Mishimoto MMCP-3540BK Mishimoto 3.5 to 4 Inch Silicone Transition Coupler - Black

Durable hose coupler designed to securely connect piping in cooling or intake systems. Provides a tight, leak-resistant seal with heat- and pressure-resistant construction for reliable performance and easy installation.

Straight Transition Coupler, Black, Silicone, 3.50in to 4.00in

Mishimoto has developed a silicone transition coupler that measures 3.5in to 4in. Available in black, blue, and red.

Features and Benefits: 100-percent silicone construction; Heat-resistant embedded fibers; High heat and pressure tolerances