2021 Subaru WRX STI Drivetrains
Find Your Specific 2021 Subaru WRX STI Drivetrains
Below you will find various in-demand Subaru Drivetrains, components and accessories for your 2021 WRX STI. Advance Auto Parts has popular WRX STI parts like Drive Shafts and Axles, Differentials, Spindles and more. You’ll also find aftermarket and OEM Drivetrains for other WRX STI model years including
2015,
2016,
2017,
2018,
2019,
2020 and more. Select a category of 2021 Subaru WRX STI Drivetrains below and start saving instantly.
Popular 2021 Subaru WRX STI Drivetrains Categories
Essential Drivetrains for 2021 Subaru WRX STIs
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- 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
Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)
from
$12.99
Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.
Product Features:
See More
Product Features:
- Formulated for reliable gear protection
- Protects against severe temperatures to help extend service life
- Formulated with extreme-pressure additives to minimize gear wear from shock loads
- Helps protect against gear wear from scuffing, scouring, corrosion and pitting
- Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
- PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials
Valvoline – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)
from
$13.99
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:
See More
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
Carquest Premium – New CV Axle Assembly (Part No.NCV922591)
from
$115.99
Manufactured to be an OE replacement, CV axles use 100% new materials and are engineered for ease of installation and long service.
Product Features:
See More
Product Features:
- All New Materials
- Engineered for OE Fitment
- -40 Degree Rated CV Boots
- Moly-Blend Grease in inner and outer joints
- New nut and mounting hardware included if required
Carquest Premium – CV Axle Assembly (Part No.NCV66016)
from
$142.99
Product Features:
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- Designed to meet or exceed OE specifications for fit, form and function
- 100% new axle and components
- New axle nut or attaching hardware included when applicable
- Bearings, races and housings are heat-treated for longer life
- Precision-engineered seal mating surfaces for leak-free performance
- High moly CV joint grease with stainless-steel boot bands
Dorman – Spindle Nut M22-1.5 Hex Size 32mm (sold by each) (Part No.615-160)
from
$6.99
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and Length service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Drive Shaft (Part No.986-058)
from
$936.99
Replacing a drive shaft doesn’t have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints.
Product Features:
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Product Features:
- Direct replacement – this drive shaft is made to the original equipment dimensions for dependable fit and performance
- 100% new – this drive shaft is made from all new components so there’s no core charge or return hassle
- Ready to install – this drive shaft arrives pre-balanced to make installation quick and simple
- Serviceable construction – non-staked universal joints are designed for future serviceability
Upgrade your 2021 Subaru WRX STI with Top-Quality Drivetrains
When it comes to maintaining or upgrading your 2021 Subaru WRX STI, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Subaru or enhancing its overall performance, Drivetrains are key to keeping your WRX STI functioning at its best. At Advance Auto Parts, we offer a wide selection of 6 Drivetrains for the 2021 Subaru WRX STI, designed to meet your needs without breaking the bank.
From
Drive Shafts and Axle
replacements to
Differentials
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 2021 Subaru WRX STI at great prices.
Our Drivetrains inventory for this model
ranges from just $6.99 to $936.99, with
an average price of $187.16.
Our 6 Drivetrains in stock come from 3 trusted brands, so you’re sure to find the right part for your 2021 Subaru WRX STI without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2021 Subaru WRX STI, we stock popular OEM and aftermarket Drivetrains from top names
like Valvoline, and more.
Valvoline Drivetrains
start at just $12.99 and boast an impressive 4.8 stars average rating from customers.
With 1,378 customer reviews and counting, our 2021 Subaru WRX STI Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2021 Subaru WRX STI is always ready to roll. We’re committed to providing you with everything you need to keep your WRX STI in top shape, all in one place.
Start shopping confidently below for your 2021 Subaru WRX STI!
Best-Selling Drive Shafts and Axles for 2021 Subaru WRX STIs
Enhance the driving experience in your Subaru with 2 quality Drive Shafts and Axle components, starting at $115.99.
Carquest Premium – New CV Axle Assembly (Part No.NCV922591)
from
$115.99
Manufactured to be an OE replacement, CV axles use 100% new materials and are engineered for ease of installation and long service.
Product Features:
See More
Product Features:
- All New Materials
- Engineered for OE Fitment
- -40 Degree Rated CV Boots
- Moly-Blend Grease in inner and outer joints
- New nut and mounting hardware included if required
Dorman – Drive Shaft (Part No.986-058)
from
$936.99
Replacing a drive shaft doesn’t have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, tubes, constant velocity (CV) joints and universal joints.
