1966 Jeep J-100 Differentials

Name: National Taper Bearing Cup, 31520
Brand: National
SKU: 31520
Price: 13.79 USD

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1966 Jeep J-100 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 J-100 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Cover Bolts, 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, Driveworks, and Felpro. For example, National Differentials start at just $9.99 with an average 4.3 star rating. Driveworks and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 81 reviews and a solid 4.2 star average, you can shop with confidence knowing other Jeep J-100 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Jeep J-100 Differential at Advance Auto Parts is around $26.10, with a range that starts at $1.15 and goes up to $151.99. With 23 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002, Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629, and Driveworks Oil Seal, S-5778 start at just $7.99 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 J-100 in peak condition, inside and out.

Looking for the perfect Differential for your 1966 Jeep J-100? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Jeep J-100. Whether you’re driving a 1966 model or another popular model year like 1964, 1965, 1967, 1968, 1969, 1970, 1971, 1972, and 1973, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.

Essential 1966 Jeep J-100 Differentials

from

$13.79

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

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$13.49

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

National Tapered Roller Bearing Cone, 02872

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$24.99

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

National Tapered Roller Bearing Cone, 31594

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$34.49

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

Driveworks Tapered Roller Bearing, S-2820

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$18.49

Driveworks Tapered Roller Bearing, S-2820.

National Tapered Roller Bearing Cone, 25577

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$33.49

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

from

$21.99

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

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

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$44.99

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

"Crown Auto Jeep Replacmnt Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8"" L, Hex Head, Steel, Single, J0649454"

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$2.99

Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

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$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.

Crown Auto Jeep Replacmnt For Use With Model 25 Front/ Model 27 Front/ Model 30 Front, Steel/Rubber, J0998092

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$8.99

Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.

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$39.49

"Needa Parts Standard Engine Oil Drain Plug: 7/8 "" -16 Thread, 1-1/8 "" Head (Sold by each), 090-018"

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$11.49

This engine oil drain plug is designed to match the fit and function of an original equipment plug on specified vehicles. It is engineered to replace a missing or damaged plug and help ensure a secure seal.

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

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$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.

Motive Gear Differential Bearing Kit - Timken, RA28LRT

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$125.99

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

Motive Gear Differential Bearing Kit - Koyo, RA28LR

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$112.99

Motive Gear Differential Master Bearing Kit - Timken, RA28RMKT

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$149.99

Motive Gear Differential Master Bearing Kit - Timken, R30RMKT

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$151.99

Crown Auto Jeep Replacmnt OE Replacement, Single, J4004913

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$3.99

Motive Gear Differential Gear Install Kit, D30IK

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$41.99

Motive Gear Differential Gear Install Kit, D30IK.

Motive Gear Differential Ring and Pinion, D60-513

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$259.99

Motive Gear Differential Ring and Pinion, D60-513.

Motive Gear Differential Ring and Pinion, D44-373

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$193.99

Motive Gear Differential Ring and Pinion, D44-373.

Motive Gear Differential Ring and Pinion, D44-489

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$193.99

Motive Gear Differential Ring and Pinion, D44-489.

Motive Gear Differential Ring and Pinion, D44-488GX

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$235.99

Motive Gear Differential Ring and Pinion, D44-488GX.

Motive Gear Differential Ring and Pinion, D44-589

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$223.99

Motive Gear Differential Ring and Pinion, D44-589.

Motive Gear RP DANA 30 3.54 STANDARD MG, D30-354

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$176.99

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.

Motive Gear Differential Ring and Pinion, D44-392

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$229.99

Motive Gear Differential Ring and Pinion, D44-392.

Motive Gear Differential Ring and Pinion, D44-427

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$188.99

Motive Gear Differential Ring and Pinion, D44-427.

Popular 1966 Jeep J-100 Differentials Categories

Differential Oil

Differential Bearings

Differential Pinion Pilot Bearings

Differential Cover Bolts

Differential Bearing Kits

Front Differential Pinion Bearings

Differential Pinion Seals

Differential Ring and Pinions

Rear Differential Pinion Bearings

Rear Housing Cover Gaskets

Differential Drain Plugs

Differential Lock Washers

Differential Carrier Bearing Races

Most Popular Differential Oil for 1966 Jeep J-100s

Enhance your 1966 Jeep J-100 with this popular Differential Oil we have in stock, for $44.99.

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from

$44.99

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

Best-Selling 1966 Jeep J-100 Differential Cover Bolt

Upgrade your J-100 with our best-selling Differential Cover Bolt.

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$2.99

Top-Quality Differential Bearings for 1966 Jeep J-100s

Choose a high-quality OEM or aftermarket Differential Bearing for Jeep J-100s and enjoy top-notch performance from $9.99.

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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.

from

$9.99

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

from

$21.99

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

Schaeffler Bearing - TRB (Tapered Roller Bearing), KT45

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$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.

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$20.29

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

Our Top Pick for a 1966 Jeep J-100 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.

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$7.99

Top-Rated Differential Pinion Seals for 1966 Jeep J-100s

Make a smart move for your 1966 Jeep J-100 with products all priced from $8.99 to $23.79.

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from

$23.79

from

$13.99

Value-priced seal meets all cataloged application requirements.

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$8.99

Top-Rated Differential Brands For Your 1966 Jeep J-100

When it comes to finding the perfect Differential for your 1966 Jeep J-100, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Differential brands including Felpro, National, and 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 J-100, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1966 Jeep J-100 Differentials

If you’re looking for a top-quality Differential for your 1966 Jeep J-100, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 1 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1966 Jeep J-100 come highly rated, with over 10 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.

from $7.99

(10)

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

“Fit perfect”

Top-Quality National 1966 Jeep J-100 Differentials

For those in search of a high-quality Differential for their 1966 Jeep J-100, 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.

