Mishimoto 4in Straight Silicone Coupler, Blue (MMCP-4SBL)

The Mishimoto 4 Inch Straight Coupler is a blue silicone hose coupler designed to connect compatible 4-inch-diameter tubing in an automotive system. Identified as a Mishimoto silicone hose component, it provides a straight connection between hose ends where a coupler is needed. Its 4-inch size and straight configuration are the only specifications provided; the source does not state the coupler’s length, wall thickness, pressure rating, temperature range, reinforcement, or included clamps. The silicone construction offers a flexible hose connection, while the blue finish makes the component easy to distinguish within an engine bay. Use the listed dimensions and application requirements to confirm suitability before installation. The variant SKU is MMCP-4SBL.

No vehicle-specific fitment, year range, make, model, engine, or chassis information is provided for this coupler. Compatibility should therefore be determined by confirming that the intended connection requires a 4-inch straight silicone coupler and that the surrounding components are suitable for the hose. The source does not identify a vehicle-specific direct replacement, installation method, or intended street, track, towing, or off-road use, so no particular application can be confirmed. It also does not specify whether clamps or other hardware are included; verify the package contents and any installation requirements before use. This component is best considered for a custom or replacement hose connection only when its size and configuration match the system.