GReddy Aluminum Radiator Filler Neck Water Temperature Adapter - 2013-2016 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2019 Toyota 86
GReddy Aluminum Radiator Filler Neck Water Temperature Adapter - 2013-2016 Scion FR-S / 2013-2020 Subaru BRZ / 2017-2019 Toyota 86
Greddy
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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
The Greddy Aluminum Water Neck Adapter has been designed with a 1/8PT provision to allow users to install a water temperature sensor into the upper radiator hose. Additionally, this adapter will include an 8mm diameter housing union for a water overflow.
This adapter has been fabricated from quality aluminum materials and will come in a nice anodized blue finish for extra protection against the elements. You can reuse your OEM radiator cap or you can also use the Greddy radiator cap.
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.
The Greddy Aluminum Water Neck Adapter has been designed with a 1/8PT provision to allow users to install a water temperature sensor into the upper radiator hose. Additionally, this adapter will include an 8mm diameter housing union for a water overflow.
This adapter has been fabricated from quality aluminum materials and will come in a nice anodized blue finish for extra protection against the elements. You can reuse your OEM radiator cap or you can also use the Greddy radiator cap.
