1966 Jeep Jeepster Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Jeep Jeepster in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1966 Jeep Jeepster looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Bearings, Differential Pinion Seals, 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, Felpro, and Driveworks. For example, National Differentials start at just $9.99 with an average 4.3 star rating. Felpro and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 228 reviews and a solid 3.8 star average, you can shop with confidence knowing other Jeep Jeepster owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Jeep Jeepster Differential at Advance Auto Parts is around $101.14, with a range that starts at $4.69 and goes up to $658.99. With 53 options in stock from 11 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, National Taper Bearing Cup, 15245, and National Differential Pinion Seal, 5778 start at just $9.99 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 1966 Jeep Jeepster in peak condition, inside and out.

Essential 1966 Jeep Jeepster Differentials

Driveworks – Driveworks Oil Seal, S-5778 (Part No.S-5778)

Driveworks Oil Seal, S-5778

from

$13.99
Value-priced seal meets all cataloged application requirements.
See More

Powertrax – Powertrax Grip LOK Traction System, LK444430 (Part No.LK444430)

Powertrax Grip LOK Traction System, LK444430

from

$658.99
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

Motive Gear – Motive Gear Differential Carrier Shim Kit, 1115 (Part No.1115)

Motive Gear Differential Carrier Shim Kit, 1115

from

$18.99
Motive Gear Differential Carrier Shim Kit, 1115.
See More

Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
See More

Motive Gear – Motive Gear Differential Gear Install Kit, D44IK (Part No.D44IK)

Motive Gear Differential Gear Install Kit, D44IK

from

$61.99
Motive Gear Differential Gear Install Kit, D44IK.
See More

Driveworks – Driveworks Tapered Roller Bearing, S-2820 (Part No.S-2820)

Driveworks Tapered Roller Bearing, S-2820

from

$18.49
Driveworks Tapered Roller Bearing, S-2820.
See More

National – National Shaft Repair Sleeve, 99155 (Part No.99155)

National Shaft Repair Sleeve, 99155

from

$39.49
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.
See More

Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629 (Part No.RDS 6629)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629

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.
See More

Yukon Gear – Yukon Gear Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles, 55010 (Part No.55010)

Yukon Gear Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles, 55010

from

$15.99
Yukon 1541H alloy replacement rear axle for Dana 80, 37 spline (34.0-36.5) Full float axle (8X3.96). 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. This is a full-floating axle.
See More

Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
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.
See More

Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14809-00 (Part No.71-14809-00)

Victor Reinz Differential Cover Gasket, 71-14809-00

from

$4.69
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.
See More

Powertrax – Powertrax Differential Lock Assembly, 2115-LR (Part No.2115-LR)

Powertrax Differential Lock Assembly, 2115-LR

from

$425.99
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.
See More

LuK – LuK Repair Kit, Differential, GDK334 (Part No.GDK334)

LuK Repair Kit, Differential, GDK334

from

$251.99
Each LuK Differential Bearing Kit contains all the OE quality bearings needed for a professional transmission repair. Differential bearing kits are the perfect repair solution for a broken transmission. We carefully select OE quality components for each individual transmission for a professional repair.
See More

National – National Tapered Roller Bearing Cone, M86647 (Part No.M86647)

National Tapered Roller Bearing Cone, M86647

from

$27.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

Felpro – Felpro Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket, RDS 55019 (Part No.RDS 55019)

Felpro Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket, RDS 55019

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.
See More

Motive Gear – Motive Gear Differential Ring and Pinion, D44-538 (Part No.D44-538)

Motive Gear Differential Ring and Pinion, D44-538

from

$227.99
Motive Gear Differential Ring and Pinion, D44-538.
See More

National – National Taper Bearing Cup, 31520 (Part No.31520)

National Taper Bearing Cup, 31520

from

$13.79
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More

Motive Gear – Motive Gear Differential Crush Sleeve, 1114 (Part No.1114)

