Product Description
Maximum Strength E4OD Performance with ATS Stage 4 Package
The ATS 309-944-3104 E4OD Stage 4 Package is engineered for serious diesel owners looking to push their 1989–1991 Ford 4WD diesel truck to the next level. Designed for extreme-duty applications, this package delivers increased holding power, improved durability, and enhanced transmission performance under heavy towing and high-load conditions.
The factory E4OD transmission is known for limitations when subjected to increased torque and demanding workloads. ATS solves these issues with a comprehensive Stage 4 upgrade package that strengthens internal components, improves fluid flow, and enhances clutch engagement for superior reliability.
Whether you're towing heavy loads, building a performance truck, or upgrading for long-term reliability, this ATS package provides the strength and confidence your drivetrain needs.
Key Features:
- Stage 4 performance package for E4OD transmissions
- Increased torque capacity and clutch holding strength
- Enhanced durability for towing and heavy-duty use
- Improves shift quality and transmission performance
- Designed for extreme-use diesel applications
- Built with ATS Diesel Performance engineering
FAQ
What is included in the Stage 4 package?
This package includes upgraded internal transmission components designed to increase strength, durability, and performance of the E4OD transmission.
Is this suitable for towing?
Yes, the Stage 4 package is specifically designed to handle heavy towing and high-load conditions.
Will this improve transmission life?
Yes, upgraded components and improved fluid control significantly increase transmission longevity.
Is professional installation required?
Yes, installation requires transmission removal and internal assembly by an experienced builder or professional shop.
Fitment:
- 1989–1991 Ford F-250 / F-350 4WD
- 7.3L IDI Diesel Engine
- E4OD Automatic Transmission
Note: Always verify fitment based on your exact vehicle configuration.
Specifications for ATS 309-944-3104
| ATS 309-944-3104 Product Specifications | |
|---|---|
| Part Number | 309-944-3104 |
| Brand | ATS Diesel Performance |
| Product Type | E4OD Stage 4 Transmission Package |
| Transmission Compatibility | E4OD |
| Engine Compatibility | 7.3L IDI Diesel |
| Vehicle Fitment | 1989–1991 Ford F-250 / F-350 4WD |
| UPC | N/A |
| GTIN | N/A |
| Shipping Weight | Approx. 250 lbs |
| Shipping Dimensions | Approx. 40" x 30" x 30" |
| Core Charge | Yes – Refundable Core Required |
| California Prop 65 | WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov |
