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SKU: 50-3101D | UPC: 024844421982
K&N NextGen Dryflow Cold Air Intake 2017-2019 GM Heavy Duty 6.6L Duramax Turbo Diesel
The K&N 50-3101D NextGen Dryflow Cold Air Intake is the best oil-free performance intake upgrade for 2017-2019 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L Duramax Turbo Diesel engine. Featuring a high-density polyethylene (HDPE) rotomolded tube, oversized Dryflow synthetic air filter, and sealed airbox design, this system delivers dyno-proven gains in horsepower and torque with no tune required – perfect for heavy towing, work duties, or maximizing power from your L5P Duramax while eliminating messy oiling maintenance.
Key Features
- NextGen Dryflow Filter: Oil-free synthetic media with up to 99% filtration efficiency – washable and reusable up to 50,000 miles
- Rotomolded HDPE Tube: Smooth, large-diameter induction tube reduces restriction and improves airflow to the turbo
- Custom Sealed Airbox: Protects intake from engine bay heat for cooler, denser air charge and consistent performance
- Easy Two-Step Cleaning: No oil required – simple clean and dry process for maximum convenience
- Mass Air Flow Sensor Adapter: Included for precise fitment and stock calibration compatibility
- Stainless Steel Clamps: Premium hardware with inner protective liner for secure, leak-free installation
Specifications
| Specification | Detail |
|---|---|
| Part Number | 50-3101D |
| Filter Media | Non-Woven Synthetic (Dryflow – Black) |
| Tube Material | High-Density Cross-Linked Polyethylene (Black) |
| Intake Type | Sealed Cold Air Intake |
| Estimated HP Gain | Application-Specific (Dyno-Proven) |
| Estimated Torque Gain | Application-Specific (Dyno-Proven) |
| Replacement Filter | RU-3139HBK |
| Compatibility | 2017-2019 Chevrolet Silverado / GMC Sierra 2500HD/3500HD 6.6L Duramax Turbo Diesel |
| Emissions | Not Legal for Sale or Use in California on Pollution-Controlled Vehicles |
| Country of Origin | United States |
| Warranty | No-Hassle Lifetime Limited (K&N) |
| Shipping Weight | 13 lb (5.9 kg) |
| Shipping Dimensions | 24.2 x 20.2 x 15.6 inches |
Product Notes
- Designed for 2017-2019 GM Heavy Duty 6.6L Duramax – sealed NextGen system maximizes cool air intake
- Oil-free Dryflow filter eliminates mess – easy maintenance with two-step cleaning process
- Works with stock calibration – no tune required for safe, reliable performance gains
Installation Notes
- Estimated time: 60-90 minutes, moderate difficulty, basic hand tools required
- Direct bolt-on replacement for factory airbox – includes all hardware and MAF adapter
- Check for proper sealing and alignment – professional installation optional
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2017-2019 | Chevrolet | Silverado 2500HD / 3500HD | 6.6L Duramax Turbo Diesel (High Country, LT, LTZ, WT) |
| 2017-2019 | GMC | Sierra 2500HD / 3500HD | 6.6L Duramax Turbo Diesel (Base, Denali, SLE, SLT) |
Why Choose K&N NextGen Dryflow CAI?
- Oil-free synthetic filter with high airflow and easy maintenance – no re-oiling required
- Rotomolded HDPE tube and sealed airbox deliver cooler, denser air for improved power and throttle response
- Limited lifetime warranty – trusted upgrade for Duramax HD trucks
Frequently Asked Questions
-
Q: Will this intake fit my 2018 Chevy Silverado 3500HD 6.6L Duramax?
A: Yes, K&N 50-3101D is confirmed to fit 2017-2019 Chevrolet Silverado/GMC Sierra 2500HD/3500HD with 6.6L Duramax Turbo Diesel. -
Q: Is a tune required?
A: No – designed to work with stock calibration for safe, reliable gains. -
Q: How often to clean the filter?
A: Up to 50,000 miles under normal highway conditions – simple two-step oil-free cleaning process. -
Q: Is it emissions legal?
A: Not legal for sale or use in California on pollution-controlled vehicles.
Shipping & Handling
- Method: UPS/FedEx Ground (Oversize)
- Availability: In stock - ships same or next business day
- Packaging: Secure protective packaging
- Weight: 13 lb (5.9 kg)
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