6221-21-8010 METAL ASS'Y is a precision-engineered main bearing assembly, specifically designed for Komatsu S6D108, SA6D108, and SAA6D108E engine applications. Manufactured with durable bearing materials and precision-engineered surfaces, this main bearing assembly provides reliable crankshaft support, stable lubrication clearance, and excellent wear resistance for demanding construction, mining, and heavy-duty equipment operations.
| Item | Specification |
|---|---|
| Product Name | Metal Ass’y |
| Part Number | 6221-21-8010 |
| Brand | Komatsu |
| Machine Model | S6D108 / SA6D108 / SAA6D108E |
| Weight | 2.0 kg |
| Material | Precision-engineered bearing material with a durable steel-backed construction and bearing alloy surface, designed to support the crankshaft and provide reliable wear resistance and lubrication performance. |
| Condition | Brand New – Genuine |
| Warranty | 6 Months |
| Packaging | Standard Export Carton |
| Availability | Generally in stock |
The 6221-21-8010 METAL ASS’Y is used with Komatsu equipment powered by compatible S6D108 / SA6D108 / SAA6D108E engine configurations, including:
Compatibility may vary according to engine version, machine configuration, and serial number. If you are unsure whether 6221-21-8010 is the correct bearing assembly for your engine, please provide your engine serial number (E/S), machine serial number (PIN), or original part number. Our technical team will verify compatibility before shipment.
The Komatsu 6221-21-8010 Main Bearing Ass’y is primarily used in engine repair and overhaul applications.
Typical applications include:
The precision-engineered bearing assembly helps provide reliable crankshaft support, proper lubrication clearance, and stable engine performance under demanding operating conditions.
YLCM specializes in supplying Komatsu engine components, bearing assemblies, engine overhaul parts, and replacement parts to customers worldwide.
We provide:
In addition to main bearing assemblies, YLCM supplies connecting rod bearings, piston rings, pistons, cylinder liners, gaskets, oil seals, engine overhaul kits, water pumps, turbochargers, and other Komatsu engine parts.
The 6221-21-8010 METAL ASS’Y is professionally packaged to protect the precision bearing surfaces from dust, moisture, impact, and contamination during international transportation.
Packaging options include:
Packaging and shipping methods can be selected according to order quantity, destination, and customer requirements.
Looking for the 6221-21-8010 METAL ASS’Y for Komatsu S6D108/SA6D108/SAA6D108E?
Contact YLCM today to receive:
Please provide your part number, engine model, and serial number where available. Our experienced sales team will verify the correct bearing application and provide a competitive quotation tailored to your engine repair or overhaul requirements.
