BD Diesel High Idle Kit (1036520) for 1998.5-2004 Cummins5.9L

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The BD Diesel High Idle Kit (1036520) is a plug-and-play upgrade for 1998.5–2004 Dodge Ram trucks with the Cummins 5.9L engine. It increases engine idle speed to help with faster warm-ups in cold weather and improve charging for auxiliary systems like snowplows or winches. The kit is easy to install without modifying factory wiring and integrates with existing controls. Designed for durability, it offers a reliable solution for enhancing idle performance and efficiency.

Core Charge*

Total: $99.95
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Description

The BD Diesel High Idle Kit (1036520) is designed specifically for 1998.5–2004 Dodge Ram trucks equipped with the Cummins 5.9L engine. This plug-and-play kit allows drivers to increase engine idle speed, providing faster engine warm-up in cold climates and improved charging performance for auxiliary electrical systems. The high idle function can be especially useful during winter months or when operating power-hungry accessories like snowplows or winches. Installation is straightforward, requiring no cutting or splicing of factory wiring, and the kit integrates seamlessly with the truck’s existing controls. Built with durability in mind, BD Diesel’s High Idle Kit is a practical and reliable upgrade for Cummins owners looking to enhance vehicle performance and efficiency during idle conditions.

Additional information
Weight 2.1 lbs
Dimensions 8.8 × 6.6 × 2.3 in
Fitment

Fitment

 1998.5-2004 Cummins5.9L

Features

Features

  • Easy to install
  • Faster engine warm-ups
  • Adjustable
  • Great to use for remote starters, PTO’s and extended idling applications
  • 900/1200/1500/1800/2100 RPM
Installation

Installation

INSTALL TIME

  • 1 Hour 30 Minutes

WARRANTY

Parts

  • 12-Months
  • 24,000 Miles
Warning

Warning

  • 2003-2004 vehicles must have Bell Crank mounted APPS
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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