Motive Gear Differential Crush Sleeve, 1114

from

$6.99
Motive Gear Differential Crush Sleeve, 1114.
See More

Yukon Gear – Yukon Gear Dura Grip Spider Gear Set for Dana 44 Differential with 30 Spline Axles, 16168 (Part No.16168)

Yukon Gear Dura Grip Spider Gear Set for Dana 44 Differential with 30 Spline Axles, 16168

from

$399.99
Yukon Gear & Axle spider gear kits utilize the highest quality materials and best production techniques in the industry to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement.
See More

USA Standard Gear – USA Standard Gear Differential Spider Gear Kits, 39006 (Part No.39006)

USA Standard Gear Differential Spider Gear Kits, 39006

from

$203.99
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 Limited warranty against defects on their ring & pinion sets.
See More

Motive Gear – Motive Gear Differential Ring and Pinion, D44-392 (Part No.D44-392)

Motive Gear Differential Ring and Pinion, D44-392

from

$229.99
Motive Gear Differential Ring and Pinion, D44-392.
See More

Motive Gear – Motive Gear Differential Ring and Pinion, D44-373 (Part No.D44-373)

Motive Gear Differential Ring and Pinion, D44-373

from

$193.99
Motive Gear Differential Ring and Pinion, D44-373.
See More

Powertrax – Powertrax Differential Lock Assembly, 2413-LR (Part No.2413-LR)

Powertrax Differential Lock Assembly, 2413-LR

from

$442.99
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.
See More

Motive Gear – Motive Gear Differential Pinion Shim Kit, 1104 (Part No.1104)

Motive Gear Differential Pinion Shim Kit, 1104

from

$12.99
Motive Gear Differential Pinion Shim Kit, 1104.
See More

Richmond Gear – Richmond Gear Differential Pinion Shaft, CSPD44 (Part No.CSPD44)

Richmond Gear Differential Pinion Shaft, CSPD44

from

$26.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND.
See More

Most Popular Differential Bearings for 1966 Jeep Jeepsters

Enhance your 1966 Jeep Jeepster with one of the 6 Differential Bearings we have in stock, starting at just $7.99.

National – National Tapered Roller Bearing Cone, 24780 (Part No.24780)

National Tapered Roller Bearing Cone, 24780

from

$35.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
See More

National – National Taper Bearing Cup, 15245 (Part No.15245)

National Taper Bearing Cup, 15245

from

$9.99
Manufactured with premium-grade steel, National® taper bearing cups feature crowned raceways to ensure even load distribution.
See More

National – National Bearing Race, 24721 (Part No.24721)

National Bearing Race, 24721

from

$21.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More

Schaeffler – Schaeffler Bearing – TRB (Tapered Roller Bearing), KT45 (Part No.KT45)

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

from

$21.99
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.
See More

National – National Bearing Race, 25523 (Part No.25523)

National Bearing Race, 25523

from

$20.29
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
See More

Schaeffler – Schaeffler Cup, 15245 (Part No.15245)

Schaeffler Cup, 15245

from

$7.99
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.
See More

Best-Selling 1966 Jeep Jeepster Differential Pinion Seals

Upgrade your Jeepster with one of our 3 best-selling Differential Pinion Seals, earning an average 4.5 stars rating across 7 reviews.

National – National Differential Pinion Seal, 5778 (Part No.5778)

National Differential Pinion Seal, 5778

from

$23.79
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.
See More

Driveworks – Driveworks Oil Seal, S-5778 (Part No.S-5778)

Driveworks Oil Seal, S-5778

from

$13.99
Value-priced seal meets all cataloged application requirements.
See More

Schaeffler – Schaeffler Shaft Seal, SS2633 (Part No.SS2633)

Schaeffler Shaft Seal, SS2633

from

$18.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.
See More

Top-Quality Differential Oil for 1966 Jeep Jeepsters

Choose a high-quality OEM or aftermarket Differential Oil for Jeep Jeepsters and enjoy top-notch performance from $35.99.

