THE WRX FOUNDATION
The base platform that gave the world the WRX and STI — and a strong tuner scene of its own.
Subaru Impreza HERITAGE
THE BOXER-AWD COMPACT
MOTORMIA Impreza builds include rally-spec dirt cars, autocross weekend cars, daily-driver Outback Sport conversions, and budget tuner builds. Many WRX bolt-on parts (intakes, exhausts, suspension) cross-fit the Impreza chassis with minor adapters.
Subaru Impreza ON MOTORMIA
THE NUMBERS
CATEGORIES
Top product categories for the Subaru Impreza
BRANDS
Top brands for Subaru Impreza builds
READY TO BUILD YOUR SUBARU IMPREZA?
Pick your year and trim to shop verified-fit Subaru Impreza parts.
Shop all Subaru Impreza parts →Verified Fitment
Subaru Impreza Category heating and cooling Parts
316 parts available
Shop aftermarket parts for the Subaru Impreza. Verified fitment, free shipping, 30-day returns.
Gates
Gates Light Duty Water Pumps 2014-13 Subaru Outback 4-Cyl. 2.5 L Water Pump

Denso
RADIATOR

Denso
RADIATOR

Perrin Performance
PERRIN 02-25 Subaru WRX / 04-21 STI / 13-26 BRZ/GR86/FRS/86 Coolant Overflow Tank - Hyper Pink

Gates
Gates 04-13 Subaru Forester 4-Cyl. 2.5L By Pass Thermostat To Pipe-1 Straight Heater Hose (Standard)

Perrin Performance
PERRIN 13-25 Subaru Crosstrek & Impreza / 18-25 Forester CVT Transmission Cooler Full Kit
HKS
HKS S Type O/C KIT GDB F EJ207 BLK
HKS
HKS S Type O/C KIT GDB C-E BLK

Gates
Gates 1998 Subaru Impreza 4-Cyl. 2.5L Lower Molded Coolant Hose

Gates
Gates 12-13 Subaru Forester 4-Cyl. 2.5L Throttle Body Inlet - Upper Molded Heater Hose

Gates
Gates 09-13 Subaru Forester 4-Cyl. 2.5L Heater Outlet Molded Heater Hose

CSF
CSF 7042 - Radiator (Superseded 7095)

Gates
Gates 04-08 Subaru Forester 4-Cyl. 2.5L Reservoir (Upper) Molded Heater Hose

Gates
Gates 99-18 Subaru Forester 2.5L 4 Cyl Safety Release Radiator Cap - 16 psi

Gates
Gates 03-08 Subaru Forester 4-Cyl. 2.5L Heater Outlet Molded Heater Hose

CSF
CSF 7028 - Radiator (Superseded 7094)

Gates
Gates 06-10 Forester/Outback / 06-11 Impreza / 06-09 Legacy Water Pump

Killer B Motorsport
Killer B 02-07 Subaru WRX/STi Performance Radiator

Gates
Gates 93-01 Subaru Impreza / 90-94 Legacy Small ID Coolant Hose
HKS
HKS S type O/C GRB(A-)
Killer B Motorsport
Killer B 00-07 Subaru Impreza (GD) Low Mount Performance Radiator

Gates
Gates 84-85 Mazda RX-7 / 80-83 Nissan 280ZX / 93-01 Subaru Impreza Small ID Coolant Hose

Killer B Motorsport
Killer B 08-14 Subaru WRX/STi Performance Radiator

Perrin Performance
Perrin Coolant Overflow Tank - Black
Greddy
GReddy 02-07 WRX & STi Oil Cooler Kit Manual Trans ONLY
COBB
Cobb 08-14 Subaru WRX/STI Coolant Overflow Tank

CSF
CSF 02-07 Subaru Impreza 2.5L OEM Plastic Radiator

CSF
CSF 02-05 Subaru Impreza 2.0L OEM Plastic Radiator

Cusco
Cusco Radiator Cooling Plate GDB-F 06 STi *Blue*

Mishimoto
Mishimoto Screw On Oil Funnel Subaru Kit

Mishimoto
Mishimoto High-Pressure 1.3 Bar Radiator Cap - Small - One-Way

CSF
CSF 18-23 Subaru Crosstrek / 17-22 Impreza High-Performance All-Radiator

Mishimoto
Mishimoto Subaru Impreza WRX/STI Replacement Radiator 2004-2007

Mishimoto
Mishimoto Subaru Forester Replacement Radiator 1998-2002

CSF
CSF 08-21 Subaru WRX/STI 2-Row 42mm Race-Spec All Aluminum Radiator - Black

Mishimoto
Mishimoto Subaru Impreza Replacement Radiator 2002-2007

Gates
Gates 02-07 Subaru WRX/STI Upper Radiator Hose

Gates
Gates 08-12 Subaru Forester/Impreza Water Pump

Gates
Gates 00-05 Subaru Outback / 90-05 Legacy / 93-05 Impreza Water Pump

Gates
Gates 98-13 Toyota Corolla 1.8L Thermostat Seal

Gates
Gates 50ft Safety Stripe Heater Hose -40 Deg to 257 Deg 60 PSI

Gates
Gates 5/16in x 50 ft SS Heater Hose

Gates
Gates 90-93 Acura Integra / 90-97 Mazda MX-5 Miata / 03-06 Nissan 350Z Radiator Cap - 13 psi

