1978 Dodge Diplomat Differentials

Name: Bearing Race Driver
Brand: Yukon Gear
SKU: 56023
Price: 219.99 USD

Find your specific 1978 Dodge Diplomat original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1978 Dodge Diplomat Differentials

from

$219.99

Bearing race driver. No return.

Product Features:

Bearing race driver
Fits M88010 race
All steel construction

from

$209.99

USA Standard Gear open spider gear set for Chrysler 8.25″, 27 spline .

Product Features:

Spider gear kit
Fits Chrysler 8.25″ 27 spline open differential
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.

from

$9.49

Product Features:

Brand may vary by location

from

$9.49

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

from

$389.99

Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:

Spider gear kit
Fits Chrysler 9.25″
Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
Fits Yukon Dura Grip

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$359.99

Yukon yoke for Chrysler 7.25″ and 8.25″ with a 7290 U/joint size. 2.625″ snap ring span. 1.125″ cap diameter. Inside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits Chrysler 7.25″ and 8.25″
27 spline
7290 u-joint size
Inside snap ring design
2.625″ snap ring span
1.125″ cap diameter
Strap style

from

$5.99

This differential cover plug is designed to match the fit & function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models.
Ideal solution – this plug 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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$31.99

Product Features:

MINI-INSTLTN KIT-CHRYSLER 7 1/4″

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$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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$799.99

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 Chrysler 8.25″ with 29 spline axles
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case

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$136.99

Product Features:

SUPER KIT-CHRY 8.25 *TIMKIN*

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$64.99

Differential side bearing screw adjuster for 9.25″ Chrysler.

Product Features:

Side adjuster for Chrysler 9.25″ rear

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$73.99

Toyota wheel seal for ’80-’97 Full float Landcruiser outer rear, ’86-’95 dually pick-up.Yukon Mighty seal.

Product Features:

Fits Chrysler 9.25″ rear
Chrome

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$27.99

8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.

Product Features:

Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″

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$84.99

Standard Open notched cross pin shaft for 9.25″ Chrysler.

Product Features:

Cross pin shaft
Fits Chrysler 9.25″
Standard open carrier only
Notched

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$15.49

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

from

$26.99

Product Features:

Pinion nut
Fits Chrysler 7.25″, 8.0″, 8.25″, 9.25″ and 8.75″ with 29 spline pinion

from

$9.99

CUP

from

$159.99

Yukon yoke for GM 12 bolt car & truck, 1330 u/joint size. 3.625″ snap ring span, 1.062″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:

Fits 1976 and up Chrysler 8.25″
Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.

from

$98.99

Six piece side gear thrust washer kit for Chrysler 8″ and 9.25″.

Product Features:

Side gear thrust washer kit
Fits Chrysler 8″ and 9.25″

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$173.99

Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for Chrysler 9.25″ rear differential. This kit contains carrier bearings and races.

Product Features:

Fits Chrysler 9.25″ rear
Includes carrier bearings and races

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$7.99

Product Features:

CHRY 8 3/4″ RING GEAR BOLTS C 8.25″

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$223.99

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, 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 Chrysler 7.25″
Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.

from

$450.99

The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.

Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.

Powertrax® 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.

Powertrax® = Extreme Traction Systems!

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$2.49

Product Features:

CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000

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$9.49

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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$231.99

A worn or damaged differential pinion flange can lead to driveline vibrations and fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

Product Features:

Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles.
Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged.
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

from

$6.79

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

Popular 1978 Dodge Diplomat Differentials Categories

Differential Oil

Rear Differential Cover Gaskets

Differential Covers

Differential Pinion Shaft Lock Bolts

Differential Bearings

Differential Pinion Flanges

Differential Pinion Pilot Bearings

Differential Carriers

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Spider Gear Kits

Differential Rebuild Kits

Differential Carrier Shim Kits

Differential Pinion Seals

Differential Cover Plugs

Differential Ring and Pinions

Differential End Yokes

Rear Differential Pinion Bearings

Differential Spools

Differential Carrier Bearings

Differential Carrier Bearing Adjusters

Rear Housing Cover Gaskets

Differential Pinion Bearing Kits

Complete Differentials

Differential Ring Gear Bolts

Bearing Race Drivers

Differential Crush Sleeves

Differential Side Bearing Spacers

Differential Pinion Shims

Differential Pinion Shaft Nuts

Differential Gear Install Kits

Differential Cross Pins

Differential Side Gear Thrust Washers

Differential Pinion Gear Thrust Washers

Differential Clutch Pack Clips

Maybe you’re in the middle of a full rebuild of that 1978 Dodge Diplomat. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 166 different Differentials in our inventory ranging from $2.49 to $1,566.99. That means you can find the exact parts or products you need to keep that 1978 Dodge Diplomat running smoothly.

Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Dodge Diplomat. FELPRO, Driveworks, and Yukon 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 1978 Dodge Diplomat, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,479 reviews in this category, some of the top rated parts include Differential Ring And Pinion Set with 5.0 stars and Differential Pinion Shim Kit with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1978 Dodge Diplomat 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 1978 Dodge Diplomat Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Dodge Diplomat 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 Diplomat the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Yukon Gear Differentials

We carry Yukon Gear parts in our stock across Differential Cross Pins categories, plus more. For a 1978 Dodge Diplomat, our most popular Yukon Gear Differentials include:

from $46.99

(1)

Cross Pin Shaft For Standard Open Chrysler 9.25"

Differential Cross Pins

Top 1978 Dodge Diplomat Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1978 Dodge Diplomat. Popular Felpro parts include:

from $9.49

(34)

Differential Cover Gasket

Rear Differential Cover Gaskets

from $6.79

(21)

DIFFERENTIAL GASKET

Rear Housing Cover Gaskets

FAQs for 1978 Dodge Diplomat Differentials

What are the most purchased Differentials for the 1978 Dodge Diplomat?

Out of 166 Differentials for the 1978 Dodge Diplomat, the most popular in our inventory are:

from $13.99

(14)

Tapered Cone/Cup Wheel Bearing Set

Front Differential Pinion Bearings

from $57.99

This product is not rated

3 Qt – 80W90 Conventional Gear Oil With Posi Additive

Differential Oil

from $23.99

(7)

Bearings

Front Differential Pinion Bearings

What are the top-rated 1978 Dodge Diplomat Differentials?

Top-rated Differentials for your 1978 Dodge Diplomat based on customer reviews/ratings are:

from $384.99

(2)

Differential Ring And Pinion Set

“good”

from $7.49

(1)

Differential Pinion Shim Kit

“good product”

from $2.49

(1)

Differential Crush Sleeve

“High quality, would buy again”

1978 Dodge Diplomat Differentials

More 1978 Dodge Diplomat Differentials

Essential 1978 Dodge Diplomat Differentials

Yukon Gear – Bearing Race Driver (Part No.56023)

USA Standard Gear – Open Spider Gear Set For Chrysler 8.25", 27 Spline (Part No.39002)

Driveworks – Differential Pinion Seal (Part No.S-5126)

National – Bearings (Part No.M86610)

Yukon Gear – Positraction Spiders For Chrysler9.25" Dura Grip Posi, 31 Spline, No Clutches Included (Part No.16180)

Yukon Gear – Yoke For Chrysler 7.25" And 8.25" With A 7290 U/Joint Size (Part No.41005)

Dorman – Help – Differential Plug, Rubber (Part No.65293)

Motive Gear – Differential Gear Install Kit (Part No.C7.25IK)

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

USA Standard Gear – Spartan Locker For Chrysler 8.25" With 29 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17038)

Motive Gear – Differential Super Bearing Kit – Timken (Part No.R8.25RSKT)

Yukon Gear – Differential Side Bearing Screw Adjuster For 9.25" Chrysler (Part No.33256)

Yukon Gear – Chrome Cover For Chrysler 9.25" (Part No.32001)

Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)

Yukon Gear – Standard Open Notched Cross Pin Shaft For 9.25" Chrysler (Part No.33309)

National – Bearings (Part No.HM88610)

Yukon Gear – Chrysler Fine Spline Pinion Nut For Chrysler 7.25", 8", 8.25", 8.75", And 9.25" (Part No.33253)

FAG US – CUP (Part No.LM501310)

USA Standard Gear – Pinion Installation Kit For ’76 And Up Chrysler 8.25" (Part No.60020)

Yukon Gear – Six Piece Side Gear And Thrust Washer Kit For Chrysler 8" And 9.25" (Part No.33278)

Yukon Gear – Carrier Installation Kit For Chrysler 9.25" Rear Differential (Part No.57001)

Motive Gear – Ring Gear Bolt (Part No.1304)

Yukon Gear – Pinion Install Kit For Chrysler 7.25" Differential (Part No.13001)

Powertrax – Lock Right Locker (Part No.1230-LR)

Motive Gear – Differential Crush Sleeve (Part No.3507575)

Felpro – Differential Cover Gasket (Part No.RDS 55073)

Dorman – Differential Pinion Yoke Assembly (Part No.697-541)

Felpro – DIFFERENTIAL GASKET (Part No.RDS 55047)

Popular 1978 Dodge Diplomat Differentials Categories