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- £34.01
- £34.01
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Description
xKeep your engine within its optimal temperature range with the Allmotorparts thermostat replacement RT1254/RT1234. This aftermarket part mirrors OE form and function, helping regulate coolant flow as the engine warms up.
Why replace your thermostat? A healthy thermostat helps maintain steady engine heat, supports efficient warming from cold starts, and contributes to consistent cabin comfort. This unit covers a broad range of Ford, Lincoln, and Mercury vehicles with 4.6L, 5.4L, 6.2L and 6.8L engines built from the early 1990s through the mid-2010s.
Key benefits and features
- REPLACEMENT ENGINE THERMOSTAT: Controls coolant flow to manage engine temperature, with indicators of potential failures like overheating or erratic temperature changes.
- OE-FIT, PREMIUM DESIGN: Stainless steel mounting flange and a channel built stainless steel spring frame for durability and secure seating.
- COMPATIBLE WITH FORD, LINCOLN, MERCURY: Broad compatibility across Crown Victoria, Expedition, F Series, Navigator, Grand Marquis and more.
Note: This is an aftermarket replacement part manufactured by Allmotorparts and is not a genuine OEM component. To ensure accurate fitment, please verify your vehicle information in the compatibility list and the description.
Installation considerations
- Locate the thermostat by tracing the upper radiator hose to the housing, then remove the old unit and install the new thermostat with the jiggle pin orientation as noted in the product description.
- Check any jiggle pin, bleed valve, or other air bleed features for correct orientation for vertical installations (north or 12 o'clock).
Compatibility at a glance
The RT1254/RT1234 is designed to replace RT-1234 and RT1254 thermostat models across multiple Ford, Lincoln, and Mercury vehicles, including 1992-2011 Crown Victoria, 1997-2014 Expedition, 1997-2014 F150, 1998-2014 Navigator, 1992-2011 Town Car, and more.
FAQ
Q: Is this thermostat compatible with my Ford 6.8L engine or 4.6L V8?
A: Yes, it covers many 4.6L, 5.4L, 6.2L and 6.8L Ford, Lincoln, and Mercury engines listed above.
Q: What should I check before purchase?
A: Review the compatibility list, confirm your vehicle year and model, and note jiggle pin orientation details; this is an aftermarket replacement.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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