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.
Extreme Turbo Systems
ETS Subaru WRX 22 Titanium Intake

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 06-07 Impreza WRX 2.5L Turbo
HPS Performance
HPS Performance Black Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 2005 Impreza WRX 2.0L Turbo

HPS Performance
HPS performance 2005 Subaru Impreza WRX 2.0L Turbo Radiator + Heater Hose

HPS Performance
Silicone Heater hoses

HPS Performance
Radiator Hose Kit

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator Hose Kit Coolant for Dodge 03-10 Ram 2500 3500 Pickup 5.9L / 6.7L Diesel Cummins

HPS Performance
Radiator Hose Kit

Denso
RADIATOR

HPS Performance
HPS Performance Black Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 06-07 Impreza WRX 2.5L Turbo

GrimmSpeed
GrimmSpeed Radiator Shroud w Tool Tray Red Subaru WRX STi 2002-2007
HPS Performance
Heater Hose Kit
Boomba Racing
Boomba Racing 2022 WRX Stage 2 Catch Can Kit-NATURAL

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2004-2005 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
HPS Performance Black Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2004-2005 Impreza 2.5L Non Turbo Left Hand Drive

Denso
RADIATOR

Denso
RADIATOR
Koyo
Koyo OEM Replacement 11-14 FD F-150 3.7L V6 STD AT

Gates
Gates OE Exact Engine Coolant Thermostat

Koyo
Koyo OEM Replacement 93-97 SB IMPREZA 1.8L H4 AT Supersedes A2218
HPS Performance
HPS Performance Blue Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 2005 Impreza WRX 2.0L Turbo
HPS Performance
HPS Performance Blue Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 02-03 Impreza WRX 2.0L Turbo

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2006-2007 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
HPS Performance Black Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2006-2007 Impreza 2.5L Non Turbo Left Hand Drive

Koyo
Koyo OEM Replacement 99-02 SB FORESTER 2.5L H4 AT

Gates
Gates OE Type Engine Coolant Thermostat

CSF
CSF Toyota A90/A91 Supra/ BMW G-Series B58 Charge-Air Cooler Manifold - Alpine White

Denso
RADIATOR
Gates
Gates Coolant Hose - Small I.D. 2012 Subaru Impreza 4-Cyl. 2.0 L Heater Outlet

HPS Performance
HPS Performance Red Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 06-07 Impreza WRX 2.5L Turbo

HPS Performance
HPS performance 2004 Subaru Impreza WRX 2.0L Turbo Radiator + Heater Hose

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2003 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator Hose Kit Coolant for Toyota 86-92 Supra MK3 Turbo NA 7MGE / 7MGTE
CSF
CSF Gen 2 B58 Race X Charge-Air-Cooler Manifold - Stoplight Red

Koyo
Koyo OEM Replacement 08-13 SB IMPREZA WRX 2.5L H4 TBO MT

HPS Performance
HPS Performance Red Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2006-2007 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
HPS Performance Red Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2003 Impreza 2.5L Non Turbo Left Hand Drive

Denso
RADIATOR

HPS Performance
HPS Performance Red Reinforced Silicone Radiator Hose Kit Coolant for Mitsubishi Lancer EVO 10

Denso
A/C CONDENSER

HPS Performance
Radiator Hose Kit
Denso
RADIATOR

HPS Performance
Silicone Heater hoses

CSF
CSF 2025+ BMW G90 M5 / G99 M5 Touring Charge Air Cooler - Heat Dispersion Thermal Black

HPS Performance
Heater Hose Kit
Gates
Gates Electric Engine Water Pump

HPS Performance
HPS Performance Red Reinforced Silicone Radiator Heater and Ancillary Hose Kit Coolant for Subaru 2005 Impreza WRX 2.0L Turbo

HPS Performance
HPS Performance Red Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2004-2005 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
HPS Performance Black Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2003 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
HPS Performance Red Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2002 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
HPS Performance Black Reinforced Silicone Radiator + Heater Hose Kit for Subaru 2002 Impreza 2.5L Non Turbo Left Hand Drive

HPS Performance
Silicone Radiator hoses

HPS Performance
HPS Performance Blue Reinforced Silicone Radiator Hose Kit Coolant for Toyota 14-18 Corolla 1.8L

COBB
Cobb Tuning CSF 2-Row Subaru Aluminum Radiator 2008-2021 WRX 2008-2021 STI
COBB
Cobb Tuning CSF 2-Row Aluminum Radiator for Subaru WRX STi 2002-2007

CSF
PASSPORT RADIATOR

Killer B Motorsport
Killer B Motorsport Dual Washer/Coolant Reservoir Subaru WRX/STi 2002-2005

CSF
SCION XB AC CONDENSER

HPS Performance
Oil Catch Can

Greddy
Greddy ALUMINUM RADIATOR GDB
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