Complete Cylinder Head Assembly for Hyundai G4EH G4EK 1.3L 1.5L SOHC Petrol Engine

Bare Cylinder Head Product NO.

ML NO.	OEM NO.	REF NO.
MLG088A	22100-22620 22100-22600 22100-22021 22100-22021
MLG088B
MLG088C

G4EK cylinder head assembly G4EH 1.3L head complete Hyundai Accent Excel cylinder head 22100-22500 cylinder head Kia Avella Pride engine head Hyundai SOHC head top-end Hyundai G4EK top-end rebuild kit

Product Description

This complete cylinder head assembly is designed for the Hyundai G4EH 1.3L and G4EK 1.5L SOHC (Single Overhead Camshaft) 12-valve petrol engines. These engines are widely used in compact Hyundai and Kia vehicles from the 1990s through early 2000s, known for their fuel economy and simplicity.

The head comes fully assembled with camshaft, valves, and valve springs, made from OEM-grade aluminum alloy, CNC-machined and pressure-tested to ensure leak-free operation and long-term reliability.

Technical Specifications

Specification	G4EH	G4EK
Displacement	1.3L (1341cc)	1.5L (1495cc)
Engine Type	Inline-4, SOHC 12V	Inline-4, SOHC 12V
Valves	3 per cylinder (12 total)
Fuel Type	Petrol (Gasoline)
Fuel System	Multi-Point Fuel Injection (MPFI) / Carbureted (varies by region)
Camshaft Drive	Timing belt
Head Material	Cast aluminum alloy
Cooling System	Water-cooled
Emissions	Euro 2 / Euro 3 (varies by market)

Assembly Includes (Pre-installed)

Cylinder head casting (OEM-spec aluminum)
Intake and exhaust valves
Valve springs, keepers, and retainers
Valve stem seals
Camshaft (SOHC)
Camshaft bearings and caps
Rocker arms / lifters (if equipped)
Valve guides and valve seats

Ready for bolt-on installation. Fully pressure-tested before shipping.

Parts Required for Installation (Not Included)

Cylinder head gasket
Cylinder head bolts (torque-to-yield)
Timing belt and tensioner
Rocker cover gasket
Intake and exhaust manifold gaskets
Oil and coolant replacement
Fresh spark plugs and injector seals (optional)

Compatible Vehicles

Hyundai Models:

Hyundai Excel / X3 1.3 / 1.5
Hyundai Accent (1994–2000)
Hyundai Scoupe 1.5L (early models)
Hyundai Pony
Hyundai Click (some markets)

Kia Models (with G4EK under license):

Kia Avella
Kia Pride
Ford Aspire (rebadged Kia/Hyundai for US market)

Carburetor and MPFI versions may differ in sensor ports and intake bolt pattern. Confirm engine code before order.

OEM Part Numbers (Reference)

G4EH

22100-22050
22100-22010

G4EK

22100-22500
22100-22501
22100-22600
22100-22510
(Reference may vary by emission setup and intake configuration)

Common Engine Issues Solved

Problem	Cause	Solution
Cylinder head cracks	Overheating or detonation	New casting with full pressure testing
Oil consumption or smoke	Worn valve stem seals	New seals included and installed
Valve noise / ticking	Worn cam or lifters	Camshaft and followers pre-installed
Compression loss	Warped head / valve leak	Resurfaced deck and new valve seats
Coolant-oil mixing	Head or gasket failure	Full sealing surface tested and verified

Installation Tips

Always use a new head gasket and new bolts.
Clean the cylinder block and check for flatness.
Align the timing belt and camshaft properly before crank rotation.
Set proper valve clearance if manual rocker design is used.
Refill fresh oil and coolant; bleed the system completely.
Inspect spark plugs and injectors while the head is removed.
After starting, allow the engine to warm up and recheck for leaks.

Target Export Markets

The G4EH/G4EK engines are popular in:

Asia: Philippines, Pakistan, India, Bangladesh
Middle East: Iran, Iraq, Jordan, Egypt
South America: Peru, Bolivia, Colombia
Africa: Nigeria, Kenya, South Africa
Eastern Europe: Ukraine, Turkey, Russia

Used by:

Compact car repair centers
Engine reconditioners
Rebuild shops for taxis/fleet vehicles
Hyundai/Kia parts importers
Budget vehicle engine swap markets