Isuzu D-MAX / MU-X 3LT / Mazda BT-50 Intercooler 4JJ3 2020 +

Description

Overview – HPD intercooler Isuzu D‑MAX 4JJ3 2020

The HPD intercooler Isuzu D‑MAX 4JJ3 2020 is engineered to deliver superior cooling performance, durability, and reliability. This Australian-made front-mount intercooler upgrade suits the Isuzu MU-X and Mazda BT-50 with the 4JJ3 3.0L engine, providing almost double the cooling capacity of the factory system. By lowering intake temperatures and improving airflow, it ensures consistent power for towing, touring, and off-road driving.

Key Features of the HPD intercooler Isuzu D-MAX 4JJ3 2020

• Massive Bar & Plate Core (600 × 300 × 76 mm) for excellent heat dissipation
• Cast alloy end tanks with 2.5″ (63 mm) mandrel-bent alloy piping
• 10 mm billet CNC “knuckle duster” mounting brackets for strength
• CNC-welded MAP sensor boss for precise fitment
• High-quality silicone hoses and load-rated clamps
• Cold-side temps reduced to ~40 °C compared to OEM 65–70 °C under load
• Improves reliability and performance in harsh Australian conditions
• Backed by a 12-month manufacturer warranty

Specifications – HPD Intercooler for Isuzu D-MAX, MU-X, and Mazda BT-50 4JJ3

• Core Size: 600 mm × 300 mm × 76 mm
• Piping Diameter: 63 mm (front & rear)
• Materials: Aluminum bar-and-plate core, silicone hoses, stainless clamps
• Mounting Brackets: 10 mm billet CNC alloy
• Compatibility: Isuzu D-MAX/MU-X and Mazda BT-50 with 4JJ3 3.0L engine (2020+)

What’s in the Box – HPD intercooler Isuzu D-MAX 4JJ3 2020 kit

• HPD Front-Mount Intercooler (600 × 300 × 76 mm)
• Mandrel-bent alloy piping kit
• Billet CNC mounting brackets
• CNC MAP sensor boss
• Silicone hoses and clamps
• PDF fitting instructions
• 12-month warranty documentation

Vehicle Compatibility

This intercooler kit directly fits:

• Isuzu D-MAX Series III (4JJ3 3.0L) – 2020 onwards
• Isuzu MU-X 2nd Gen (4JJ3 3.0L) – 2021 onwards
• Mazda BT-50 (4JJ3 3.0L) – 2020 onwards

PDF Fitting Instructions

Download the official fitting guide here: HPD IK-DM4-F Fitting Instructions

Delivery & Lead Times

Each HPD kit is proudly built in Australia. Standard lead time is 1–2 weeks, with express delivery available depending on stock levels.

Professional Fitting Service on the Sunshine Coast

Sunshine Coast Diesel Tuning offers professional installation of the HPD intercooler Isuzu D-MAX 4JJ3 2020. Our skilled technicians guarantee precision fitment and peak performance, giving you peace of mind when towing, touring, or driving off-road.