1999 Subaru Forester Differentials
Keep Your 1999 Subaru Forester in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1999 Subaru Forester looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Mount Bushings, Pinion Shaft Seals, 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.
Competitive Prices and Extensive Inventory
The average price for a 1999 Subaru Forester Differential at Advance Auto Parts is around $31.58, with a range that starts at $14.79 and goes up to $53.99. With 7 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Shaft Repair Sleeve, Axle Diff. Seal, and Axle Diff. Seal start at just $14.79 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 1999 Subaru Forester in peak condition, inside and out.
Find Your Specific 1999 Subaru Forester Differentials
Looking for the perfect Differential for your 1999 Subaru Forester? 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 Subaru Forester. Whether you’re driving a 1999 model or another popular model year like
2016,
2017,
2018,
2019,
2020,
2021,
2022,
2023, and
2024, 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 1999 Subaru Forester Differentials
Driveworks – Camshaft Seal (Part No.S-99139)
National – Axle Diff. Seal (Part No.711090)
from
$15.79
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:
See More
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
National – Axle Diff. Seal (Part No.711091)
from
$14.79
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:
See More
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
National – Shaft Repair Sleeve (Part No.99114)
from
$27.99
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:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Whiteline – Differential Mount In Cradle Bushing (Part No.KDT906)
from
$52.99
Whiteline’s differential bushing solutions ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.
Product Features:
See More
Product Features:
- Featuring premium anodized alloy materials, Whiteline alloy products are anodized providing a long-lasting protective barrier to corrosion and wear but they look great too.
- Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
- Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
Whiteline – Differential Mount In Cradle Bushing (Part No.KDT903)
from
$53.99
Whiteline’s differential insert bushings work within the voids of the original factory bushing to ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.
Product Features:
See More
Product Features:
- Featuring premium anodized alloy materials, Whiteline alloy products are anodized providing a long-lasting protective barrier to corrosion and wear but they look great too.
- Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
- Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
Whiteline – Differential Mount Support Outrigger Bushing (Part No.KDT905)
from
$48.99
Whiteline’s differential bushing solutions ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.
Product Features:
See More
Product Features:
- Install guide included providing detailed instructions on how to install your new Whiteline purchase.
- Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
- Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life.
Whiteline – Differential Mount Front Support Bushing (Part No.KSB751)
from
$39.99
KSB751 will reduce rear-end float particularly under acceleration. It will also remove drive train slap on hard gear changes while delivering more precise handling and chassis response from the rear. Highly recommended for big power engines and competition work including drag and circuit racing. Note: Will induce NVH.
Product Features:
See More
Product Features:
- Inserts are designed to work with the original factory bushing rather than replacing it.
- Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life.
- Internal grease reservoirs provide continual self lubrication for optimum friction management.
- Specially bonded design for optimised strength typically required in high load bearing applications.
Whiteline – Differential Mount In Cradle Bushing (Part No.KDT940)
from
$36.99
Whiteline’s differential bushing solutions ensure pinion angles are maintained while delivering an improved gear shift resulting in reduced initial torque loss and greater power transfer to the wheels.
Product Features:
See More
Product Features:
- Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
- Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
- Specially bonded design for optimised strength typically required in high load bearing applications.
National – Multi-Purpose Bearing (Part No.32306)
from
$44.49
Product Features:
See More
- 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
FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.30208A)
from
$53.99
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:
See More
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
Popular 1999 Subaru Forester Differentials Categories
Most Popular Differential Mount Bushing for 1999 Subaru Foresters
Enhance your 1999 Subaru Forester with this popular Differential Mount Bushing we have in stock, for $39.99.
Whiteline – Differential Mount Front Support Bushing (Part No.KSB751)
from
$39.99
KSB751 will reduce rear-end float particularly under acceleration. It will also remove drive train slap on hard gear changes while delivering more precise handling and chassis response from the rear. Highly recommended for big power engines and competition work including drag and circuit racing. Note: Will induce NVH.
Product Features:
See More
Product Features:
- Inserts are designed to work with the original factory bushing rather than replacing it.
- Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life.
- Internal grease reservoirs provide continual self lubrication for optimum friction management.
- Specially bonded design for optimised strength typically required in high load bearing applications.
Best-Selling 1999 Subaru Forester Pinion Shaft Seal
Upgrade your Forester with our best-selling Pinion Shaft Seal.
National – Shaft Repair Sleeve (Part No.99114)
from
$27.99
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:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Top-Quality Front Differential Pinion Bearings for 1999 Subaru Foresters
Choose a high-quality OEM or aftermarket Front Differential Pinion Bearing for Subaru Foresters and enjoy top-notch performance from $44.49.
FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.30208A)
from
$53.99
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:
See More
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
National – Multi-Purpose Bearing (Part No.32306)
from
$44.49
Product Features:
See More
- 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
Top Picks for 1999 Subaru Forester Differential Seals
Invest in one of our 3 durable Differential Seals for your 1999 Subaru, knowing you’re getting trusted brands and expert craftsmanship.
National – Axle Diff. Seal (Part No.711090)
from
$15.79
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:
See More
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
National – Axle Diff. Seal (Part No.711091)
from
$14.79
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:
See More
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
Driveworks – Camshaft Seal (Part No.S-99139)
FAQs for 1999 Subaru Forester Differentials
What are the best-selling Differentials for 1999 Subaru Foresters?
Out of 7 Differentials that fit 1999 Subaru Foresters, the following parts are the top sellers:
- Shaft Repair Sleeve (18445079) – $27.99
- Axle Diff. Seal (12091278) – $14.79
- Axle Diff. Seal (12091283) – $15.79
What’s the price range for 1999 Subaru Forester Differentials?
The prices of Differentials for the 1999 Subaru Forester range from $14.79 up to $53.99 for the most premium parts.
What is the average price of a Differential for a 1999 Subaru Forester?
The average price for Differentials for the 1999 Subaru Forester is $31.58. 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 Subaru Forester model years?
What are the cheapest Differentials for my 1999 Subaru Forester?
The cheapest 1999 Subaru Forester Differentials we carry are:
- Axle Diff. Seal (12091278) – $14.79
- Axle Diff. Seal (12091283) – $15.79
- Camshaft Seal (11494113) – $23.99
- Shaft Repair Sleeve (18445079) – $27.99
- Differential Mount Front Support Bushing (12541942) – $39.99
Does Advance Auto Parts sell Differentials for any other 1999 Subaru models?
Yes. We stock Differentials for 1 other popular 1999 Subaru models. Some of the most popular are 1999 Legacy Differentials and 1999 Impreza Differentials.
What types of Differentials do you sell for my 1999 Subaru Forester?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1999 Subaru Forester:
Can I get help with 1999 Subaru Forester Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Subaru Differentials and more.
What is your return policy for Subaru Forester Differentials?
Advance Auto Parts keeps returns simple. For new Subaru Forester Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.