Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Heavy‑Duty Automatic Transmission Built to Withstand Serious Power. The ATS Diesel Performance 48RE Transmission Package; Stage 2; $2200 Core Charge Included is a purpose-built upgrade for 2004.5–2007 4WD RAM 3500 models equipped with the 5.9L Cummins engine. Designed to replace the factory 48RE transmission, which is known to struggle under high torque and modified power levels, this package features upgraded internals, increased fluid capacity, and improved cooling pathways.
Stage 2 Upgrade for Up to Approximated 500 HP (and High Torque Loads). This ATS Diesel Performance 48RE Transmission Package; Stage 2; $2200 Core Charge Included is rated to support builds producing up to approximately 500 horsepower and significantly higher torque than stock. It features enhanced clutch packs, a performance-calibrated valve body, and upgraded apply mechanisms that deliver firm, consistent shifts under load.
Ready for Work - Hauling, Towing, Performance. Whether your RAM 3500 is a dedicated workhorse or a performance-modified weekend warrior, this ATS Diesel Performance 48RE Transmission Package; Stage 2; $2200 Core Charge Included is built to meet the challenge. It’s ideal for applications where the factory transmission becomes a weak link-such as when towing large trailers, hauling heavy equipment, or running high-output tuning.
Installation. Putting this ATS Diesel Performance 48RE Transmission Package; Stage 2; $2200 Core Charge Included on your 4WD 5.9L RAM 3500 takes 2 hours to install.
Warranty. There is a 5-year / 500k-mile warranty on this product.
Application. The ATS Diesel Performance 48RE Transmission Package; Stage 2; $2200 Core Charge Included fits 2004.5-2007 4WD 5.9L RAM 3500 models.
ATS Diesel Performance 309-924-2290
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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