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SKU: 63-3118 | UPC: 024844390509
K&N 63 Series AirCharger Performance Intake 20-21 Chevrolet Silverado 1500 GMC Sierra 1500 L6-3.0 Diesel
The K&N 63-3118 Performance Air Intake System delivers more airflow to the 3.0L Duramax diesel engine in 2020-2021 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. This enclosed cold air intake protects the filter from engine heat while the roto-molded HDPE tube and oversized oiled cotton filter increase horsepower and torque. Installation takes less than 60 minutes with basic hand tools and includes a washable filter lasting up to 100000 miles between services.
Key Features
- Enclosed Air Box: Shields filter and inlet air from engine bay heat for cooler denser intake charge and consistent power gains
- Roto-Molded HDPE Intake Tube: Expands airflow volume to the engine paired with oversized conical high-flow oiled cotton filter
- High-Flow Washable Filter: Reusable design cleans every 100000 miles under normal highway driving requires no replacement elements
- Guaranteed Power Increase: Dyno-proven gains in horsepower and torque across the powerband for diesel performance
- No-Hassle Lifetime Limited Warranty: Covers the entire system protects your investment for the life of the vehicle
Product Notes
- Filter service interval up to 100000 miles under normal highway conditions use K&N cleaning kit for maintenance
- Will not void vehicle manufacturer warranty CARB status N/A for diesel applications
- Product weight 11.2 lbs ships in box 24 x 17.6 x 10.6 inches
Installation Notes
- Professional installation recommended.
- Completes in 60 minutes or less using simple hand tools no cutting or permanent modifications needed
- Replaces stock airbox and intake tube uses factory mounting points and hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2021 | Chevrolet | Silverado 1500 | High Country |
| 2020-2021 | Chevrolet | Silverado 1500 | LT |
| 2020-2021 | Chevrolet | Silverado 1500 | LTZ |
| 2020-2021 | GMC | Sierra 1500 | Denali |
| 2020-2021 | GMC | Sierra 1500 | SLE |
| 2020-2021 | GMC | Sierra 1500 | SLT |
Why Choose K&N?
- Engineered and dyno-tested for real-world diesel power gains in Silverado and Sierra trucks
- High-density polyethylene construction and oiled cotton media for durable filtration and flow
- Over 50 years designing intake systems backed by lifetime warranty on every component
Frequently Asked Questions
-
Q: Does the 63-3118 fit my 2021 Chevrolet Silverado 1500 LT 3.0L Duramax diesel?
A: Yes it fits 2020-2021 Silverado 1500 High Country LT LTZ and Sierra 1500 Denali SLE SLT all with 3.0L L6 diesel engine confirmed by K&N fitment guide -
Q: What materials are used in the K&N 63-3118 intake system?
A: Features roto-molded high-density polyethylene HDPE tube for strength and airflow plus washable oiled cotton filter media in conical design -
Q: What warranty comes with this air intake and how do I maintain it?
A: Includes K&N No-Hassle Lifetime Limited Warranty clean filter every 100000 miles using official K&N oil and cleaning kit
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure box dimensions 24 x 17.6 x 10.6 inches
- Weight: 11.2 lbs
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