4890832 Front Crankshaft Oil Seal for Cummins ISB QSB 4.5L 6.7L Engines

4890832 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 4890832 front crankshaft oil seal. Engineered as a direct OEM replacement (equivalent to 3955214, 5338295), 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):

• ISB, QSB series
• 4.5L, 5.9L, 6.7L engines
• And related Cummins-powered equipment like trucks, construction machinery, and industrial applications

Specifications

Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.