3968562 Front Crankshaft Oil Seal for Cummins 6CT ISC ISL Engines
Premium aftermarket 3968562 front crankshaft oil seal – direct replacement for Cummins engines including 6CT, ISC, ISL, QSL 8.3L 8.9L 9.3L series (equiv. 3921927).
Brand:CUMMINS / WINSCHEN
Country of Origin:CHINA
Minimum order quantity:1 PCS
Delivery time:1-3 Days
SKU:CMI-3968562
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
3968562 Front Crankshaft Oil Seal – High-Quality Aftermarket Replacement for Cummins Engines
Prevent oil leaks and protect your Cummins engine’s crankshaft with this premium aftermarket 3968562 front crankshaft oil seal. Engineered as a direct OEM replacement (equivalent to 3921927), it provides reliable sealing to retain lubricant and block contaminants, ensuring smooth operation and extended engine life in heavy-duty applications.
Key Benefits for Contractors and Operators
- Prevents Costly Oil Leaks: Keeps lubricant in and dirt out, protecting bearings and reducing wear in high-vibration environments.
- Direct Fit Installation: Matches genuine Cummins specs for quick, no-modification replacement – minimize downtime and get back to work faster.
- Built Tough for Heavy Duty Use: High-grade material resists abrasion, heat, and pressure for longer service life.
- Cost-Effective Alternative: OEM-level performance at aftermarket pricing – ideal for fleet maintenance and budget-conscious repairs.
- Fast Shipping: In stock and ready to ship within 1-3 days.
Compatible Cummins Models
This front crankshaft oil seal is commonly used in engines including (verify your machine’s parts manual for exact fit):
- 6CT, ISC, ISL, QSL series
- 8.3L, 8.9L, 9.3L engines
- And related Cummins-powered equipment like trucks, generators, and marine applications
Specifications
| Part Number | 3968562 (equiv. 3921927) |
| Type | Front Crankshaft Oil Seal |
| Application | Engine Crankshaft Sealing |
| Material | High-Quality Durable Rubber |
| Origin | China (Premium Aftermarket) |
| MOQ | 1 Piece |
Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.




















