1966 Plymouth Belvedere Differentials

Keep Your 1966 Plymouth Belvedere in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Plymouth Belvedere looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Differential Pinion Seals, 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 DriveWorks. For example, National Differentials start at just $7.99 with an average 4.3 star rating. FELPRO and DriveWorks offer similar pricing and quality, backed by strong customer feedback. With over 525 reviews and a solid 4 star average, you can shop with confidence knowing other Plymouth Belvedere owners approve.

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 1966 Plymouth Belvedere in peak condition, inside and out.

Essential 1966 Plymouth Belvedere Differentials

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

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
See More

Yukon Gear – Master Overhaul Kit For Chrysler 8.75" #42 Housing With LM104912/49 Carrier Bearings (Part No.14007)

Master Overhaul Kit For Chrysler 8.75" #42 Housing With LM104912/49 Carrier Bearings

from

$459.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit 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), Thread locking compound, marking compound with brush, and gasket. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

Product Features:
  • Fits Chrysler 8.75″ ’42’ case housing with LM104912 carrier races
  • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, thread locker, marking compound with brush, and gasket.
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

Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Differential Pinion Shim Kit

from

$7.99
High-quality Differential Component Shim

Product Features:
  • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
See More

Yukon Gear – Pinion Install Kit For Chrysler 8.75" (#42) Differential (Part No.13006)

Pinion Install Kit For Chrysler 8.75" (#42) Differential

from

$359.99
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 Chrysler 8.75″ ’42’ case
  • Included are pinion bearings and races, pinion seal, pinion nut, complete pinion shim kit, and marking compound with brush.
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 – Bearing Race (Part No.HM88510)

Bearing Race

from

$11.79
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

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

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

from

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

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

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

USA Standard Gear – Powr Lok Posi For Chrysler 8.75", Aggressive Design (Part No.59026)

Powr Lok Posi For Chrysler 8.75", Aggressive Design

from

$919.99
Yukon yoke for Ford 8.8″ truck or passenger with a 1330 U/joint size. 3.625″ snap ring span, 1.125″ cap diameter. Outside snap ring. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 8.8″
  • 30 spline
  • 1330 u-joint size
  • 3.625″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • Strap style
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″
See More

Yukon Gear – 1541H Alloy Rear Axle For Chrysler 8.75" (Part No.21408)

1541H Alloy Rear Axle For Chrysler 8.75"

from

$284.99
Yukon 1541H alloy cut to fit rear axle for Chrysler 8.75″ measuring 28″-32″ with 30 splines and 5×4.5 bolt pattern. for use with A, C & E-Body. 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
  • Cut to length design fits 28″-32″ applcations
  • 5 x 4.5″ bolt pattern
See More

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

Side Gear And Thrust Washer For 7.25" Chrysler

from

$69.99
Side gear thrust washer for 7.25″ Chrysler.

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

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

Yukon Gear – Chrysler 8.75" (Coarse Spline) Pinion Nut Washer (Part No.33162)

Chrysler 8.75" (Coarse Spline) Pinion Nut Washer

from

$9.99
Chrysler 8.75″ (coarse spline) pinion nut washer.

Product Features:
  • Pinion nut washer
  • Fits Chrysler 8.75″ with 10 spline pinion
See More

Richmond Gear – RngPnnInstlKt (Part No.83-1034-B)

RngPnnInstlKt

from

$59.99
RngPnnInstlKt

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

8.25" Chrysler Pinion Gear Thrust Washer

from

$26.99
8.25″ Chrysler pinion gear thrust washer.

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

Yukon Gear – Powr Lok Drive Belleville Plate For Dana 44 (Part No.16171)

Powr Lok Drive Belleville Plate For Dana 44

from

$41.99
Product Features:
  • Belleville plate, non-splined
  • Fits Dana Spicer 44 Powr Lok
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.
See More

Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6095-1)

Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket

from

$9.49
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

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
See More

USA Standard Gear – Ring & Pinion Gear Set For Chrysler 8.25" In A 4.56 Ratio (Part No.36012)

Ring & Pinion Gear Set For Chrysler 8.25" In A 4.56 Ratio

from

$349.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Fits Chrysler 8.25″
  • 8.25″ ring gear diameter
  • 27 spline pinion
  • 10 ring gear bolts
  • 4.56 ratio
See More

Yukon Gear – Crush Sleeve (Part No.33093)

Crush Sleeve

from

$10.99
Crush Sleeve for Model 35, Chrysler 7.25″, 8.25″ Ford 8″ & GM 7.75″. Approx 0.495″ long.

