1979 Dodge Diplomat Differentials

Essential 1979 Dodge Diplomat Differentials

Powertrax – No-Slip Traction System (Part No.9203822705)

No-Slip Traction System

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$527.99
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!
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    Motive Gear – Differential Carrier Gear Kit (Part No.C7.25BI)

    Differential Carrier Gear Kit

    from

    $108.99


    Product Features:
    • CHRYSLER 7.25″ INTERNAL KIT
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    Yukon Gear – Ring Gear Bolt For Chrysler 7.25", 8" IFS, 8.25", 8.75" & GM 7.2" IFS Front (Part No.33035)

    Ring Gear Bolt For Chrysler 7.25", 8" IFS, 8.25", 8.75" & GM 7.2" IFS Front

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    $8.99
    Ring gear bolt for Chrysler 7.25″, 8″ IFS, 8.25″, 8.75″ & GM 7.2″ IFS front. 3/8″ x 24.

    Product Features:
    • Ring gear bolt for Chrysler 7.25″, 8.0″ IFS and 8.75″
    • 3/8″ x 24 thread
    • .866″ long
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    Motive Gear – Differential Crush Sleeve (Part No.3507575)

    Differential Crush Sleeve

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    $2.49


    Product Features:
    • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
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    Yukon Gear – Differential Side Bearing Screw Adjuster For 9.25" Chrysler (Part No.33256)

    Differential Side Bearing Screw Adjuster For 9.25" Chrysler

    from

    $64.99
    Differential side bearing screw adjuster for 9.25″ Chrysler.

    Product Features:
    • Side adjuster for Chrysler 9.25″ rear
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    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

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

    Rubber Fill Plug For Chrysler

    from

    $22.99
    Product Features:
    • Rubber fill plug
    • Fits Chrysler 7.25″, 8.25″ and 9.25″
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    Yukon Gear – Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler (Part No.33301)

    Pinion Gear And Thrust Washer For 8" And 9" Ford, Model 20, And 7.25" Chrysler

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    $4.99
    Pinion gear thrust washer for 8″ and 9″ Ford, Model 20, and 7.25″ Chrysler.

    Product Features:
    • Pinion gear thrust washer for Ford 8″, Ford 9″ and Chrysler 7.25″
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    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
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    National – Bearings (Part No.M88010)

    Bearings

    from

    $10.49
    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
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    Yukon Gear – Set Up Bearing (Part No.56045)

    Set Up Bearing

    from

    $153.99
    M802048 set-up bearing (one bearing). No return.

    Product Features:
    • Set up bearing
    • Fits M802048 pinion bearing
    • Easily slips on and off pinion journal to allow for easier pinion depth adjustment
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    Motive Gear – Differential Pinion Shim Kit (Part No.1104)

    Differential Pinion Shim Kit

    from

    $12.99


    Product Features:
    • KIT SHIM
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    Yukon Gear – Bearing Install Kit For ’00 & Down Chrysler 9.25" Rear Differential (Part No.11011)

    Bearing Install Kit For '00 & Down Chrysler 9.25" Rear Differential

    from

    $274.99
    Yukon Bearing installation kits are perfect for shops & builders who have shims on the shelf and are looking to save cost over a Master Overhaul kit. This kit uses Timken bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and 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 ring & pinion set.

    Product Features:
    • Fits 2000 and down Chrysler 9.25″ rear
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve , marking compound and brush.
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    Yukon Gear – Steel Cover For Chrysler 9.25" Rear (Part No.32314)

    Steel Cover For Chrysler 9.25" Rear

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    $93.99
    Product Features:
    • Fits Chrysler 9.25″ rear
    • Steel
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    Yukon Gear – Pinion Install Kit For ’76 And Newer Chrysler 8.25" Differential (Part No.13004)

    Pinion Install Kit For '76 And Newer Chrysler 8.25" Differential

    from

    $159.99
    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 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.
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    National – Shaft Repair Sleeve (Part No.99168)

    Shaft Repair Sleeve

    from

    $36.49
    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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    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
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    Yukon Gear – 7.25" & 8.25" Chrysler Pinion Seal (Part No.30189)

    7.25" & 8.25" Chrysler Pinion Seal

    from

    $16.99
    7.25″ & 8.25″ Chrysler pinion seal.Yukon Mighty seal.

    Product Features:
    • Pinion seal
    • Fits Chrysler 7.25″ and 8.25″
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    Motive Gear – Differential Gear Install Kit (Part No.C7.25IK)

    Differential Gear Install Kit

    from

    $31.99
    Product Features:
    • MINI-INSTLTN KIT-CHRYSLER 7 1/4″
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    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
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    Yukon Gear – Cross Pin Shaft For 8.25" Chrysler (Part No.33308)

    Cross Pin Shaft For 8.25" Chrysler

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    $57.99
    Cross pin shaft for 8.25″ Chrysler.

    Product Features:
    • Cross pin shaft for Chrysler 8.25″
    • Fits standard open differentials only
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    USA Standard Gear – Pinion Installation Kit For Chrysler 9.25" Rear (Part No.60004)

    Pinion Installation Kit For Chrysler 9.25" Rear

    from

    $135.99
    9.25″ Chrysler REAR PINION KIT .

    Product Features:
    • Fits 2000 and down Chrysler 9.25″ rear
    • 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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    Yukon Gear – High Performance Ring & Pinion Gear Set For ’09 & Down Chrysler 9.25" In A 3.55 Ratio (Part No.24013)

    High Performance Ring & Pinion Gear Set For '09 & Down Chrysler 9.25" In A 3.55 Ratio

    from

    $674.99
    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 has an updated, proprietary, design that provides longer life and higher durability than the competition. 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. We reccomend an OEM gear for van applications. This gear set is for ’09 and older applications only.

    Product Features:
    • Fits 2010 and down Chrysler 9.25″ rear
    • 9.25″ ring gear diameter
    • 29 spline pinion
    • 12 ring gear bolts
    • 3.55 ratio
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    Yukon Gear – Dura Grip For Chrysler 9.25" Rear (Part No.26019)

    Dura Grip For Chrysler 9.25" Rear

    from

    $829.99
    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
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    Yukon Gear – The Carrier Bearing Puller (Part No.56034)

    The Carrier Bearing Puller

    from

    $689.99
    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 most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with 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
    • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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    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

    $829.99
    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
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    National – Bearings (Part No.JLM704610)

    Bearings

    from

    $16.49
    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
    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

    $261.99
    Product Features:
    • Standard open carrier case
    • Fits 2009 and down Chrysler 9.25″ rear
    • Does not include spider gears
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    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 $829.99. 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, National, and Driveworks 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 2,016 reviews in this category, some of the top rated parts include Bearings with 4.8 stars and Bearings with 4.7 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 Differential 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:
    Tapered Cone/Cup Wheel Bearing Set
    from $13.99
    (14)
    Tapered Cone/Cup Wheel Bearing Set
    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
    Bearings
    from $15.99
    (9)
    Bearings
    Front Differential Pinion Bearings

    What are the top-rated 1979 Dodge Diplomat Differentials?

    Top-rated Differentials for your 1979 Dodge Diplomat based on customer reviews/ratings are:
    Bearings
    from $10.49
    (4)
    Bearings
    “Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
    Bearings
    from $18.79
    (3)
    Bearings
    “as advertised”
    Differential Ring and Pinion Set
    from $384.99
    (2)
    Differential Ring and Pinion Set
    “good”