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2021 SUBARU WRX STI Parts and Accessories
Showing In Stock Items. Show All 101 Items.
On Sale
Royal Purple Max ATF Transmission Fluid
Royal Purple Max ATF transmission fluid is a synthetic, high-performance, long life, multipurpose automatic transmission fluid suitable for use in many of today's vehicles. Max ATF is more oxidation-stable than other transmission fluids, and greatly resists breakdown from heat and loss of proper lubricity. It is fully compatible and can be mixed with other automatic transmission fluids; however, for the best results, drain or flush your current oil and then fill with Royal Purple Max ATF.
( 62 )
$89.94
$80.95
Hayden Electric Fans
As a primary cooling source, Hayden Automotive electric fans slightly increase horsepower and fuel economy when replacing fan clutches and fan assemblies. These thin fans are manufactured with reversible blades for pusher and puller operation. Hayden uses high-quality, long-life electric motors to ensure performance and durability. They come available in 10, 12, 14, and 16 in. diameters.
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$71.99
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$79.99
Mobil 1 Synthetic ATF
Mobil 1 Synthetic ATF is a multi-vehicle formula recommended for use in modern, high performance automobiles, SUVs, SUTs, vans, and other light trucks. It helps provide outstanding resistance to oil breakdown and deposits with its inherently high-viscosity index and stability. It also provides outstanding performance at ambient temperatures as low as -66 degrees F (-54 degrees C). Help improve your overall transmission durability and cleanliness with Mobil 1 Synthetic ATF.
( 24 )
$53.95
Four Seasons Electric Fan Kits
Get the chill factor for better engine performance with Four Seasons electric fan kits. These drop-in replacements have original equipment quality and connectors for a perfect fit that you do yourself, saving yourself time and money. These fans are made of durable, heavy-duty plastic to provide quiet operation and dependable service. Keep your engine cool to perform as it should with Four Seasons electric fan kits.
( 19 )
$62.99
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$72.99
On Sale
K&N Universal Performance Air Filters
K&N's universal performance air filters are designed and manufactured for a wide variety of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and more. Many hundreds of models are are available, so regardless of the angle or offset diameter of your air intake, there is likely a K&N universal air filter for your equipment. All filters are constructed with ultra-strong, molded, pliable rubber flanges, which absorb vibration, allow for secure attachment, and can be stretched for up to 1/16 in. (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Order the style and size that best suits your needs.
( 312 )
$68.99
$55.19
PowerStop Z26 Street Warrior Brake Pads and Hardware Kits
PowerStop is on a mission to deliver an easy and affordable way for any driver to upgrade their brakes--no matter where or how they use their vehicle. PowerStop Z26 Street Warrior carbon-fiber ceramic brake pads are designed as an upgrade over stock brakes to reduce brake dust and eliminate noise on muscle cars and performance vehicles. These brake pads are made with a low-dust ceramic formula, infused with carbon fiber, to strengthen the compound and provide the extreme stopping power your vehicle deserves. Premium stainless steel hardware, along with ceramic brake lubricant, is included with the Z26 brake pads making it easier to complete your brake job.
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$62.92
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$72.47
Mobil 1 ESP Motor Oil
Mobil 1 ESP motor oil offers protection for gasoline and diesel engine emission systems, including diesel particulate filters. Featuring Emission System Protection (ESP), this synthetic oil will help prolong the life and maintain the efficiency of your vehicle's emission system. It's formulated to be fully compatible with passenger car diesels that have the latest Diesel Particulate Filters (DPFs) and gasoline catalytic converters. Outstanding performance and protection is available by utilizing the Mobil 1 ESP motor oil formulated for your application.
( 3 )
$53.95
Mobil 1 Truck and SUV Motor Oil
Mobil 1 Truck and SUV motor oil is specially formulated to provide extra-protection for hardworking truck and SUV gasoline engines. These advanced full synthetic motor oils are specifically designed and prepared to provide outstanding performance under all operating conditions, and have been tested and proven in the 5,000 lb. towing test. Mobil 1 Truck and SUV motor oil is formulated with high-performance base oils and a 10 percent boost in an additive that helps prevent deposit formation and protects against wear.
( 2 )
$53.95
Bosch Premium Original Equipment-Type Oxygen Sensors
Save the environment and gasoline dollars. Tune-up with Bosch premium original equipment-type oxygen sensors for lower emissions and greater fuel economy. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel economy and reducing harmful exhaust emissions. That's why checking for and replacing a worn-out oxygen sensor with one of these Bosch sensors is an important part of every routine tune-up. These O2 sensors feature an OEM connector for ease of installation. Bosch invented the automotive oxygen sensor and is the top choice of carmakers around the world. Order the model designed for fitment with your vehicle.
