4912456
Water Bypass Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$359.95 $428.34

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION
The Water Bypass Tube (part number: 4912456) is a component of a truck's engine cooling system. It is responsible for routing the coolant around the engine through a bypass channel when the thermostat is closed. This ensures that the coolant continues to circulate and cool various engine components, such as the cylinder heads, even when the thermostat is closed and restricting flow through the radiator. The bypass tube also helps regulate engine temperature during warm-up periods by directing coolant to areas that need it most. Made from durable materials, this component should be periodically inspected and replaced if damaged or worn to prevent overheating and potential engine damage.
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.