1973 Buick Electra Differentials

Essential 1973 Buick Electra Differentials

Yukon Gear – Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up (Part No.26018)

Dura Grip Positraction For GM 7.625" With 28 Spline Axles, 3.23 & Up

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$803.99
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 7.625″ with 28 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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Richmond Gear – Differential Ring And Pinion (Part No.69-0306-1)

Differential Ring And Pinion

from

$333.99
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 – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

8.5" & 8.2" GM Carrier Installation Kit

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$109.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

Product Features:
  • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
  • Includes carrier bearings and races and “super” carrier shim kit
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Motive Gear – Differential Carrier (Part No.GM8.6L)

Differential Carrier

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$221.99
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 o
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

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$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Pro-King – Crush Sleeve (Part No.741A034)

Crush Sleeve

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$3.99
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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Dorman – Ring And Pinion Bearing Installation Kit (Part No.697-100)

Ring And Pinion Bearing Installation Kit

from

$195.99
This differential bearing kit includes all necessary installation components for a differential ring and pinion on certain vehicle years, makes and models.

Product Features:
  • Convenient kit – this ring and pinion bearing installation kit includes all necessary components for a complete repair on certain vehicle applications
  • Related repair – smart to have on hand when installing a differential ring and pinion
  • Durable construction – built for reliable longevity, free of defects in materials and workmanship
  • Trustworthy quality – backed by team of designers and engineers in the United States
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Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4101)

Differential Pinion Solid Spacer Kit w/Shims

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$53.99


Product Features:
  • GM12 BOLT CAR SOLID SPACER & SHIMS
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Yukon Gear – 8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer – Also Fits 8.5" Eaton With 0.795" Cross Pin (Part No.33385)

8.5" & 8.6" GM Standard Open Pinion Gear Thrust Washer - Also Fits 8.5" Eaton With 0.795" Cross Pin

from

$10.99
8.5″ & 8.6″ GM standard Open pinion gear Thrust washer. also fits 8.5″ Eaton with 0.795″ cross pin.

Product Features:
  • Pinion gear thrust washer for GM 8.5″ and 8.6″
  • Fits standard open differentials only
  • 0.795″ I.D.
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USA Standard Gear – Standard Spider Gear Set For GM 8.5", 30 Spline (Part No.39027)

Standard Spider Gear Set For GM 8.5", 30 Spline

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$214.99
Product Features:
  • Spider gear kit
  • Fits GM 8.5″ 30 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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Motive Gear – Differential Carrier Gear Kit (Part No.GM12BI)

Differential Carrier Gear Kit

from

$163.99


Product Features:
  • GM 8 7/8″ OPEN INTERNAL KIT CAR & TRUCK
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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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National – Bearings (Part No.A-6)

Bearings

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$16.99
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 – Set Up Bearing (Part No.56044)

Set Up Bearing

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$147.99
HM89449 set-up bearing (one bearing). No return.

Product Features:
  • Set up bearing
  • Fits HM89449 pinion bearing
  • Easily slips on and off pinion journal to allow for pinion depth adjustment
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Yukon Gear – Bearing Race Driver (Part No.56022)

Bearing Race Driver

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$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M86610 race
  • All steel construction
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Yukon Gear – Differential Cover B (Part No.33572)

Differential Cover B

from

$7.99
Differential Cover B

Pro-King – Differential Cover Plug (Part No.742G484)

Differential Cover Plug

from

$6.59
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.
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Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

from

$8.49
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 o
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Yukon Gear – Aluminum Girdle Cover For 8.2" Buick, Pontiac, Oldsmobile GM Ta HD (Part No.32120)

Aluminum Girdle Cover For 8.2" Buick, Pontiac, Oldsmobile GM Ta HD

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$318.99
Aluminum Girdle cover for 8.2″ Buick, Pontiac, Oldsmobile GM TA HD.

