Complete Cylinder Head Assembly for Hyundai Kia D4CB 2.5L CRDi Turbo Diesel Engine DOHC 16V

Bare Cylinder Head Product NO.

ML NO.	OEM NO.	REF NO.
MLG046A	221004A025 221004A020 221004A030 221004A040 221004A050 221004A060 221004A025	908751 908754
MLG046B	221004A025 221004A020 221004A030 221004A040 221004A050 221004A060 221004A025	908751 908754
MLG046C	221004A010	908753 908756
MLG046D	221004A210 221004A250 221004A410 221004A400	908752 908755
MLG046E	22100-4A300 22100-4A310	908776 908777
MLG046F	221004A701 221004A700 221004A600 5J0254AU00 5J0154AU00	908778 908779

D4CB cylinder head assembly Hyundai H-1 2.5 CRDi head Kia Bongo diesel engine head 22100-4A000 complete cylinder head DOHC 16-valve diesel top end Hyundai Porter 2.5L head replacement D4CB CRDi head with camshafts

Product Description

This fully assembled cylinder head is designed for the Hyundai/Kia D4CB 2.5L CRDi turbo diesel engine, used in Hyundai H-1, Starex, Porter II, and Kia Bongo models. The head features a DOHC 16-valve layout and supports common rail direct injection (CRDi) systems with or without EGR and intercooler.

Manufactured from high-quality aluminum alloy, machined to OEM specification, and pressure-tested for performance and durability. Ideal for engine rebuilds or top-end overhauls.

Technical Specifications

Parameter	Specification
Engine Code	D4CB
Displacement	2.5L (2497cc)
Configuration	Inline-4
Valvetrain	DOHC – 16 valves
Fuel System	Common Rail Direct Injection (CRDi)
Turbocharged	Yes
Cooling System	Water-cooled
Cylinder Head Material	Cast Aluminum
Camshaft Drive	Timing Chain
Compression Ratio	~17.3:1
Emission Equipment	With/without EGR
Manufacturing Standard	OEM-compliant

Assembly Includes (Pre-installed)

Cylinder head casting
Intake and exhaust valves
Valve springs, retainers, keepers
Valve stem seals
Camshafts (DOHC)
Camshaft caps/bearings
Rocker arms or followers
Hydraulic lifters
Valve guides and seats

Pre-assembled and pressure-tested, ready to install.

Required Accessories for Installation (Not Included)

Item	Recommendation
Cylinder head gasket	Must replace
Cylinder head bolts	Must replace
Rocker cover gasket	Replace
Timing chain kit	Inspect or replace
Intake/exhaust gaskets	Replace
EGR gasket	Replace if equipped
Injector seal kit	Replace
Engine oil & coolant	Must replace

Compatible Vehicles

Hyundai

H-1 / Grand Starex / iLoad / iMax
Porter II (Truck)
H200 / Libero / Satellite

Kia

Bongo III
Pregio 2.5 CRDi
Early Sorento (regional variants)

Note: Some versions have EGR and intercooler — confirm before purchase.

Common OEM Part Numbers

22100-4A000
22100-4A010
22100-4A100
22100-4A300
22100-4A301
22100-4A302
22100-4A303

Common Faults Solved

Fault	Solution
Cracked or warped head	New casting, pressure-tested
Valve leakage	New valves, seats, and seals
Camshaft wear or seizure	Includes new cams & bearings
Compression loss	Machined deck, sealed components
Misfire or smoke	Pre-aligned valve train, new guides

Installation Tips

Clean and check the block surface for flatness.
Follow correct torque sequence and specifications.
Align camshafts properly with timing chain.
Bleed the cooling system completely.
Prime the oil system before first startup.
Check for leaks and run a compression test post-installation.

Export Market Distribution

Supplied to:

Asia: Philippines, Indonesia, Vietnam
Middle East: UAE, Iraq, Iran
Africa: Kenya, Egypt, South Africa
South America: Chile, Peru, Bolivia
Europe: Ukraine, Turkey

Preferred by:

Engine rebuilders
Fleet maintenance shops
Diesel service garages
Auto parts distributors