3966840 | Cummins 6CT 6D ISC ISL 8.3L Oil Pump, New

Product Overview
This heavy-duty replacement oil pump is engineered to meet or exceed OEM specifications for reliable lubrication performance and long service life in demanding diesel engine applications. Each unit is manufactured with strict quality control standards to help ensure proper fitment and durability in professional diesel engine rebuild environments.

Application
Cummins 6CT, 6D, ISC, ISL 8.3L

Cross References
3966840, 4983588

Key Features

• OE-style fitment for proper installation
• Durable construction for demanding operating conditions
• Engineered for dependable heavy-duty diesel performance

About ATL Diesel

ATL Diesel is a trusted supplier of premium diesel engine components for heavy-duty truck and equipment applications. Our products are sourced and quality-checked to meet or exceed OEM specifications, delivering consistent reliability and performance for professional diesel engine rebuilds.

Free Shipping

We offer free shipping on orders $250 and above! For orders under $250, standard shipping rates apply. If you need expedited shipping such as Next Day Air or 2nd Day Air, just give us a call and one of our sales representatives will help you get the order placed within the timeline you need!

Warranty

1 year warranty applies!