Moroso Coolant Expansion Tank - 2008-2021 Subaru WRX / STI
Moroso Coolant Expansion Tank - 2008-2021 Subaru WRX / STI
Moroso
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Every product is sourced from authorized manufacturers or distributors. If something isn’t right with fitment or condition, we’ll work with you to resolve it fairly.
NO GUESSWORK,
JUST PARTS THAT WORK.
Let’s finish that car.
PRODUCT DETAILS
RallySport Direct is proud to provide you with the Moroso Aluminum Coolant Expansion Tank. This is a direct replacement for your factory expansion tank designed to be more durable, have a larger coolant capacity, all while improving the engine aesthetics.
DETAILS:
- Direct bolt-in replacement for stock, cracked, or discolored tanks
- Fabricated aluminum for strength, factory tanks fail after repeated high-heat situations
- The aluminum tank can be polished, chromed, painted, powder-coated, or left as-is for a race look
- Has a provision for the factory siphon hose
- Includes a billet aluminum cap with O-ring
- Integral billet aluminum hose fittings
WHY WE CARRY THIS
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
Brand discipline
Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
RallySport Direct is proud to provide you with the Moroso Aluminum Coolant Expansion Tank. This is a direct replacement for your factory expansion tank designed to be more durable, have a larger coolant capacity, all while improving the engine aesthetics.
DETAILS:
- Direct bolt-in replacement for stock, cracked, or discolored tanks
- Fabricated aluminum for strength, factory tanks fail after repeated high-heat situations
- The aluminum tank can be polished, chromed, painted, powder-coated, or left as-is for a race look
- Has a provision for the factory siphon hose
- Includes a billet aluminum cap with O-ring
- Integral billet aluminum hose fittings
