1990 Pontiac Firebird Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1990 Pontiac Firebird in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1990 Pontiac Firebird looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Bearings, and Differential Covers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, Motive Gear, and Dorman. For example, National Differentials start at just $11.99 with an average 4.3 star rating. Motive Gear and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 1,296 reviews and a solid 4 star average, you can shop with confidence knowing other Pontiac Firebird owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1990 Pontiac Firebird Differential at Advance Auto Parts is around $281.62, with a range that starts at $2.49 and goes up to $1,839.99. With 175 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, Multi-Purpose Bearing, and 3 Qt – 80W90 Conventional Gear Oil with Posi Additive start at just $8.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1990 Pontiac Firebird in peak condition, inside and out.

Looking for the perfect Differential for your 1990 Pontiac Firebird? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Pontiac Firebird. Whether you’re driving a 1990 model or another popular model year like 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1990 Pontiac Firebird Differentials

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$10.99

With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$0.91

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

Product Features:

Meets or exceeds OE specifications

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$28.49

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

Product Features:

Meets or exceeds OE specifications

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$544.99

For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:

The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
Power Trax offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
Power Trax ia an Extreme Traction System

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$10.99

Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:

Clutch guide
Fits GM 7.5″ and 7.625″ Dura Grip

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$5.99

Product Features:

Brand may vary by location

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$122.99

7.5″ & 7.625″ GM 00 & UP PINION KIT .

Product Features:

Fits 2000 and up GM 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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$59.99

Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

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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$6.99

Pinion nut for Dana Spicer 25, 27, 30, 44, 50 and GM 7.75″
3/4″ x 16 thread

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$883.99

Yukon Gear & Axle tools are made to the highest industry standard.

Product Features:

Works on popular Ford, GM, Chrysler, and many other housings
For differentials with XHD Clamshells
Can accommodate up to one-ton applications
Comes with a handy bench-top stand
This top-quality differential tool is built to last

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$336.99

Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.

Product Features:

Fits GM 8.5″ differential outfitted with Dura Grip positraction
28 spline axles
Includes two side gears, two pinion gears, cross pin shaft, roll pin and spider gear thrust washers
Does not include clutches

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$111.99

Product Features:

GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)

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$7.99

Differential Cover B

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$12.99

Product Features:

KIT SHIM

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$115.99

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 BRG KIT W/EATON OR AUBURN PRO TIMKEN

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$137.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes four quarts of Redline Shockproof oil

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$101.99

Product Features:

MINI SPOOL GM 7 1/2″ 28 SPLINE

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$289.99

Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road applications.

Product Features:

Fits GM 8.2″ Buick, Oldsmobile and Pontiac
27 spline
Mechanics 3R u-joint size
Inside snap ring design
2.556″ snap ring span
1.125″ cap diameter
Strap style

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$39.49

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.

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$41.99

Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers, and other general maintenance items. You can count on Yukon to fulfill all your differential small parts needs.

Product Features:

Shim kit
Fits Ford 8.8″, 1963-1979 Corvette, GM 12 bolt passenger car and truck, 8.2″, 8.5″ and 8.6″ Dura Grip positraction

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$155.99

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

Product Features:

Meets or exceeds OE specifications

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$153.99

Positraction spring kit
Fits GM 7.5″ and 7.625″ Dura Grip
Includes preload plates

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$219.99

Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:

Fits M88010 race
For accurate installation of bearing races
All-steel construction

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$176.99

USA Standard axle shaft for ’98-’02 Camaro, with electronic traction control. 32″ long, 28 spline. Does not include ABS ring.

Product Features:

Fits 1998-2002 Camaro
28 spline
32″ long
Compatible with traction control applications only
Does not include ABS tone ring

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$859.99

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects. This unit has larger bearing journals for added strength & uses heavy-duty carrier bearings & races.

Product Features:

Fits GM 8.5″ with 28 spline axles
2.73 ratio and up only
4-spring, clutch style positraction
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
Fully rebuildable
Assembled in the USA

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$315.99

Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

Product Features:

Fits GM 7.75″
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

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$2.99

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

Product Features:

Meets or exceeds OE specifications

Popular 1990 Pontiac Firebird Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Open Unit and Components

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 Mini Spools

Differential Ring and Pinions

Differential End Yokes

Differential Pinion Supports

Differential Lock Assemblies

Differential Spools

Differential Carrier Bearings

Differential Lock Springs

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Carrier Bearing Shims

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 Ring and Pinion Kits

Differential Spider and Pinion Gear Kits

Differential Carrier Bearing Races

Differential Clutch Pack Clips

Most Popular Differential Oil for 1990 Pontiac Firebirds

Enhance your 1990 Pontiac Firebird with one of the 5 Differential Oil we have in stock, starting at just $44.99.

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$57.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive

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$44.99

Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:

Includes three quarts of conventional oil

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$148.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:

Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive

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$99.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes three quarts of Redline Shockproof oil

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$137.99

Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:

Includes four quarts of Redline Shockproof oil

Best-Selling 1990 Pontiac Firebird Differential Bearings

Upgrade your Firebird with one of our 9 best-selling Differential Bearings, earning an average 4.5 stars rating across 38 reviews.

