The Front Crankshaft Oil Seal 3104263 / 4955383 is designed to deliver reliable sealing performance for Cum mins heavy-duty diesel engines. Installed at the front end of the crankshaft, this seal helps prevent engine oil leakage while protecting internal components from dirt, moisture, and external contaminants.
Manufactured from premium heat-resistant elastomer materials with reinforced construction, this aftermarket replacement offers excellent durability under high-speed engine operation and demanding working conditions.
Suitable for Cum mins ISX15, QSX15, and X15 engines, this front crankshaft oil seal is widely applied in trucks, industrial equipment, construction machinery, and power generation systems.
| Product Name | Front Crankshaft Oil Seal |
| Part Number | 3104263 / 4955383 |
| Installation Position | Front Crankshaft |
| Material | High Temperature Resistant Rubber + Reinforced Metal |
| Condition | New Aftermarket Replacement |
| Engine Type | Heavy Duty Diesel Engine |
| Application | Engine Maintenance & Rebuild |
| Brand | JUSHENG / OEM Available |
It seals the rotating crankshaft at the front engine cover to prevent engine oil leakage and block external contamination.
Yes. It is designed as a replacement for Cum mins ISX15, QSX15, and X15 engines.
Yes. JUSHENG supports OEM branding, customized packaging, and bulk orders.
Please send your engine model, engine serial number (ESN), or OE part number for verification.
