Toyota Hilux Transmission Oil Cooler Kit: Heavy-Duty 4/5-Speed

Description

Overview

The Toyota Hilux Transmission Oil Cooler Kit keeps automatic transmission temperatures under control during towing, touring and off-road use. Excess heat shortens fluid life, hardens seals and can cause premature wear. By adding a dedicated cooler, your Hilux maintains a stable operating range, shift quality improves and long-term reliability increases. This Australian-ready kit is engineered for vehicles that work hard, yet it installs cleanly with model-specific brackets and clear instructions.

Whether your Hilux runs a 4-speed or 5-speed automatic, this upgrade provides consistent cooling capacity without compromising ground clearance. The result is stronger performance on hills, safer temps while towing and more confidence on long trips. Because the components are purpose-built, fitment is straightforward and serviceable, making it a smart preventative upgrade for daily drivers and touring rigs alike.

Key Features

• Purpose-built Toyota Hilux Transmission Oil Cooler Kit for 4-speed and 5-speed autos.
• Heavy-duty stacked-plate cooler for efficient heat rejection.
• Model-specific brackets for tidy, secure mounting.
• Quality hose and clamps rated for transmission fluid.
• Reduces operating temperature to protect clutches, seals and fluid.
• Improves shift consistency when towing or driving in hot conditions.
• DIY-friendly with full fitting instructions.

Specifications

• Vehicle: Toyota Hilux (4-speed & 5-speed automatic)
• Cooler type: Heavy-duty stacked-plate aluminium core
• Mounting: Vehicle-specific brackets and hardware
• Hose: Transmission-rated rubber hose with clamps
• Finish: Corrosion-resistant hardware and cooler assembly

What’s in the Box

• Heavy-duty transmission oil cooler assembly
• Model-specific mounting brackets
• Transmission hose, clamps and fasteners
• Fittings and hardware pack
• Full DIY fitting instructions

Compatibility

Designed to suit Toyota Hilux models equipped with 4-speed or 5-speed automatic transmissions. If you’re unsure about model compatibility, contact our team and we’ll confirm fitment for your build.

PDF Fitting Instructions

Download the manufacturer’s instructions and technical resources here: Wholesale Automatic Transmissions – Product Resources.

Delivery & Lead Times

Typical dispatch is 2–5 business days. Transit times vary by location and carrier. Regional or remote deliveries may require additional time. If an item is temporarily out of stock, we’ll advise the next available ship date promptly.

Professional Fitting Service on the Sunshine Coast

Prefer expert installation? Sunshine Coast Diesel Tuning offers professional fitting for this kit. Our qualified technicians install to manufacturer standards, pressure-test the system and verify operating temperatures post-install. Book your fitting on the Sunshine Coast and drive away with confidence.