4BT Cummins Crate Engines

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CPP Diesel 4BT Cummins Crate Engines

Explore our lineup of 4BT Cummins crate engines — built for reliability, performance, and conversion ease. Whether you're swapping into a truck, van, or off-road rig, we offer **long blocks**, **complete builds**, and **premium options** engineered in-house for precision and durability.

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.

Frequently Asked Questions

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

The stock turbocharged 4BT (pre-1998) usually produces ~105 hp and ~265 lb-ft torque; later 4BTA variants push to ~170 hp or more depending on tuning.

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

MSRP:

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Now: $6,500.00

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CPP CUMMINS 4BT PREMIUM LONG BLOCK CRATE ENGINE

MSRP:

Was:

Now: $4,499.00

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CPP CUMMINS 3.9L 4BT LONG BLOCK
The Cummins 3.9L 4BT Long Block Crate Engine is a brand new powerhouse designed for reliability and performance. With a robust build and sturdy construction, this engine is ideal for a wide range of applications, especially conversions where power and...

MSRP:

Was:

Now: $6,500.00
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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...

MSRP:

Was:

Now: $4,499.00
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