1989 Mazda RX-7 Differentials

Keep Your 1989 Mazda RX-7 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1989 Mazda RX-7 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil, Differential Bearings, and Front Differential Pinion 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 and Mobil Oil. For example, National Differentials start at just $22.79 with an average 4.3 star rating. Mobil Oil offer similar pricing and quality, backed by strong customer feedback. With over 900 reviews and a solid 5 star average, you can shop with confidence knowing other Mazda RX-7 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1989 Mazda RX-7 Differential at Advance Auto Parts is around $25.30, with a range that starts at $7.29 and goes up to $52.99. With 11 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose Bearing, Multi-Purpose Bearing, and Differential Pinion Seal start at just $11.79 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1989 Mazda RX-7 in peak condition, inside and out.

Essential 1989 Mazda RX-7 Differentials

National – Differential Pinion Seal (Part No.710981)

Differential Pinion Seal

from

$11.79
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.

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 – Multi-Purpose Bearing (Part No.32008)

Multi-Purpose Bearing

from

$36.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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 – Multi-Purpose Bearing (Part No.30306)

Multi-Purpose Bearing

from

$51.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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 – Multi-Purpose Bearing (Part No.32308-C)

Multi-Purpose Bearing

from

$61.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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.JL69310)

Bearing Race

from

$7.29
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

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT11)

Bearing - TRB (Tapered Roller Bearing)

from

$21.79
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

National – Multi-Purpose Bearing (Part No.32207)

Multi-Purpose Bearing

from

$43.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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 – Camshaft Seal (Part No.S-99139)

Camshaft Seal

from

$23.99
Product Features:
  • Brand may vary by location
See More

National – Multi-Purpose Seal (Part No.710218)

Multi-Purpose Seal

from

$22.79
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.

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

FAG US – Shaft Seal (Part No.SS2475)

Shaft Seal

from

$11.49
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.

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

Idemitsu – Type HP Automatic Transmission Fluid , 1 Quart (Part No.10107-042F)

Type HP Automatic Transmission Fluid , 1 Quart

from

$10.29
Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
See More

Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 104361
See More

FAG US – General Seal (Part No.SS2476)

General Seal

from

$52.99
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.

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

Most Popular Differential Oil for 1989 Mazda RX-7s

Enhance your 1989 Mazda RX-7 with one of the 2 Differential Oil we have in stock, starting at just $10.29.

Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 104361
See More

Idemitsu – Type HP Automatic Transmission Fluid , 1 Quart (Part No.10107-042F)

Type HP Automatic Transmission Fluid , 1 Quart

from

$10.29
Formulated to meet the specific requirements of Subaru vehicles equipped with conventional (non-CVT) transmissions up to model year 2005. Recommended for service-fill in all Subaru automatic transmissions where SUBARU ATF HP is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. Idemitsu is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. Idemitsu application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Provides superior cleanliness, maintaining the transmission free of sludge and varnish deposits
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
  • Advanced anti-wear technology provides maximum protection to gears and bearings
See More

Best-Selling 1989 Mazda RX-7 Differential Bearings

Upgrade your RX-7 with one of our 2 best-selling Differential Bearings.

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT11)

Bearing - TRB (Tapered Roller Bearing)

from

$21.79
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

National – Bearing Race (Part No.JL69310)

Bearing Race

from

$7.29
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

Top-Quality Front Differential Pinion Bearings for 1989 Mazda RX-7s

Choose a high-quality OEM or aftermarket Front Differential Pinion Bearing for Mazda RX-7s and enjoy top-notch performance from $36.99.

National – Multi-Purpose Bearing (Part No.32008)

Multi-Purpose Bearing

from

$36.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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 – Multi-Purpose Bearing (Part No.30306)

Multi-Purpose Bearing

from

$51.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • 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 Picks for 1989 Mazda RX-7 Differential Seals

Invest in one of our 3 durable Differential Seals for your 1989 Mazda, knowing you’re getting trusted brands and expert craftsmanship.

National – Multi-Purpose Seal (Part No.710218)

Multi-Purpose Seal

from

$22.79
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.

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

Driveworks – Camshaft Seal (Part No.S-99139)

Camshaft Seal

from

$23.99
Product Features:
  • Brand may vary by location
See More

FAG US – Shaft Seal (Part No.SS2475)

Shaft Seal

from

$11.49
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.

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

Our Differential Pinion Seals for 1989 Mazda RX-7s

Make a smart move for your 1989 Mazda RX-7 with our Differential Pinion Seal for $11.79.

National – Differential Pinion Seal (Part No.710981)

Differential Pinion Seal

from

$11.79
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.

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 Brands For Your 1989 Mazda RX-7

When it comes to finding the perfect Differential for your 1989 Mazda RX-7, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Differential brands including Mobil Oil and National, and more, all known for their exceptional customer ratings (average brand rating of 4.9 stars) and competitive prices, as low as $19.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1989 Mazda RX-7, providing peace of mind with parts that meet or exceed OEM standards.

Popular Mobil Oil 1989 Mazda RX-7 Differentials

If you’re looking for a top-quality Differential for your 1989 Mazda RX-7, Advance Auto Parts has exactly what you need with our selection of Mobil Oil Differentials. We have 1 Mobil Oil Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $19.99, you’ll find the perfect Differential for your needs and budget. Mobil Oil Differentials for the 1989 Mazda RX-7 come highly rated, with over 448 customer reviews and an impressive average rating of 4.9 stars. Choosing a Mobil Oil Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality National 1989 Mazda RX-7 Differentials

For those in search of a high-quality Differential for their 1989 Mazda RX-7, Advance Auto Parts offers a great selection of National Differentials. With 1 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 $22.79, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Multi-Purpose Seal
from $22.79
(2)
Multi-Purpose Seal
“Fits perfect on a 99 Miata with 4.3 torsen. Easy install, just tap until flush, metal ring acts as a stopper and eliminates any guesswork. National ma”

FAQs for 1989 Mazda RX-7 Differentials

What are the best-selling Differentials for 1989 Mazda RX-7s?

Out of 11 Differentials that fit 1989 Mazda RX-7s, the following parts are the top sellers:

What’s the price range for 1989 Mazda RX-7 Differentials?

The prices of Differentials for the 1989 Mazda RX-7 range from $7.29 up to $52.99 for the most premium parts.

What is the average price of a Differential for a 1989 Mazda RX-7?

The average price for Differentials for the 1989 Mazda RX-7 is $25.30. 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 Mazda RX-7 model years?

Yes, we carry Differentials for 14 model years of Mazda RX-7s between 1979 and 1995. The following model years are the most popular for Differential purchases: 1995, 1994, 1993, 1991, 1990, 1988, 1987, 1986, and 1985.

What are the cheapest Differentials for my 1989 Mazda RX-7?

The cheapest 1989 Mazda RX-7 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1989 Mazda models?

Yes. We stock Differentials for 6 other popular 1989 Mazda models. Some of the most popular are 1989 626 Differentials, 1989 MPV Differentials, 1989 B2600 Differentials, 1989 929 Differentials, and 1989 MX-6 Differentials.

What are the top-rated Differentials that fit the 1989 Mazda RX-7?

The one 1989 Mazda RX-7 Differential we have in stock is the Bearing Race. It costs $7.29.

What types of Differentials do you sell for my 1989 Mazda RX-7?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1989 Mazda RX-7:

Can I get help with 1989 Mazda RX-7 Differential orders?

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

What is your return policy for Mazda RX-7 Differentials?

Advance Auto Parts keeps returns simple. For new Mazda RX-7 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.