1979 Dodge Diplomat Differentials

Essential 1979 Dodge Diplomat Differentials

Yukon Gear – Dura Grip For Chrysler 9.25" Rear (Part No.26019)

Dura Grip For Chrysler 9.25" Rear

from

$809.99
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 Chrysler 9.25″ rear
  • 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
See More

USA Standard Gear – Open Spider Gear Set For Chrysler 9.25", 31 Spline (Part No.39004)

Open Spider Gear Set For Chrysler 9.25", 31 Spline

from

$209.99
Product Features:
  • Fits Chrysler 9.25″ rear with open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
See More

USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

from

$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
See More

Yukon Gear – Bearing Race Driver (Part No.56020)

Bearing Race Driver

from

$188.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M802011 race
  • All steel construction
See More

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

Differential Side Bearing Screw Adjuster For 9.25" Chrysler

from

$62.99
Differential side bearing screw adjuster for 9.25″ Chrysler.

Product Features:
  • Side adjuster for Chrysler 9.25″ rear
See More

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

Pinion Install Kit For Chrysler 7.25" Differential

from

$202.99
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.
See More

Yukon Gear – Rubber Fill Plug For Chrysler (Part No.33463)

Rubber Fill Plug For Chrysler

from

$25.99
Product Features:
  • Rubber fill plug
  • Fits Chrysler 7.25″, 8.25″ and 9.25″
See More

Yukon Gear – Side Gear And Thrust Washer For 7.25" Chrysler (Part No.33279)

Side Gear And Thrust Washer For 7.25" Chrysler

from

$56.99
Side gear thrust washer for 7.25″ Chrysler.

Product Features:
  • Side gear thrust washer kit
  • Fits Chrysler 7.25″
See More

Yukon Gear – Carrier Installation Kit For ’76 & Up Chrysler 8.25" Rear (Part No.57014)

Carrier Installation Kit For '76 & Up Chrysler 8.25" Rear

from

$78.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for ’76 & up Chrysler 8.25″ rear.

Product Features:
  • Fits 1976 and up Chrysler 8.25″
  • Includes carrier bearings and races
See More

Powertrax – No-Slip Traction System (Part No.9203923125)

No-Slip Traction System

from

$579.99
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!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!
  • See More

    Driveworks – Taper Bearing Cone (Part No.S-HM-88649)

    Taper Bearing Cone

    from

    $19.29
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Yukon Gear – The Carrier Bearing Puller (Part No.56072)

    The Carrier Bearing Puller

    from

    $883.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
    See More

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

    Differential Bearing Kit - Timken

    from

    $102.99
    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:
    • KIT BRG & SEAL CHRYSLER 8.25″
    See More

    Yukon Gear – Steel Cover For Chrysler 9.25" Rear (Part No.32314)

    Steel Cover For Chrysler 9.25" Rear

    from

    $93.99
    Product Features:
    • Fits Chrysler 9.25″ rear
    • Steel
    See More

    Felpro – Differential Cover Gasket (Part No.RDS 55392)

    Differential Cover Gasket

    from

    $10.49
    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
    See More

    Yukon Gear – Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD (Part No.30228)

    Redi-Sleeve Yoke Saver For 8.75" C, 9.25" C, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD

    from

    $37.99
    Replacement redi-sleeve yoke saver for 8.75″ c, 9.25″ c, Dana 60, Dana 61, Dana 70, Dana 70U, Dana 70HD .Yukon Mighty seal.

    Product Features:
    • Redi-Sleeve yoke saver
    • Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD
    See More

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

    Differential Pinion Yoke Assembly

    from

    $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
    See More

    Yukon Gear – Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing (Part No.30121)

    Pinion Seal For 8.75" Chrysler Or For 9.25" Chrysler With 41 Or 89 Housing

    from

    $13.99
    Pinion seal for 8.75″ Chrysler or for 9.25″ Chrysler with 41 or 89 housing.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits Chrysler 8.75″ with ’41’ and ’89’ case housings and 2000 and down Chrysler 9.25″
    See More

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

    Chrysler Fine Spline Pinion Nut For Chrysler 7.25", 8", 8.25", 8.75", And 9.25"

    from

    $43.99
    Product Features:
    • Pinion nut
    • Fits Chrysler 7.25″, 8.0″, 8.25″, 9.25″ and 8.75″ with 29 spline pinion
    See More

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

    Differential Shaft Lock Bolt

    from

    $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
    See More

    Motive Gear – Differential Gear Install Kit (Part No.C8.25IK)

    Differential Gear Install Kit

    from

    $39.99
    Product Features:
    • MINI INSTALL KIT CHRYSLER 8.25 8 1/4″
    See More

    USA Standard Gear – Master Overhaul Kit for the Chrysler ’76-’04 8.25" Differential (Part No.37001)

    Master Overhaul Kit for the Chrysler '76-'04 8.25" Differential

    from

    $186.99
    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 1976-2004 Chrysler 8.25″
    • 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.
    See More

    USA Standard Gear – Ring/Pinion Sets (Part No.36349)

    Ring/Pinion Sets

    from

    $393.99
    Ring/Pinion Sets

    Yukon Gear – 9.25" Pinion Gear Thrust Washer (Part No.33274)

    9.25" Pinion Gear Thrust Washer

    from

    $12.99
    9.25″ pinion gear thrust washer.

