Engines and Components Engines, Blocks and Components

ATK ENGINES

FORD 5R55N 5SPD

$2,126.92

SKU: A040 847B-8S

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This remanufactured 3.0L FWD 1MZ-FE engine is engineered to meet and exceed original equipment (OE) performance standards, restoring smooth power delivery, strong torque, and long-term reliability. It undergoes a complete remanufacturing process, including full teardown, cleaning, and detailed inspection of all internal components, precision machining to restore exact OEM tolerances, installation of new pistons, rings, bearings, gaskets, and seals, updated components to address common wear points, pressure and leak testing for verified sealing reliability, and SIM-tested to confirm horsepower, torque, and smooth performance before shipping.

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

BrandATK ENGINES
Part NumberA040 847B-8S

Videos

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.

View Full Return Policy