1973 Plymouth Valiant Differentials

Keep Your 1973 Plymouth Valiant in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1973 Plymouth Valiant looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Rear Housing Cover Gaskets, and Differential Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National, FELPRO, and Motive Gear. For example, National Differentials start at just $7.99 with an average 4.3 star rating. FELPRO and Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 392 reviews and a solid 4 star average, you can shop with confidence knowing other Plymouth Valiant owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1973 Plymouth Valiant Differential at Advance Auto Parts is around $128.34, with a range that starts at $7.79 and goes up to $527.99. With 47 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Tapered Cone/Cup Wheel Bearing Set, Bearing Race, and Tapered Roller Bearing Cone start at just $7.79 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1973 Plymouth Valiant in peak condition, inside and out.

Essential 1973 Plymouth Valiant Differentials

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

Differential Crush Sleeve

from

$2.99


Product Features:
  • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
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Motive Gear – Differential Bearing Kit – Koyo (Part No.R8.75RLA)

Differential Bearing Kit - Koyo

from

$96.99


Product Features:
  • BEARING KIT 8.75 CHRY 1.875 489 CST OPEN/AUBURN/TRUETRAC/DET.LOCKER
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Motive Gear – Ring Gear Bolt (Part No.1304)

Ring Gear Bolt

from

$7.99


Product Features:
  • CHRY 8 3/4″ RING GEAR BOLTS C 8.25″
See More

Felpro – Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket (Part No.RDS 6583)

Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket

from

$7.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Powertrax – Grip LS Traction System (Part No.LS308229)

Grip LS Traction System

from

$505.99
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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National – Bearing Race (Part No.LM104912)

Bearing Race

from

$14.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways 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
See More

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

No-Slip Traction System

from

$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!
  • See More

    Felpro – Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55047)

    Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket

    from

    $8.29
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    National – Differential Pinion Seal (Part No.8515N)

    Differential Pinion Seal

    from

    $21.49
    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:
    • Design type: spring loaded; multi-lip
    • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
    • Resistance to EP lubricants
    • Low swell in hydrocarbon fluids
    • Delivers quality and reliable performance for every type of repair
    See More

    National – Tapered Roller Bearing Cone (Part No.HM803149)

    Tapered Roller Bearing Cone

    from

    $36.99
    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
    See More

    Motive Gear – Differential Pinion Shim Kit (Part No.1108)

    Differential Pinion Shim Kit

    from

    $15.79


    Product Features:
    • PINION SHIM 8 3/4″ EARLY
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    Powertrax – Lock Right Locker (Part No.1240-LR)

    Lock Right Locker

    from

    $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!
  • See More

    Motive Gear – Drive Shaft Pinion Yoke (Part No.MG1350-8759)

    Drive Shaft Pinion Yoke

    from

    $254.99


    Product Features:
    • BILLET HP 1350-29 SPLINE YOKE
    See More

    Motive Gear – Pinion Nut (Part No.1260823)

    Pinion Nut

    from

    $8.49
    Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
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    Motive Gear – Differential Ring and Pinion (Part No.C8.25-410)

    Differential Ring and Pinion

    from

    $324.99


    Product Features:
    • CHRY 10BLT 8.25+8.36 R&P-4.10 RATIO
    See More

    Richmond Gear – RngPnn (Part No.69-0047-1)

    RngPnn

    from

    $342.99
    RngPnn

    Yukon Gear – Bolt/Screw For Adjuster Lock For Chrysler 7.25", 8.25", 8.75", 9.25" (Part No.33233)

    Bolt/Screw For Adjuster Lock For Chrysler 7.25", 8.25", 8.75", 9.25"

    from

    $15.99
    Bolt/screw for adjuster lock for Chrysler 7.25″, 8.25″, 8.75″, 9.25″.

    Product Features:
    • Side adjuster lock bolt
    • Fits Chrysler 7.25″, 8.25″, 8.75″ and 9.25″
    See More

    Yukon Gear – Differential Carrier Side Bearing Screw Adjuster For Chrysler 7.25" And 8.25" (Part No.33257)

    Differential Carrier Side Bearing Screw Adjuster For Chrysler 7.25" And 8.25"

    from

    $42.99
    Differential carrier side bearing screw adjuster for Chrysler 7.25″ and 8.25″.

