BD Diesel LockOut Overdrive Disable (1031350) for 2005 Cummins 5.9L

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The BD Diesel LockOut Overdrive Disable (1031350) is a plug-and-play module for 2005 Dodge Ram trucks with the Cummins 5.9L engine. It lets drivers manually disable overdrive, improving control during towing, climbing, or engine braking. This helps reduce transmission heat, prevents unnecessary shifting, and enhances drivability under load. It installs easily without permanent modifications, making it a practical upgrade for heavy-duty use.

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Description

The BD Diesel LockOut Overdrive Disable (1031350) is a performance-enhancing accessory specifically designed for the 2005 Dodge Ram trucks equipped with the Cummins 5.9L engine. This innovative module allows drivers to manually disable the overdrive function of the transmission, providing greater control during towing, climbing, or engine braking situations. By locking out overdrive, the LockOut device helps prevent unnecessary shifting, reduces transmission heat, and improves overall drivability under load. Easy to install with plug-and-play functionality, it integrates seamlessly with factory systems without requiring any permanent modifications. Ideal for heavy-duty applications, the BD Diesel LockOut Overdrive Disable is a practical upgrade for Cummins owners seeking enhanced transmission control and durability.

Additional information
Weight 0.4 lbs
Dimensions 10.9 × 6.8 × 1.13 in
Fitment

Fitment

 2005 Cummins 5.9L with 48RE automatic transmission

Features

Features

  • Allows 4th gear to be disabled for exhaust brake use or pulling up hill
Installation

Installation

INSTALL TIME

  • 1 Hour

WARRANTY

Parts

  • 12-Months
  • 24,000 Miles
About brand
BD Diesel Performance is a diesel performance manufacturer focused on reliability and towing performance. The company designs parts that improve durability, power delivery, and vehicle control. BD Diesel products support daily driving, heavy towing, and work-ready diesel trucks. BD Diesel engineers turbochargers, exhaust brakes, transmission upgrades, and fuel system components. Their products help manage heat, control exhaust flow, and protect drivetrain parts. These upgrades improve drivability under load and during long pulls. Diesel owners trust BD Diesel for proven solutions. Whether upgrading a tow rig or improving reliability, BD Diesel delivers parts built for real-world use.
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