1990 Pontiac Firebird Differentials

Essential 1990 Pontiac Firebird Differentials

Yukon Gear – Pinion Nut Washer (Part No.33166)

Pinion Nut Washer

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$23.99
Pinion nut washer for GM 12 bolt car & truck, 55-62 GM car & truck, GM 8.2″ & 63-79 Corvette.

Product Features:
  • Pinion nut washer for GM 12 bolt car and truck, 1955-1964 GM car and truck, GM 8.2″ and 1963-1979 Corvette.
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Yukon Gear – 1541H Alloy Rear Axle For ’98-’02 GM 7.625" Camaro Without Traction Control (Part No.21623)

1541H Alloy Rear Axle For '98-'02 GM 7.625" Camaro Without Traction Control

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$459.99
Yukon 1541H alloy rear axle for ’98-’02 GM 7.625″ Camaro without traction control, with a length of 31-15/16″ inches 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:
  • 28 spline
  • 5 lug
  • 31 15/16″ long
  • Fits GM 7.625″ in 1998-2002 Camaro without traction control
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Yukon Gear – Replacement Carrier Shim Kit For Dana 60, 70, 70HD, 70U & 80 (Part No.55011)

Replacement Carrier Shim Kit For Dana 60, 70, 70HD, 70U & 80

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$13.99
Product Features:
  • Carrier shim kit for Dana Spicer 60, 70, 70HD, 70U and 80
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Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

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$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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Motive Gear – Differential Gear Install Kit (Part No.GM8.2IK)

Differential Gear Install Kit

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$65.99


Product Features:
  • MINI INSTALL KIT GM 10BLT 8.2
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USA Standard Gear – Pinion Installation Kit For ’82-’99 GM 7.5" & 7.625" (Part No.60010)

Pinion Installation Kit For '82-'99 GM 7.5" & 7.625"

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$153.99
7.5″ & 7.625″ GM 82-99 PINION KIT .

Product Features:
  • Fits 1982-1999 GM 7.5″ and 7.625″
  • Uses Koyo bearings and races
  • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, marking compound and brush.
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Motive Gear – OEC GM 7.6" 28 SPL 3.23-UP (Part No.GM7.6E)

OEC GM 7.6" 28 SPL 3.23-UP

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$138.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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Yukon Gear – GM 12 Bolt Passenger Car Cover Gasket (Part No.23014)

GM 12 Bolt Passenger Car Cover Gasket

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$10.99
12P cover gasket.

Product Features:
  • Cover gasket
  • Fits GM 12 bolt passenger car
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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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Richmond Gear – Differential Cross Shaft (Part No.CSPGM75)

Differential Cross Shaft

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$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.
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National – Bearings (Part No.M804049)

Bearings

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$38.49
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
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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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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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Yukon Gear – 14 Plate Dura Grip Composite Clutches, GM 7.5 (Part No.16119)

14 Plate Dura Grip Composite Clutches, GM 7.5

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$202.99
14 plate DURAGRIP COMPOSITE clutches, GM 7.5.

Product Features:
  • Clutch kit
  • Fits GM 7.5″ and 7.625″ with Dura Grip positraction
  • Steel clutches
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Powertrax – Grip LOK Traction System (Part No.LK444430)

Grip LOK Traction System

from

$658.99
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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FAG US – TAPERED ROLLER BEARI (Part No.KT45)

TAPERED ROLLER BEARI

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$24.29
TAPERED ROLLER BEARI

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

from

$153.99
Product Features:
  • Positraction spring kit
  • Fits GM 7.5″ and 7.625″ Dura Grip
  • Includes preload plates
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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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Yukon Gear – Differential Cover B (Part No.33572)

Differential Cover B

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$7.99
Differential Cover B

Motive Gear – Differential Ring and Pinion (Part No.GM7.5-342)

Differential Ring and Pinion

from

$224.99


Product Features:
  • GM 10BL 7.5&7.625 R/P 3.42 MG 10 3/8 X 18 LH THRED BLTS, PD=1.438
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Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R10REMK)

Differential Master Bearing Kit - Koyo

from

$113.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • GM 10 BOLT 8.5″ MSTR KIT W/EATON OR AUBURN PRO
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Pro-King – Differential Ring Gear Bolt (Part No.742J935)

Differential Ring Gear Bolt

from

$0.91
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 – Chrome Cover For 8.6", 8.5" And 8.2" GM Rear (Part No.32017)

Chrome Cover For 8.6", 8.5" And 8.2" GM Rear

from

$74.99
Chrome cover for 8.6″, 8.5″ and 8.2″ GM rear.

Product Features:
  • Fits GM 8.2″, 8.5″ and 8.6″
  • Chrome
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Yukon Gear – Bearing Race Driver (Part No.56016)

Bearing Race Driver

from

$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM89210 race
  • All steel construction
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Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Differential Pinion Shim Kit

from

$12.99


Product Features:
  • KIT SHIM
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Richmond Gear – Differential Spool Bearing Kit (Part No.29-0013-1)

Differential Spool Bearing Kit

from

$58.99
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.
See More

Yukon Gear – Clutch Guide For GM 7.5" & 7.6" Dura Grip (Part No.33251)

Clutch Guide For GM 7.5" & 7.6" Dura Grip

from

$10.99
Product Features:
  • Clutch guide
  • Fits GM 7.5″ and 7.625″ Dura Grip
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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.
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1990 Pontiac Firebird Differentials

Maybe you’re in the middle of a full rebuild of that 1990 Pontiac Firebird. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 177 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 1990 Pontiac Firebird 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 1990 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 1990 Pontiac Firebird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,116 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 4.8 stars and Wheel Bearing and Seal Kit with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1990 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 1990 Pontiac Firebird Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1990 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 1990 Pontiac Firebird, our most popular Felpro Differentials include:
DIFFERENTIAL GASKET
from $7.99
(45)
DIFFERENTIAL GASKET
Rear Differential Cover Gaskets

Top 1990 Pontiac Firebird Differentials from Dorman

Dorman products are another trusted brand when it comes to Differentials for your 1990 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 1990 Pontiac Firebird Differentials

What are the most purchased Differentials for the 1990 Pontiac Firebird?

Out of 177 Differentials for the 1990 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 1990 Pontiac Firebird Differentials?

Top-rated Differentials for your 1990 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 !!!!”
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”
Differential Master Bearing Kit - Koyo
from $124.99
(1)
Differential Master Bearing Kit – Koyo
“Worked perfect for my application”