    Product Features:
    • Side adjuster
    • Fits Chrysler 7.25″ and 8.25″
    See More

    National – Shaft Repair Sleeve (Part No.99212)

    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
    See More

    FAG US – Repair Sleeve (Part No.SR3506)

    Repair Sleeve

    from

    $53.99
    The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

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

    Differential Carrier Gear Kit

    from

    $108.99


    Product Features:
    • CHRYSLER 7.25″ INTERNAL KIT
    See More

    National – Bearing Race (Part No.HM89410)

    Bearing Race

    from

    $10.79
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways 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
    See More

    National – Bearing Race (Part No.HM803110)

    Bearing Race

    from

    $20.49
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways 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
    See More

    Motive Gear – Differential Gear Install Kit (Part No.C8.75IKL)

    Differential Gear Install Kit

    from

    $51.99


    Product Features:
    • MINI INSTALL KIT CHRYSLER 8.75 8 3/4″ LATE
    See More

    Motive Gear – Differential Gear Install Kit (Part No.C8.75IKE)

    Differential Gear Install Kit

    from

    $52.99


    Product Features:
    • MINI INSTALL KIT CHRYSLER 8.75 8 3/4″ EARLY 742 CASE
    See More

    Felpro – Axle Housing Cover Gasket Irregular Shaped 9 Bolt Hole Gasket (Part No.RDS 12775)

    Axle Housing Cover Gasket Irregular Shaped 9 Bolt Hole Gasket

    from

    $8.29
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Most Popular Differential Pinion Seals for 1973 Plymouth Valiants

    Enhance your 1973 Plymouth Valiant with one of the 2 Differential Pinion Seals we have in stock, starting at just $10.99.

    National – Multi-Purpose Seal (Part No.5126)

    Multi-Purpose Seal

    from

    $16.99
    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:
    • Design type: spring loaded; multi-lip
    • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
    • Good low temperature capability
    • Low swell in hydrocarbon fluids
    • Delivers quality and reliable performance for every type of repair
    See More

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

    Multi-Purpose Seal

    from

    $10.99
    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:
    • Design type: spring loaded; multi-lip
    • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
    • Resistance to EP lubricants
    • Low swell in hydrocarbon fluids
    • Delivers quality and reliable performance for every type of repair
    See More

    Best-Selling 1973 Plymouth Valiant Rear Housing Cover Gasket

    Upgrade your Valiant with our best-selling Rear Housing Cover Gasket.

    Felpro – Axle Housing Cover Gasket Irregular Shaped 9 Bolt Hole Gasket (Part No.RDS 12775)

    Axle Housing Cover Gasket Irregular Shaped 9 Bolt Hole Gasket

    from

    $8.29
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Top-Quality Differential Bearings for 1973 Plymouth Valiants

    Choose a high-quality OEM or aftermarket Differential Bearing for Plymouth Valiants and enjoy top-notch performance from $7.79.

    National – Bearing Race (Part No.LM104912)

    Bearing Race

    from

    $14.29
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways 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
    See More

    Driveworks – Tapered Cone/Cup Wheel Bearing Set (Part No.S-A-35)

    Tapered Cone/Cup Wheel Bearing Set

    from

    $26.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Bearing Race (Part No.LM102910)

    Bearing Race

    from

    $7.79
    Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

    Product Features:
    • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION – Crowned raceways 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
    See More

    National – Tapered Roller Bearing Cone (Part No.LM104949)

    Tapered Roller Bearing Cone

    from

    $21.99
    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
    See More

    Driveworks – Taper Bearing Cone (Part No.S-LM-104949)

    Taper Bearing Cone

    from

    $11.99
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    National – Bearing Race (Part No.LM501310)

    Bearing Race

    from

    $8.49
    Product Features:
    • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
    • SMOOTH ROTATION: Crowned raceways 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
    See More

    FAG US – Cone (Part No.KM86649)

    Cone

    from

    $24.29
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT17)

    Bearing - TRB (Tapered Roller Bearing)

    from

    $19.49
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    FAG US – Cup (Part No.M88010)

    Cup

    from

    $11.29
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    FAG US – Cup (Part No.LM501310)

    Cup

    from

    $9.99
    With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

    Product Features:
    • High-precision and High-quality components used in all KITs
    • Coverage of classic and new high-tech solutions for the best system coverage
    See More

    Our Top Pick for a 1973 Plymouth Valiant Rear Differential Cover Gasket

    Invest in a durable Rear Differential Cover Gasket for your 1973 Plymouth, knowing you’re getting trusted brands and expert craftsmanship.

