1968 Oldsmobile 442 Differentials

Essential 1968 Oldsmobile 442 Differentials

Yukon Gear – Conversion Kit (Part No.41184)

Conversion Kit

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$289.99
Product Features:
  • Fits GM 8.2″ Buick, Oldsmobile and Pontiac
  • Adapt GM gears for BOP housing
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 55072)

DIFFERENTIAL GASKET

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$7.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Yukon Gear – 7.2" GM 7.5" GM & 8.2" GM Pinion Seal (Part No.30192)

7.2" GM 7.5" GM & 8.2" GM Pinion Seal

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$9.99
7.2″ GM 7.5″ GM & 8.2″ GM pinion seal.Yukon Mighty seal.

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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National – Bearings (Part No.M86649)

Bearings

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$18.79
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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Dorman – Rear Differential Cover (Part No.697-701)

Rear Differential Cover

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$20.99
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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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

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$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – 3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More (Part No.33347)

3/8" Ring Gear Bolt Washer For GM 12 Bolt Car & Truck, 8.2 Bop & More

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$4.99
3/8″ ring gear bolt washer for GM 12 bolt car & truck, 8.2 BOP & more.

Product Features:
  • Ring gear bolt washer for GM 12 bolt car and truck, 1955-1964 passenger car, 1963-1979 Corvette and 8.2″ Buick, Oldsmobile and Pontiac
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Yukon Gear – Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles (Part No.26016)

Dura Grip Positraction For GM 8.5" & 8.6" With 30 Spline Axles

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$929.99
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″ and 8.6″ with 30 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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Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

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$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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Yukon Gear – Master Overhaul Kit For GM 8.5" Differential With Aftermarket Positraction (Part No.14088)

Master Overhaul Kit For GM 8.5" Differential With Aftermarket Positraction

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$309.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. 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. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit 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), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application. Includes Supershims.

Product Features:
  • Fits GM 8.5″ rear with aftermarket positraction
  • Included are Timken 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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Richmond Gear – RngPnnInstlKt (Part No.83-1019-B)

RngPnnInstlKt

from

$39.49
RngPnnInstlKt

Felpro – Differential Cover Gasket (Part No.RDS 55029)

Differential Cover Gasket

from

$7.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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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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Pro-King – Differential Ring Gear Bolt (Part No.742G935)

Differential Ring Gear Bolt

from

$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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National – Shaft Repair Sleeve (Part No.99170)

Shaft Repair Sleeve

from

$41.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Yukon Gear – Crush Sleeve Eliminator Kit For GM 7.5" & 8.2" (Part No.55047)

Crush Sleeve Eliminator Kit For GM 7.5" & 8.2"

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$40.99
Product Features:
  • Crush sleeve eliminator kit for GM 7.5″, 7.625″ and 8.2″
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Yukon Gear – High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 4.11 Ratio (Part No.24160)

High Performance Ring & Pinion Gear Set For GM 8.5" & 8.6" In A 4.11 Ratio

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$499.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty. This gear set does not have an ABS provision on the pinion.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 8.50″ ring gear diameter
  • 30 spline pinion
  • 10 ring gear bolts
  • 4.11 ratio
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Pro-King – Shim Kit (Part No.741A200)

Shim Kit

from

$19.99
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 – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

8.5" & 8.2" GM Carrier Installation Kit

from

$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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USA Standard Gear – Master Overhaul Kit for the GM 8.5 Differential (Part No.37055)

Master Overhaul Kit for the GM 8.5 Differential

from

$206.99
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 GM 8.5″ rear
  • 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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Powertrax – Grip LS Traction System (Part No.LS231230)

Grip LS Traction System

from

$480.99
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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USA Standard Gear – 8.5" Oldsmobile 31Spline 12 Bolt (Factory 3.08 Or 3.23, Or Richmond Gear Ring & Pinions) (Part No.59006)

8.5" Oldsmobile 31Spline 12 Bolt (Factory 3.08 Or 3.23, Or Richmond Gear Ring & Pinions)

from

$1020.00
8.5″ Oldsmobile 31spline 12 bolt (factory 3.08 or 3.23, or Richmond gear ring & pinions).