Product Features:
  • Crush sleeve for AMC Model 35, Chrysler 7.25″ and 8.25″, Ford 8″ and GM 7.75″
  • 0.495″ tall
See More

Yukon Gear – Steel Spool For Chrysler 8.75" With 30 Spline Axles (Part No.32040)

Steel Spool For Chrysler 8.75" With 30 Spline Axles

from

$264.99
Yukon Performance 2-1/16″ deck steel spool for 8.75″ Chrysler with 30 spline axles. Spool uses 2.050″ journal bearings (LM104949/12). Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Chrysler 8.75″ with 30 spline axles
  • Provides 100% traction to both wheels at all times
  • Not recommended for street driven vehicles
See More

National – Bearing Race (Part No.HM88610)

Bearing Race

from

$15.49
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

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

from

$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
See More

Most Popular Rear Housing Cover Gasket for 1966 Plymouth Belvederes

Enhance your 1966 Plymouth Belvedere with this popular Rear Housing Cover Gasket we have in stock, 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

Best-Selling 1966 Plymouth Belvedere Differential Pinion Seals

Upgrade your Belvedere with one of our 7 best-selling Differential Pinion Seals, earning an average 4.25 stars rating across 21 reviews.

National – Multi-Purpose Seal (Part No.7216)

Multi-Purpose Seal

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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -50 Deg. F to 200 Deg. F / -46 Deg. C to 93 Deg. C
  • Good dry running capabilities
  • Compatible with all oils and greases
  • 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

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″
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

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 – Pinion Seal For Chrysler 8.75" 42 Housing (Part No.30171)

Pinion Seal For Chrysler 8.75" 42 Housing

from

$53.99
Pinion seal for Chrysler 8.75″ 42 housing.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Chrysler 8.75″ with ’42’ case housing
See More

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

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

from

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

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

Top-Quality Differential Bearings for 1966 Plymouth Belvederes

Choose a high-quality OEM or aftermarket Differential Bearing for Plymouth Belvederes and enjoy top-notch performance from $4.49.

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 – 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

National – Bearing Race (Part No.382S)

Bearing Race

from

$17.79
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

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

Cross Pin Bolt For 7.25" Chrysler

from

$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″
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 – 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

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 Picks for 1966 Plymouth Belvedere Rear Differential Cover Gaskets

Invest in one of our 3 durable Rear Differential Cover Gaskets for your 1966 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

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

Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

Differential Cover Gasket

from

$9.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
See More

Differential Oil for 1966 Plymouth Belvederes

Make a smart move for your 1966 Plymouth Belvedere with products all priced from $99.99 to $148.99.

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
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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

Top-Rated Differential Brands For Your 1966 Plymouth Belvedere

When it comes to finding the perfect Differential for your 1966 Plymouth Belvedere, 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 DriveWorks, 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 1966 Plymouth Belvedere, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1966 Plymouth Belvedere Differentials

If you’re looking for a top-quality Differential for your 1966 Plymouth Belvedere, 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 1966 Plymouth Belvedere 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 1966 Plymouth Belvedere Differentials

For those in search of a high-quality Differential for their 1966 Plymouth Belvedere, 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 $20.42, giving you a range of options to suit your budget. Backed by over 7 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 $14.29
(1)
Bearing Race
“As always, these bearings did the job and last forever. Just happy I found them in stock.”
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.”
Tapered Roller Bearing Cone
from $38.99
(2)
Tapered Roller Bearing Cone
“nice finish and function. Should perform well.”

FAQs for 1966 Plymouth Belvedere Differentials

What are the best-selling Differentials for 1966 Plymouth Belvederes?

Out of 172 Differentials that fit 1966 Plymouth Belvederes, the following parts are the top sellers:

What’s the price range for 1966 Plymouth Belvedere Differentials?

The prices of Differentials for the 1966 Plymouth Belvedere range from $4.49 up to $1,015.00 for the most premium parts.

What is the average price of a Differential for a 1966 Plymouth Belvedere?

The average price for Differentials for the 1966 Plymouth Belvedere is $199.21. 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 Belvedere model years?

Yes, we carry Differentials for 17 model years of Plymouth Belvederes between 1953 and 1971. The following model years are the most popular for Differential purchases: 1971, 1970, 1969, 1968, 1967, 1965, 1964, 1963, and 1962.

What are the cheapest Differentials for my 1966 Plymouth Belvedere?

Does Advance Auto Parts sell Differentials for any other 1966 Plymouth models?

Yes. We stock Differentials for 5 other popular 1966 Plymouth models. Some of the most popular are 1966 Barracuda Differentials, 1966 Belvedere II Differentials, 1966 Fury Differentials, 1966 Fury III Differentials, and 1966 Valiant Differentials.

What types of Differentials do you sell for my 1966 Plymouth Belvedere?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1966 Plymouth Belvedere:

Can I get help with 1966 Plymouth Belvedere 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 Belvedere Differentials?

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