Description
The Mishimoto 90-Degree Black Silicone Transition Coupler, MPN MMCP-R90-3040BK, is a four-ply silicone elbow purpose-built to bridge mismatched pipe diameters in demanding air intake or coolant plumbing. Molded as a true 90-degree transition, it steps down from a 4.2-inch outside diameter end to a 3.2-inch outside diameter end, letting builders route complex piping runs without the guesswork of splicing multiple hoses. It’s finished in black to blend cleanly into nearly any engine bay.
Behind that clean look is genuine engineering: each Mishimoto silicone coupler is built from four layers of 100-percent silicone divided by heat-resistant embedded fibers, giving the coupler the strength to handle extremely harsh underhood environments. This construction is rated for temperatures up to 330F and is engineered to tolerate substantial boost pressure, making it a practical choice whether it’s tasked with connecting intercooler piping on an air intake system or handling coolant flow elsewhere in the engine bay. Because the coupler is applicable to both coolant and air passage systems, it gives fabricators and DIY builders a flexible transition piece for custom intake, intercooler, or cooling circuit projects, all backed by the Mishimoto Lifetime Warranty.
Vehicle Applications
This Mishimoto 90-Degree Transition Coupler is a universal-fit component rather than a vehicle-specific part, so no particular make, model, or year range is required for installation. It’s intended for use in custom intake piping, intercooler plumbing, or coolant system builds where a 90-degree transition between a 4.2-inch and a 3.2-inch outside diameter pipe is needed, making it a versatile option for a wide range of custom air intake and cooling projects.
Features
- Allows for easy routing of complex coolant or intercooler pipes
- 100-percent silicone construction
- Constructed from four layers of silicone with embedded heat-resistant fibers
- Rated for temperatures up to 330F
- High pressure tolerance is ideal for use on intercooler pipe connections
- Applicable for both coolant and air systems
- Available in black to match any engine bay
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Brand: Mishimoto
- Part Number: MMCP-R90-3040BK
- Material: Silicone
- Color: Black
- Coupler Style: Transition Elbow (90-Degree Transition)
- Maximum Temperature Rating: 330F
- End 1 Outside Diameter: 3.2 in
- End 2 Outside Diameter: 4.2 in
- Coolant Compatible: Yes
- Hose Clamps Included: No
- Purchase Includes: (1) Mishimoto 90-Degree Transition Coupler, Mishimoto Lifetime Warranty
Frequently Asked Questions
What is the maximum temperature rating of the Mishimoto MMCP-R90-3040BK coupler?
This Mishimoto silicone coupler is rated for temperatures up to 330F.
Are hose clamps included with this coupler?
No, hose clamps are not included with the Mishimoto 90-Degree Transition Coupler MMCP-R90-3040BK.
Is this coupler coolant compatible?
Yes, this Mishimoto silicone coupler is coolant compatible.
What are the diameters on each end of the coupler?
End 1 has an outside diameter of 3.2 inches, and End 2 has an outside diameter of 4.2 inches.
What does the purchase include?
The purchase includes (1) Mishimoto 90-Degree Transition Coupler and the Mishimoto Lifetime Warranty.
What is this coupler made of?
It is constructed from 100-percent silicone, built from four layers of silicone with embedded heat-resistant fibers.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
