Parts for Cummins QSB 4.5

A Cummins QSB 4.5 engine offers the power and precision you need in an engine. Perfect for all kinds of industrial applications, especially marine, the Cummins QSB 4.5 engine is highly versatile.

If you need Cummins QSB 4.5 parts for engine maintenance or repair, Diesel Pro Power has the selection you need. We carry everything from pumps to filters to cables to paints and sealant and much more. We also have unbeatable delivery service, with orders shipped worldwide within 24 hours.

Buy Cummins QSB 4.5 Parts Online 

Search our user-friendly website to find the Cummins QSB 4.5 parts you need. We have a wide selection, including:

• Rebuild kit: Includes pistons, retainers, ring sets, crankshaft shell sets, upper and lower gasket sets and other parts so you have everything you need for a rebuild. We also carry accessories such as filter removal wrenches, seal kits and more.
• Fresh water pumpCirculates coolant through the engine. Covered by our warranty. Accessories such as seal rings and radiator cleaner are also available. 
• Cylinder head: Available with or without drain plugs and valves. Other accessories available include springs and seals.
• Fuel pump: Fuel and separator units available as well as filters, gaskets and more.

We carry numerous other Cummins QSB 4.5 parts, such as exhausts, camshafts, switches, gauges and more.

Why Buy Your Cummins QSB 4.5 Parts From Diesel Pro Power?

When you buy your Cummins QSB 4.5 parts from Diesel Pro Power, you can count on:

• Easy-to-navigate website: We've designed our website to be intuitive and fast so that it is easy to use and navigate. You'll be able to find exactly what you need quickly.
• Excellent customer service: Our customer service team specializes in helping you with all aspects of your order, from finding the right parts to making sure they are delivered on time. They can answer any of your questions and offer any advice or assistance you may need.
• Secure site: Our website is regularly updated with all the latest security patches so you can be sure that your information is completely safe, from your order details to payment information and any other personal information you provide.
• Over 15,000 satisfied customers: We are committed to maintaining strong, long-lasting relationships with our customers, and we are proud to have more than 15,000 satisfied customers worldwide. 
• 24-hour worldwide shipping: We have unbeatable delivery times with parts that ship within 24 hours of order placement, and we make deliveries worldwide.
• Great reviews: Discover why our customers love working with us and read our customer reviews.

Order the Part You Need or Contact Our Team for Help

Order your Cummins QSB 4.5 marine parts online from Diesel Pro Power today. We have the high-quality inventory and efficient processing to get you the best products as quickly as possible. If you have any questions or need assistance, contact our team of customer service specialists for help. You can email us or call us at 1-888-433-4735, Monday-Friday between 8 am and 5 pm EST.