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$54.99
ACT Throwout Bearings
ACT throwout bearings are the same high-quality bearings included in your ACT clutch kits. They are available separately for every kit made by Advanced Clutch Technology and are perfect for replacing lost or damaged bearings.
( 11 )
$96.00
PowerStop Evolution GEOMET Coated Rotors
PowerStop is on a mission to deliver an easy and affordable way for any driver to upgrade their brakes--no matter where or how they use their vehicle. PowerStop Evolution coated rotors are direct bolt-on replacements for factory equipment. The rotors are treated with a thin layer of genuine GEOMET 360 to protect against rust and corrosion without influencing the vehicle's braking performance and the aluminum silver color of the coating looks great with today's open alloy wheels. PowerStop Evolution rotors are manufactured to original equipment specifications for fitment, weight, vane count, performance, and a trouble-free installation.
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$65.14
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$89.64
KYB Strut Mount Plates
KYB strut mount plates are OE-quality replacement components designed to keep your strut in place. They help cushion impacts from road bumps to reduce the jarring effect, noise, and vibration that old mounts transmit into the vehicle. These plates mount to your existing OEM holes and allow the strut to pass through the center of the bearing for top mounting. They're made of high-strength steel with an internal bearing to offer long service life. Hundreds of models are available, for more than a dozen positions and applications from 1970 and up.
( 47 )
$67.46
Beck/Arnley Ignition Coils
Beck/Arnley ignition coils are high-quality replacements, available in styles such as coil pack, E-core, canister, and C-core. These OE-type direct-fit coils will deliver the spark your engine needs to run efficiently. Order the model designed for your vehicle application.
( 9 )
$54.99
PowerStop Autospecialty OE Replacement Rotors
PowerStop Autospecialty OE replacement rotors are budget-conscious stock replacements for your daily driven vehicle. These original equipment-style replacement non-coated rotors are 100 percent mill balanced and precision-made to fit your specific vehicle. They are manufactured to strict tolerances for Disc Thickness Variation (DTV) and runout for smooth, quiet performance. If you're looking to restore the original rotor performance of your vehicle with easy, bolt-on replacements, look no further than the PowerStop Autospecialty rotors.
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$57.36
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$77.71
COBB Tuning Shift Knobs
COBB Tuning shift knobs (COBB Knobs) are designed to keep extended shifting sessions exhilarating. Their billet aluminum bases are anodized in your choice of red or black to help set the mood and are internally threaded to provide a tight fit onto the shifter shaft that won't come loose--even in the most frenzied of gear changes. They feel incredible and have a perfectly round contour to fit in the palm of your hand; encouraging fast, smooth shifts. COBB Knobs are the ultimate compliment to your manual shifter. With a shape and weight inspired by motorsports, and materials chosen for comfort in both hot and cold climates, COBB Knobs are equally at home racing or in everyday use. Features of COBB Tuning shift knobs include: * Red or black anodized aluminum base * Laser-etched COBB logo * Satin black or white Delrin knob--comfortable in hot and cold * Maintains factory reverse lockout (where applicable) * Set-screws lock threaded adapter onto OE shifter; COBB Knob threads onto the adapter (where required) * COBB Knobs do NOT have a shift pattern on them
( 3 )
$99.00
Diode Dynamics XP80 LED Bulbs
Diode Dynamics XP80 backup LED bulbs are direct replacement upgrades that add much more light output and a modern appearance to your backup lights. Populated with 12 side-firing and 4 forward-facing 5 watt-rated LED chips, they're among the brightest self-contained automotive LED bulbs available. Housed in an aluminum casing with textured finish for maximum heatsinking properties, they'll last for years. Simply remove your factory bulbs and the XP80s will fit snugly in their sockets. Add highly increased output and an LED appearance with a pair of Diode Dynamics XP80 cool white backup LED bulbs. Features and specs: * Applications include 1156-, 3156/3157-, and 7440/7443-sized backup/reverse and trunk/cargo lights * Constant-current circuitry and transient suppression for no flickering/failure reliability * 510 lumens brightness (about double the factory output) * Simple plug-and-play installation * Omnidirectional (270 degrees) * Power consumption varies by size * 9 to 16 V (typical draw varies by size) * Non-polar * -40 to 185 degrees F (-40 to 85 degrees C) operating temperature
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$99.95
Mishimoto Thermostats
Mishimoto thermostats are effective in noticeably lowering engine coolant temperatures. These thermostats are built with high-quality wax and are shipped with new rubber gaskets (where applicable) for a good, leak-free seal. They are then digitally calibrated for precise operation. Mishimoto thermostats open up at a slightly lower temperature than OEM or standard thermostats once your engine is fully warmed up. This allows the coolant to flow through the engine sooner, thus reducing and maintaining cooler engine temperatures. Whether you have a daily driver or a modified and upgraded turbo, Mishimoto thermostats will maintain optimal temperatures to efficiently cool your application.