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

Yukon Gear 3 Qt - Penzoil 80W90 Conventional Gear Oil, 15002

from

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

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

"Yukon Gear Redline Synthetic ""Shock Proof"" Oil - 4 Quarts, 15004"

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.
See More

Valvoline – Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891 (Part No.904891)

Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891

from

$35.99
Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the #1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it€™s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it€™s designed to help prevent leaks, reduce wear and tear, and maximize performance €“ all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. It€™s specifically recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC. For the many miles ahead, trust your transmission with Valvoline, the #1 automatic transmission fluid brand.
See More

Our Top Pick for a 1966 Jeep Jeepster Rear Housing Cover Gasket

Invest in a durable Rear Housing Cover Gasket for your 1966 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

Felpro – Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629 (Part No.RDS 6629)

Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629

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.
See More

Our Rear Differential Cover Gaskets for 1966 Jeep Jeepsters

Make a smart move for your 1966 Jeep Jeepster with our Rear Differential Cover Gasket for $4.69.

Victor Reinz – Victor Reinz Differential Cover Gasket, 71-14809-00 (Part No.71-14809-00)

Victor Reinz Differential Cover Gasket, 71-14809-00

from

$4.69
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.
See More

Top-Rated Differential Brands For Your 1966 Jeep Jeepster

When it comes to finding the perfect Differential for your 1966 Jeep Jeepster, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 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 Jeep Jeepster, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1966 Jeep Jeepster Differentials

If you’re looking for a top-quality Differential for your 1966 Jeep Jeepster, 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 Jeep Jeepster come highly rated, with over 19 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.
Felpro Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket, RDS 55019
from $8.29
(9)
Felpro Axle Housing Cover Gasket: Irregular Shaped 10 Bolt Hole Gasket, RDS 55019
“Felpro gaskets are #1 in my book. Awesome products from Felpro, I highly recommend!”

Top-Quality National 1966 Jeep Jeepster Differentials

For those in search of a high-quality Differential for their 1966 Jeep Jeepster, 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 $9.99, with an average price of $23.09, giving you a range of options to suit your budget. Backed by over 13 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.
National Taper Bearing Cup, 15245
from $9.99
(8)
National Taper Bearing Cup, 15245
“It fits in Ford. I drove only few hundred miles can’t say much about it.”
National Tapered Roller Bearing Cone, 24780
from $35.49
(1)
National Tapered Roller Bearing Cone, 24780
“Used in A Bush Hog rotory cutter. Has to be tough.”
National Differential Pinion Seal, 5778
from $23.79
(4)
National Differential Pinion Seal, 5778
“Works well fit right in. Love national seals”

FAQs for 1966 Jeep Jeepster Differentials

What are the best-selling Differentials for 1966 Jeep Jeepsters?

Out of 53 Differentials that fit 1966 Jeep Jeepsters, the following parts are the top sellers:

What’s the price range for 1966 Jeep Jeepster Differentials?

The prices of Differentials for the 1966 Jeep Jeepster range from $4.69 up to $658.99 for the most premium parts.

What is the average price of a Differential for a 1966 Jeep Jeepster?

The average price for Differentials for the 1966 Jeep Jeepster is $101.14. 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 Jeep Jeepster model years?

Yes, we carry Differentials for 4 model years of Jeep Jeepsters between 1967 and 1971. The following model years are the most popular for Differential purchases: 1971, 1970, 1969, 1968, and 1967.

What are the cheapest Differentials for my 1966 Jeep Jeepster?

The cheapest 1966 Jeep Jeepster Differentials we carry are:

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

Yes. We stock Differentials for 26 other popular 1966 Jeep models. Some of the most popular are 1966 Wagoneer Differentials, 1966 CJ5 Differentials, 1966 DJ5 Differentials, 1966 J-2600 Differentials, and 1966 J-2500 Differentials.

What types of Differentials do you sell for my 1966 Jeep Jeepster?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1966 Jeep Jeepster:

Can I get help with 1966 Jeep Jeepster Differential orders?

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

What is your return policy for Jeep Jeepster Differentials?

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