2003 Lexus IS300 Differentials

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Keep Your 2003 Lexus IS300 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2003 Lexus IS300 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Carrier Bushings, 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.

Competitive Prices and Extensive Inventory

The average price for a 2003 Lexus IS300 Differential at Advance Auto Parts is around $96.74, with a range that starts at $11.99 and goes up to $234.99. With 6 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Driveworks Wheel Bearing: Direct Fit, 1 Piece, S-513150, Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA, 904891, and National Differential Pinion Seal, 711185 start at just $11.99 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 2003 Lexus IS300 in peak condition, inside and out.

Essential 2003 Lexus IS300 Differentials

National – National Differential Pinion Seal, 711185 (Part No.711185)

National Differential Pinion Seal, 711185

from

$11.99
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.
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.
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Valvoline – Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976 (Part No.904976)

Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976

from

$15.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula keeps your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
See More

Energy Suspension – Energy Suspension Differential Bushing Set, 8.1107G (Part No.8.1107G)

Energy Suspension Differential Bushing Set, 8.1107G

from

$234.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.
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Energy Suspension – Energy Suspension Differential Bushing Set, 8.1107R (Part No.8.1107R)

Energy Suspension Differential Bushing Set, 8.1107R

from

$234.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.
See More

Driveworks – Driveworks Wheel Bearing: Direct Fit, 1 Piece, S-513150 (Part No.S-513150)

Driveworks Wheel Bearing: Direct Fit, 1 Piece, S-513150

from

$46.49
Driveworks wheel bearings are a direct replacement for original parts at a much more affordable cost. Each wheel bearing is engineered to meet or exceed OE specifications, and goes through intensive quality control inspections to ensure proper fitment. Manufactured using high-precision machinery and advanced heat treatment processes, these bearings are designed for maximum durability and extended periods of use under any driving condition. Specific to certain applications, Driveworks bearings have multi-lip seals built into the bearing for increased protection against invasive contaminants and premature wear.
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Most Popular Differential Pinion Seal for 2003 Lexus IS300s

Enhance your 2003 Lexus IS300 with this popular Differential Pinion Seal we have in stock, for $11.99.

National – National Differential Pinion Seal, 711185 (Part No.711185)

National Differential Pinion Seal, 711185

from

$11.99
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.
See More

Best-Selling 2003 Lexus IS300 Differential Carrier Bushings

Upgrade your IS300 with one of our 2 best-selling Differential Carrier Bushings.

Energy Suspension – Energy Suspension Differential Bushing Set, 8.1107G (Part No.8.1107G)

Energy Suspension Differential Bushing Set, 8.1107G

from

$234.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.
See More

Energy Suspension – Energy Suspension Differential Bushing Set, 8.1107R (Part No.8.1107R)

Energy Suspension Differential Bushing Set, 8.1107R

from

$234.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.
See More

Top-Quality Differential Bearings for 2003 Lexus IS300s

Choose a high-quality OEM or aftermarket Differential Bearing for Lexus IS300s and enjoy top-notch performance from $46.49.

Driveworks – Driveworks Wheel Bearing: Direct Fit, 1 Piece, S-513150 (Part No.S-513150)

Driveworks Wheel Bearing: Direct Fit, 1 Piece, S-513150

from

$46.49
Driveworks wheel bearings are a direct replacement for original parts at a much more affordable cost. Each wheel bearing is engineered to meet or exceed OE specifications, and goes through intensive quality control inspections to ensure proper fitment. Manufactured using high-precision machinery and advanced heat treatment processes, these bearings are designed for maximum durability and extended periods of use under any driving condition. Specific to certain applications, Driveworks bearings have multi-lip seals built into the bearing for increased protection against invasive contaminants and premature wear.
See More

Top Picks for 2003 Lexus IS300 Differential Oil

Invest in one of our 2 durable Differential Oil for your 2003 Lexus, knowing you’re getting trusted brands and expert craftsmanship.

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

Valvoline – Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976 (Part No.904976)

Valvoline Extended Protection Full Synthetic Automatic Transmission Fluid ATF 1 QT, 904976

from

$15.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula keeps your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
See More

FAQs for 2003 Lexus IS300 Differentials

What are the best-selling Differentials for 2003 Lexus IS300s?

Out of 6 Differentials that fit 2003 Lexus IS300s, the following parts are the top sellers:

What’s the price range for 2003 Lexus IS300 Differentials?

The prices of Differentials for the 2003 Lexus IS300 range from $11.99 up to $234.99 for the most premium parts.

What is the average price of a Differential for a 2003 Lexus IS300?

The average price for Differentials for the 2003 Lexus IS300 is $96.74. 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 Lexus IS300 model years?

Yes, we carry Differentials for 13 model years of Lexus IS300s between 2001 and 2025. The following model years are the most popular for Differential purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2005.

What are the cheapest Differentials for my 2003 Lexus IS300?

Does Advance Auto Parts sell Differentials for any other 2003 Lexus models?

Yes. We stock Differentials for 7 other popular 2003 Lexus models. Some of the most popular are 2003 ES300 Differentials, 2003 GS300 Differentials, 2003 RX300 Differentials, 2003 LS430 Differentials, and 2003 LX470 Differentials.

What types of Differentials do you sell for my 2003 Lexus IS300?

As of 8/2/26, these are some of the most in-demand types of Differentials for a 2003 Lexus IS300:

Can I get help with 2003 Lexus IS300 Differential orders?

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

What is your return policy for Lexus IS300 Differentials?

Advance Auto Parts keeps returns simple. For new Lexus IS300 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.