Mackay Bottom Radiator Hose Lower for Holden Monaro HT HG 5.7L 350 V8 (1969-1971)

Ensure your classic Holden Monaro HT or HG 5.7L V8 runs cool and reliable with the Mackay Bottom Radiator Hose Lower—an OE-quality replacement engineered for peak performance and durability.

Premium Quality and Perfect Fit

Manufactured from tough, heat and ozone-resistant EPDM rubber, this radiator lower hose is designed to meet or exceed original equipment standards. Developed and tested in Australia, it guarantees a direct fit for your Holden Monaro HT and HG (1969-1971), ensuring consistent cooling efficiency and peace of mind on every drive.

Advanced Durability Features

This hose features embedded Aramid or Rayon lockstitch reinforcement, delivering exceptional burst protection under high-pressure, harsh under-bonnet conditions. Its advanced formulation also protects against electrochemical degradation caused by electrical reactions between coolant and engine metals, extending hose life and maintaining system integrity.

Designed for Automotive Cooling Systems

Ideal for water and engine coolant transfer only; not suitable for fuel, oil, transmission, or brake fluids. Complies with SAE J20R4 Type EC Class D-1 and Class D-2 standards, making it a robust and reliable choice for your vehicle’s cooling needs.

Specifications:

• Brand: Mackay
• Placement: Lower / Bottom Radiator Hose
• Material: EPDM Rubber with Aramid/Rayon Lockstitch Reinforcement
• Inside Diameter: 44mm (Bell ID: 45mm)
• Length: 380mm
• Resistance: Heat, Ozone, and Electrochemical Degradation Resistant
• Alternative Part Number: Gates 05-0120

Vehicle Fitment:

• Holden Monaro HT 5.7L V8 (1969-1971) – Lower Radiator Hose
• Holden Monaro HG 5.7L V8 (1969-1971) – Lower Radiator Hose

Why Choose Mackay?

With over 85 years of Australian automotive manufacturing heritage, Mackay is synonymous with reliability and excellence. From pioneering rubber-to-metal bonding to supplying parts for the first and last Australian-made Holdens, Mackay continues to set the standard for quality automotive components worldwide. Invest in genuine Mackay parts and drive with confidence that your classic Holden is fitted with the very best.

Upgrade your Holden Monaro’s cooling system with the Mackay Bottom Radiator Hose Lower — tough, precise, and built to last. Order now to maintain your vehicle’s legendary performance and longevity!