    Felpro – Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket (Part No.RDS 55047)

    Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket

    from

    $8.29
    Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Engineered for the sealing repair environment
    • Validated for fit, form and function
    • Unsurpassed quality you can trust
    See More

    Our Differential Ring Gear Bolts for 1973 Plymouth Valiants

    Make a smart move for your 1973 Plymouth Valiant with our Differential Ring Gear Bolt for $7.99.

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

    Ring Gear Bolt

    from

    $7.99


    Product Features:
    • CHRY 8 3/4″ RING GEAR BOLTS C 8.25″
    See More

    Top-Rated Differential Brands For Your 1973 Plymouth Valiant

    When it comes to finding the perfect Differential for your 1973 Plymouth Valiant, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Differential brands including FELPRO, National, and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1973 Plymouth Valiant, providing peace of mind with parts that meet or exceed OEM standards.

    Popular FELPRO 1973 Plymouth Valiant Differentials

    If you’re looking for a top-quality Differential for your 1973 Plymouth Valiant, Advance Auto Parts has exactly what you need with our selection of FELPRO Differentials. We have 2 FELPRO Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $8.14, you’ll find the perfect Differential for your needs and budget. FELPRO Differentials for the 1973 Plymouth Valiant come highly rated, with over 22 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
    Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
    from $7.99
    (1)
    Differential Carrier Gasket Round Shaped 10 Bolt Hole Gasket
    “It just what i needed for my 74 cuda rear end house which is 8 3/4”
    Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
    from $8.29
    (21)
    Axle Housing Cover Gasket: Oval Shaped 10 Bolt Hole Gasket
    “I always use Fel-Pro gaskets they’re the best, but this gasket to replace the differential gasket on my son’s Jeep when I did a fluid change work and ”

    Top-Quality National 1973 Plymouth Valiant Differentials

    For those in search of a high-quality Differential for their 1973 Plymouth Valiant, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $7.99, with an average price of $13.09, giving you a range of options to suit your budget. Backed by over 6 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
    Bearing Race
    from $7.99
    (4)
    Bearing Race
    “Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”
    Bearing Race
    from $14.29
    (1)
    Bearing Race
    “As always, these bearings did the job and last forever. Just happy I found them in stock.”
    Multi-Purpose Seal
    from $16.99
    (1)
    Multi-Purpose Seal
    “Perfect fit and in stock for a 50 year old vehicle. Thanks Advance Auto Parts”

    FAQs for 1973 Plymouth Valiant Differentials

    What are the best-selling Differentials for 1973 Plymouth Valiants?

    Out of 47 Differentials that fit 1973 Plymouth Valiants, the following parts are the top sellers:

    What’s the price range for 1973 Plymouth Valiant Differentials?

    The prices of Differentials for the 1973 Plymouth Valiant range from $7.79 up to $527.99 for the most premium parts.

    What is the average price of a Differential for a 1973 Plymouth Valiant?

    The average price for Differentials for the 1973 Plymouth Valiant is $128.34. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

    Does Advance Auto Parts sell Differentials for other Plymouth Valiant model years?

    Yes, we carry Differentials for 15 model years of Plymouth Valiants between 1960 and 1976. The following model years are the most popular for Differential purchases: 1976, 1975, 1974, 1972, 1971, 1970, 1969, 1968, and 1967.

    What are the cheapest Differentials for my 1973 Plymouth Valiant?

    The cheapest 1973 Plymouth Valiant Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1973 Plymouth models?

    Yes. We stock Differentials for 10 other popular 1973 Plymouth models. Some of the most popular are 1973 Gran Fury Differentials, 1973 Barracuda Differentials, 1973 Cricket Differentials, 1973 Fury Differentials, and 1973 Duster Differentials.

    What are the top-rated Differentials that fit the 1973 Plymouth Valiant?

    Based on 392 reviews by customers, our 1973 Plymouth Valiant Differentials have an average customer rating of 4 stars. These are the highest-rated categories of Differentials for the 1973 Plymouth Valiant and their top-rated products:

    What types of Differentials do you sell for my 1973 Plymouth Valiant?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1973 Plymouth Valiant:

    Can I get help with 1973 Plymouth Valiant Differential orders?

    Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Plymouth Differentials and more.

    What is your return policy for Plymouth Valiant Differentials?

    Advance Auto Parts keeps returns simple. For new Plymouth Valiant Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.