Grouped Sealing Components
The catalog presents this part as a kit rather than a single gasket. Its listed contents include multiple engine-cover and crankcase gaskets, O-rings, a drain-petcock gasket, and a rubber plug.
Honda · Genuine OEM Part
Honda 06112-GCF-A21 is cataloged as GASKET KIT B, a grouped service part containing sealing components for engine-related service. The cataloged contents include gaskets for the crankcase, right crankcase cover, outer clutch cover, oil pump body, and drain petcock, along with several O-rings and a rubber plug.
The kit is identified by its exact Honda part number and catalog name. Parts-finder records identify 06112-GCF-A23 as the newer number replacing 06112-GCF-A21, so the supersession should be considered when ordering or updating service records.
The catalog presents this part as a kit rather than a single gasket. Its listed contents include multiple engine-cover and crankcase gaskets, O-rings, a drain-petcock gasket, and a rubber plug.
The exact Honda number distinguishes this gasket kit from other kits with similar catalog names. Ordering records should account for the documented update from 06112-GCF-A21 to 06112-GCF-A23.
The available OEM parts-fiche data identifies several component types within GASKET KIT B. These entries establish the kit as a collection of engine sealing components, but the available sources do not publish a complete standalone specification sheet for the original 06112-GCF-A21 package.
| Honda Part Number | 06112-GCF-A21 |
|---|---|
| Honda Catalog Description | GASKET KIT B |
| Part Type | Gasket Kit |
| Superseded By | 06112-GCF-A23 |
| Listed component types | The catalog diagram lists gaskets, O-rings, and a rubber plug, including crankcase, right crankcase cover, outer clutch cover, oil pump body, drain petcock, an… |
| Model | Type | Model Years |
|---|---|---|
| CRF50F | Motorcycle | 2004–2009, 2011–2012 |
| CRF70F | Motorcycle | 2011–2012 |
| XR50R | Motorcycle | 2000–2003 |
Model applications as listed in Honda's dealer parts catalog for part number 06112-GCF-A21.
Verify the Honda OEM part number for your specific model before ordering.

Compatible motorcycles, ATVs & side-by-sides
Verify your vehicle's model, year and specific configuration before ordering.