Mackay Engine Bypass Heater Hose Pipe To Thermostat Housing – Premium OE Replacement for Mitsubishi 4M40 2.8L Turbo Diesel

Ensure reliable engine performance and cooling system integrity with the Mackay CH3899 Engine Bypass Heater Hose, expertly engineered and manufactured in Australia to meet or exceed strict OEM standards. Designed as a direct OE replacement, this high-quality hose connects the bypass pipe to the thermostat housing or water pump, specifically tailored for Mitsubishi 4M40 2.8L 4-cylinder turbo diesel engines—ideal for Mitsubishi Triton MK and Pajero NK models.

Key Features & Benefits:

• Superior Material Quality: Made from durable EPDM rubber, highly resistant to heat, ozone, and water, ensuring long-lasting service life.
• Reinforced Strength: Embedded Aramid/Rayon lockstitch reinforcement withstands tough operating conditions, preventing hose failure and eliminating electrochemical degradation (ECD).
• Precise Fitment: Direct OE replacement engineered for exact fit on Mitsubishi Pajero 2.8L variants (NK, NJ, NL) and Triton MK engines, guaranteeing hassle-free installation.
• Temperature Range: Operates reliably between -40°C to 125°C (-40°F to 257°F), suitable for demanding engine environments.
• OEM Specification Compliance: Meets SAE J20R3 Type EC standards, Class D-1 and Class D-2, certifying its quality and performance.
• Application Specific: Designed exclusively for water and coolant transfer; not suitable for fuel, oil, or brake fluid.

Fitment Compatibility:

• Mitsubishi Pajero 2.8L (NK, NJ, NL models) – Pipe To Thermostat Housing (Lower Position)
• Mitsubishi Triton MK – 4M40 2.8L Turbo Diesel

Why Choose Mackay?

With over 85 years of Australian automotive heritage, Mackay stands as a leader in manufacturing high-quality automotive components. Known for pioneering rubber-to-metal bonding and supplying parts for iconic Australian vehicles from the FX Holden (1948) through to the VF Holden (2017), Mackay commits to delivering uncompromised quality and excellence worldwide. When you choose Mackay, you’re investing in trusted durability and superior performance.

Upgrade your vehicle’s coolant system with the Mackay CH3899 Engine Bypass Heater Hose—engineered for precision, resilience, and peace of mind. Order now for a seamless replacement designed to keep your Mitsubishi running cooler and longer.