1978 Dodge Monaco Differentials

Essential 1978 Dodge Monaco Differentials

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

Side Gear And Thrust Washer For 7.25" Chrysler

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$69.99
Side gear thrust washer for 7.25″ Chrysler.

Product Features:
  • Side gear thrust washer kit
  • Fits Chrysler 7.25″
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Powertrax – Lock Right Locker (Part No.1240-LR)

Lock Right Locker

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$456.99
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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    Yukon Gear – Minor Install Kit For Chrysler 42 8.75" Differential (Part No.12006)

    Minor Install Kit For Chrysler 42 8.75" Differential

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    $142.99
    Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

    Product Features:
    • Fits Chrysler 8.75″ ’42’ case
    • Included are a pinion seal, pinion nut, completete shim kit, marking compound and brush.
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    USA Standard Gear – Open Spider Gear Set For Chrysler 8.25", 27 Spline (Part No.39002)

    Open Spider Gear Set For Chrysler 8.25", 27 Spline

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    $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.
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    Yukon Gear – Cross Pin Bolt For 7.25" Chrysler (Part No.33231)

    Cross Pin Bolt For 7.25" Chrysler

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    $26.99
    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 t

    Product Features:
    • Cross pin bolt
    • Fits Chrylser 7.25″
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    Motive Gear – Differential Pinion Shim Kit (Part No.1102)

    Differential Pinion Shim Kit

    from

    $9.49


    Product Features:
    • KIT SHIM PINION
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    National – Bearings (Part No.M86610)

    Bearings

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

    Yoke For Chrysler 7.25" And 8.25" With A 7290 U/Joint Size

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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
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    Yukon Gear – 8.25" Chrysler Pinion Gear Thrust Washer (Part No.33273)

    8.25" Chrysler Pinion Gear Thrust Washer

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    $26.99
    8.25″ Chrysler pinion gear thrust washer.

    Product Features:
    • Pinion gear thrust washer
    • Fits Chrysler 8.25″
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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

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

    Differential Side Bearing Screw Adjuster For 9.25" Chrysler

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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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    Richmond Gear – RngPnnInstlKt (Part No.83-1031-1)

    RngPnnInstlKt

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    $187.99
    RngPnnInstlKt

    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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    Yukon Gear – Standard Open Spider Gear Kit For 9.25" Chrysler With 31 Spline Axles (Part No.16004)

    Standard Open Spider Gear Kit For 9.25" Chrysler With 31 Spline Axles

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    $333.99
    Yukon standard open spider gear kit for 9.25″ Chrysler with 31 spline axles. 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
    • Fit 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.
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    Yukon Gear – Positraction Clutch Guide (Part No.33352)

    Positraction Clutch Guide

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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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    Powertrax – Grip PRO Traction System (Part No.GT436035)

    Grip PRO Traction System

    from

    $596.99
    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 – Spartan Locker For Chrysler 8.25" With 29 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17038)

    Spartan Locker For Chrysler 8.25" With 29 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

    from

    $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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    National – Bearings (Part No.HM89443)

    Bearings

    from

    $38.49
    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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    National – Multi Purpose Seal (Part No.8516N)

    Multi Purpose Seal

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    $17.29
    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:
    • Low swell in hydrocarbon fluids
    • Design type: spring loaded; multi-lip
    • Provides good low temperature capability
    • Temperature range: -40°F to 225°F; -40°C to 107°C
    • Delivers quality and reliable performance for every type of repair
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    Richmond Gear – Differential Gear Install Kit (Part No.83-1041-B)

    Differential Gear Install Kit

    from

    $42.99
    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 – 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
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    Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

    3 Qt - 80W90 Conventional Gear Oil With Posi Additive

    from

    $57.99
    3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

    Product Features:
    • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
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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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    National – Bearings (Part No.207)

    Bearings

    from

    $32.99
    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
    • Controlled heat treating process for lasting performance and extended bearing life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Yukon Gear – Powr Lok Belleville Clutch Plate, Splined (Part No.16174)

    Powr Lok Belleville Clutch Plate, Splined

    from

    $36.99
    Product Features:
    • Belleville plate, splined
    • Fits Dana Spicer 44 Powr Lok
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    Motive Gear – Performance Differential Ring and Pinion (Part No.C887456L)

    Performance Differential Ring and Pinion

    from

    $264.99


    Product Features:
    • CHRY 9BLT 8.75 LATE R/P 4.56 MGP
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    Felpro – Differential Cover Gasket (Part No.RDS 55073)

    Differential Cover Gasket

    from

    $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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    Felpro – Differential Cover Gasket (Part No.RDS 12775)

    Differential Cover Gasket

    from

    $8.29
    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

    1978 Dodge Monaco Differentials

    Maybe you’re in the middle of a full rebuild of that 1978 Dodge Monaco. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 179 different Differentials in our inventory ranging from $2.29 to $1,566.99. That means you can find the exact parts or products you need to keep that 1978 Dodge Monaco 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 1978 Dodge Monaco. 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 1978 Dodge Monaco, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,920 reviews in this category, some of the top rated parts include Differential Carrier Gear Kit with 3.7 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 Monaco 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 Monaco Last

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

    Popular Dorman Differentials

    We carry Dorman parts in our stock across Differential Ring and Pinions and Differential Bearing Kits categories, plus more. For a 1978 Dodge Monaco, our most popular Dorman Differentials include:
    Differential Ring And Pinion Set
    from $384.99
    (2)
    Differential Ring And Pinion Set
    Differential Ring and Pinions
    Ring and Pinion Bearing Installation Kit
    from $195.99
    (1)
    Ring and Pinion Bearing Installation Kit
    Differential Bearing Kits

    Top 1978 Dodge Monaco Differentials from Felpro

    Felpro products are another trusted brand when it comes to Differentials for your 1978 Dodge Monaco. 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 Housing Cover Gaskets

    FAQs for 1978 Dodge Monaco Differentials

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

    Out of 179 Differentials for the 1978 Dodge Monaco, the most popular in our inventory are:
    3 Qt - 80W90 Conventional Gear Oil With Posi Additive
    from $57.99
    This product is not rated
    3 Qt – 80W90 Conventional Gear Oil With Posi Additive
    Differential Oil
    Bearings
    from $23.99
    (7)
    Bearings
    Front Differential Pinion Bearings
    Ring Gear Bolt
    from $2.49
    This product is not rated
    Ring Gear Bolt
    Differential Ring Gear Bolts

    What are the top-rated 1978 Dodge Monaco Differentials?

    Top-rated Differentials for your 1978 Dodge Monaco based on customer reviews/ratings are:
    Differential Carrier Gear Kit
    from $219.99
    (6)
    Differential Carrier Gear Kit
    “Great customer service”
    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”