1970 Dodge Polara Differentials

Keep Your 1970 Dodge Polara in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1970 Dodge Polara looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Differential Bearings, and Differential Covers. 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 1,593 reviews and a solid 4 star average, you can shop with confidence knowing other Dodge Polara owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1970 Dodge Polara Differential at Advance Auto Parts is around $210.35, with a range that starts at $2.29 and goes up to $1,015.00. With 227 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Tapered Cone/Cup Wheel Bearing Set, Ring Gear Bolt, and Bearing Race start at just $2.99 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 1970 Dodge Polara in peak condition, inside and out.

Essential 1970 Dodge Polara Differentials

USA Standard Gear – Power Lok Positraction for Chrysler 8.75" (Part No.59027)

Power Lok Positraction for Chrysler 8.75"

from

$1015.00
USA Standard Gear Power Lok posi for Chrysler 8.75″, smooth design

Product Features:
  • Gear Power Lok Posi LSD
  • Fits Chrysler 8.75″
  • Smooth design
  • Positraction
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Yukon Gear – 9.25" Chrysler Rear Cover Gasket (Part No.23002)

9.25" Chrysler Rear Cover Gasket

from

$12.99
9.25″ Chrysler rear cover gasket.

Product Features:
  • Cover gasket
  • Fits Chrysler 9.25″ rear
See More

Yukon Gear – Pinion Install Kit For ’70-’75 Chrysler 8.25" Differential (Part No.13003)

Pinion Install Kit For '70-'75 Chrysler 8.25" Differential

from

$175.99
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, pinion nut, 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 1975 and down 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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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

    Yukon Gear – 1541H Alloy Rear Axle For Chrysler 8.75" (Part No.21042)

    1541H Alloy Rear Axle For Chrysler 8.75"

    from

    $252.99
    Yukon 1541H alloy rear axle for Chrysler 8.75″ measuring 30″ with 30 splines and 5×4.5 bolt pattern. for use with C & E-Body only. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. Must use Green bearing.

    Product Features:
    • Fits Chrysler 8.75″
    • 30 spline
    • 30″ long
    • 5 x 4.5″ bolt pattern
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    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

    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

    $26.99
    Product Features:
    • Pinion nut
    • Fits Chrysler 7.25″, 8.0″, 8.25″, 9.25″ and 8.75″ with 29 spline pinion
    See More

    Yukon Gear – Bearing Race Driver (Part No.56022)

    Bearing Race Driver

    from

    $188.99
    Bearing race driver. No return.

    Product Features:
    • Bearing race driver
    • Fits M86610 race
    • All steel construction
    See More

    National – Tapered Roller Bearing Cone (Part No.HM89443)

    Tapered Roller Bearing Cone

    from

    $38.99
    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

    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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    Yukon Gear – Side Gear And Thrust Washer Kit For 8.25" Chrysler, 27 Spline Only (Part No.33277)

    Side Gear And Thrust Washer Kit For 8.25" Chrysler, 27 Spline Only

    from

    $218.99
    Side gear thrust washer kit for 8.25″ Chrysler, 27 spline only.

    Product Features:
    • Side gear thrust washer kit
    • Fits Chrysler 8.25″ with 27 spline axles
    See More

    Yukon Gear – Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck (Part No.55064)

    Pinion Depth Shim Kit For Toyota8", GM 7.5", 8.2" & 12 Bolt Truck

    from

    $39.99
    8″ Toyota, 7.5″ GM, 8.2″ GM, 12T, pinion shim set, & Mazda truck.

