Mackay Engine Bypass Heater Hose for Mercedes-Benz Classic W111 W114 – 31mm ID Thermostat Housing to Water Pump
Upgrade your classic Mercedes-Benz cooling system with the Mackay CH1092 Engine Bypass Heater Hose, precision-engineered to meet or exceed original equipment (OE) standards. Designed in Australia for durability and performance, this premium hose is the perfect replacement for your Mercedes-Benz 6-cylinder petrol vehicles from 1959 onwards, including iconic W111 and W114 models.
Key Features:
- OE Quality & Reliability: Crafted from formulation-strengthened EPDM rubber, this hose delivers outstanding resistance to heat, water, ozone, and electrochemical degradation (ECD), ensuring long-lasting performance under demanding conditions.
- Reinforced Strength: Embedded with a Rayon knitted and Aramid lockstitch reinforcement layer, providing enhanced durability to withstand harsh automotive cooling environments.
- Perfect Fitment: Designed specifically for the thermostat housing to water pump connection on:
- Mercedes-Benz 230 W123 2.3L (02/1976 to 08/1980)
- Mercedes-Benz 230.4 W115 2.3L
Note: Not compatible with Mercedes-Benz 230 W123 2.9L models.
- Precision Dimensions: Inside Diameter of 31mm and 110mm length, engineered to OEM specs for a secure fit and flawless operation.
- Wide Temperature Range: Performs reliably from -40°C to 125°C (-40°F to 257°F), ideal for classic vehicle cooling systems.
- Standards Compliant: Meets SAE J20R4 Class D-1 and SAE J20R3 Type EC Class D-1 & D-2 requirements.
- Coolant System Use Only: Exclusively designed for coolant applications; not suitable for fuel, oil transfer, transmission, or brake fluids.
Why Choose Mackay?
For over 85 years, Mackay has represented uncompromising quality and innovation in Australian automotive manufacturing. From the first FX Holden in 1948 to modern vehicles, Mackay has built a legacy of trusted original equipment parts and aftermarket excellence—exported globally from Melbourne. When you choose Mackay, you’re investing in proven Australian craftsmanship and reliability.
Perfect for Mercedes-Benz Classic Enthusiasts
Restore your classic W111 or W114 Mercedes-Benz with confidence using the Mackay Engine Bypass Heater Hose. Delivering OEM-level durability and fitment, it’s the critical component your engine cooling system deserves.
Order now to secure a genuine Mackay hose engineered for longevity, performance, and peace of mind on the road!