1966 Chrysler 300 Differentials

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Keep Your 1966 Chrysler 300 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Chrysler 300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Differential Cover Gaskets, Front Differential Pinion Bearings, and Differential Oil. 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 and Motive Gear. For example, National Differentials start at just $16.99 with an average 4.3 star rating. Motive Gear offer similar pricing and quality, backed by strong customer feedback. With over 180 reviews and a solid 4 star average, you can shop with confidence knowing other Chrysler 300 owners approve.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Spindles and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1966 Chrysler 300 in peak condition, inside and out.

Essential 1966 Chrysler 300 Differentials

Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.99


Product Features:
  • KIT SHIM PINION
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Motive Gear – Differential Bearing Kit – Koyo (Part No.R8.75RM)

Differential Bearing Kit - Koyo

from

$86.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • BEARING KIT CHRYS 8 3/4 741 CASTING
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Schaeffler – Cup (Part No.M88010)

Cup

from

$10.99
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
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Powertrax – Differential Lock Assembly (Part No.1240-LR)

Differential Lock Assembly

from

$456.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax 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.
  • Power Trax ia an Extreme Traction System
See More

National – Bearing Race (Part No.HM803110)

Bearing Race

from

$19.99
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.HM88649)

Tapered Roller Bearing Cone

from

$19.99
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

National – Tapered Roller Bearing Cone (Part No.NP922169)

Tapered Roller Bearing Cone

from

$128.99
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

National – Pinion Seal (Part No.711055)

Pinion Seal

from

$26.99
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

National – Differential Pinion Seal (Part No.710998)

Differential Pinion Seal

from

$29.49
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: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
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
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Motive Gear – Differential Gear Install Kit (Part No.C7.25IK)

Differential Gear Install Kit

from

$31.99
Product Features:
  • MINI-INSTLTN KIT-CHRYSLER 7 1/4″
See More

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

Differential Internal Carrier Gear Kit

from

$108.99


Product Features:
  • CHRYSLER 7.25″ INTERNAL KIT
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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

Yukon Gear – C198 Ring Gear Bolt (Part No.33069)

C198 Ring Gear Bolt

from

$12.99
C198 ring gear bolt.

Product Features:
  • Ring gear bolt
  • Fits Chrysler C198
See More

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

RngPnn

from

$342.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.C887391L)

Performance Differential Ring and Pinion

from

$264.99


Product Features:
  • CHRY 9BLT 8.75 LATE R/P 3.91 MGP 29SP USE MG7260-C875/MG1350-C87529
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Motive Gear – Differential Crush Sleeve (Part No.3507575)

Differential Crush Sleeve

from

$2.79


Product Features:
  • CRUSH SLEEVE 7.25 & 8.25 MIN ORDER 5000
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Motive Gear – Differential Crush Sleeve (Part No.3102)

Differential Crush Sleeve

from

$13.99


Product Features:
  • CRUSH SLEEVE CHRYS 8 3/4
See More

Mr. Gasket – Differential Gasket (Part No.81)

Differential Gasket

from

$22.79
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit.

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
See More

Valvoline – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)

Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart

from

$14.99
Valvoline Import Multi-Vehicle Automatic Transmission Fluid is specifically formulated for use in most Toyota, Nissan, Honda and other imported vehicles. It is formulated with all synthetic base stocks and a proprietary additive system to ensure optimal transmission performance in a wide variety of vehicles. Valvoline Import Multi-Vehicle ATF can also be used in many domestic vehicles. It meets requirements of General Motors and Ford vehicles. Recommended for use in the following applications: Ford MERCON, GM DEXRON-II and DEXRON-III, BMW LT 71141 and ETL-7045E, Nissan/Infiniti Nissan ATF, Matic-D, Matic-K and Matic-J, Mitsubishi Diamond SP-II and SP-III, Subaru ATF-HP, Hyundai/ KIA SP-II and SP-III, Toyota/Lexus Type T, T-III and T-IV, Honda/Acura ATF-Z1 (except in CVTs), Mercedes Benz NAG1, Volvo passenger car (except AW-1), and Volkswagen/Audi TL52162. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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 Heavy Shockproof Gear Oil is formulated to provide lasting protection.

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

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
See More

Powertrax – Differential Lock Assembly (Part No.9203923125)

Differential Lock Assembly

from

$579.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax 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.
  • Power Trax ia an Extreme Traction System
See More

Powertrax – Differential Lock Assembly (Part No.9203923105)

Differential Lock Assembly

from

$557.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax 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.
  • Power Trax ia an Extreme Traction System
See More

Powertrax – Differential Lock Assembly (Part No.9203822705)

Differential Lock Assembly

from

$527.99
For vehicles that are driven daily, the Power Trax 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 Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.

Product Features:
  • The Power Trax Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Power Trax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Power Trax lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Power Trax 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.
  • Power Trax ia an Extreme Traction System
See More

Yukon Gear – Pinion Nut for Chrysler 300, Charger, Magnum (Part No.33170)

Pinion Nut for Chrysler 300, Charger, Magnum

from

$53.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Pinion nut
  • Fits Chrysler C198 and C210
See More

Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

from

$9.29
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

Most Popular Rear Differential Cover Gasket for 1966 Chrysler 300s

Enhance your 1966 Chrysler 300 with this popular Rear Differential Cover Gasket we have in stock, for $22.79.