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$16.99

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

Product Features:

CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
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

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$11.99

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways 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

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$10.99

Value-priced bearing meets all cataloged application requirements.

Product Features:

Brand may vary by location

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$7.29

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
SMOOTH ROTATION – Crowned raceways 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

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$21.99

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

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$30.99

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$14.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$6.99

Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 bolt car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS

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$6.99

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

Top-Quality Differential Covers for 1990 Pontiac Firebirds

Choose a high-quality OEM or aftermarket Differential Cover for Pontiac Firebirds and enjoy top-notch performance from $24.99.

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from

$24.99

This direct replacement differential cover matches the fit and function of the original equipment diff cover for a reliable, leak-free repair. It features a durable design, made to strict specifications, to help ensure reliable service life.

Product Features:

Direct replacement – this differential cover matches the fit and function of the original equipment diff cover on select vehicles
Reliable repair – the smart solution for fixing an existing cover that’s rusted, damaged or leaking differential fluid
Durable construction – this differential cover is made according to strict engineering standards to help ensure dependability
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$29.99

Differential covers can become damaged from road debris, corrosion, or bolt/drain plug over tightening. Their job is to act as a lid keeping lubricants in place for the ring and pinion gears, bearings, and bushings. Without lubricants, the differential quickly become damaged. ATP Differential Cover Kits include a replacement gasket and are designed to fit and function just like the original part ensuring long life and durability.

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$67.99

These Yukon replacement diff covers are a direct bolt-on.

Product Features:

Fits GM 7.5″ and 7.625″
Steel

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$67.99

These Yukon replacement diff covers take your rig a step beyond the boring factory look. They are the stock OE design finished in chrome.

Product Features:

Fits GM 7.5″ and 7.625″
Chrome

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$29.99

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

Product Features:

Meets or exceeds OE specifications

Top Picks for 1990 Pontiac Firebird Differential Pinion Seals

Invest in one of our 5 durable Differential Pinion Seals for your 1990 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

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$27.49

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:

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$9.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion seal
Fits GM 7.2″ IFS, 1999 and down GM 7.5″ and 7.625″ and GM 8.2″
2.660″ O.D.

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$22.99

Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:

Pinion seal
Fits GM 7.75″

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$19.99

Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:

High-precision and High-quality components used in all KITs
Coverage of classic and new high-tech solutions for the best system coverage

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$9.99

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

Top-Rated Rear Differential Cover Gaskets for 1990 Pontiac Firebirds

Make a smart move for your 1990 Pontiac Firebird with products all priced from $8.99 to $11.99.

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$8.99

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$11.99

7.5 GM cover gasket.

Product Features:

Cover gasket
Fits GM 7.5″ and 7.625″

Top-Rated Differential Brands For Your 1990 Pontiac Firebird

When it comes to finding the perfect Differential for your 1990 Pontiac Firebird, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 trusted brands. We carry the most popular Differential brands including National, Dorman, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $6.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1990 Pontiac Firebird, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1990 Pontiac Firebird Differentials

If you’re looking for a top-quality Differential for your 1990 Pontiac Firebird, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 3 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $11.99 and an average cost of $60.32, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1990 Pontiac Firebird come highly rated, with over 29 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $16.99

(25)

Multi-Purpose Bearing

“Smooth”

from $11.99

(2)

Bearing Race

“Reasonable price and woks well. front diff 2006 Escalade esv”

from $151.99

(2)

Axle Differential Bearing & Seal Kit

“All you need to overhaul a diff, at a good price”

Top-Quality Dorman 1990 Pontiac Firebird Differentials

For those in search of a high-quality Differential for their 1990 Pontiac Firebird, Advance Auto Parts offers a great selection of Dorman Differentials. With 2 Dorman Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $6.79, with an average price of $15.89, giving you a range of options to suit your budget. Backed by over 49 customer ratings and an average rating of 4.2 stars, Dorman Differentials provide both reliability and excellent performance. Choosing a Dorman Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $24.99

(38)

Differential Cover

“Looks great, face lift for the rear differential. Old one was rusted & in bad shape. Just remember to get the correct size.”

from $6.79

(11)

Differential Shaft Lock Bolt

“great”

FAQs for 1990 Pontiac Firebird Differentials

What are the best-selling Differentials for 1990 Pontiac Firebirds?

Out of 175 Differentials that fit 1990 Pontiac Firebirds, the following parts are the top sellers:

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (5782376) – $8.99
Multi-Purpose Bearing (3275973) – $16.99
3 Qt – 80W90 Conventional Gear Oil with Posi Additive (11645418) – $57.99

What’s the price range for 1990 Pontiac Firebird Differentials?

The prices of Differentials for the 1990 Pontiac Firebird range from $2.49 up to $1,839.99 for the most premium parts.

