Mishimoto Silicone Coolant Hose Kit Blue 2023+ Civic Type R

Mishimoto Silicone Coolant Hose Kit improves cooling reliability by replacing factory rubber lines with blue silicone hoses to increase heat and pressure resistance for the 2023+ Civic Type R (K20C1).

This hose kit is engineered for direct-fit installation on 2023+ Honda Civic Type R models with the K20C1 engine, providing a durable upgrade that maintains OEM routing while offering enhanced thermal stability and longer service life.

Key features and why they matter

• Silicone construction — Offers improved heat and pressure resistance compared to factory rubber, reducing softening and swelling under elevated engine temperatures.
• Direct-fit design for K20C1 — Preserves OEM hose routing and attachment points to simplify installation and ensure correct coolant flow without modification.
• Blue finish — Provides a sleek, upgraded appearance in the engine bay while using performance-grade material.
• Replaces factory rubber hoses — Removes age-prone components that are susceptible to cracking, hardening, or collapse, improving long-term coolant system reliability.
• Mishimoto engineering and validation — Backed by a brand experienced in thermal management products, designed to meet the functional demands of high-performance street and track use.

Performance and functionality

The kit focuses on preserving coolant system performance under higher thermal loads by using silicone compounds that better resist heat-related degradation. By maintaining OEM fitment and connections, the hoses support consistent coolant pressure and flow paths critical to engine cooling and reliability.

Installation and compatibility

Designed as a direct replacement for the stock hoses on 2023+ Civic Type R models with the K20C1 engine, the kit installs using existing clamps and fittings. Retaining OEM routing reduces installation time and the need for additional adapters or modifications.

Brand: Mishimoto

Color: Blue

Recommended use: Cooling system upgrade for improved heat and pressure resilience and enhanced engine bay appearance.

Vehicle Fitment: 2023+ Honda Civic Type R (K20C1)