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Subaru Radiators

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Radiators help keep engines cool by circulating coolant through the engine and releasing heat. Over time, radiators face wear and tear that can reduce their ability to cool effectively. SubaruFactoryPartsOnline.com stresses the importance of using genuine Subaru radiators because they offer reliable fit and durability compared to cheaper aftermarket options. Models like the Subaru Crosstrek and Subaru WRX depend on quality cooling systems to perform well.

Why radiators break down

Radiators can develop leaks, corrosion, or clogging as they age. Coolant can leave deposits inside, blocking flow and causing overheating. Cheaper aftermarket radiators may use lower-grade materials that corrode faster or don’t fit perfectly, leading to leaks. Genuine Subaru radiators resist corrosion better and maintain proper cooling for longer.

When to replace the radiator

Signs of a failing radiator include engine overheating, coolant leaks, or unusual temperature gauge readings. SubaruFactoryPartsOnline.com recommends checking the radiator during routine maintenance and replacing it when leaks or blockages occur. Staying on schedule prevents engine damage and keeps the vehicle running smoothly.

Supporting parts to check along with the radiator

The water pump works closely with the radiator to circulate coolant. Using genuine Subaru parts for both helps avoid premature failure and ensures efficient engine cooling.

Choosing genuine Subaru radiators helps maintain consistent engine temperature and prevents costly repairs. Cheaper alternatives often fail sooner and may cause additional engine problems. SubaruFactoryPartsOnline.com offers parts built specifically for models like the Crosstrek and WRX. Regular radiator maintenance helps extend your vehicle’s lifespan and keeps performance steady.

Front Support

Part Number: 5322842040
Subaru Subaru
Other Names: Bracket Radiator Mo
Fits:
  • Subaru:
    • Solterra
MSRP $21.23
$15.42

Lower Seal

Part Number: 57252FE080
Subaru Subaru
Other Names: Seal Radiator Panel
Description: 2004-07.
Fits:
  • Subaru:
    • Impreza
MSRP $20.97
$15.22

Seal

Part Number: 57252FG010
Subaru Subaru
Other Names: Seal Radiator Panel
Description: Intake duct.
Fits:
  • Subaru:
    • Impreza
MSRP $19.05
$13.83

Drain Plug

Part Number: 745124060
Subaru Subaru
Notes: Included with radiator assembly.
Other Names: Radiator Assembly Drain Plug, Radiator Drain Plug
Description: 2.5L. 3.6L. 3.0L. 2.0L hybrid.
Fits:
  • Subaru:
    • Ascent,
    • Crosstrek,
    • Legacy,
    • Outback
MSRP $16.78
$12.18

Upper Hose

Part Number: 45161AE06A
Subaru Subaru
Other Names: Radiator Coolant Hose, Radiator Hose Inlet B
Description: 3.0L.
Fits:
  • Subaru:
    • Outback
MSRP $21.48
$15.60

Lower Bracket

Part Number: 45124AG010
Subaru Subaru
Other Names: Radiator Assembly Lower Bracket, Bracket Radiator Lower
Description: 2.0L. 2.5L.
Fits:
  • Subaru:
    • Crosstrek,
    • Forester,
    • Impreza,
    • WRX,
    • WRX STI,
    • XV Crosstrek
MSRP $10.43
$8.33

Drain Plug

Part Number: 745124051
Subaru Subaru
Notes: Included with radiator assembly.
Other Names: Radiator Assembly Drain Plug, Radiator Drain Plug
Replaces: 45124GA050, 745124050
Description: 2.5L sohc. 2.2 & 2.5L, 1999-01. 2.0L. 2.5L turbo, 2006-08. 2.5L dohc. 2.5L, 1998.
Fits:
  • Subaru:
    • Baja,
    • Forester,
    • Impreza,
    • Legacy,
    • SVX
MSRP $16.65
$13.29

Lower Hose

Part Number: 45161AE07A
Subaru Subaru
Other Names: Radiator Coolant Hose, Upper Hose, Radiator Hose Outlet
Description: Outback. 3.0l. Forester.
Fits:
  • Subaru:
    • Forester,
    • Outback
MSRP $23.75
$17.24

Drain Plug

Part Number: 45191FL000
Subaru Subaru
Notes: Part has related components that cannot be reused/reinstalled. o-ring. included with radiator assembly.
Other Names: Vent Valve, Radiator Drain Plug, Air Plug Radiator
Description: 2.0L. 2.5L. With hybrid.
Fits:
  • Subaru:
    • Crosstrek,
    • Forester,
    • Impreza,
    • WRX
MSRP $7.57
$6.13

Lower Cover

Part Number: 45134AG012
Subaru Subaru
Other Names: Cover, Upper Cover, Radiator Support Baffle, Cover Radiator
Replaces: 45134AG000, 45134AG010, 45134AG011
Description: 2.5L turbo, auto trans.
Fits:
  • Subaru:
    • Forester,
    • Impreza,
    • Legacy,
    • Outback
MSRP $48.40
$33.69

Drain Plug O-Ring

Part Number: 45128KA000
Subaru Subaru
Notes: Part cannot be reused/reinstalled. included with radiator assembly.
Other Names: Radiator Assembly O-Ring, Radiator Assembly Seal, Radiator Seal, Plug O-Ring, Radiator Drain Plug Gasket, O-Ring
Description: 2.0L. 2.5L. Radiator assy,o-ring.
Fits:
  • Subaru:
    • Baja,
    • Crosstrek,
    • Forester,
    • Impreza,
    • Legacy,
    • Outback,
    • WRX,
    • WRX STI,
    • XV Crosstrek
MSRP $3.12
$2.62

Lower Tie Bar

Part Number: 53029AL04A9P
Subaru Subaru
Notes: Included with radiator support.
Other Names: Frame Complete Radiator Panel
Fits:
  • Subaru:
    • Legacy,
    • Outback
MSRP $103.72
$71.56

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