    Product Features:
    • Pinion gear thrust washer for Chrysler 9.25″ rear
    See More

    Yukon Gear – Crush Sleeve (Part No.33094)

    Crush Sleeve

    from

    $15.99
    Crush Sleeve for Chrysler 8″ & 9.25″ rear. Approx 0.630″ long.

    Product Features:
    • Crush sleeve for Chrysler 8.0″ IFS and 9.25″ rear, also Ford 9″ with aftermarket Daytona pinion support
    • 0.630″ tall
    See More

    USA Standard Gear – Spartan Locker For Chrysler 8.25" With 27 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17037)

    Spartan Locker For Chrysler 8.25" With 27 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

    from

    $788.99
    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 27 spline axles
    • Made from 9310 steel for added strength
    • Replaces the spiders in a standard carrier case
    See More

    Yukon Gear – Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt (Part No.33230)

    Model 35 (Standard Open & Tracloc) 8.25" Chrysler Tracloc Cross Pin Bolt

    from

    $13.99
    Model 35 (standard Open & TracLoc) 8.25″ Chrysler TracLoc cross pin bolt.

    Product Features:
    • Cross pin bolt for AMC Model 35 with c-clip axles
    See More

    Yukon Gear – Standard Open Carrier Case For ’09 & Down Chrysler 9.25" Rear (Part No.20008)

    Standard Open Carrier Case For '09 & Down Chrysler 9.25" Rear

    from

    $235.99
    Product Features:
    • Standard open carrier case
    • Fits 2009 and down Chrysler 9.25″ rear
    • Does not include spider gears
    See More

    1979 Dodge Diplomat Differentials

    Maybe you’re in the middle of a full rebuild of that 1979 Dodge Diplomat. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 168 different Differentials in our inventory ranging from $2.49 to $883.99. That means you can find the exact parts or products you need to keep that 1979 Dodge Diplomat running smoothly.

    Differentials are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 1979 Dodge Diplomat. Felpro, Yukon Gear, 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 1979 Dodge Diplomat, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,491 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 1979 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 1979 Dodge Diplomat Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1979 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 1979 Dodge Diplomat, our most popular Yukon Gear Differentials include:
    Cross Pin Shaft For Standard Open Chrysler 9.25"
    from $46.99
    (1)
    Cross Pin Shaft For Standard Open Chrysler 9.25"
    Differential Cross Pins

    Top 1979 Dodge Diplomat Differentials from Felpro

    Felpro products are another trusted brand when it comes to Differentials for your 1979 Dodge Diplomat. Popular Felpro parts include:
    Differential Cover Gasket
    from $9.49
    (34)
    Differential Cover Gasket
    Rear Housing Cover Gaskets
    DIFFERENTIAL GASKET
    from $6.79
    (21)
    DIFFERENTIAL GASKET
    Rear Differential Cover Gaskets

    FAQs for 1979 Dodge Diplomat Differentials

    What are the most purchased Differentials for the 1979 Dodge Diplomat?

    Out of 168 Differentials for the 1979 Dodge Diplomat, the most popular in our inventory are:
    3 Qt - Penzoil 80W90 Conventional Gear Oil
    from $44.99
    This product is not rated
    3 Qt – Penzoil 80W90 Conventional Gear Oil
    Differential Oil
    Bearings
    from $15.99
    (7)
    Bearings
    Front Differential Pinion Bearings
    Ring Gear Bolt For Chrysler 9.25" Rear
    from $9.99
    This product is not rated
    Ring Gear Bolt For Chrysler 9.25" Rear
    Differential Ring Gear Bolts

    What are the top-rated 1979 Dodge Diplomat Differentials?

    Top-rated Differentials for your 1979 Dodge Diplomat based on customer reviews/ratings are:
    Differential Ring and Pinion Set
    from $384.99
    (2)
    Differential Ring and Pinion Set
    “good”
    Differential Pinion Shim Kit
    from $7.49
    (1)
    Differential Pinion Shim Kit
    “good product”
    Differential Crush Sleeve
    from $2.49
    (1)
    Differential Crush Sleeve
    “High quality, would buy again”