Product Features:
See More
Product Features:
- Direct replacement – this drive shaft is made to the original equipment dimensions for dependable fit and performance
- 100% new – this drive shaft is made from all new components so there’s no core charge or return hassle
- Ready to install – this drive shaft arrives pre-balanced to make installation quick and simple
- Serviceable construction – non-staked universal joints are designed for future serviceability
Most Popular 2021 Subaru WRX STI Differentials
Customize your Subaru with 3 Differentials products
like Differential Oil, all
priced under $35.99.
Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- 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
Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)
from
$12.99
Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.
Product Features:
See More
Product Features:
- Formulated for reliable gear protection
- Protects against severe temperatures to help extend service life
- Formulated with extreme-pressure additives to minimize gear wear from shock loads
- Helps protect against gear wear from scuffing, scouring, corrosion and pitting
- Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
- PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials
Valvoline – Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822389)
from
$13.99
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:
See More
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
Top Picks for 2021 Subaru WRX STI Spindles
Upgrade Subaru WRX STIs with top-quality Spindles parts, including 1 OEM and aftermarket selections for your 2021 model.
Dorman – Spindle Nut M22-1.5 Hex Size 32mm (sold by each) (Part No.615-160)
from
$6.99
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and Length service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Top-Rated Drivetrains Brands For Your 2021 Subaru WRX STI
Shop for the best-rated brands offering Drivetrains and other products for your 2021 Subaru WRX STIs. Below you’ll find some of our best rated Drivetrains from Valvoline, and more. Drivetrains from these brands that fit a 2021 WRX STI start at just $12.99 and are rated as high as 4.8 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.
Popular Valvoline 2021 Subaru WRX STI Drivetrains
When it comes to maintaining or upgrading your 2021 Subaru WRX STI, using quality Drivetrains is essential to ensure durability and a perfect fit. Valvoline ticks all of those boxes. We offer a wide selection of Valvoline Drivetrains, specifically designed for the 2021 Subaru WRX STI. With over 3 Valvoline brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $12.99, with an average price of just $20.99. Plus, with over 689 customer reviews and an average rating of 4.8 stars, you can trust that our Valvoline Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Good quality great price”
from
$13.99
(8)
Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart
“My 1999 Honda Accord 4-cylinder has over 250K miles and a drain and fill takes exactly 3 quarts of Import ATF. I do this with every oil change. No pro”
from
$12.99
(235)
High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart
“Good quality oil. Does it’s job.”
FAQs for 2021 Subaru WRX STI Drivetrains
Which Drivetrains are best-sellers for 2021 Subaru WRX STIs?
Out of 6 Drivetrains that fit 2021 Subaru WRX STIs, the following parts are the top sellers:
- Spindle Nut M22-1.5 Hex Size 32mm (sold by each) (22190185) – $6.99
- New CV Axle Assembly (11920270) – $115.99
- Drive Shaft (12358638) – $936.99
What’s the price range for 2021 Subaru WRX STI Drivetrains?
Drivetrain prices for the 2021 Subaru WRX STI start at $6.99 and go up to $936.99 for the most premium parts.
What’s the average price of a Drivetrain for a 2021 Subaru WRX STI?
The average price for Drivetrains for the 2021 Subaru WRX STI is $187.16. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Drivetrains for other Subaru WRX STI model years?
What are the cheapest Drivetrains for my 2021 Subaru WRX STI?
The cheapest 2021 Subaru WRX STI Drivetrains we carry in stock are:
- Spindle Nut M22-1.5 Hex Size 32mm (sold by each) (22190185) – $6.99
- High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (7070003) – $12.99
- Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (12079206) – $13.99
- MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (8150020) – $35.99
- New CV Axle Assembly (11920270) – $115.99
What are the top-rated Drivetrains that fit the 2021 Subaru WRX STI?
Out of 1,378 reviews by customers, our 2021 Subaru WRX STI Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 2021 Subaru WRX STI and their top-rated products:
- Differentials
- Import Multi-Vehicle Synthetic Automatic Transmission Fluid, 1 Quart (12079206) – $13.99
- MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (8150020) – $35.99
- High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (7070003) – $12.99
What types of Drivetrains do you sell for my 2021 Subaru WRX STI?
As of 3/1/26, these are some of the most in-demand types of Drivetrains for a 2021 Subaru WRX STI:
Can I get help with 2021 Subaru WRX STI Drivetrain orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Subaru Drivetrains and more.
What is your return policy for Subaru WRX STI Drivetrains?
Advance Auto Parts keeps returns simple. For new Subaru WRX STI Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
