 1989 Pontiac Firebird original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1989 Pontiac Firebird Differentials

from

$13.99

12T, 12P, & CI Vette pinion seal.Yukon Mighty seal.

Product Features:

Pinion seal
Fits GM 12 bolt passenger car and truck and 1963-1979 Corvette

from

$65.99

Product Features:

MINI INSTALL KIT GM 8.5 REAR

from

$399.99

Yukon 1541H alloy rear axle for ’82-’89 GM 7.5″ Camaro (drum brakes) with a length of 30-5/16 inches and 26 splines. 2.775″ hub. 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:

26 spline
30 5/16″ long
Fits GM 7.5″ in 1982-1989 Camaro
Drum brakes only

from

$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

from

$481.99

7.625″ GM standard Open case, 3.23 & up, Large & SM windows, loaded. 28 Spline.

Product Features:

Standard open carrier case and spiders
7.5″ & 7.625″ 28 spline applications
3.23 and up ratio only
Large and Small windows

from

$276.99

Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and 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 ring & pinion set.

Product Features:

Fits GM 8.2″
Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.

from

$48.99

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. (includes Supershims)

Product Features:

Fits GM 8.5″ rear
Included are a pinion seal, crush sleeve , complete shim kit, marking compound and brush.

from

$15.29

CUP

from

$2.59

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.

from

$187.99

Product Features:

FULL SPOOL GM 10 BOLT 8.5 28 SPL ST

from

$2.89

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.

from

$379.99

Product Features:

Fits GM 7.5″ and 7.625″
Aluminum girdle cover

from

$18.49

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.

from

$2.49

Product Features:

RING GEAR BOLT 8.5″ 7.5″ 7/16 X 20 LEFT HAND

from

$13.99

Product Features:

Carrier shim kit for Dana Spicer 60, 70, 70HD, 70U and 80

from

$26.49

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.

from

$88.94

Differential Bearing

from

$207.99

Yukon standard open spider gear kit for GM 12P and 12T 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 12 bolt passenger car and truck open differential with 30 spline axles
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

from

$13.99

8.2″ Buick, Oldsmobile, Pontiac cover gasket, 10 bolt holes.

Product Features:

Cover gasket
Fits 8.2″ in Buick, Oldsmobile and Pontiac

from

$9.49

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

from

$344.99

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:

Fits GM 7.5″ and 7.6″
7.50″ ring gear diameter
27 spline pinion
10 ring gear bolts
3.42 ratio

from

$9.99

5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:

Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
1/2″ head

from

$14.99

Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:

Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.

from

$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.

from

$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.

from

$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

from

$10.99

Product Features:

Clutch guide
Fits GM 7.5″ and 7.625″ Dura Grip

from

$8.99

Positraction clutch guide.

Product Features:

Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
Compatible with Dura Grip positractions only

Popular 1989 Pontiac Firebird Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Axle Shafts

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Clutch Packs

Differential Ring and Pinions

Differential End Yokes

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Pinion Shafts

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Pinion Gear Thrust Washers

Differential Pinion Gear Washers

Differential Ring and Pinion Kits

Limited Slip Differential Assemblies

Differential Spider and Pinion Gear Kits

Differential Clutch Pack Clips

Maybe you’re in the middle of a full rebuild of that 1989 Pontiac Firebird. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 168 different Differentials in our inventory ranging from $1.99 to $1,704.99. That means you can find the exact parts or products you need to keep that 1989 Pontiac Firebird running smoothly.

Differentials are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1989 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 1989 Pontiac Firebird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,492 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 1989 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 1989 Pontiac Firebird Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1989 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 1989 Pontiac Firebird, our most popular Felpro Differentials include: