Description
Overview:
This crankcase (timing case) cover gasket is a Genuine Honda part for small petrol engines, including the GX120 and GX120K1. Made from an oil‐resistant fibre composite, it sits between the crankcase and the timing case/side cover to create a reliable seal. The gasket helps prevent oil leaks, keeps contaminants out, and supports efficient engine operation over repeated heat cycles. It is a direct OEM replacement, manufactured to Honda's specifications for accurate alignment of bolt holes and passages. Suitable for engines used across compact construction and garden machinery such as generators, water pumps, plate compactors and mixers, it restores sealing integrity during routine maintenance or a rebuild. Manufacturer Part Number (MPN): 11381-ZH7-800. Genuine Honda Part.
Key Features:
- Genuine Honda OEM gasket for the GX120 family (MPN 11381-ZH7-800)
- Oil‐resistant fibre composite material for durable sealing
- Precise fit with correct profile and bolt pattern for easy installation
- Helps prevent oil leaks and ingress of dust and debris
- Stable sealing across repeated heat and vibration cycles
- Suitable for routine servicing, leak repair, or full engine overhauls
- Compatible with multiple GX120 variants for broad fleet support
- Direct replacement part; no modifications required
Typical Applications:
Used when refitting the timing case/side cover during servicing, leak repair, or engine rebuilds on Honda GX120-powered equipment. Common on generators, water pumps (including WB20XT), plate compactors, cement mixers, tillers, and other compact machinery where a secure crankcase cover seal is essential for reliable operation.
Also known as:
Side cover gasket, timing gear cover gasket, front case gasket, crankcase side cover seal, engine side cover seal, timing case cover seal, housing cover gasket.
Fits Models:
GX120, GX120K1, GX120T1, GX120T2, GX120U1, GX120UT1, GX120UT2, WB20XT
Alternate Part Numbers:
11381-ZH7-800, 11381ZH7800
Product Specifications
| L&S Part No. | 11381 ZH7 800 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Honda |
| OEM No. | 11381ZH7800 |
| Unit of Sale | 1 |
| Applications | GX120, GX120K1, GX120T1, GX120T2, GX120U1, GX120UT1, GX120UT2, WB20XT |
| Machine Type | Engines |
| Fits Brands | Honda |
| Fits Models | WB20XT | GX120K1 (GC01) | GX120T1 (GCAAT) | GX120UT1 (GCAGT) | GX120U1 (GCAHK) | GX120UT2 (GCBMT) | GX120T2 (GCBNT) |