Gates
Gates Ford/Chevy/Honda/Hyundai/Kia/Lexus/Mazda/Mitsubishi/Nissan/Subaru/Suzuki/Toyota Radiator Cap

Gates
Gates Acura / Chevrolet / Ford / GMC / Honda / Infiniti / Mazda / Mitsubishi / Nissan Radiator Cap

Gates
Gates Subaru 04-08 Impreza / 05-08 Legacy/Outback 4 cyl 2.5L EJ25 Water Pump

GrimmSpeed
GrimmSpeed 02-07 Subaru WRX / 04-07 Subaru STi / 02-05 Subaru Impreza Radiator Hose Kit - Red

GrimmSpeed
GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Black

Torque Solution
Torque Solution 08-14 Subaru WRX / 08-18 STI / 09-13 Forester XT Silicone Radiator Hose Kit - Blue

Torque Solution
Torque Solution 08-14 Subaru WRX / 08-18 STI / 09-13 Forester XT Silicone Radiator Hose Kit - Red

GrimmSpeed
GrimmSpeed 02-07 Subaru WRX / 04-07 Subaru STi / 02-05 Subaru Impreza Radiator Hose Kit - Black

Torque Solution
Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Black

Torque Solution
Torque Solution 08-14 Subaru WRX / 08-18 STI / 09-13 Forester XT Silicone Radiator Hose Kit - Black

Victor Reinz
MAHLE Original Saab 9-2X 06-05 Water Pump Seal

Torque Solution
Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Blue

Moroso
Moroso 08-19 Subaru WRX/STi Coolant Expansion Tank

GrimmSpeed
GrimmSpeed 08-14 Subaru WRX / 08-17 Subaru STi / 09-13 Subaru Forester XT Radiator Hose Kit - Red

Torque Solution
Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Red

Mishimoto
Mishimoto 08-14 Subaru WRX / 08+ STI Silicone Radiator Hose Kit - Neon Yellow

Mishimoto
Mishimoto 02-07 Subaru Impreza WRX Aluminum Radiator Stay - Anodized Blue
FAQ
Frequently Asked Questions About the Subaru Impreza
What are the best aftermarket parts brands for the Subaru Impreza?
The top brands MOTORMIA owners trust for Subaru Impreza builds are PowerStop, EBC, Whiteline, Mishimoto, and Magnaflow. The catalog carries 5,779 parts that fit the Impreza. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.
What's the best trim or sub-model of the Subaru Impreza to modify?
The most-modified Impreza trims are 2.5RS and Outback Sport. These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the Impreza's engine family (EJ25 (naturally aspirated), FB20, FB25) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.
What's the typical mod path for a Subaru Impreza?
For most Subaru Impreza builds, the recommended modification order is: intake → exhaust → suspension → ECU tune → swap (if going turbo). This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Subaru Impreza builds at every power level.
How does the Subaru Impreza aftermarket compare to the Subaru WRX?
The Subaru Impreza is the base AWD-boxer platform that became the WRX, with strong N/A and budget tuning support. On MOTORMIA, 5,779 parts fit the Impreza across 4,000+ active member builds, with an average part MSRP of $623. The decision usually comes down to which platform you own — both have full bolt-on catalogs.
Will any Subaru Impreza part fit my year and trim?
Not always. The Subaru Impreza has had multiple generations and engine changes (e.g., EJ25 (naturally aspirated), FB20, FB25), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the Impreza a part fits. Use the fitment selector at the top of any page to pre-filter to your build.
Does MOTORMIA offer returns on Subaru Impreza parts?
Yes. Most Subaru Impreza parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.
MOTORMIA APP
Build your Subaru Impreza with Mia
Personalized Subaru Impreza mod recommendations, verified fitment from real Impreza owners, and a garage that tracks every part on your build.
- Mod recommendations tuned to your Impreza year, trim, and submodel
- Verified fitment data from 4,000+ Subaru Impreza member builds
- Performance gain estimates based on real-world results
- Save your garage and track every part you've installed