Hybrid Racing Coolant Temp sensor waterneck adapter fitting
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Delivery and Shipping
Delivery and Shipping
Standard Shipping (UK):
Expect delivery in 2–3 working days. We may upgrade your order to Express at no extra charge depending on cart value, location, or items ordered.
Express Shipping (UK):
Sent via premium courier (DHL, UPS, Parcelforce, or FedEx). Most orders placed before 1PM (Mon–Fri) are dispatched the same day for next working day delivery (not guaranteed). Orders after 1PM are shipped next working day.
A working day is Monday–Friday, excluding UK public holidays.
Couriers may deliver on weekends at their discretion, but this is outside our standard policy.
Tracking details will be provided when your order ships.
Stock Information
Stock Information
Please check the stock status before ordering.
A green status means the item is in stock and has been recently verified.
If a product is out of stock or showing “contact us for ETA” just get in touch with us and we’ll give you an accurate restock estimate.
We aim to keep as many products in stock as possible, but due to low demand or special-order items, some products are only available to order in upon request.
Easy Returns
Easy Returns
RHD Performance accept returns on new, unopened products within 30 days of the day you receive your order. To organise your return and get an RMA (Return Merchandise Authoriation) number, please contact us here.
This does not affect your statutory rights.
This useful fitting allows you to insert a factory B/D coolant temp sensor into the upper section of the K-Series coolant system. This is required since the older generation gauge clusters can't understand the information being send from the K-Series ECU. Thread the adapter in, screw the coolant sensor in and you'll have a working temp gauge!
This adapter replaces the OEM idle air assist valve (not used on K-Swaps) leaving you with the perfect spot to thread your sensor into. If you don't want to run a hose insert, this is the piece for you. You're probably thinking, but wait can't I just get any old fitting? NOPE, this port uses a weird thread size so we did all the leg work, designed a new fitting and present it to you here in all of its glory.
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