Mackay Lower Radiator Hose – Premium Australian-Engineered Cooling Solution

Ensure your vehicle’s cooling system operates at peak performance with the Mackay Radiator Lower Hose, meticulously engineered in Australia to meet and exceed original equipment (OE) standards. Crafted from high-grade EPDM rubber, this hose delivers exceptional resistance to heat, water, ozone, and electrochemical degradation, providing reliable durability under demanding engine conditions.

Key Features:

• OE Standard Quality: Designed to meet or surpass original equipment specifications for dependable performance.
• Premium EPDM Rubber: Heat, water, and ozone resistant with specialized formulation to resist electrochemical degradation (ECD).
• Reinforced Durability: Embedded Aramid/Rayon lockstitch reinforcement offers excellent strength and longevity against high pressure and elevated temperatures.
• Vehicle-Specific Fitment: Precisely engineered for select Chevrolet C30 5.7L LM1 petrol models built in the USA, ensuring a perfect fit and optimal function.
• Coolant and Water Only: Suitable exclusively for radiator coolant and water applications—not compatible with fuel, oil transfer, or transmission/brake fluids.
• Superior Compliance: Exceeds SAE J20R4 Type EC Class D-1 and Class D-2 standards for reliable cooling system operation.

Product Specifications:

• Position: Radiator Lower Hose
• Material: EPDM (Ethylene Propylene Diene Monomer) Rubber
• Reinforcement: Embedded Aramid/Rayon lockstitch
• Length: 600 mm
• Inner Diameter 1: 38 mm
• Inner Diameter 2: 45 mm
• Colour: Black
• Application: Water and coolant use only

Important Fitment Information:

• Fits: Chevrolet C30 5.7L LM1 (Built in USA) – Radiator Lower Position
• Does NOT Fit: Chevrolet C30 5.7L LS9 (350CUV8) Built in Canada

Why Choose Mackay?

Backed by over 85 years of Australian automotive manufacturing excellence, Mackay is a trusted name synonymous with uncompromised quality and innovation. From pioneering rubber-to-metal bonding in Australia to supplying components for iconic vehicles like the FX Holden (1948) through to the VF Holden (2017), Mackay combines heritage with cutting-edge technology. Manufactured in Melbourne and exported worldwide, Mackay hoses guarantee reliability and peace of mind for aftermarket and original equipment applications alike.

Upgrade your vehicle’s cooling system with the Mackay Lower Radiator Hose — engineered for durability, designed for performance, and built to last. Order now and experience Australian quality you can trust.