68RFE to 48RE swap kit
$2,000.00
Core charges, tuning requirements, installation, freight, and warranty exclusions vary by build. Review the product description or contact TDP before ordering.
Build details
Thompson Transmission 48RE Swap Kit
The Ultimate 48RE Conversion Solution. Built for Performance. Designed for Simplicity.
The Thompson Transmission 48RE Swap Kit is engineered to simplify converting your Ram Cummins to the proven 48RE transmission platform. Whether you're building a high-horsepower street truck or a dedicated competition vehicle, our swap kits provide the essential components needed for a clean, reliable installation.
Designed with versatility in mind, our kits offer optional Firepunk Porcupine integration to help retain supported factory electronic functions, along with our complete transmission cooling package. Each kit can be configured to meet your specific build requirements.
What's Included in the Base Kit
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Transmission Adapter Plate
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Automatic Transmission Mount
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48RE Dipstick and Tube
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Transmission Lines and Adapters
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Installation Nuts and Bolts
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8-Pin Transmission Repair Harness
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Genuine Cummins Camshaft Seal
Available Upgrades
Firepunk Porcupine Integration
For customers wanting to retain supported factory electronic functions, our optional Firepunk Porcupine integration provides a solution for maintaining OEM functionality following the 48RE conversion.
Complete Transmission Cooler Package
Our optional cooling package is designed to provide improved cooling capacity while simplifying installation.
Includes:
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Derale Transmission Cooler
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Custom Transmission Cooler Mounting Brackets
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Custom Integrated Transmission and Cooler Wiring Harness
Integrated Wiring Harness
When equipped with our optional cooling package, the Thompson Transmission custom wiring harness combines transmission and electric cooler wiring into one complete assembly. This eliminates the need for separate harnesses, reduces unnecessary wiring, and provides a cleaner, more professional installation.
Important Cooling Package Information
If the optional transmission cooler package is not selected, the kit will include the necessary fittings to connect the 48RE transmission to your existing factory transmission cooler lines. This allows customers to retain their factory cooling system without purchasing an aftermarket cooler.
From street-driven conversions to full competition builds, Thompson Transmission delivers the components needed to make your 48RE swap easier, cleaner, and more reliable.