BD Diesel 1030606-DS-58 Xtrude Double Stacked Transmission Cooler Kit with Fan 5/8" Lines

The BD Diesel Xtrude Double Stacked Transmission Cooler Kit is engineered to provide maximum cooling performance for heavy-duty applications. This complete cooling system features double-stacked cores that deliver over 40,000 BTU/HR of cooling capacity and achieve over 350% temperature drop compared to factory systems—136% better than BD's standard single core kit.

Advanced Cooling Technology:

• 200 micro-extruded passages create extensive surface area for optimal heat transfer
• Turbulent oil flow design ensures thorough and efficient cooling
• Large 5/8-inch ports eliminate inlet/outlet restrictions for maximum flow
• Furnace-brazed rails tested to withstand 300 PSI of pressure
• Thermostatically controlled 80-watt, 10-inch electric fan delivers 800 CFM for automatic temperature management

Complete Installation Kit Includes:

• All necessary fittings, clamps, hoses, and mounting hardware
• Build-it-yourself galvanized bracket kit for quick, clean installation
• Pre-wired loomed harness with fuse, relay, and OEM-style sealed connectors
• Professional weather-resistant wiring for factory-quality appearance

Installation & Warranty:

• Estimated install time: 3 hours 30 minutes
• 12-month / 24,000-mile parts warranty
• Designed for use in conjunction with factory transmission coolers

Emissions Compliance: This product does not require an Executive Order in California and is legal for sale and use in all 50 states.

Ideal for Silverado and Sierra trucks equipped with Allison 1000 transmissions and 5/8-inch cooler lines. Perfect for towing, racing, or any high-stress application where transmission temperature management is critical.