Fits: 2017 thru 2019 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel

Xcalliber's cooler bypass kit is an easy, no-hassle, and cost-effective drop-in solution to help reduce the transmission fluid temperatures in 2017-2019 Duramax trucks with an Allison 1000 transmission.

Features:

• Provides all-time cooler flow regardless of temperature
• Prevents overheating
• Reduces transmission fluid temperature
• Eliminates thermostatic assembly
• Allows you to accurately check fluid level immediately after install without having to wait or go through a warm-up cycle

Includes:

• Bypass plug
  
• Bypass pin
• Thermostat O-Ring