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.”

from $35.49

(1)

National Tapered Roller Bearing Cone, 24780

“Used in A Bush Hog rotory cutter. Has to be tough.”

from $23.79

(4)

National Differential Pinion Seal, 5778

“Works well fit right in. Love national seals”

FAQs for 1966 Jeep J-100 Differentials

What are the best-selling Differentials for 1966 Jeep J-100s?

Out of 23 Differentials that fit 1966 Jeep J-100s, the following parts are the top sellers:

Yukon Gear 3 Qt – Penzoil 80W90 Conventional Gear Oil, 15002 (11644279) – $44.99
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629 (5185793) – $7.99
Driveworks Oil Seal, S-5778 (5440041) – $13.99

What’s the price range for 1966 Jeep J-100 Differentials?

The prices of Differentials for the 1966 Jeep J-100 range from $1.15 up to $151.99 for the most premium parts.

What is the average price of a Differential for a 1966 Jeep J-100?

The average price for Differentials for the 1966 Jeep J-100 is $26.10. 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 J-100 model years?

Yes, we carry Differentials for 9 model years of Jeep J-100s between 1963 and 1973. The following model years are the most popular for Differential purchases: 1973, 1972, 1971, 1970, 1969, 1968, 1967, 1965, and 1964.

What are the cheapest Differentials for my 1966 Jeep J-100?

The cheapest 1966 Jeep J-100 Differentials we carry are:

"Crown Auto Jeep Replacmnt Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8"" L, Hex Head, Steel, Single, J0649454" (50074805) – $2.99
Crown Auto Jeep Replacmnt OE Replacement, Single, J4004913 (50074650) – $3.99
Felpro Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, RDS 6629 (5185793) – $7.99
Crown Auto Jeep Replacmnt For Use With Model 25 Front/ Model 27 Front/ Model 30 Front, Steel/Rubber, J0998092 (50074260) – $8.99
National Taper Bearing Cup, 15245 (3272400) – $9.99

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 are the top-rated Differentials that fit the 1966 Jeep J-100?

The one 1966 Jeep J-100 Differential we have in stock is the "Crown Auto Jeep Replacmnt Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8"" L, Hex Head, Steel, Single, J0649454". It costs $2.99.

What types of Differentials do you sell for my 1966 Jeep J-100?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 1966 Jeep J-100:

Can I get help with 1966 Jeep J-100 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 J-100 Differentials?

Advance Auto Parts keeps returns simple. For new Jeep J-100 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1966 Jeep J-100 Differentials

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

National – National Bearing Race, 02820 (Part No.02820)

National – National Tapered Roller Bearing Cone, 02872 (Part No.02872)

National – National Tapered Roller Bearing Cone, 31594 (Part No.31594)

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

National – National Tapered Roller Bearing Cone, 25577 (Part No.25577)

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

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

Crown Auto Jeep Replacmnt – "Crown Auto Jeep Replacmnt Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8"" L, Hex Head, Steel, Single, J0649454" (Part No.J0649454)

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

Crown Auto Jeep Replacmnt – Crown Auto Jeep Replacmnt For Use With Model 25 Front/ Model 27 Front/ Model 30 Front, Steel/Rubber, J0998092 (Part No.J0998092)

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

Needa Parts – "Needa Parts Standard Engine Oil Drain Plug: 7/8 "" -16 Thread, 1-1/8 "" Head (Sold by each), 090-018" (Part No.090-018)

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

Motive Gear – Motive Gear Differential Bearing Kit – Timken, RA28LRT (Part No.RA28LRT)

Motive Gear – Motive Gear Differential Bearing Kit – Koyo, RA28LR (Part No.RA28LR)

Motive Gear – Motive Gear Differential Master Bearing Kit – Timken, RA28RMKT (Part No.RA28RMKT)

Motive Gear – Motive Gear Differential Master Bearing Kit – Timken, R30RMKT (Part No.R30RMKT)

Crown Auto Jeep Replacmnt – Crown Auto Jeep Replacmnt OE Replacement, Single, J4004913 (Part No.J4004913)

Motive Gear – Motive Gear Differential Gear Install Kit, D30IK (Part No.D30IK)

Motive Gear – Motive Gear Differential Ring and Pinion, D60-513 (Part No.D60-513)

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

Motive Gear – Motive Gear Differential Ring and Pinion, D44-489 (Part No.D44-489)

Motive Gear – Motive Gear Differential Ring and Pinion, D44-488GX (Part No.D44-488GX)

Motive Gear – Motive Gear Differential Ring and Pinion, D44-589 (Part No.D44-589)

Motive Gear – Motive Gear RP DANA 30 3.54 STANDARD MG, D30-354 (Part No.D30-354)

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

Motive Gear – Motive Gear Differential Ring and Pinion, D44-427 (Part No.D44-427)

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

Crown Auto Jeep Replacmnt – "Crown Auto Jeep Replacmnt Dana 30 Axle/ Dana 35 Axle/ Dana 44 Axle, 3/8"" L, Hex Head, Steel, Single, J0649454" (Part No.J0649454)

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

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

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

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

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

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

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

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

Crown Auto Jeep Replacmnt – Crown Auto Jeep Replacmnt For Use With Model 25 Front/ Model 27 Front/ Model 30 Front, Steel/Rubber, J0998092 (Part No.J0998092)