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4D56 ENGINE CYLINDER HEAD
Mitsubishi 4D56T 8V Complete Cylinder Head 908612 - Image 2
Mitsubishi 4D56T 8V Complete Cylinder Head 908612 - Image 3
Mitsubishi 4D56T 8V Complete Cylinder Head 908612 - Image 4
Mitsubishi 4D56T 8V Complete Cylinder Head 908612 - Image 5
Mitsubishi 4D56T 8V Complete Cylinder Head 908612 - Image 6
Mitsubishi 4D56T 8V Complete Cylinder Head 908612 - Image 7

Mitsubishi 4D56T 8V Complete Cylinder Head 908612

Brand new 2.5L 4D56T cylinder head assembly for Mitsubishi L200, Pajero, Delica, L300, Triton and Hyundai Galloper, supplied with valves and camshaft pre-installed.

Manufactured to OEM specifications with an aluminium alloy casting and SOHC 8-valve architecture with prechambers. Pressure-tested and flatness-checked, ready to accept your existing manifolds, injectors and ancillaries. 12-month warranty and worldwide shipping available.

  • Engine Code: 4D56T / 4D56 (SOHC 8V, turbo diesel)
  • Displacement: 2.5 Litre (2477 cc)
  • Configuration: Inline 4-cylinder, SOHC 8-valve (2 valves per cylinder), Turbo Diesel (indirect injection with prechambers, timing belt)
  • Fuel Type: Diesel
  • Condition: New – Cylinder Head Assembly (Valves & Camshaft Pre-Installed)
  • OEM: AMC 908612 / 908612K · MITSUBISHI MD109736, MD139564, MD185922, MD185926, MD185920 (verify against your original casting before ordering)
  • Warranty: 12 months
  • Compatible models: Mitsubishi L200 / Triton (K60T, KA, KB, Mk2), Pajero / Montero / Shogun (L040, V20, V60, V6W, 57W, Classic, Sport), L300 / Delica III (P0V, P1V, P2V), Space Gear, Hyundai Galloper I, H100, Pregio — confirm via OEM number and engine code
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Description

Mitsubishi 4D56T Cylinder Head Assembly – L200 / Pajero / Delica / L300 / Triton

This Mitsubishi 4D56T cylinder head assembly is a brand new, factory-fresh replacement for the 2.5-litre turbo diesel engine used across the L200, Pajero, Delica, L300 and Triton ranges. It is supplied with valves and camshaft fitted — intake and exhaust valves, springs, retainers, stem seals, guides and the SOHC camshaft with rocker assembly are already installed, so the head arrives ready for installation after transferring your external components.

What’s Included – Fitted to the Head

  • Complete aluminium cylinder head casting — pressure-tested and flatness-checked
  • 8 valves — intake and exhaust, heat-resistant (2 per cylinder)
  • Valve springs, spring seats and retainers
  • Valve stem seals and valve guides — fitted
  • Camshaft — SOHC, 8-valve profile
  • Rocker arms and rocker shaft — fitted
  • Prechambers — installed and sealing-checked
  • Camshaft bearing caps — torqued to specification
  • Core plugs and oil gallery plugs — installed

What you transfer from your original head: valve cover, timing belt kit (belt, tensioner and idler), head bolts (always fit new stretch bolts — 4D56 head bolts are torque-to-yield and must be replaced), head gasket and remaining gaskets, fuel injectors, glow plugs, intake manifold, exhaust manifold, turbocharger and any sensors or brackets mounted to the head. 

Vehicle Compatibility — Model and Engine Code Detail

The Short Description lists the basic model range. The fitment below is the model and chassis-code level detail needed to confirm the correct casting before ordering. The 4D56 casting is shared across a very wide range of Mitsubishi and licence-built platforms, but turbo vs non-turbo, emission equipment and intake manifold design differ between model years and markets — match the OE reference and chassis code to your original head.

  • Mitsubishi L200 / Triton — K60T, KA, KB, Mk2 (2.5 TD / 2.5 TDiC, 4WD and RWD), 1986–2015
  • Mitsubishi Pajero / Montero / Shogun — L040, V20, V60, V6W, 57W, Classic, Sport (2.5 TD / 2.5 TDiC), 1986–2026
  • Mitsubishi L300 / Delica III — P0V, P1V, P2V (2.5 D / 2.5 TD), 1986–2007
  • Mitsubishi Space Gear / L400 — 2.5 TD applications
  • Hyundai Galloper I — 2.5 TD (licence-built 4D56)
  • Hyundai H100 / Pregio — 2.5 TD / 2.5 TCi D applications

This cylinder head is specific to the 4D56 / 4D56T 2.5L SOHC 8-valve diesel engine. It is NOT interchangeable with the later 4D56 common-rail (DOHC 16V) head, the 4M40 / 4M41, or any petrol engine in the Mitsubishi range.

OEM Part Number Cross-Reference

  • AMC: 908612 (with camshaft, valves, springs, guides, seats and prechambers); 908612K (with screw set); 908512 (bare head — without valve components)
  • MITSUBISHI: MD109736, MD139564, MD185922, MD185926, MD185920
  • Related references: 22100-42900, 22001-427A1, MD303750, MD348983, MD351277

Why Buy This 4D56T Cylinder Head Assembly

  • 100% brand new — not reconditioned or repaired
  • Pressure-tested and vacuum-tested for leaks and porosity before dispatch
  • Flatness-checked to OEM tolerance — critical on the 4D56, which warps readily if overheated
  • Valves, rocker assembly, prechambers and camshaft pre-installed — saves hours of fitting time
  • Correct 4D56 casting for L200, Pajero, Delica, L300, Triton and Galloper applications
  • Fast global shipping to port or door

Packaging & Shipping

For single-unit orders, each cylinder head is packed in a carton with shock-absorbing foam to protect the casting, valve train and machined surfaces during transit. For bulk orders, the carton-packed units are palletized for shipment, providing stable handling and efficient freight loading. This packaging is designed for heavy goods and international freight, and helps ensure the cylinder head arrives ready for installation.

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