| Brand Compatibility | Yanmar (fits Yanmar, Komatsu excavators with 4TNA84 engines; compatible with 4TN84, 4TNB84, 4TN84L engine variants) |
|---|---|
| Engine Model | 4TNA84, 4TN84, 4TNB84, 4TN84L (2.2L 4-cylinder inline water-cooled diesel engine, 84mm bore) |
| OE Number (OEM & Aftermarket) | OEM: 129405-01330, 729405-92630, 12940501330; Aftermarket: 12940501331, 4TNA84HEADGASKET, 72940592631 |
| Excavator Models | Yanmar B5, B5-2, B6, B50, YB281X; Komatsu PC20-7, PC40-7, PC45-1, PC15-3; Yanmar-powered light-duty construction machinery |
| Kit Type | Head Gasket Kit (Cylinder Head Gasket Focus) |
| Material | Multi-layer steel (MLS), graphite, stainless steel composite, heat-resistant elastomers; cylinder head gasket: 3-layer MLS with graphite coating for superior sealing performance |
| Included Components | Cylinder head gasket (core component), valve stem seals, cylinder head cover gasket, intake/exhaust manifold gaskets (partial), cylinder head bolt gaskets, and necessary sealing accessories for cylinder head installation |
| Warranty | 1 year (standard), 18 months optional for OEM orders |
| OEM Service | Available (customized branding, packaging, and technical specifications; MOQ negotiable) |
| Certification | ISO9001, CE |