    Product Features:
    • Pinion depth shim kit for Toyota 7.5″, 8″ and V6
    See More

    Motive Gear – Differential Super Bearing Kit – Timken (Part No.R9.25RSKT)

    Differential Super Bearing Kit - Timken

    from

    $176.99


    Product Features:
    • SUPER KIT-CHRY 9.25(NON-HD)*TIMKIN*
    See More

    Motive Gear – Performance Differential Ring and Pinion (Part No.C887373M)

    Performance Differential Ring and Pinion

    from

    $257.99


    Product Features:
    • CHRY 10BLT 8.75 EARLY R/P 3.73 MGP 29SP USE MG7260-C875/MG1350-C87529
    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

    Yukon Gear – 8.25" Chrysler, Model 35, D36 Ica, & Dana 28 Tracloc Clutch Set (Part No.16147)

    8.25" Chrysler, Model 35, D36 Ica, & Dana 28 Tracloc Clutch Set

    from

    $171.99
    8.25″ Chrysler, Model 35, D36 ICA, & Dana 28 TracLoc clutch set.

    Product Features:
    • Clutch kit
    • Fits Chrysler 8.25″ Trac Loc positraction
    See More

    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

    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!
    See More

    Yukon Gear – Cross Pin Bolt (Part No.33067)

    Cross Pin Bolt

    from

    $6.99
    Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

    Product Features:
    • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
    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

    $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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    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

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Yukon Gear – Extra HD Yoke For Chrysler 8.75" With 10 Spline Pinion And A 1350 U/Joint Size (Part No.41014)

    Extra HD Yoke For Chrysler 8.75" With 10 Spline Pinion And A 1350 U/Joint Size

    from

    $217.99
    Yukon extra HD yoke for Chrysler 8.75″ with 10 spline pinion and a 1350 U/joint size. 3.625″ snap ring span, 1.188″ cap diameter. Outside snap ring. This yoke uses straps. All Yukon yokes come with a one year warranty against manufacturing defects.

    Product Features:
    • Fits Chrysler 8.75″
    • 10 spline
    • 1350 u-joint size
    • Outside snap ring design
    • 3.625″ snap ring span
    • 1.188″ cap diameter
    • Strap style
    See More

    USA Standard Gear – Master Overhaul Kit For Chrysler 8.75" #41 Housing With LM104912/49 Carrier Bearings (Part No.37089)

    Master Overhaul Kit For Chrysler 8.75" #41 Housing With LM104912/49 Carrier Bearings

    from

    $339.99
    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 Chrysler 8.75″ ’41’ case housing with LM104912 carrier races
    • 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 – 8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron (Part No.59001)

    8.75" Chrysler 89 Drop Out Case, Up To 500 Hp, Nodular Iron

    from

    $474.99
    Product Features:
    • Dropout housing
    • Fits Chrylser 8.75″
    • ’89’ case design
    • Nodular iron for added strength
    See More

    Motive Gear – Pinion Seal (Part No.7216)

    Pinion Seal

    from

    $30.99
    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.
    See More

    Yukon Gear – Cross Pin Shaft For 8.25" Chrysler (Part No.33308)

    Cross Pin Shaft For 8.25" Chrysler

    from

    $57.99
    Cross pin shaft for 8.25″ Chrysler.

    Product Features:
    • Cross pin shaft for Chrysler 8.25″
    • Fits standard open differentials only
    See More

    Pro-King – Crush Sleeve (Part No.723A034)

    Crush Sleeve

    from

    $2.49
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
    See More

    Most Popular Rear Differential Cover Gaskets for 1970 Dodge Polaras

    Enhance your 1970 Dodge Polara with one of the 3 Rear Differential Cover Gaskets we have in stock, starting at just $8.29.

    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

    Yukon Gear – 8.75" Chrysler Gasket (Part No.23001)

    8.75" Chrysler Gasket

    from

    $12.99
    8.75″ Chrysler gasket.

    Product Features:
    • Dropout gasket
    • Fits Chrysler 8.75″
    See More

    Yukon Gear – 8.25" Chrysler Cover Gasket (Part No.23000)

    8.25" Chrysler Cover Gasket

    from

    $12.99
    8.25″ Chrysler cover gasket.

    Product Features:
    • Cover gasket
    • Fits Chrysler 8.25″
    See More

    Best-Selling 1970 Dodge Polara Differential Bearings

    Upgrade your Polara with one of our 12 best-selling Differential Bearings, earning an average 4.5 stars rating across 25 reviews.

