K&N | Oil Catch Can - Silverado / Sierra 2500 HD / 3500 HD 6.6L 2020-2025

K&N – Engine Oil Catch Can

Description

The K&N 81-0812 air oil separator protects the engine and intake tract from blowby contamination by capturing oil in a high-capacity 6 oz reservoir. Designed for the Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD V8 6.6L (gas and diesel), it replaces the factory crankcase line. Premium OEM-style connectors allow quick tool-free snap-on and snap-off. Installs in approximately 30 minutes. Helps prevent power loss and premature detonation caused by oil buildup in the intake tract.

Specifications

• Part Number: K&N 81-0812
• Manufacturer: K&N Engineering
• Fitment: Chevrolet Silverado 2500HD/3500HD / GMC Sierra 2500HD/3500HD V8 6.6L
• Reservoir Capacity: 6 oz
• Mount Type: Direct-fit, vehicle-specific
• Connectors: OEM-style, tool-free snap on/off
• Replaces Factory Crankcase Line: Yes
• Tools Required to Empty Reservoir: None
• Not CARB Exempt (California)
• Warranty: K&N No-Hassle Lifetime Limited
• Sold and shipped by Truck Expert

Note:

• FREE Delivery