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Professional Grade Dr6142rx | Cummins 4b 3.9l (1997-03) Long Block | 55f7l039a - Priority Shipping [DRWOSbTH]

$58.99 $188.99 -69%

DR6142RX Cummins 4B 3.9L Long Block The DR6142RX Cummins 4B 3.9L Long Block is a high-quality engine component designed for the 1997-2003 Cummins 4B 3.9L engines. This long block is the perfect solution for restoring or enhancing the performance of y

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Professional Grade Dr6142rx | Cummins 4b 3.9l (1997-03) Long Block | 55f7l039a - Priority Shipping [DRWOSbTH]

DR6142RX Cummins 4B 3.9L Long Block

The DR6142RX Cummins 4B 3.9L Long Block is a high-quality engine component designed for the 1997-2003 Cummins 4B 3.9L engines. This long block is the perfect solution for restoring or enhancing the performance of your vehicle. Crafted with precision and durability, it offers a robust construction that ensures long-lasting strength and performance. Key features include a compatible Storm Cylinder Block, "A" Pump Gear Housing #3932120, Piston #3802764, and a Low Swirl Cylinder Head. This long block is designed to meet OEM specifications, ensuring a seamless fit and compatibility with your vehicle.

Engine Properties and Specifications

The DR6142RX Cummins 4B 3.9L Long Block is engineered to provide reliable power and smooth operation. It is constructed from durable materials, guaranteeing a robust and long-lasting performance. The engine block is designed to meet OEM specifications, ensuring a precise fit and compatibility with your vehicle. This long block is ready-to-install, saving you time and effort on installation. It is designed to restore or even improve your vehicle's original power and efficiency, providing enhanced performance for miles to come.

Practical Uses and Benefits

The DR6142RX Cummins 4B 3.9L Long Block is an ideal choice for drivers looking to replace a worn-out engine or simply want a reliable upgrade. Whether you're a DIY enthusiast or a professional mechanic, this long block offers the performance and durability you need. It is suitable for a range of vehicle models, making it a versatile choice for many drivers. With its dependable performance, high-quality build, and wide compatibility, this long block is a must-have for anyone looking to restore or enhance their vehicle's performance. Order today and give your vehicle the power it deserves with the DR6142RX Cummins 4B 3.9L Long Block!

What Our Customers Say

January 17, 2026

Absolutely no complaints!

I'm very happy with the quality.

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January 17, 2026

Absolutely no complaints!

A very satisfying purchase.

- Bennett T..

January 17, 2026

Absolutely no complaints!

Surprisingly good quality.

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