    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.LM67010)

    Bearing Race

    from

    $4.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    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.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

    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

    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

    Yukon Gear – Cross Pin Bolt (Part No.33067)

    Cross Pin Bolt

    from

    $6.99
    Cross pin bolt for Chrysler 8.25″, 9.25″ rear, Ford 7.5″, 8.8″, GM 12 bolt car & truck, 7.2″ IFs, 7.5″, 7.6″, 8.0″, 8.25″ IFS & 8.5″.

    Product Features:
    • Cross pin bolt for Chrysler 8.25″ and 9.25″ rear, Ford 7.5″ and 8.8″, GM 12 botl car and truck, 8.5″, 8.25″ IFS, 8.0″, 7.625″, 7.5″ and 7.2″ IFS
    See More

    FAG US – Cup (Part No.LM67010)

    Cup

    from

    $6.69
    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

    Top-Quality Differential Covers for 1970 Dodge Polaras

    Choose a high-quality OEM or aftermarket Differential Cover for Dodge Polaras and enjoy top-notch performance from $159.99.

    Yukon Gear – Steel Cover For Chrysler 8.25" (Part No.32312)

    Steel Cover For Chrysler 8.25"

    from

    $159.99
    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:
    • Fits Chrysler 8.25″
    • Steel
    See More

    Top Picks for 1970 Dodge Polara Differential Oil

    Invest in one of our 3 durable Differential Oil for your 1970 Dodge, knowing you’re getting trusted brands and expert craftsmanship.

    Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

    from

    $148.99
    Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Our Rear Housing Cover Gaskets for 1970 Dodge Polaras

    Make a smart move for your 1970 Dodge Polara with our Rear Housing Cover Gasket for $8.29.

    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-Rated Differential Brands For Your 1970 Dodge Polara

    When it comes to finding the perfect Differential for your 1970 Dodge Polara, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 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 1970 Dodge Polara, providing peace of mind with parts that meet or exceed OEM standards.

    Popular FELPRO 1970 Dodge Polara Differentials

    If you’re looking for a top-quality Differential for your 1970 Dodge Polara, 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 1970 Dodge Polara 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.
    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 ”
    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”

    Top-Quality National 1970 Dodge Polara Differentials

    For those in search of a high-quality Differential for their 1970 Dodge Polara, 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.
    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”
    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.”

    FAQs for 1970 Dodge Polara Differentials

    What are the best-selling Differentials for 1970 Dodge Polaras?

    Out of 227 Differentials that fit 1970 Dodge Polaras, the following parts are the top sellers:

    What’s the price range for 1970 Dodge Polara Differentials?

    The prices of Differentials for the 1970 Dodge Polara range from $2.29 up to $1,015.00 for the most premium parts.

    What is the average price of a Differential for a 1970 Dodge Polara?

    The average price for Differentials for the 1970 Dodge Polara is $210.35. 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 Dodge Polara model years?

    Yes, we carry Differentials for 12 model years of Dodge Polaras between 1960 and 1973. The following model years are the most popular for Differential purchases: 1973, 1972, 1971, 1969, 1968, 1967, 1966, 1965, and 1964.

    What are the cheapest Differentials for my 1970 Dodge Polara?

    The cheapest 1970 Dodge Polara Differentials we carry are:

    Does Advance Auto Parts sell Differentials for any other 1970 Dodge models?

    Yes. We stock Differentials for 16 other popular 1970 Dodge models. Some of the most popular are 1970 Charger Differentials, 1970 Challenger Differentials, 1970 Dart Differentials, 1970 Monaco Differentials, and 1970 Coronet Differentials.

    What are the top-rated Differentials that fit the 1970 Dodge Polara?

    The one 1970 Dodge Polara Differential we have in stock is the Differential Crush Sleeve. It costs $2.29.

    What types of Differentials do you sell for my 1970 Dodge Polara?

    As of 11/2/25, these are some of the most in-demand types of Differentials for a 1970 Dodge Polara:

    Can I get help with 1970 Dodge Polara Differential orders?

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

    What is your return policy for Dodge Polara Differentials?

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