V2203 V2403 Main and Rod Bearing Set supports crankshaft rebuilding for B2B excavator engine parts repair and wholesale sourcing.
The V2203 V2403 Main and Rod Bearing Set YNF18982 is supplied for compatible diesel engine crankshaft and connecting rod rebuilding applications. The main bearing shells are installed around the crankshaft main journals, while the connecting rod bearing shells are installed between the connecting rods and crankshaft journals.
During engine operation, these bearing surfaces allow rotational movement to be supported while direct metal-to-metal contact is reduced by the engine lubrication system. Excessive bearing wear, scoring, or incorrect clearance can affect oil pressure, crankshaft operation, and overall rebuilding quality.
For B2B buyers, the V2203 V2403 engine bearing shells should be confirmed by engine model, bearing position, standard or repair size requirement, crankshaft journal dimensions, and existing-part markings before quantity purchasing. Accurate matching helps rebuilders reduce machining errors, incorrect stock, and repeated freight costs.
| Parameter | Specification |
|---|---|
| YNF Part Number | YNF18982 |
| Product Name | Main & Connecting Rod Bearing Set |
| Alternative Name | Main Bearing Shell / Rod Bearing Shell / Crankshaft Bearing Set |
| Product Type | Diesel Engine Bearing Component |
| Parts Category | Engine / Crankshaft & Connecting Rod Parts |
| Engine Model | V2203 / V2403 |
| Set Type | Main Bearing + Connecting Rod Bearing |
| Main Function | Supports Crankshaft Rotation and Journal Protection |
| Main Bearing Position | Crankshaft Main Journal Area |
| Rod Bearing Position | Connecting Rod Big End / Crankshaft Journal |
| Application | Compatible Diesel Engine Overhaul |
| Material | Engine Bearing Metal |
| Size Requirement | Standard / Repair Size to Be Confirmed |
| Fitment Check | Engine Model / Bearing Marking / Journal Size / Existing Part Photo |
| Quality Type | Aftermarket Replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Set |
| Shipping Method | Air, Sea, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application | Description |
|---|---|
| V2203 Diesel Engine | Used in compatible crankshaft and connecting rod assemblies |
| V2403 Diesel Engine | Suitable where bearing dimensions are confirmed |
| Engine Overhaul | Commonly inspected or renewed during engine rebuilding |
| Crankshaft Repair | Used around compatible crankshaft journal positions |
| Connecting Rod Repair | Bearing shells are installed at the rod big-end area |
| Oil Clearance Restoration | Correct bearing size supports required journal clearance |
| Engine Rebuild Workshop | Suitable for professional diesel engine repair |
| B2B Parts Stocking | Practical for wholesalers, dealers, and importers |
Q: What is included in YNF18982?
A: It is identified as a combination of main bearing shells and connecting rod bearing shells.
Q: What is the difference between main and rod bearings?
A: Main bearings support the crankshaft in the engine block, while rod bearings are installed between the connecting rods and crankshaft journals.
Q: Which engines are associated with this set?
A: The supplied engine references are V2203 and V2403.
YNF Machinery supplies V2203 V2403 main and connecting rod bearings and related diesel engine overhaul parts for rebuilders, machinery dealers, wholesalers, and international importers.
The YNF18982 bearing shell set is intended for compatible crankshaft rebuilding requirements. Because engine bearings may be supplied in standard or different repair sizes, buyers should confirm the crankshaft condition and required bearing specification before ordering.
Professional buyers can provide the V2203 or V2403 engine model, required quantity, bearing markings, crankshaft journal measurements, and photos of the removed shells for confirmation.
Pistons, piston rings, cylinder liners, connecting rod bushings, gasket kits, crankshaft components, and other V2203 / V2403 engine parts can also be included in the same inquiry for more efficient overhaul-parts purchasing.
