Drivetrain› 4x4 Driveline Components

ATK ENGINES

TRANSMISSION

$1,319.45

SKU: A040 X312-1

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 is a remanufactured New Venture 233D w/Motor transfer case (NP233), featuring a chain-driven, electric shift, part-time transfer case with three speeds (2WD, 4WD high, 4WD low). It has a low gear ratio of 2.72:1, left side drop output, 27 spline front output, and a rear slip yoke. Each unit is rebuilt with new bearings, gaskets, seals, chains, clutch, and viscous couplers (where applicable), and is factory-tested.

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 X312-1

Videos

Part 2 Jegs ATK Vortec Crate Engine Tear Down

Part 2 Jegs ATK Vortec Crate Engine Tear Down
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ATK review
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ARE A.T.K. ENGINES AND HEADS ANY GOOD? EVEN MORE GRIEF FROM JEGGS
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LKQ ATK VS Jasper Engines & Transmissions Reviews | Powertrain | Remanufactured Engines
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Federated TechTalk #48 - ATK Engines
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atk engines /jasper stay away
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ATK Engine in a '93 Mustang 5.0
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Part 3 Jegs ATK Vortec Crate Engine Into the Short Block
How To Build a NP233/231 Hybrid Transfer Case

How To Build a NP233/231 Hybrid Transfer Case
Part II: Finishing up Transfer Case Swap in Durango - Switching out Actuators AWD to Part-Time.

Part II: Finishing up Transfer Case Swap in Durango - Switching out Actuators AWD to Part-Time.

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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