K&N 77-3101KP Cold Air Intake Kit for 17-19 Chevy Silverado/GMC Sierra 2500/3500

Vehicle Fitment

• 2017-2019 Chevrolet Silverado 2500 HD (6.6 L Duramax L5P, diesel, RWD/4WD)
• 2017-2019 Chevrolet Silverado 3500 HD (6.6 L Duramax L5P, diesel, RWD/4WD)
• 2017-2019 GMC Sierra 2500 HD (6.6 L Duramax L5P, diesel, RWD/4WD)
• 2017-2019 GMC Sierra 3500 HD (6.6 L Duramax L5P, diesel, RWD/4WD)

Features

• High-flow cold air intake system increases horsepower and torque
• Mandrel-bent aluminum intake tube for smooth airflow
• Oversized washable and reusable oiled cotton gauze filter
• Custom heat shield protects filter from engine heat
• Designed for 6.6 L Duramax L5P diesel engines in GM HD trucks
• Installation completed in 60-90 minutes with basic tools
• Maintains factory mounting points; no warranty impact
• Backed by K&N's No-Hassle Lifetime Limited Warranty

Specifications

• Part number: 77-3101KP
• Estimated horsepower gain: ~15 hp
• Estimated torque gain: ~33 lb-ft
• Filter element: Washable RU-5179
• Intake tube: Mandrel-bent aluminum, polished finish
• Weight: ~14 lb (6.4 kg)
• Drivetrain: RWD/4WD
• CARB EO: D-269-102, legal in all 50 states for this application

Included Components

• 1x Mandrel-bent aluminum intake tube
• 1x High-flow washable oiled cotton gauze air filter
• 1x Heat shield assembly
• 2x Silicone couplers
• 5x Stainless steel hose clamps
• Mounting brackets and hardware kit
• Installation instructions

Product Description

The K&N 77-3101KP Cold Air Intake Kit is built for 2017-2019 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with the 6.6 L Duramax L5P diesel engine. It replaces the factory airbox and intake tube with a high-flow mandrel-bent aluminum system and oversized reusable filter, improving airflow, throttle response, and performance.

This intake is ideal for towing, hauling, or performance applications. The washable filter ensures long service intervals, while the durable aluminum tube and heat shield protect against engine bay heat. Installation is straightforward using factory mounting points.

Confirm your vehicle year, engine, and drivetrain before purchase. Fitment is verified through 2019; 2020-2025 coverage is unconfirmed. CARB-compliant for this application, but always check local regulations before installation.