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DFC Engines

DFC Diesel 5.9 DODGE CUMMINS 24V TOW HAUL HD SERIES SPEED OF AIR LONG BLOCK 98.5-99 24V (WITH TRIGGER GEAR CRANKSHAFT) - TH5998599SOALBHD

$19,057.42 $17,232.89 Save $1,824.53

SKU: D011 TH5998599SOALBHD

In Stock
In Stock
Ships by Jun 21
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This DFC Engines long block is designed for those looking to upgrade their 5.9L Cummins for heavy-duty towing and hauling applications. It includes the engine block, crankshaft, connecting rods, pistons, and cylinder heads, and is compatible with standard and automatic transmissions.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDFC Engines
Part NumberD011 TH5998599SOALBHD

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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