Yanmar 4D84-3 Full Gasket Kit for Komatsu & Kobelco Excavators
Our 4D84-3 full gasket kit is a high-quality replacement part (OEM & aftermarket available), specifically engineered for Yanmar 4D84-3 series diesel engines. It perfectly fits Komatsu, Kobelco and other brand excavators powered by 4D84-3 engines, providing all essential gaskets and seals for engine rebuild to prevent oil and gas leaks, ensuring stable performance in heavy-duty construction scenarios. We support OEM production with customized branding, packaging and specifications to meet your business needs.
Product Specifications
| Brand Compatibility |
Yanmar (fits Komatsu, Kobelco excavators with 4D84-3 engines) |
| Engine Model |
4D84-3, 4D84E-3, 4D84-3GB |
| OE Number (OEM & Aftermarket) |
OEM: 129002-22090, 129408-01330, 129002-22510; Aftermarket: 129002-22091, 4D843GASKET, 129408-01331 |
| Excavator Models |
Komatsu PC40, PC45R-8, PC50UU-2, PC50MR-3; Kobelco SK40SR-2; Mustang 2040, 2050; Daewoo 1340XL |
| Kit Type |
Full Engine Overhaul Gasket Kit |
| Material |
Multi-layer steel (MLS), graphite, heat-resistant elastomers, durable composite materials |
| Included Components |
Cylinder head gasket, intake/exhaust manifold gaskets, valve cover gaskets, oil pan gaskets, crankshaft/camshaft seals, valve stem seals, O-rings and all necessary sealing parts |
| Warranty |
6 months (12 months optional for OEM orders) |
| OEM Service |
Available (customized branding, packaging, and technical specifications) |
| Certification |
ISO9001, CE |
Key Features
- Precise Fit: Meets/exceeds Yanmar OEM standards, fully compatible with 4D84-3, 4D84E-3 series engines
- Durable & Leak-Proof: Resists high temperature, pressure and corrosion, suitable for tough construction environments
- All-in-One Solution: No need for multiple purchases, saving time and cost for engine overhaul
- Dual Options: High-quality OEM and aftermarket versions available to meet different budget needs
- Wide Compatibility: Fits popular Komatsu, Kobelco, Mustang, Daewoo excavators/construction machinery powered by 4D84-3 engines
Applications
Suitable for Komatsu PC40, PC45R-8, PC50UU-2, PC50MR-3; Kobelco SK40SR-2; Mustang 2040, 2050; Daewoo 1340XL excavators and other construction machinery powered by Yanmar 4D84-3 series engines.
Order Information
MOQ: 1 set | Lead Time: 3-5 business days (standard); 7-10 days (OEM) | Packaging: Neutral or customized (OEM) | Shipping: Worldwide (DHL/FedEx/UPS/Sea Freight)
Why Choose Us?
100% compatibility with Yanmar 4D84-3 engines; premium materials for long service life; cost-effective OEM/aftermarket options; professional OEM customization; worldwide shipping and technical support.