Marine Water Pump for Cummins B, C, QSB and QSL Engines

Product Specifications

Technical Overview: This marine-grade bronze seawater pump is engineered for Cummins B, C, QSB and QSL engines and features mounting holes set 11° off-center shaft for proper alignment with the drive-gear housing. It delivers stable seawater circulation for continuous-duty propulsion and auxiliary cooling systems.

Engine Compatibility:
Compatible with the following Cummins marine engine families:
• 6BT Marine
• 6BTA Marine
• 6C / 6CT / 6CTA Marine
• QSB Marine
• QSL Marine

Included Components:
• (1) Seawater pump assembly

Technical Specifications
• 11° off-center shaft mounting hole orientation
• Port Type: flange, 1 3/4" inlet/outlet
• O-ring end-cover packing
• Mechanical seal assembly
• High-capacity seawater circulation design
• Bronze heavy-duty marine-grade casting
• Marine-grade non-magnetic 3X-series shaft

FAQ

1. What does this seawater pump do?
It circulates seawater through Cummins B, C, QSB and QSL cooling systems to maintain stable operating temperature during marine operation.

2. Which engines is it compatible with?
It fits Cummins 6BT, 6BTA, 6C/6CT/6CTA, QSB and QSL marine engines.

3. Are the mounting holes offset?
Yes. The mounting holes follow the Cummins specification with a 11° off-center shaft alignment.

4. Does it rotate in one direction only?
This pump is installed according to the engine’s rotation requirements, but its classification is not listed as directional.

5. What materials is the pump made of?
It uses bronze marine-grade casting, a mechanical seal and a corrosion-resistant 3X-series non-magnetic shaft.

6. Is this a NEW seawater pump and covered by warranty?
Yes. This NEW seawater pump for Cummins B/C/QSB/QSL engines is covered by Diesel Pro warranty according to current policy.

Diesel Pro supplies marine components built to OEM standards, with worldwide shipping and up to 12 months of warranty support.