Shop Freightliner M2 Business CAC Clamps, Boots & Hoses

Freightliner M2 Business CAC Clamps, Boots & Hoses

The Freightliner M2 Business CAC Clamps, Boots & Hoses product lineup covers a wide range of essential components for Freightliner M2 trucks, including silicone charge air cooler hoses, heavy-duty t-bolt clamps, and flexible coolant hoses. These high-quality replacement parts help maintain efficient airflow, cooling, and overall engine performance in Freightliner M2 trucks. Key features include durable silicone construction, reinforced ply, and corrosion-resistant hardware for long-lasting use. Whether you need a charge air cooler hose, clamp, or coolant hose elbow, this product lineup has the right products to keep your Freightliner M2 running at its best. The selection caters to common model sizes and configurations, making it easy to find the right fit for your vehicle.

Frequently Asked Questions About Freightliner M2 Business Class CAC Clamps, Boots & Hoses

What size CAC boots and clamps do I need for my specific M2 model year?

Freightliner M2 models from 2003-2007 typically use 3" to 3.5" diameter boots with T-bolt clamps, while 2008-2015 models often require 4" boots at the turbo outlet. Always measure your existing CAC pipe diameter before ordering, as engine options like the Mercedes MBE900, Caterpillar C7, or Cummins ISB/ISL may have different specifications. Check both the inlet and outlet sizes, as they can differ.

Why do my CAC boots keep blowing off under heavy load?

This common issue usually stems from using standard worm-gear clamps instead of heavy-duty T-bolt clamps rated for 50+ PSI. Stock clamps often fail above 30 PSI boost pressure. Upgrade to stainless steel T-bolt clamps with a minimum 250 lb/in torque rating. Also check for oil contamination from the turbo, which can cause boots to slip. Clean all connection points with brake cleaner before installation.

What's the difference between silicone and rubber CAC boots for longevity?

Silicone boots typically last 5-7 years and handle temperatures up to 500?F, making them ideal for heavy-duty applications. Standard EPDM rubber boots last 2-3 years and are rated to 275?F. While silicone costs 2-3 times more initially, they resist oil degradation better and maintain flexibility in extreme cold. For trucks running high boost or in severe duty cycles, silicone is the better long-term investment.

How difficult is it to replace the lower CAC boot on an M2 without removing the bumper?

The lower intercooler boot can be accessed from underneath without bumper removal on most M2 models. You'll need about 2-3 hours for the job. Remove the splash shield, disconnect the lower radiator hose for clearance, and use a pick tool to work the old boot off. Apply dish soap to the new boot for easier installation. Having a second person guide from above helps significantly. Some 2012+ models may require loosening the CAC pipe bracket.

Which hose material works best for preventing CAC system leaks?

Multi-ply reinforced silicone hoses with aramid fiber reinforcement provide the best leak prevention. Look for 4-ply or 5-ply construction rated for constant 50 PSI and spike pressures up to 80 PSI. Avoid single-wall rubber hoses or universal flex hoses in the CAC system. Wire-reinforced hoses work well for tight radius bends but cost more. Always replace hoses showing any signs of ballooning, soft spots, or internal delamination.