Genuine Ancillary Coolant Hose Set WRX & STI 2002 - 2007

Not everyone’s a fan of silicone. Some of us trust what Subaru engineered from day one — genuine OEM rubber.
This full replacement hose kit swaps out every major coolant line in your EJ engine bay using all genuine Subaru parts, just like the factory intended.

Built to match the layout of the Fuji Racing Silicone Ancillary Coolant Set, this all-rubber kit delivers the same precision fit and reliability without the silicone price tag. It’s the perfect solution for owners chasing OEM look, feel, and function.

Fits:

• WRX & STI (2002–2007)

Kit Replaces:

• Header Tank to Radiator Hoses (x2)

• Header Tank to Water Crossover Pipe

• Header Tank to Turbo Hose

• Oil Cooler (Modine) Hoses (x3)

• Water Pump Hoses (x2)

• Expansion Tank Overflow Hoses (x2)

Why Genuine Subaru:

• Factory-correct fitment — every hose sits exactly as Subaru designed

• Rubber composition proven to handle heat, pressure, and Aussie conditions

• Long-term reliability with OEM sealing and clamp compatibility

• Ideal for restorations or factory-spec performance builds

Roo Racing Tip:
If you don’t trust coolant in silicone — this is the kit you’ve been waiting for. 100% OEM quality, zero compromise, built for those who like things done properly.