4BT Cummins Crate Engines For Sale

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Shop CPP Diesel 4BT Cummins crate engines for sale. Our 3.9L Cummins diesel engines are available as long blocks, complete turn-key builds, and custom engine packages for Jeep swaps, Toyota conversions, bread trucks, generators, industrial equipment, and off-road applications. Whether you need a replacement 4BT engine or a custom-built Cummins crate engine, CPP Diesel offers proven solutions built for reliability, performance, and long service life.

Available Build Options

Long Block: Block, heads, rotating assembly — ideal if you already have compatible accessories.
Complete Build / Turn-Key: Includes fuel system, turbo, manifolds, and all bolt-ons — ready to drop in.
Premium / Performance Builds: Enhanced internals, balanced components, and quality control upgrades for higher power goals.

Why Choose a 4BT Crate from CPP

No core charge options available on select 4BT engines.
Built with strict tolerances, tested assemblies, and premium parts.
Engineered for reliability in swaps, fleets, industrial rigs, or conversions.
Multiple configurations offered — rotary vs inline pump, turbo setups, and more.

Helpful Notes & Best Practices

Verify your CPL (Control Parts List) number before ordering — many 4BT variations exist.
Ensure matching mounting patterns, oil pick-up, and accessory spacing for your chassis or conversion.
Consider initial break-in protocol, fluids, and priming before first start.
Contact us with your vehicle and use-case — we'll help you select the right engine build.

Popular 4BT Applications

Jeep Wrangler diesel conversions
Toyota pickup and 4Runner swaps
Land Cruiser diesel builds
International Scout conversions
Bread truck engine replacements
Industrial equipment and generators
Agricultural equipment
Off-road and rock crawler projects

Frequently Asked Questions

What is the default horsepower of a 4BT crate engine?

Horsepower varies by configuration and application. CPP Diesel offers stock replacement, long block, and custom-built 4BT Cummins engines for industrial, commercial, and vehicle conversion projects.

Do I need to send a core back?

Some builds have no core charge; others require a return of the old engine or block in reusable condition. Check the specific product page for core policies.

Does the crate engine come ready to run?

Complete builds include turbo, manifolds, fuel system, and plumbing. Long blocks do not include external components — ideal for those reusing existing accessories.

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CPP CUMMINS 3.9L 4BT LONG BLOCK ENGINE

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Now: $4,995.00

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CPP CUMMINS 4BT PREMIUM LONG BLOCK CRATE ENGINE

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CPP CUMMINS 3.9L 4BT LONG BLOCK ENGINE
CPP CUMMINS 3.9L 4BT LONG BLOCK ENGINE The CPP Cummins 3.9L 4BT Long Block Engine delivers legendary Cummins reliability in a compact and highly versatile package. Known worldwide for its durability, fuel efficiency, and mechanical simplicity, the 4BT...

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Now: $4,995.00
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CPP CUMMINS 4BT PREMIUM LONG BLOCK CRATE ENGINE
Master the roads, conquer the trails, and seize a world of power with our CPP Diesel Cummins 4BT Long Block Crate Engine. Designed for the 1989-1998 Cummins 3.9L 4BT, this compact powerhouse promises unparalleled efficiency and reliability, delivering...

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Now: $4,499.00
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