2018 Subaru WRX STI Differentials

Essential 2018 Subaru WRX STI Differentials

Driveworks – Tapered Roller Bearing (Part No.S-32206)

Tapered Roller Bearing

from

$17.99
Product Features:
  • Brand may vary by location
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SKF – Differential Pinion Bearing (Part No.J7020259642SKF)

Differential Pinion Bearing

from

$77.51
Differential Pinion Bearing

National – Bearings (Part No.32306)

Bearings

from

$44.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Pinion Seal (Part No.711089)

Pinion Seal

from

$18.79
Pinion Seal

National – Multi Purpose Seal (Part No.1173)

Multi Purpose Seal

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$12.79
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Ishino Stone – Pinion Seal (Part No.J7010259666ISH)

Pinion Seal

from

$6.68
Pinion Seal

National – Shaft Repair Sleeve (Part No.99128)

Shaft Repair Sleeve

from

$41.99
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:
  • 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
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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National – Axle Diff. Seal (Part No.711090)

Axle Diff. Seal

from

$14.29
Axle Diff. Seal

NOK – Differential Seal (Part No.J704084573NOK)

Differential Seal

from

$10.45
Differential Seal

Driveworks – Differential Seal (Part No.S-223255)

Differential Seal

from

$7.49
Product Features:
  • Brand may vary by location
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National – Axle Diff. Seal (Part No.711091)

Axle Diff. Seal

from

$13.79
Axle Diff. Seal

Valvoline – VAL EP ATF 6/1 QT (Part No.899179)

VAL EP ATF 6/1 QT

from

$14.99
VAL EP ATF 6/1 QT

Idemitsu – Type HP Automatic Transmission Fluid – 1 qt (Part No.30040099-75000C)

Type HP Automatic Transmission Fluid - 1 qt

from

$13.79
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
  • 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
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Valvoline – Import Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.820681)

Import Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

$36.99
Valvoline Import Multi-Vehicle Automatic Transmission Fluid is specifically formulated for use in most Toyota, Nissan, Honda and other imported vehicles. It is formulated with all synthetic base stocks and a proprietary additive system to ensure optimal transmission performance in a wide variety of vehicles. Valvoline Import Multi-Vehicle ATF can also be used in many domestic vehicles. It meets requirements of General Motors and Ford vehicles. Recommended for use in the following applications: Ford MERCON®, GM DEXRON®-II and DEXRON®-III, BMW LT 71141 and ETL-7045E, Nissan/Infiniti Nissan ATF, Matic-D, Matic-K and Matic-J, Mitsubishi Diamond SP-II and SP-III, Subaru ATF-HP, Hyundai/ KIA SP-II and SP-III , Toyota/Lexus Type T, T-III and T-IV , Honda/Acura ATF-Z1 (except in CVTs) , Mercedes Benz NAG1 , Volvo passenger car (except AW-1), and Volkswagen/Audi TL52162. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Whiteline – Differential Mount In Cradle Bushing (Part No.KDT906)

Differential Mount In Cradle Bushing

from

$69.99
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:
  • 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.
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Whiteline – Differential Mount Support Outrigger Bushing (Part No.KDT905)

Differential Mount Support Outrigger Bushing

from

$63.99
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:
  • 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.
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Whiteline – Differential Mount In Cradle Bushing (Part No.KDT903)

Differential Mount In Cradle Bushing

from

$70.99
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:
  • 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.
See More

2018 Subaru WRX STI Differentials

Maybe you’re in the middle of a full rebuild of that 2018 Subaru WRX STI. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 13 different Differentials in our inventory ranging from $13.79 to $70.99. That means you can find the exact parts or products you need to keep that 2018 Subaru WRX STI running smoothly.

Differentials are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 2018 Subaru WRX STI. Idemitsu, Valvoline, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 2018 Subaru WRX STI, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Differentials to keep your 2018 Subaru WRX STI rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 2018 Subaru WRX STI Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2018 Subaru WRX STI demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your WRX STI the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Idemitsu Differentials

We carry Idemitsu parts in our stock across Differential Oil categories, plus more. For a 2018 Subaru WRX STI, our most popular Idemitsu Differentials include:
Type HP Automatic Transmission Fluid - 1 qt
from $13.79
(3)
Type HP Automatic Transmission Fluid – 1 qt
Differential Oil

FAQs for 2018 Subaru WRX STI Differentials

What are the most purchased Differentials for the 2018 Subaru WRX STI?

Out of 13 Differentials for the 2018 Subaru WRX STI, the most popular in our inventory are:
Shaft Repair Sleeve
from $41.99
This product is not rated
Shaft Repair Sleeve
Differential Seals
Axle Diff. Seal
from $13.79
This product is not rated
Axle Diff. Seal
Differential Seals
Axle Diff. Seal
from $14.29
This product is not rated
Axle Diff. Seal
Differential Seals