Product Description
The WZKQBN JL-004 cylinder head assembly is a replacement part for Honda GX340, GX390, and 188F 389cc horizontal-shaft 4-stroke gasoline engines. The assembly includes the cylinder head, valve cover, valves, rockers, push rods, valve spring, spark plug, insulator, gaskets, bolts, and nuts. A 10-piece feeler gauge set and GX340/GX390 push rods are also included. The cylinder head is made from cast aluminum and has a machined finish. This aftermarket assembly is intended for horizontal-shaft engines and is not compatible with vertical-shaft GXV series or iGX electronic-control engines.
Product Specifications
BrandWZKQBN
ManufacturerWZKQBN
Manufacturer Part NumberJL-004
Item Weight6.3 pounds
ModelJL-004
Package Dimensions7.5 x 6.9 x 6.5 inches
Item model numberJL-004
ExteriorMachined
OEM Part Number12200-ZF6-406,12200ZF6406,12200-ZF6-W00,122A0-ZE3-010, 12200ZF6W00,12210-Z5T-416, 12391-ZE2-000, 12210Z5T416
Explicit Manufacturer Part NumberJL-004
Explicit OE/OEM Part Numbers12200-ZF6-406, 12200ZF6406, 12200-ZF6-W00, 122A0-ZE3-010, 12200ZF6W00, 12210-Z5T-416, 12391-ZE2-000, 12210Z5T416
MaterialCast aluminum
FinishMachined
Included componentsCylinder head, valve cover, valves, rockers, push rods, valve spring, spark plug, insulator, head gasket, valve cover gasket, carburetor gasket set, muffler gasket, bolts, and nuts
Included tool10-piece feeler gauge set
Engine configurationHorizontal shaft; 4-stroke gasoline
ExclusionsNot for vertical-shaft GXV series or iGX electronic-control engines
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|
| — | Honda | GX340 | 389cc horizontal-shaft 4-stroke gasoline engine | |
| — | Honda | GX390 | 389cc horizontal-shaft 4-stroke gasoline engine | |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.