What is the average price of a Differential for a 1990 Pontiac Firebird?

The average price for Differentials for the 1990 Pontiac Firebird is $281.62. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Pontiac Firebird model years?

Yes, we carry Differentials for 34 model years of Pontiac Firebirds between 1967 and 2002. The following model years are the most popular for Differential purchases: 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Differentials for my 1990 Pontiac Firebird?

The cheapest 1990 Pontiac Firebird Differentials we carry are:

Differential Pinion Gear Washer (10593184) – $2.49
Differential Crush Sleeve (10715252) – $2.79
Ring Gear Bolt (20520168) – $2.99
Differential Ring Gear Bolt (10282159) – $2.99
Differential Cross Shaft (10282201) – $2.99

Does Advance Auto Parts sell Differentials for any other 1990 Pontiac models?

Yes. We stock Differentials for 6 other popular 1990 Pontiac models. Some of the most popular are 1990 Grand Prix Differentials, 1990 Bonneville Differentials, 1990 Grand Am Differentials, 1990 LeMans Differentials, and 1990 Sunbird Differentials.

What types of Differentials do you sell for my 1990 Pontiac Firebird?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1990 Pontiac Firebird:

Can I get help with 1990 Pontiac Firebird Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Differentials and more.

What is your return policy for Pontiac Firebird Differentials?

Advance Auto Parts keeps returns simple. For new Pontiac Firebird Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1990 Pontiac Firebird Differentials

Schaeffler – Cup (Part No.M88010)

Pro-King – Differential Ring Gear Bolt (Part No.742J935)

Pro-King – Differential Cross Shaft (Part No.742G673)

Powertrax – Differential Lock Assembly (Part No.9207853005)

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

Driveworks – Tapered Roller Bearing (Part No.S-HM-89210)

USA Standard Gear – Pinion Installation Kit For ’00 & Up GM 7.5" & 7.625" (Part No.60011)

Yukon Gear – Super Carrier Shim Kit for Ford 7.5", GM 7.5", 8.2" & 8.5 (Part No.55001)

Yukon Gear – Replacement Pinion Nut for Dana 25, 27, 30, 36, 44, 53 & GM 7.75" (Part No.33143)

Yukon Gear – Heavy Duty Carrier Bearing Puller Set (Part No.56072)

Yukon Gear – Dura Grip Spider Gear Set for GM 8.5" Differential with 28 Spline Axles (Part No.16052)

Motive Gear – Differential Internal Carrier Gear Kit (Part No.GM10BI)

Yukon Gear – Differential Cover B (Part No.33572)

Motive Gear – Differential Pinion Shim Kit (Part No.1104)

Motive Gear – Differential Bearing Kit – Timken (Part No.R10RET)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Motive Gear – Differential Mini Spool (Part No.MS7.5-28)

Yukon Gear – Yoke for 8.2" Bop Differential, Mech 3R U/Joint Size, U/Bolt Design (Part No.41185)

Richmond Gear – Differential Gear Install Kit (Part No.83-1019-B)

Yukon Gear – Posi 12-Shim Kit, GM 8.2"/Gm 8.5"/12T/12P/Ford 8.8"/Cast Iron Vette (Part No.16042)

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

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

Yukon Gear – Bearing Race Driver for Popular Ford, Gm, Amc, Chrysler, and Dana Diffs (Part No.56023)

USA Standard Gear – Differential Axle Shaft (Part No.35037)

Yukon Gear – Dura Grip Positraction For GM 8.5" With 28 Spline Axles (Part No.26015)

Yukon Gear – Pinion Install Kit for GM 7.75" Differential (Part No.13065)

Pro-King – Differential Cross Shaft (Part No.742G930)

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

National – Multi-Purpose Bearing (Part No.A-6)

National – Bearing Race (Part No.LM501314)

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

National – Bearing Race (Part No.LM102910)

National – Tapered Roller Bearing Cone (Part No.LM501349)

Schaeffler – Bearing – CRB (Cylindrical Roller Bearing) (Part No.FC67147)

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT5)

Yukon Gear – Cross Pin Bolt (Part No.33067)

Schaeffler – Cup (Part No.LM48510)

Dorman – Differential Cover (Part No.697-701)

ATP – Differential Cover Kit With Internal Magnet (Part No.111102)

Yukon Gear – Steel Cover for GM 7.5" & 7.625" (Part No.32331)

Yukon Gear – Chrome Cover for 7.5" GM (Part No.32014)

Pro-King – Differential Carrier Cover (Part No.741A758)

National – Multi-Purpose Seal (Part No.7457N)

Yukon Gear – 7.2" GM 7.5" GM & 8.2" GM Pinion Seal (Part No.30192)

Yukon Gear – 7.75" Pinion Seal (Part No.30269)

Schaeffler – Shaft Seal (Part No.SS2588)

National – Multi-Purpose Seal (Part No.224255)

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 55072)

Yukon Gear – 7.5 GM Cover Gasket (Part No.23018)