Mr. Gasket – Differential Gasket (Part No.81)

Differential Gasket

from

$22.79
Mr. Gasket Axle Housing/Differential Cover or Rear End Gaskets are manufactured from a .047 inch thick cellulose/nitrile composite gasket material for excellent sealing and durability. They are precision die-cut for an excellent fit.

Product Features:
  • .047″ thick cellulose/nitrile composite gasket material
  • Precision die cut
  • Reusable
See More

Best-Selling 1966 Chrysler 300 Front Differential Pinion Bearings

Upgrade your 300 with one of our 3 best-selling Front Differential Pinion Bearings, earning an average 5 stars rating across 2 reviews.

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

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

Driveworks – Tapered Roller Bearing (Part No.S-HM-803110)

Tapered Roller Bearing

from

$13.49
Product Features:
  • Brand may vary by location
See More

Top-Quality Differential Oil for 1966 Chrysler 300s

Choose a high-quality OEM or aftermarket Differential Oil for Chrysler 300s and enjoy top-notch performance from $44.99.

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

3 Qt - 80W90 Conventional Gear Oil with Posi Additive

from

$57.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
See More

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
See More

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 Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

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 Heavy Shockproof Gear Oil is formulated to provide lasting protection.

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 Heavy Shockproof Gear Oil is formulated to provide lasting protection.

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

Our Top Pick for a 1966 Chrysler 300 Differential Pinion Seal

Invest in a durable Differential Pinion Seal for your 1966 Chrysler, knowing you’re getting trusted brands and expert craftsmanship.

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

Top-Rated Differential Bearings for 1966 Chrysler 300s

Make a smart move for your 1966 Chrysler 300 with products all priced from $16.99 to $27.99.

National – Multi-Purpose Bearing (Part No.A-6)

Multi-Purpose Bearing

from

$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
  • 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

National – Tapered Roller Bearing Cone (Part No.25590)

Tapered Roller Bearing Cone

from

$27.99
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

Top-Rated Differential Brands For Your 1966 Chrysler 300

When it comes to finding the perfect Differential for your 1966 Chrysler 300, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Differential brands including National and Motive Gear, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $2.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1966 Chrysler 300, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1966 Chrysler 300 Differentials

If you’re looking for a top-quality Differential for your 1966 Chrysler 300, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 2 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $16.99 and an average cost of $27.99, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1966 Chrysler 300 come highly rated, with over 27 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Multi-Purpose Bearing
from $16.99
(25)
Multi-Purpose Bearing
“Smooth”
Tapered Roller Bearing Cone
from $38.99
(2)
Tapered Roller Bearing Cone
“nice finish and function. Should perform well.”

Top-Quality Motive Gear 1966 Chrysler 300 Differentials

For those in search of a high-quality Differential for their 1966 Chrysler 300, Advance Auto Parts offers a great selection of Motive Gear Differentials. With 2 Motive Gear 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 $2.79, with an average price of $55.89, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.0 stars, Motive Gear Differentials provide both reliability and excellent performance. Choosing a Motive Gear Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Differential Crush Sleeve
from $2.79
(1)
Differential Crush Sleeve
“High quality, would buy again”
Differential Internal Carrier Gear Kit
from $108.99
(1)
Differential Internal Carrier Gear Kit
“easy installation, excellent fit,and seems to be made of good quality materials.”

FAQs for 1966 Chrysler 300 Differentials

What are the best-selling Differentials for 1966 Chrysler 300s?

Out of 45 Differentials that fit 1966 Chrysler 300s, the following parts are the top sellers:

What’s the price range for 1966 Chrysler 300 Differentials?

The prices of Differentials for the 1966 Chrysler 300 range from $2.79 up to $579.99 for the most premium parts.

What is the average price of a Differential for a 1966 Chrysler 300?

The average price for Differentials for the 1966 Chrysler 300 is $145.58. 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 Chrysler 300 model years?

Yes, we carry Differentials for 34 model years of Chrysler 300s between 1955 and 2023. The following model years are the most popular for Differential purchases: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Differentials for my 1966 Chrysler 300?

The cheapest 1966 Chrysler 300 Differentials we carry are:

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

Yes. We stock Differentials for 3 other popular 1966 Chrysler models. Some of the most popular are 1966 Town & Country Differentials, 1966 New Yorker Differentials, 1966 Imperial Differentials, and 1966 Newport Differentials.

What are the top-rated Differentials that fit the 1966 Chrysler 300?

The one 1966 Chrysler 300 Differential we have in stock is the Differential Crush Sleeve. It is rated 5 stars and costs $2.79.

What types of Differentials do you sell for my 1966 Chrysler 300?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1966 Chrysler 300:

Can I get help with 1966 Chrysler 300 Differential orders?

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

What is your return policy for Chrysler 300 Differentials?

Advance Auto Parts keeps returns simple. For new Chrysler 300 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.