4BT Cummins
Diesel Power Source 4BT Cummins Performance Parts
Diesel Power Source supplies high-quality performance solutions for the Cummins 4BT 4-cylinder engine, focusing on turbo systems and manifolds for swap and custom builds. Our offerings help you overcome the common limitations of the 4BT platform with improved boost response, airflow, and heat management for enhanced torque and power potential.
Frequently Asked Questions 4BT Cummins
The 4BT is a 3.9L Cummins inline-four diesel engine known for compact size, reliability, and torque potential. It’s widely used in swaps, industrial equipment, and custom builds.
Jeeps, classic trucks, off-road rigs, step vans, and custom diesel builds frequently use 4BT engines with performance turbo systems.
The 4BT is a compact 3.9L diesel engine known for its reliability, mechanical simplicity, and torque potential—making it a popular choice for engine swaps. Despite its small displacement, the 4BT responds exceptionally well to turbo upgrades because of its robust internal design and diesel torque curve.
