1984 Pontiac Firebird Differentials

Name: Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt
Brand: Yukon Gear
SKU: 33286
Price: 9.99 USD

Find your specific 1984 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 1984 Pontiac Firebird Differentials

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

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$124.99

MiniSpool

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$234.99

Yukon 1541H alloy rear axle for ’90-’92 GM 7.625″ Camaro with disc brakes, with a length of 30-3/8″ 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:

Fits 1990-1992 Camaro with disc brakes
28 spline
30 3/8″ long

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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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$161.99

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.

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$889.99

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.

Product Features:

Fits GM 7.5″ and 7.625″ with 26 spline axles
3.23 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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$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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$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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$43.99

RngPnnInstlKt

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$225.99

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 2000 and up GM 7.5″ and 7.625″
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, thread locker, marking compound with brush and gasket.

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$16.99

GM 12 bolt passenger car crush sleeve. Approx 2.340″ long.

Product Features:

Crush sleeve for GM 12 bolt passenger car
2.340″ tall

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$203.99

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 1982-1999 GM 7.5″ and 7.625″
Included are pinion bearings and races, pinion seal, crush sleeve , complete pinion shim kit, and marking compound with brush.

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$1.99

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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$4.99

Product Features:

Brand may vary by location

from

$153.99

Product Features:

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

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$379.99

Product Features:

Fits GM 7.5″ and 7.625″
Aluminum girdle cover

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$152.99

Product Features:

SUPER KIT-GM 8.5 CAR

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$148.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.5″ differential with HD bearings for large journal carrier. This kit contains carrier bearings, races and shims. This kit is used in 8.5″ differentials using a Yukon Dura Grip, Eaton posi, ValueTrac, True Trac, Pro-Series Auburn, Detroit Locker or standard carrier with large bearing journals.

Product Features:

Fits GM 8.5″ with aftermarket positraction
Works with Heavy Duty Bearings
Includes carrier bearings and races and “super” carrier shim kit

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$25.99

Yukon 4340 Chrome-Moly replacement outer stub for D44 ’87-’94 Wrangler with a length of 8.31″ and 27 splines. Yukon 4340 Chrome-Moly axles provide up to 50% increased strength over stock axles for use in extreme performance applications with large tires and high horsepower. Yukon’s 4340 axles are manufactured using the latest technologies and the highest quality materials to ensure high strength and long life. Limited Lifetime warranty covers manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through Randy’s ring & pinion) makes final determination on warranty considerations.

Product Features:

27 spline
8.31″ long
Fits Dana Spicer 30 in 1987-1994 Wrangler
Outer stub
5-760X U-joint size
4340 Chromoly
For WARN hub conversion only

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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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$28.99

Positraction cross pin bolt for GM 12P and 12T.

Product Features:

Cross pin bolt for GM 12 bolt passenger car and truck
For OEM positraction applications only

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$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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$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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$6.79

Product Features:

Brand may vary by location

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$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

$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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$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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$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.

Popular 1984 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 Clutch Pack Clips

Maybe you’re in the middle of a full rebuild of that 1984 Pontiac Firebird. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 150 different Differentials in our inventory ranging from $2.49 to $1,704.99. That means you can find the exact parts or products you need to keep that 1984 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 1984 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 1984 Pontiac Firebird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 944 reviews in this category, some of the top rated parts include Wheel Bearing and Seal Kit with 5.0 stars and Differential Master Bearing Kit – Koyo with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1984 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 1984 Pontiac Firebird Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1984 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 1984 Pontiac Firebird, our most popular Felpro Differentials include:

from $7.99

(45)

DIFFERENTIAL GASKET

Rear Differential Cover Gaskets

Top 1984 Pontiac Firebird Differentials from Dorman

Dorman products are another trusted brand when it comes to Differentials for your 1984 Pontiac Firebird. Popular Dorman parts include:

from $20.99

(38)

Rear Differential Cover

Differential Covers

from $5.99

(11)

Differential Shaft Lock Bolt

Differential Pinion Shaft Lock Bolts

FAQs for 1984 Pontiac Firebird Differentials

What are the most purchased Differentials for the 1984 Pontiac Firebird?

Out of 150 Differentials for the 1984 Pontiac Firebird, the most popular in our inventory are:

from $14.49

(2)

DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

Differential Oil

from $35.99

(17)

DEX/MERC Automatic Transmission Fluid, 1 Gallon

Differential Oil

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

What are the top-rated 1984 Pontiac Firebird Differentials?

Top-rated Differentials for your 1984 Pontiac Firebird based on customer reviews/ratings are:

from $151.99

(2)

Wheel Bearing and Seal Kit

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

from $124.99

(1)

Differential Master Bearing Kit – Koyo

“Worked perfect for my application”

from $99.99

(1)

Differential Bearing Kit – Timken

“I needed these parts for a ring & pinion assembly that was already dissasembled. It would have been nice to have an installation diagram, bolt torque ”

1984 Pontiac Firebird Differentials

More 1984 Pontiac Firebird Differentials

Essential 1984 Pontiac Firebird Differentials

Yukon Gear – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Richmond Gear – MiniSpool (Part No.78-7526-1)

Yukon Gear – 1541H Alloy Rear Axle For ’90-’92 GM 7.625" Camaro With Disc Brakes (Part No.21279)

Motive Gear – OEC GM 7.6" 28 SPL 3.23-UP (Part No.GM7.6E)

USA Standard Gear – Spider Gear Kit For GM 12 Bolt Car And Truck (Part No.39021)

Yukon Gear – Dura Grip Positraction For GM 7.5" & 7.625" With 26 Spline Axles, 3.23 & Up (Part No.26017)

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

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

Richmond Gear – RngPnnInstlKt (Part No.83-1022-B)

USA Standard Gear – Master Overhaul Kit for the 2000 and Newer GM 7.5" and 7.625" Differential (Part No.37050)

Yukon Gear – GM 12 Bolt Passenger Car Crush Sleeve (Part No.33104)

Yukon Gear – Pinion Install Kit For GM 7.5" Differential (Part No.13064)

Pro-King – Differential Ring Gear Bolt (Part No.742G935)

Driveworks – Tapered Roller Bearing (Part No.S-HM-89410)

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

Yukon Gear – Aluminum Girdle Cover For GM 7.5" & 7.625" (Part No.32118)

Motive Gear – Differential Super Bearing Kit – Koyo (Part No.R10RSK)

Yukon Gear – Carrier Installation Kit For GM 8.5" Differential With HD Bearings (Part No.57009)

Yukon Gear – Adapter Sleeve Fro GM 7.2", 7.625" & 8.0" Yokes To Use Triple Lip Pinion Seal (Part No.41210)

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

Yukon Gear – Positraction Cross Pin Bolt For GM 12 Bolt Car And Truck (Part No.33344)

Richmond Gear – Differential Cross Shaft (Part No.80-0270-1)

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

Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

Pro-King – Differential Pinion Shim Kit (Part No.742G200A)

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

Yukon Gear – 7.5 & 7.625 Standard Open Pinion Gear Thrust Washer (Part No.33390)

Pro-King – Differential Pinion Gear Washer (Part No.742G216)

Popular 1984 Pontiac Firebird Differentials Categories