Product Features:
  • Fits 8.2″ Buick, Oldsmobile and Pontiac
  • Aluminum girdle cover
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Pro-King – Differential Cross Shaft (Part No.742G673)

Differential Cross Shaft

from

$28.49
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.
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Yukon Gear – Standard Open Carrier Case, GM 8.5", 2.73 & Up (Part No.20083)

Standard Open Carrier Case, GM 8.5", 2.73 & Up

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$234.99
8.5″ GM standard Open case, 2.73 & up, 28 or 30 spline.

Product Features:
  • Standard open carrier case
  • Fits GM 8.5″ with 28 or 30 spline axles
  • 2.73 and up ratio only
  • Does not include spider gears
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Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI-30)

Differential Carrier Gear Kit

from

$153.99


Product Features:
  • GM10 BOLT 8.5″ 30 SPL INTERNAL KIT 1988-1999 (OPEN)
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Yukon Gear – GM 7.5" Standard Open Side Gear Thrust Washer (Part No.33389)

GM 7.5" Standard Open Side Gear Thrust Washer

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$11.99
GM 7.5″ standard Open side gear thrust washer.

Product Features:
  • Side gear thrust washer
  • Fits GM 7.5″
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Mr. Gasket – Differential Gasket (Part No.84)

Differential Gasket

from

$18.99
Precision cut and high quality materials. Reusable.

Product Features:
  • Precision cut
  • High-quality materials
  • Reusable
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USA Standard Gear – Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17041)

Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

from

$618.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits GM 18.5″ with 30 spline axles
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
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Richmond Gear – RngPnnInstlKt (Part No.83-1019-B)

RngPnnInstlKt

from

$39.49
RngPnnInstlKt

Yukon Gear – Positraction Clutch Guide (Part No.33352)

Positraction Clutch Guide

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
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USA Standard Gear – 8.5" GM Spartan Locker Cross Pin (Part No.17024)

8.5" GM Spartan Locker Cross Pin

from

$52.99
Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits GM 8.5″ and 8.6″
  • Works with Spartan Locker or standard open spider gears
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1973 Buick Electra Differentials

Maybe you’re in the middle of a full rebuild of that 1973 Buick Electra. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 155 different Differentials in our inventory ranging from $1.99 to $919.99. That means you can find the exact parts or products you need to keep that 1973 Buick Electra running smoothly.

Differentials are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1973 Buick Electra. Felpro, Yukon Gear, and Motive Gear 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 1973 Buick Electra, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,688 reviews in this category, some of the top rated parts include Differential Master Bearing Kit – Koyo with 3.8 stars and Differential Ring and Pinion with 4.5 stars.

So if you’re in the market for aftermarket Differentials to keep your 1973 Buick Electra 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 1973 Buick Electra Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1973 Buick Electra 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 Electra the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Mr. Gasket Differentials

We carry Mr. Gasket parts in our stock across Rear Differential Cover Gaskets categories, plus more. For a 1973 Buick Electra, our most popular Mr. Gasket Differentials include:
Differential Gasket
from $15.99
(1)
Differential Gasket
Rear Differential Cover Gaskets

Top 1973 Buick Electra Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1973 Buick Electra. Popular Felpro parts include:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Differential Cover Gaskets
Differential Cover Gasket
from $7.49
(6)
Differential Cover Gasket
Rear Differential Cover Gaskets

FAQs for 1973 Buick Electra Differentials

What are the most purchased Differentials for the 1973 Buick Electra?

Out of 155 Differentials for the 1973 Buick Electra, the most popular in our inventory are:
Ring Gear Bolt
from $2.49
This product is not rated
Ring Gear Bolt
Differential Ring Gear Bolts
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Ring Gear Bolt
from $6.99
This product is not rated
Ring Gear Bolt
Differential Ring Gear Bolts

What are the top-rated 1973 Buick Electra Differentials?

Top-rated Differentials for your 1973 Buick Electra based on customer reviews/ratings are:
Differential Master Bearing Kit - Koyo
from $156.99
(5)
Differential Master Bearing Kit – Koyo
“was delivered as promised and on time”
Differential Ring and Pinion
from $241.99
(4)
Differential Ring and Pinion
“Perfect match and easy install”
Differential Carrier Shim Kit
from $8.49
(3)
Differential Carrier Shim Kit
“worked great”