BRP's Coolant Bypass tube for cummins marine Applications

Single-Piece Coolant Solution for Cummins Marine Engines

Introducing our single-piece replacement Coolant Bypass Tube for Cummins Marine Applications.  This stands as an alternative to the two-piece coolant transfer tube for the 871, 2250, 2350, and X15 engines. ( Part#: 4367122 & 5575183).

Combining Function & Utility

The Coolant Bypass Tube operates as part of the engine's cooling system, transferring coolant from the water pump to the back of the engine block. This is crucial in marine applications as the EGR systems found in on-road applications are generally absent. This is due to several factors, such as the corrosive environment, limited space in engine rooms, weight restrictions, and consistently high engine loads and speeds.

Kit Components & Colorful Customization Options

Our Coolant Bypass Tube comes in Red, Black, or Chrome powder coating choices. For a personal touch, opt for custom coatings for an additional charge. Note that these may need additional time due to availability.

The kit contents include the coolant bypass tube itself, alongside two O-rings and a single molded seal, all designed for a secure, effective fit.

Prerequisites for Installation: Please Review

In order to install the bypass tube, the engine must have the updated Cummins water pump. For more information, please reference the following bulletin from Cummins (22-Mar-2017).

Trust & Confidence: Coolant Bypass Tube for Cummins Backed by BRP Warranty

At Big Rig Power, we stand by the quality and performance of our parts and services. With our comprehensive parts warranty, customers can have peace of mind knowing that they are well-protected.
For full warranty details, click on the button to learn more

Get in Touch Today

Nothing but the best will do for your Cummins Marine engine. Reliability, performance and innovation - it's all here at Big Rig Power. Our experts stand ready to guide you, every step of the journey.
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