Product Features:
  • Positraction
  • Fits 8.5″ Oldsmobile
  • 12 bolt design
  • 31 spline
  • OEM 3.08 and 3.23 gear sets only
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Yukon Gear – Pinion Nut (Part No.33152)

Pinion Nut

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$9.99
Pinion nut for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.0″, 8.25″, 8.5″, 8.6″, 9.25″ IFS, 9.5″ & Oldsmobile Dropouts. 1 1/4″ socket, 7/8″ x 14 thread.

Product Features:
  • Pinion nut for GM 7.2″, 7.5″, 7.625″, 8.0″, 8.25″ IFS, 8.5″, 8.6″, 9.25″ IFS and 9.5″
  • 7/8″ x 14 thread
  • 1 1/4″ socket
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Yukon Gear – Pinion Nut (Part No.33150)

Pinion Nut

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$11.99
Pinion nut for GM 12 bolt car & truck, 55-62 car & truck, 8.2″, 8.2″ Buick/Olds/Pontiac & 63-79 Corvette. 1 1/8″ socket, 7/8″ x 16 thread.

Product Features:
  • Pinion nut for GM 12 bolt car and truck, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
  • 7/8″ x 16 thread
  • 1 1/8″ socket
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Yukon Gear – Cross Pin Bolt (Part No.33067)

Cross Pin Bolt

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$6.99
Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

Product Features:
  • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
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National – Taper Bearing Cone (Part No.LM501349)

Taper Bearing Cone

from

$17.99
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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Yukon Gear – Bearing Race Driver (Part No.56017)

Bearing Race Driver

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$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits HM89410 race
  • All steel construction
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Yukon Gear – Bearing Race Driver (Part No.56020)

Bearing Race Driver

from

$215.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M802011 race
  • All steel construction
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1968 Oldsmobile 442 Differentials

Maybe you’re in the middle of a full rebuild of that 1968 Oldsmobile 442. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 78 different Differentials in our inventory ranging from $2.49 to $1,020.00. That means you can find the exact parts or products you need to keep that 1968 Oldsmobile 442 running smoothly.

Differentials are only as good as their brand. We stock 12 different brands to make sure you have plenty of trusted parts to choose from for your 1968 Oldsmobile 442. Valvoline, Driveworks, and National 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 1968 Oldsmobile 442, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 7,755 reviews in this category, some of the top rated parts include Bearings with 4.7 stars and Taper Bearing Cone with 3.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1968 Oldsmobile 442 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 1968 Oldsmobile 442 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 Oldsmobile 442 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 442 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Motive Gear Differentials

We carry Motive Gear parts in our stock across Differential Pinion Seals and Differential Pinion Shims categories, plus more. For a 1968 Oldsmobile 442, our most popular Motive Gear Differentials include:
Differential Pinion Seal
from $3.49
(1)
Differential Pinion Seal
Differential Pinion Seals
Differential Pinion Shim Kit
from $7.49
(1)
Differential Pinion Shim Kit
Differential Pinion Shims

FAQs for 1968 Oldsmobile 442 Differentials

What are the most purchased Differentials for the 1968 Oldsmobile 442?

Out of 78 Differentials for the 1968 Oldsmobile 442, the most popular in our inventory are:
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
Bearings
from $16.99
(25)
Bearings
Differential Bearings
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil

What are the top-rated 1968 Oldsmobile 442 Differentials?

Top-rated Differentials for your 1968 Oldsmobile 442 based on customer reviews/ratings are:
Bearings
from $18.79
(3)
Bearings
“as advertised”
Taper Bearing Cone
from $17.99
(2)
Taper Bearing Cone
“good deal”
Shaft Repair Sleeve
from $37.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”