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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ACL +002 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HO/S2-.025
Regular price $133.00Sale price $133.00 Regular priceUnit price per$133.00 -
Up to $56.25 offACL +005 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HXO/S5-STD
Regular price $139.00Sale price $139.00 Regular priceUnit price per$195.25 -
ACL +002 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HXO/S2-STD
Regular price $150.00Sale price $150.00 Regular priceUnit price per$150.00 -
ACL +005 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HO/S5-STD
Regular price $160.00Sale price $160.00 Regular priceUnit price per$160.00 -
ACL +002 O/S Subaru 4 EJ20/EJ22/EJ25 Race Series Engine Crankshaft Main Bearing Set | 5M8309HO/S2-STD
Regular price $150.00Sale price $150.00 Regular priceUnit price per$150.00 -
Up to $2.99 offTorque Solution 02-07 WRX / 04-07 STi Small Battery Tie Down - Blue | TS-SU-613BU
Regular price $47.00Sale price $47.00 Regular priceUnit price per$49.99 -
IAG Performance Blemished EJ Competition Series Oil Pan | Black / Condition B09 | BLEM-ENG-2203BK-B09
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Regular price $599.99Sale price $599.99 Regular priceUnit price per$599.99 -
IAG Performance Blemished EJ Street Series Oil Pan | Black / Condition B07 | BLEM-ENG-2200BK-B07
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Regular price $479.99Sale price $479.99 Regular priceUnit price per$479.99 -
IAG Performance Blemished EJ Street Series Oil Pan | Black / Condition B09 | BLEM-ENG-2200BK-B09
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Regular price $499.99Sale price $499.99 Regular priceUnit price per$499.99 -
Wiseco WRX 4v R/Dome 8.4:1 CR 93mm Piston Shelf Stock | 6588m93
Regular price $216.99Sale price $216.99 Regular priceUnit price per$216.99 -
Wiseco WRX 4V R/Dome 8.4:1 Cr 92.5 Piston Shelf Stock | 6588m925
Regular price $216.99Sale price $216.99 Regular priceUnit price per$216.99 -
GReddy 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Timing Belt | 13564500
Regular price $258.00Sale price $258.00 Regular priceUnit price per$258.00 -
In StockIAG Performance Replacement V3 AOS 20" Coolant Line & Fitting
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT
Only 1 leftRegular price $49.99Sale price $49.99 Regular priceUnit price per$49.99 -
IAG Performance Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block
Fits: 02-14 WRX, 04-21 STi, 05-12 LGT, 04-13 FXT
Regular price $17,999.99Sale price $17,999.99 Regular priceUnit price per$17,999.99 -
ACL 02-14 WRX / 04-21 STI Race Main Bearing Set Standard Size Position 3 | 5M8297H-STD
Regular price $122.88Sale price $122.88 Regular priceUnit price per$122.88 -
Turbo XS 02-07 WRX / 04-21 STI RFL Series Recirculating Bypass Valve | TXS-WS-RBV
Regular price $249.99Sale price $249.99 Regular priceUnit price per$249.99