Vehicle Set: Click here to shop 2004 Subaru Legacy parts.

2004 Subaru Legacy Engine Components

Looking for aftermarket parts to modify or upgrade your 2004 Subaru Legacy with engine components? At Tunersports.com we carry a huge selection of the top name brand performance engine component parts and accessories for your Legacy.

Whether you have a 2004 Subaru Legacy in GT to L 35th Anniversary trim we have you covered. With engine components from bearings to valve covers we have 149 Legacy engine component mods available. All parts have free shipping to the Continental US 48 States.

2004 Legacy Engine Component Parts:

Recently Added Subaru Legacy Aftermarket Engine Component Parts:

IN STOCK - LOW Cometic Gasket Head Gaskets C4319-092 Cometic Nissan RB26DETT 86mm Bore .092in MLS Cylinder Head Gasket $216.08 Details
IN STOCK - LOW Wiseco Piston Sets - 4 Cyl K599M995 Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.5 Piston Shelf Stock Kit $683.80 Details
IN STOCK - LOW Wiseco Piston Sets - 4 Cyl K600M100 Wiseco Subaru EJ25 SOHC 4v Dish -18cc 100mm Piston Set $683.80 Details
IN STOCK Wiseco Piston Rings 10000VF Wiseco 100.0mm Ring Set 1.2 x 1.5 x 2.0mm Ring Shelf Stock $43.66 Details
IN STOCK Wiseco Piston Rings 9950VF Wiseco 99.5mm Ring Set 1.2 x 1.5 x 2.0mm Ring Shelf Stock $43.66 Details
IN STOCK Torque Solution Oil Caps TS-SU-313BU Torque Solution Billet Oil Cap 89+ Subaru - Blue $52.79 Details
IN STOCK Torque Solution Oil Caps TS-SU-313-12 Torque Solution Billet Breather Oil Cap 89+ Subaru - Breather $73.33 Details
IN STOCK Perrin Performance Crank Pulley PSP-ENG-100RD Perrin 93+ Impreza (WRX/STi) Crank Pulley - Red (w/AC) $108.80 Details
IN STOCK - LOW Mishimoto Oil Filler Caps MMOFC-SUB-HOONRD Mishimoto Subaru Hoonigan Oil Filler Cap - Red $76.29 Details
IN STOCK - LOW Mishimoto Oil Filler Caps MMOFC-SUB-HOONSL Mishimoto Subaru Hoonigan Oil FIller Cap - Silver $76.29 Details

Popular Subaru Legacy Aftermarket Engine Component Parts:

IN STOCK King Engine Bearings Performance Main Bearings MB5382XPG King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) (Size STD) Performance Main Bearing Set $88.63 Details
IN STOCK King Engine Bearings Main Bearings MB5382XPGSTDX King Subaru EJ20/EJ22/EJ25 (For Thrust in #5 Position) (Size STDX) Tri-Metal Perf Main Bearing Set $91.96 Details
IN STOCK Fluidampr Dampers - Import 531101 Fluidampr Subaru EJ Series Steel Internally Balanced Damper $473.45 SALE VIEW PRICE IN CART Details
IN STOCK King Engine Bearings Main Bearings MB5382XPGC King Subaru EJ20 / EJ22/ EJ25 (Including Turbo) Coated Crankshaft Main Bearing Set $135.26 Details
IN STOCK King Engine Bearings Main Bearings MB5740XPG King Subaru EJ20/EJ22/EJ25 .005 Oversized Tri-Metal Perf Main Bearing Set $138.06 Details
IN STOCK King Engine Bearings Performance Rod Bearings CR4125XPGCSTDX King Subaru EJ20/EJ22/EJ25 (Size STDX) pMaxKote Performance Rod Bearing Set $95.22 Details
IN STOCK King Engine Bearings Performance Rod Bearings CR4125XPGC King Subaru EJ20/EJ22/EJ25 (Suites 52mm Journal Size) (Size STD) Tri-Metal Coated Rod Bearing Set $91.74 Details
IN STOCK King Engine Bearings Performance Main Bearings MB5382XPGCSTDX King Subaru EJ20/EJ22/EJ25 Including Turbo (Size STDX) pMaxKote Performance Main Bearing Set $141.20 Details
IN STOCK Perrin Performance Crank Pulley PSP-ENG-100RD Perrin 93+ Impreza (WRX/STi) Crank Pulley - Red (w/AC) $108.80 Details
IN STOCK Cometic Gasket Head Gaskets C4574-066 Cometic 03+ Subaru EJ255/04-10 EJ257 101mm .066 inch MLS Head Gasket $84.59 Details