INSTALLATION INSTRUCTIONS

The 49479KHD is a Heavy-Duty Transmission Cooler Kit engineered for drivers who demand superior cooling performance from their Isuzu. Built on the proven foundation of the 49479K, this upgraded kit features an Extra Large Heavy-Duty Cooler for maximum thermal protection under extreme conditions.

Specifically designed for the Isuzu D-MAX RT and MU-X UCR85/UCS85 models equipped with the 4JJ1-TCX 3.0L Turbo Diesel engine and either the A750 5-speed or AC60 6-speed automatic transmission, the 49479KHD delivers exceptional durability and cooling efficiency across Australia’s toughest environments.

With a rubber hose kit included for straightforward installation, the 49479KHD provides the ultimate safeguard for vehicles that tow, tour, or work hard every day.

Key Features:

• Extra Large Heavy-Duty Cooler – Increased core capacity for superior heat dissipation and sustained cooling under heavy load
• Maximum Thermal Protection – Ideal for high-demand towing, off-road, or commercial use
• Supports A750 & AC60 Transmissions – Compatible with both 5- and 6-speed automatics
• Engineered for the 4JJ1-TCX Diesel – Designed to suit Isuzu’s 3.0L Turbo Diesel powerhouse
• Rubber Hose Kit Included – Heat-resistant and flexible for easy, secure installation
• Prevents Heat Stress & Fluid Breakdown – Maintains transmission performance and longevity
• Built for Tough Conditions – Perfect for towing, touring, or heavy-duty work applications

When performance and protection matter most, the 49479KHD delivers unmatched cooling capacity to keep your D-MAX or MU-X operating at peak performance – no matter the challenge.