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Genuine GM L5P Duramax Intercooler Cold Side Pipe – OEM #86326467
Replace a leaking, cracked, or degraded factory cold-side intercooler pipe with this genuine GM OEM charge air cooler outlet tube.
This passenger-side cold-side pipe carries cooled, denser air from the intercooler to the intake/throttle body on the 6.6L L5P Duramax. The factory design (often a combination of plastic and rubber) is a known weak point that can crack, swell, or blow off under heat, pressure, or higher boost—leading to boost leaks, power loss, elevated EGTs, and codes such as P0299 (underboost).
Key Benefits
- Authentic GM Original Equipment part for precise fit, proper sealing, and long-term reliability
- Restores correct airflow and boost pressure
- Direct-fit replacement designed to GM engineering standards
- Helps maintain engine efficiency, power, and durability
Fits: Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD with the 6.6L L5P Duramax
Keep your L5P Duramax breathing properly and performing as intended with a genuine GM cold-side intercooler pipe.
Genuine GM L5P Duramax Intercooler Cold Side Pipe – OEM #86326467
Replace a leaking, cracked, or degraded factory cold-side intercooler pipe with this genuine GM OEM charge air cooler outlet tube.
This passenger-side cold-side pipe carries cooled, denser air from the intercooler to the intake/throttle body on the 6.6L L5P Duramax. The factory design (often a combination of plastic and rubber) is a known weak point that can crack, swell, or blow off under heat, pressure, or higher boost—leading to boost leaks, power loss, elevated EGTs, and codes such as P0299 (underboost).
Key Benefits
Authentic GM Original Equipment part for precise fit, proper sealing, and long-term reliability
Restores correct airflow and boost pressure
Direct-fit replacement designed to GM engineering standards
Helps maintain engine efficiency, power, and durability
Fits: Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD with the 6.6L L5P Duramax
Keep your L5P Duramax breathing properly and performing as intended with a genuine GM cold-side intercooler pipe.[...]
Genuine GM L5P Duramax Intercooler Cold Side Pipe – OEM #86326467
Replace a leaking, cracked, or degraded factory cold-side intercooler pipe with this genuine GM OEM charge air cooler outlet tube.
This passenger-side cold-side pipe carries cooled, denser air from the intercooler to the intake/throttle body on the 6.6L L5P Duramax. The factory design (often a combination of plastic and rubber) is a known weak point that can crack, swell, or blow off under heat, pressure, or higher boost—leading to boost leaks, power loss, elevated EGTs, and codes such as P0299 (underboost).
Key Benefits
- Authentic GM Original Equipment part for precise fit, proper sealing, and long-term reliability
- Restores correct airflow and boost pressure
- Direct-fit replacement designed to GM engineering standards
- Helps maintain engine efficiency, power, and durability
Fits: Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD with the 6.6L L5P Duramax
Keep your L5P Duramax breathing properly and performing as intended with a genuine GM cold-side intercooler pipe.