SHOP 2004 SUBARU LEGACY FEATURED PRODUCTS

    Shop 2004 Subaru Legacy Engine Upgrades by Category

    Motor Builds image

    Motor Builds

    Main Bearings

    Rod Bearings

    Pulleys

    Rods

    Seals

    Shop All

    Exhausts image

    Exhausts

    Exhaust Hangers

    Heat Isolation & Heat Wrap

    Shop All

    Cooling image

    Cooling

    Thermostats

    Radiator Hoses

    Universal Hose Couplings

    Water Pumps

    Shop All

    Engine Dress Up image

    Engine Dress Up

    Oil Caps

    Battery Tie Downs and Trays

    Shop All

    Air Induction image

    Air Induction

    High Flow Replacement Panel Filters

    Intake System Gaskets

    Phenolic Thermal Intake Manifold Spacers

    Throttle Bodies

    Shop All

    Oil Systems image

    Oil Systems

    Oil Pans

    Shop All

    Fuel System image

    Fuel System

    Fuel Pumps

    Fuel Rails

    Fuel Filters

    Shop All

    Turbochargers and Superchargers image

    Turbochargers and Superchargers

    Oil Feed Lines and Fittings

    Shop All

    Shop 2004 Subaru Legacy featured products

    107 Results

    Subaru OEM Thermostat - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    7 In Stock

    21200AA072

    Subaru OEM Thermostat - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    4.9(24)
    $31.25
    Subaru OEM Thermostat Gasket - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    4 In Stock

    21236AA010

    Subaru OEM Thermostat Gasket - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    5.0(8)
    $5.15
    ACL Rod Bearings Standard Size - Subaru EJ Models (inc. 2002-2014 WRX / 2004+ STI)

    4B8296A-STD

    ACL Rod Bearings Standard Size - Subaru EJ Models (inc. 2002-2014 WRX / 2004+ STI)

    5.0(1)
    $16.50
    Subaru OEM Crankshaft Rear Seal - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    806786040G

    Subaru OEM Crankshaft Rear Seal - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    5.0(2)
    $15.95
    Company23 EJ Rear Main Seal Installer - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    5 In Stock

    551

    Company23 EJ Rear Main Seal Installer - Subaru EJ Models (inc. 2004-2021 STI / 2002-2014 WRX)

    5.0(2)
    $49.95
    COBB Tuning 15MM Blue Urethane Exhaust Hanger Standard Length - Subaru Models (inc. 1993-2007 Impreza / WRX / STI)

    1 In Stock

    511301

    COBB Tuning 15MM Blue Urethane Exhaust Hanger Standard Length - Subaru Models (inc. 1993-2007 Impreza / WRX / STI)

    4.8(13)
    $20.00
    ACL Race Rod Bearings Standard Size - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    4B8296H-STD

    ACL Race Rod Bearings Standard Size - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    5.0(5)
    $62.20
    ACL Race Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

    5M8309H-STD

    ACL Race Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

    5.0(4)
    $134.67
    Torque Solution Short Oil Fill Tube - Subaru EJ Models

    1 In Stock

    TS-SU-587

    Torque Solution Short Oil Fill Tube - Subaru EJ Models

    3.3(3)
    $99.99
    Manley Performance Forged Connecting Rods - 2002-2005 Subaru WRX / 2004-2021 STI

    11 In Stock

    15024-4

    Manley Performance Forged Connecting Rods - 2002-2005 Subaru WRX / 2004-2021 STI

    5.0(6)
    $578.10
    Cusco Aluminum Pulley Set - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    1 In Stock

    6A1733A

    Cusco Aluminum Pulley Set - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $276.30
    Manley Performance H-Plus Forged Connecting Rods - 2002-2005 Subaru WRX / 2004-2021 STI

    15024R6-4

    Manley Performance H-Plus Forged Connecting Rods - 2002-2005 Subaru WRX / 2004-2021 STI

    $909.78
    Manley Performance Pro Series Turbo Tuff I-Beam Connecting Rod Set - 2002-2005 Subaru WRX / 2004-2021 STI

    2 In Stock

    14416R6-4

    Manley Performance Pro Series Turbo Tuff I-Beam Connecting Rod Set - 2002-2005 Subaru WRX / 2004-2021 STI

    $1,319.86
    IAG EJ Competition Series Oil Pan Package (Black Pan / Pickup / Comp Baffle / Windage Tray) - 2002-2014 Subaru WRX / 2004-2021 STI / 2005-2009 Legacy GT / 2004-2013 Forester XT

    IAG-ENG-2202BK

    IAG EJ Competition Series Oil Pan Package (Black Pan / Pickup / Comp Baffle / Windage Tray) - 2002-2014 Subaru WRX / 2004-2021 STI / 2005-2009 Legacy GT / 2004-2013 Forester XT

    $899.99
    ACL Main Bearings Undersized -.020in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    5M8309A-.50

    ACL Main Bearings Undersized -.020in - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $31.60
    ACL Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    1 In Stock

    5M8309A-STD

    ACL Main Bearings Standard Size - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI)

    5.0(1)
    $52.65
    Mahle Cylinder Head Gasket - 2005-2011 Subaru WRX / STI / 2005-2008 Legacy GT (including Spec B)

    55016

    Mahle Cylinder Head Gasket - 2005-2011 Subaru WRX / STI / 2005-2008 Legacy GT (including Spec B)

    $60.06
    Clevite Undersized Main Bearing Set -.010in - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    MS2258A25MM

    Clevite Undersized Main Bearing Set -.010in - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    $102.77
    ACL Race Rod Bearings Oversized +.001in - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    4B8296HX-STD

    ACL Race Rod Bearings Oversized +.001in - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI)

    5.0(2)
    $62.20
    Mahle Complete Head Gasket Set - Subaru Models (inc. 1999-2004 Impreza / 1999-2005 Forester)

    HS55016

    Mahle Complete Head Gasket Set - Subaru Models (inc. 1999-2004 Impreza / 1999-2005 Forester)

    $548.14

    Page 1 of 6

    110% Price Match Guarantee*

    Find the same product for less on any competitor's site, and we'll match that price and beat if by 10% of the difference!* 

    Free Shipping*

    Free shipping is available within the lower 48 states for orders totalling $199 or more. Simply select the free shipping option during checkout.
    *Exclusions apply

    30 Day, 100% Satisfaction

    RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.