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$64.95
Whiteline Differential Housing Mount Bushings
Keep your vehicle's pinion angles right and the rear-end on track with Whiteline differential housing mount bushings. These bushings fill the voids in the mount, reducing differential movement, which maximizes power being transferred to the wheels. When you want more predictable handling, add Whiteline differential housing mount bushings.
( 9 )
$77.88
PowerStop Z23 Evolution Sport Brake Pads and Hardware Kits
PowerStop is on a mission to deliver an easy and affordable way for any driver to upgrade their brakes--no matter where or how they use their vehicle. PowerStop Z23 Evolution Sport carbon-fiber ceramic brake pads are designed as an upgrade over stock brakes to reduce brake dust and eliminate noise, so you can ride in comfort. These brake pads are made with a low-dust ceramic formula, infused with carbon-fiber, for increased braking power without sacrificing everyday drivability. The necessary stainless steel hardware, along with ceramic brake lubricant, is included with the Z23 brake pads making it easier to complete your brake job. Use Z23 Evolution Sport brake pads to give your daily-driver the stopping power it deserves.
( 357 )
$53.40
Diode Dynamics SmartTap CF18 LED Flasher Modules
Diode Dynamics SmartTap CF18 LED flasher modules add unique, programmable functions to your turn signals. They're compatible with any vehicle using a CF18 flasher. With plug-and-play installation, it offers a lot more than your average relay: an embedded microcontroller is loaded with exclusive software, which adds new functionality to your vehicle! You can program features just the way you'd like, with the help of an included programming guide. Add more safety and smart functions to your ride with Diode Dynamics SmartTap CF18 LED replacement flasher modules. Features and items: * Tap-to-signal: a single tap will cause your turn signal to blink a specific number of times that you program in—ideal for lane changes * Unique built-in hazard functions: includes strobe, slo-mo, and wig-wag to help your vehicle stand out; can be applied separately, together, or with strobe for up to 8 unique functions * Arrival/departure modes: when your vehicle is locked or unlocked, your turn signals will steadily glow for 10 to 90 seconds for better visibility; can also be disabled (not compatible with all vehicles) * SmartTap flasher relay * Programming guide
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$99.95
SCE ICS Titan Copper Head Gaskets
With their built-in integral combustion and coolant seals, patented SCE ICS Titan copper self-sealing head gaskets require no additional sealants. That means that you get user-friendly installation, combined with reliable fluid sealing, plus the unbeatable strength of solid copper gaskets. The fluid seals are bonded to both sides of the gaskets and cleverly offset to allow the annealed copper of the gaskets to deform around them for a better seal and to prevent blowout. The built-in combustion seals, found only on the ICS Titan gaskets, take the place of the O-ringed blocks or heads, allowing for the use of power adders or extreme static compression ratios. The gasket body is split at the bore opening to allow for the insertion of a stainless wire O-ring, forming a primary seal, with upper and lower flanges forming a secondary combustion pressure seal. Recommended for naturally aspirated gas or methanol racing engines, these one-of-a-kind copper ICS Titan head gaskets are suitable for medium-to-heavy turbocharged, blown, or nitrous-injected engines as well. For ultimate sealing strength every time, introduce your engine to SCE ICS Titan copper head gaskets.
( 9 )
$75.95
Moog Replacement Tie Rod Ends
Moog replacement tie rod ends are designed as OE replacements for your stock units. Moog replacement tie rod ends feature durable, all-metal construction that is not prone to failure like OE plastic tie rod ends. Since Moog replacement tie rod ends are greasable (except where noted), friction is reduced and contaminants are flushed out. Plus, they have an easy-access wrench flat that allows for the use of a socket for easy installation.
( 814 )
$61.99
On Sale
K&N Washable Lifetime Performance Air Filters
K&N washable lifetime performance air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,400 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable--and are custom-designed to fit into your existing factory air box. Their drop-in design means that adding performance is simple. With most vehicles, you simply remove the disposable air filter and replace it with one of these K&N air filters. Find the model designed for your specific vehicle application.
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$62.99
$50.39
Universal Air Conditioner Air Conditioning Condensers
Universal Air Conditioner offers a comprehensive line of mobile climate-control products, including A/C condensers. Quality-built to OEM specifications for accurate fit and high-efficiency function as your factory component, these air conditioning condenser units will help you restore your vehicle's A/C system back to its proper operation. And, with UAC's extensive quality control procedures and affordable pricing, you can be rest assured that you are getting the best product when you decide to purchase the UAC condenser model that is designed for your application. Additional features and benefits: * Helps maintain a desired temperature inside your car * Made of durable materials * Ensures reliable performance * Guarantees high-efficiency * Provides long-lasting service life
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$86.99
