SKU: 57-3036 | UPC: 024844103949
K&N 57-3036 Performance Air Intake System: 2002-2005 Chevrolet Trailblazer L6-4.2L
The K&N 57-3036 is a complete cold air intake system designed for 2002-2005 Chevrolet Trailblazer 4.2L L6, GMC Envoy, Envoy XL, Envoy XUV, Trailblazer EXT, and Oldsmobile Bravada models. It replaces the factory air filter and intake tube with a high-volume roto-molded HDPE tube and oversized high-flow oiled cotton filter for guaranteed horsepower and torque gains. A custom heat shield keeps intake air cool while the washable filter lasts up to 100,000 miles between services under highway driving.
Key Features
- Roto-molded HDPE intake tube: Increases airflow volume to the engine for more power and smoother throttle response
- Oversized high-flow air filter: Oiled cotton media provides superior filtration and requires cleaning only every 100,000 miles on highway drives
- Custom heat shield: Blocks hot underhood air to deliver cooler denser intake charge for better performance
- Easy installation: Bolt-on design completes in 60 minutes or less using basic hand tools with no vehicle modifications
- No-Hassle Lifetime Limited Warranty: Covers the entire system and guarantees horsepower and torque increases
Product Notes
- Replaces OEM air filter and intake tube without cutting or permanent changes
- Filter cleaning uses K&N oil and cleaner kit for reuse every 100,000 highway miles
- Product weighs 8.75 lbs and ships in protective packaging
Installation Notes
- Professional installation recommended.
- Requires only simple hand tools like screwdriver and pliers for 60-minute install
- Bolts directly to factory mounting points with included hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Chevrolet | Trailblazer | LS |
| 2002-2005 | Chevrolet | Trailblazer | LT |
| 2002-2003 | Chevrolet | Trailblazer | LTZ |
| 2002-2004 | Chevrolet | Trailblazer | North Face |
| 2003-2005 | Chevrolet | Trailblazer EXT | LS |
| 2002-2005 | Chevrolet | Trailblazer EXT | LT |
| 2002-2005 | GMC | Envoy | SLE |
| 2002-2005 | GMC | Envoy | SLT |
| 2002-2005 | GMC | Envoy XL | SLE |
| 2002-2005 | GMC | Envoy XL | SLT |
| 2004-2005 | GMC | Envoy XUV | SLE |
| 2004-2005 | GMC | Envoy XUV | SLT |
| 2002-2004 | Oldsmobile | Bravada | Base |
Why Choose K&N?
- Engineered since 1969 with dyno-proven designs for real-world power gains
- High-flow filtration traps dirt while allowing maximum clean air through
- Exact-fit systems for seamless integration and reliable long-term performance
Frequently Asked Questions
- Q: Does the 57-3036 fit 2005 Chevrolet Trailblazer LS and LT models?
A: Yes, it fits all 2002-2005 Trailblazer LS and LT trims with the 4.2L L6 engine, including EXT versions. - Q: What materials are used in the intake tube and filter?
A: Durable high-density polyethylene HDPE for the roto-molded tube and oiled cotton gauze media for the reusable filter. - Q: What warranty coverage is provided?
A: K&N No-Hassle Lifetime Limited Warranty covers the full system against defects and guarantees power increases.
Shipping & Handling
- Method: Ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure carton 23.75 x 13.25 x 9.75 inches
- Weight: 8.75 lbs
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