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Holden >> Monaro >> HQ >> 5.0 Litre V8 308 OHV 16v >> GTS 04/1973 - 10/1974 4 Door Sedan >> Mackay Engine Coolant Heater Hose / Manifold Inlet Hose for Holden V8 5.0L 308 Manifold Inlet Hose

Mackay Engine Coolant Heater Hose / Manifold Inlet Hose for Holden V8 5.0L 308 Manifold Inlet Hose Fits Holden Monaro HQ GTS Sedan [04/1973 to 10/1974] (5.0L 308 V8 OHV CARB)

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Mackay Engine Coolant Heater Hose / Manifold Inlet Hose for Holden V8 5.0L 308 Manifold Inlet Hose

Fitment Information:

Manifold Inlet

$10.77

Specifications
Product Type: Heater Hose / By-Pass Hose
Inside Diameter 1: 17mm
Inside Diameter 2: 17mm
Hose Length: 180mm
Material: High-Quality Heat/Ozone Resistant Rubber
Colour: Black
Temperature Rating: -40°C to 125°C
Specifications Met: SAE J20R3 Type EC Class D-1 and Class D-2
Compatible Vehicles: Holden H Series (HQ, HJ, HX, HZ, WB) 5.0L GMH 308 V8 Holden LX Torana 5.0L V8 Holden Statesman 308cid V8

Tick This part will fit the following Vehicles:

Holden Monaro HQ (5.0 Litre V8 308 OHV 16v):
  • RWD Coupe 2 Door [07/1971 to 10/1974] 179KW With Auto or Manual Transmission With: Manifold Inlet
  • GTS RWD Coupe 2 Door [07/1971 to 10/1974] 179KW With Auto or Manual Transmission With: Manifold Inlet
  • GTS RWD Sedan 4 Door [04/1973 to 10/1974] 179KW With Auto or Manual Transmission With: Manifold Inlet
  • LS RWD Coupe 2 Door [07/1971 to 10/1974] 179KW With Auto or Manual Transmission With: Manifold Inlet

Description

Mackay Heater Hose / Manifold Inlet Hose for Holden V8 5.0L 308 – Premium Australian-Made Quality

Ensure reliable coolant flow and engine protection with the Mackay CH942 Heater Hose, expertly engineered for classic Holden V8 5.0L 308 models. Proudly manufactured in Australia by Mackay, a trusted name in automotive components for over 90 years, this moulded heater hose/manifold inlet hose is crafted to meet original equipment (OE) fit and performance standards.

Key Features:

  • Exact OE Fit: Designed specifically for Holden H-Series (HQ, HJ, HX, HZ, WB) 5.0L GMH 308 V8, Statesman 308cid V8, and LX Torana 5.0L V8 models (pre ADR27A engine).
  • Premium Material: Made from high-quality heat and ozone-resistant rubber, the hose withstands engine bay temperatures from -40°C to 125°C.
  • Durability: Resistant to ozone cracking, electrochemical degradation, fatigue, splitting, and leaks — built to last in harsh automotive environments.
  • SAE Certified: Meets stringent SAE J20R3 Type EC Class D-1 and Class D-2 specifications for heater hoses.
  • Dimensions: Inside diameter 17mm (both ends), hose length 180mm, color black for a clean, OEM look.
  • Perfect For Classic Holden Vehicles: Especially suited for Statesman HJ, HQ, HX, HZ with heater, Torana LH 5.0L Pre ADR27A models, and Torana LX 5.0L from 03/1976 to 05/1976 (Pre ADR27A engine).

Important Fitment Notes:

  • Fits:
  • Holden Statesman HJ, HQ, HX, HZ 5.0L Manifold Inlet (With Heater where applicable)
  • Holden Torana LH 5.0L Pre ADR27A Engine
  • Holden Torana LX 5.0L [03/1976 to 05/1976] Pre ADR27A Engine
  • Does NOT Fit: Holden Torana LX 5.0L [06/1976 onwards]

Why Choose Mackay?

With 85 years of innovation and unmatched expertise, Mackay has been a key player in Australian automotive manufacturing—from the first bonded rubber-metal parts in the FX Holden (1948) to the last VF Holden (2017). Trusted worldwide, Mackay products reflect a relentless commitment to quality and performance.

Upgrade your Holden’s cooling system with the Mackay CH942 manifold inlet hose and experience OEM-level reliability and durability. Perfect for restoration or maintenance, it ensures your classic Holden V8 operates smoothly under even the toughest conditions.

Order your Mackay Heater Hose / Manifold Inlet Hose today and give your Holden V8 the premium care it deserves!