Expansion Tank for Mitsubishi Triton 2.5 DI-D 4D56 (KAT/KBT)(2007–2016) – ET40

Vehicle Fitment & Part Details

This Partquip ET40 expansion tank is a direct-fit replacement for the Mitsubishi Triton (KAT/KBT) 2.5 DI-D with the 4D56 engine (20072016). The expansion tank stores excess coolant as it expands under heat, releasing it back into the cooling circuit once the engine cools. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN/engine/chassis information where variants exist.

Key Details

SKU

ET40

Component

Expansion Tank

Brand

Partquip

OEM References

• Mitsubishi: MN135072

Primary Fitment

Mitsubishi Triton (KAT

Key Benefits

• Direct OE replacement (MN135072) ensures correct fit and function on the Triton 2.5 DI-D.
• Durable plastic construction engineered to withstand repeated thermal cycling in the cooling circuit.

Vehicle Fitment

Specifications

• Material: Plastic
• Chassis: KAT / KBT
• SKU: ET40

OE Reference Numbers

• Mitsubishi: MN135072

Frequently Asked Questions

This expansion tank replaces Mitsubishi OE number MN135072, ensuring a direct fit on the Triton 2.5 DI-D (KAT/KBT).

Installation Tips

• Allow the engine to cool completely before opening the cooling system to avoid scalding.
• Drain coolant below the tank level before removing the old expansion tank.
• Inspect all connected hoses and clamps for cracks or wear replace any suspect components while access is clear.
• Refill with the manufacturer-specified coolant type and bleed the system of air pockets to prevent overheating.