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

Product Specifications

Technical Overview: This NEW bronze high-flow seawater pump is engineered for Cummins B, QSB and C Series marine engines. It uses a 1 3/4" flange port type to deliver consistent, high-volume seawater circulation through heat-exchanger cooling systems in continuous-duty marine applications.

Engine Compatibility:
This seawater pump fits the following Cummins marine engine families:
• QSB5.9 Marine
• QSB6.7 Marine
• 6C8.3 Marine
• 6CT8.3 Marine
• 6CTA8.3 Marine

Included Components:
• (1) Seawater pump assembly

Technical Specifications
• Port type: flange, 1 3/4" inlet/outlet
• High-volume seawater and raw-water flow
• Bronze heavy-duty marine-grade body
• High-performance impeller
• Mechanical seal assembly
• Marine-grade 3X-series non-magnetic shaft
• Replaces Cummins 5268375, 4948142, 3974455 and Sherwood P2701X family numbers

FAQ

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

2. Which engines is it compatible with?
It fits Cummins QSB5.9, QSB6.7, 6C8.3, 6CT8.3 and 6CTA8.3 marine engines.

3. What is the port type?
This model uses a 1 3/4" flange port type designed for high-flow seawater circulation.

4. What materials are used?
The pump is built with bronze marine-grade casting, a mechanical seal and a corrosion-resistant non-magnetic 3X-series shaft.

5. What is included with this pump?
It includes one complete seawater pump assembly.

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

Diesel Pro provides fast worldwide shipping and dependable marine components backed by experienced warranty support.