Optimize your Subaru WRX 2002-2005 engine's performance with a comprehensive range of top-quality aftermarket parts from industry-leading brands. Elevate the power and efficiency of your vehicle with ETS, HKS, Perrin, Mishimoto, AMS, Grimmspeed, Cobb, Remark, PLM, Turbosmart, IAG Performance, and more. Enhance airflow and filtration through air intake ducts and cold air intakes, while maintaining engine cleanliness with air oil separators and catch cans. Experience impeccable control and responsiveness with blow off valves and boost control solenoid covers, complemented by the reliability of engine mounts and meticulously crafted engine management harnesses. Simplify maintenance and improve overall performance with dipsticks and explore comprehensive engine package deals for a holistic approach to upgrading your Subaru WRX's engine. Unleash the full potential of your vehicle through precision-engineered components designed to deliver both power and durability, all meticulously designed to give your Subaru WRX the edge on the road or track.
Subaru WRX 2002-2005 Engine Parts
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Up to $298.67 offMishimoto Gold Front Mount Intercooler Kit w/ Intake WRX/STI 2002-2007
Regular price $1,283.95Sale price $1,283.95 Regular priceUnit price per$1,582.62 -
In StockMishimoto Magnetic Oil Drain Plug M12 x 1.25 Black - Universal
Only 4 leftRegular price $32.00Sale price $32.00 Regular priceUnit price per$32.00 -
Up to $40.05 off
In StockMishimoto Large Bar and Plate Dual Pass Oil Cooler - Universal
Only 2 leftRegular price $399.95Sale price $399.95 Regular priceUnit price per$440.00 -
Up to $30.05 off
In StockMishimoto Small Bar and Plate Dual Pass Oil Cooler - Universal
Only 2 leftRegular price $296.95Sale price $296.95 Regular priceUnit price per$327.00 -
Up to $34.05 offMishimoto Medium Bar and Plate Dual Pass Oil Cooler - Universal
Regular price $340.95Sale price $340.95 Regular priceUnit price per$375.00 -
Up to $18.05 off
In StockMishimoto 12 Inch Race Line High-Flow Electric Fan - Universal
Only 2 leftRegular price From $151.51Sale price From $151.51 Regular priceUnit price per$0.00 -
Up to $11.75 offMishimoto Air Intake Box WRX/STI 2002-2007
Regular price $156.95Sale price $156.95 Regular priceUnit price per$168.70 -
Up to $48.05 off
In StockMishimoto 19 Row X-Line Oil Cooler Kit - Universal
Only 9 leftRegular price $482.95Sale price $482.95 Regular priceUnit price per$531.00 -
Up to $24.05 off
In StockMishimoto Gold Z Line Intercooler - Universal
Only 3 leftRegular price $241.95Sale price $241.95 Regular priceUnit price per$266.00 -
Up to $20.86 offMishimoto Performance Air Intake Kit w/ Airbox Polished WRX/STI 2002-2007
Regular price $354.95Sale price $354.95 Regular priceUnit price per$375.81 -
Up to $26.23 offMishimoto Performance Air Intake Kit Polished WRX/STI 2002-2007
Regular price $215.95Sale price $215.95 Regular priceUnit price per$242.18 -
Up to $4.05 off
In StockMishimoto Straight Coupler with 1/8NPT Bung - Universal
Only 6 leftRegular price $39.95Sale price $39.95 Regular priceUnit price per$44.00 -
Up to $54.05 off
In StockMishimoto Thermostatic 19 Row Oil Cooler Kit - Universal
Only 5 leftRegular price $539.95Sale price $539.95 Regular priceUnit price per$594.00 -
Up to $20.05 off
In StockMishimoto Silicone Ancillary Hoses WRX 2002-2005
Only 15 leftRegular price $199.95Sale price $199.95 Regular priceUnit price per$220.00 -
Up to $43.05 off
In StockMishimoto Thermostatic 10 Row Oil Cooler Kit - Universal
Only 1 leftRegular price $428.95Sale price $428.95 Regular priceUnit price per$472.00 -
Up to $140 offKiller B Motorsport 02-14 WRX / 04-21 STI 4-1 Holy Header Exhaust Manifold DIY Rotated | HH-DIY
Regular price $1,429.00Sale price $1,429.00 Regular priceUnit price per$1,569.00