Mackay Engine Coolant Bypass Hose – Inlet Manifold Hose Outlet (CH856)

Upgrade your vehicle’s cooling system with the Mackay CH856 Engine Coolant Bypass Hose, engineered for durability and performance. Proudly manufactured in Australia, this premium-quality hose meets or exceeds original equipment (OE) standards, ensuring a perfect fit and reliable operation.

Key Features:

• Premium Material: Crafted from heat-, water-, and ozone-resistant EPDM rubber, specifically formulated to withstand electrochemical degradation (ECD), giving you a longer-lasting hose that won’t fail under pressure.
• Reinforced Strength: Embedded Aramid/Rayon lockstitch reinforcement delivers maximum durability and superior endurance under high pressure conditions.
• Tailored Application: Designed exclusively for water and coolant transfer—ideal for maintaining optimal engine temperature; not suitable for fuel, oil, or transmission/brake fluids.
• Specification Compliance: Meets SAE J20R4 Type EC Class D-1 and Class D-2 standards for coolant bypass hose requirements.

Vehicle Compatibility:

Perfect fit for Holden Brougham HG 5.0L (08/1970 – 07/1971) and HT 5.0L (06/1969 – 07/1970) models, specifically engineered as an inlet manifold hose outlet.

Important Fitment Notice:

• Does NOT fit Holden Brougham HK 5.0L models.

Why Choose Mackay?

For over 85 years, Mackay has been a trusted name in Australian automotive manufacturing. From pioneering rubber-to-metal bonding to supplying critical components for the very first (1948 FX Holden) through to the last Australian-made vehicles (VF Holden 2017), Mackay’s commitment to uncompromised quality and excellence continues to fuel their success worldwide.

Ensure your engine's cooling system performs flawlessly with the Mackay CH856 Coolant Bypass Hose—trusted durability made in Australia.

Order now and keep your Holden Brougham running cool with genuine Mackay quality!