Drivetrain Automatic Transmissions and Components

ATS Diesel Performance

Stage 1 Transmission Package

$6,844.43

SKU: 309-912-3224

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The ATS 309-912-3224 Stage 1 4R100 Transmission Package is a heavy-duty upgrade for 1999-2003 Ford Super Duty trucks with the 7.3L Power Stroke diesel engine and 2WD drivetrain.

This package addresses known weaknesses in the factory 4R100 transmission, offering improved durability, better torque handling, and increased reliability for towing, hauling, and work applications. It includes a Stage 1 built 4R100 automatic transmission, an ATS Five Star torque converter, and an ATS deep transmission pan.
Show original supplier description
The ATS 309-912-3224 Stage 1 4R100 Transmission Package is a heavy-duty upgrade designed to enhance the performance and durability of 1999-2003 Ford Super Duty trucks equipped with the 7.3L Power Stroke diesel engine and a 2WD drivetrain. This comprehensive package is engineered to overcome the inherent weaknesses of the stock 4R100 transmission. It delivers significantly improved durability, superior torque handling capabilities, and increased overall reliability, making it an ideal solution for demanding applications such as towing, heavy hauling, and rigorous work use. The upgrade ensures smoother, more efficient power transfer under load, reducing stress on critical components. The Stage 1 package features a built 4R100 automatic transmission, an ATS Five Star torque converter, and an ATS deep transmission pan. Each of these meticulously engineered components works in synergy to boost clutch holding capacity, effectively manage heat buildup, and provide a more refined power delivery. The ATS Five Star torque converter specifically enhances torque multiplication and lock-up performance, while the deep transmission pan increases vital fluid capacity and improves cooling efficiency, collectively extending the transmission's service life and maintaining consistent performance even in harsh diesel environments. This Stage 1 upgrade is perfectly suited for truck owners seeking a dependable enhancement over the factory setup without compromising daily drivability. It offers a balanced improvement for daily driving, towing, and moderate performance applications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandATS Diesel Performance
Part Number309-912-3224
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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