Mackay Engine Coolant Bypass Hose for Honda Civic 1.6L i4 – Reliable Cooling, Aussie Quality
Keep your Honda Civic’s engine running cool and efficiently with the Mackay CH4257 Engine Coolant Bypass Hose — the OEM-grade solution engineered to exacting standards for optimal coolant circulation and temperature control.
Premium Australian Craftsmanship
Manufactured in Melbourne, Australia, by Mackay, a trusted automotive supplier with over 85 years of experience, this bypass hose is a testament to uncompromised quality and durability. Mackay’s legacy includes pioneering rubber-to-metal bonding for Australia’s first locally made vehicle and consistently delivering excellence worldwide.
Built to Last Under Demanding Conditions
Constructed from high-grade synthetic EPDM rubber, this bypass hose offers superior resistance to heat, ozone cracking, water loss, and electrochemical degradation—a common issue caused by electrical reactions within the engine bay. Reinforced with an embedded Aramid/Rayon lockstitch pattern, it provides exceptional crush and burst protection for long-lasting performance.
Precision Fitment for Honda Civic 1.6L Models
Designed specifically for:
- Honda Civic EK 1.6L
- Honda Civic VI 1.6L B16A2 VTi-R EK4 Hatchback
- Honda Civic VI 1.6L D16Y4 EK1 Hatchback and Sedan
- Honda Civic VI 1.6L D16Y5 VTi EK1 Sedan
Important: This hose is NOT compatible with Honda Civic VI 1.6L D16Y5 VTi EK1 Hatchback or D16Y8 VTi EJ8 Coupe models.
Technical Specifications
- Material: EPDM Rubber with Aramid/Rayon Reinforcement
- Inside Diameter (Both Ends): 16mm
- Hose Length: 400mm
- Temperature Range: -40°C to 125°C
- Meets SAE J20R4 Type EC Class D-1 and Class D-2 Standards
- Recommended for water and automotive coolant/corrosion inhibitors only (not for fuel, oil, or brake fluid)
Why Choose Mackay?
Experience the peace of mind that comes with a product backed by decades of automotive innovation and manufacturing excellence. Mackay hoses ensure your vehicle’s cooling system performs reliably in all driving conditions, protecting your engine and extending its life.
Upgrade your Honda Civic cooling system today with the Mackay Engine Coolant Bypass Hose — engineered precision, Aussie pride, and lasting protection in every drive!