Thermostat Wehrli WCF100157-GB

Wehrli thermostat. This is a build component selected by SPECIFICATION rather than by a single vehicle application: match the frame size, flange, wheel size and A/R to your build. If you are not certain what your build needs, ask a tech before ordering.

What it does

The thermostat controls when coolant flows to the radiator and sets operating temperature. Stuck closed it overheats the engine; stuck open it never warms up, hurting mileage and setting a P0128. A new thermostat at the correct rating restores stable temperature.

How to choose

• Match the compressor and turbine wheel sizes to your power target and drive style
• Match the turbine housing A/R and flange to the manifold and downpipe you are running
• Confirm the oil and coolant feed arrangement matches your engine
• Check the part number against the component you are replacing

Fixes

• P0128 coolant temperature below regulating range
• overheating with a cool radiator
• a slow warm-up and poor heater output

What's included

• the thermostat (and housing / seal where the listing says so)

Specifications

• Brand: Wehrli
• Part number: WCF100157-GB
• Shipping weight: 2.1 lb
• Condition: new
• Product type: Thermostat

Cross-reference

Replaces or interchanges with Wehrli WCF100157-GB. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.

Confirmed fitment

Fitment as published by the manufacturer for this part number. If your vehicle is not listed, or you are unsure, ask a tech before ordering — a part returned because it was ordered for the wrong vehicle is subject to a restocking fee.