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K&N 06 GM Trailblazer/Envoy L6-4.2L Performance Intake Kit K&N Engineering KNN57-3062
K&N 06 GM Trailblazer/Envoy L6-4.2L Performance Intake Kit K&N Engineering KNN57-3062
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K&N 06 GM Trailblazer/Envoy L6-4.2L Performance Intake Kit

KNN57-3062
024844232458
Cold Air Intakes
11 Units In Stock - Ships Next Business Day
$ 420.00 $ 367.99
$ 367.99

SKU: 57-3062 | UPC: 024844232458

K&N 57-3062 Performance Air Intake System 2002-2009 Chevrolet Trailblazer Trailblazer EXT GMC Envoy Envoy XL Isuzu Ascender 4.2L L6

The K&N 57-3062 Performance Air Intake System delivers dyno-proven power gains for 2002-2009 Chevrolet Trailblazer and Trailblazer EXT GMC Envoy and Envoy XL Isuzu Ascender equipped with the 4.2L L6 engine. This kit features a roto-molded high-density polyethylene HDPE intake tube that increases airflow volume paired with a washable high-flow oiled cotton filter for guaranteed horsepower and torque improvements up to 15 HP. A custom heat shield blocks engine bay heat while the complete system installs in under 60 minutes using basic hand tools.

Key Features

  • Roto-molded HDPE intake tube: Increases airflow volume to the engine for measurable power and torque gains
  • Oversized oiled cotton air filter: Washable and reusable cleans every 100000 miles under normal highway driving
  • Custom heat shield: Protects intake air from hot engine bay temperatures for cooler denser air charge
  • Easy installation: Replaces factory air filter and intake tube completes in 60 minutes or less with simple hand tools
  • No-Hassle Lifetime Limited Warranty: Covers the entire system backed by K&N engineering

Product Notes

  • Engineered for high airflow and filtration without voiding vehicle warranty
  • Filter service interval up to 100000 miles with regular oiling and cleaning kit
  • Securely packaged for damage-free delivery

Installation Notes

  • Professional installation recommended.
  • Uses basic hand tools no drilling or cutting required
  • Direct bolt-on replacement compatible with factory hardware

This Part Fits

Year Make Model Submodel
2002-2009 Chevrolet Trailblazer 4.2L L6
2002-2006 Chevrolet Trailblazer EXT 4.2L L6 LS LT
2002-2009 GMC Envoy 4.2L L6 SLE SLT
2002-2006 GMC Envoy XL 4.2L L6 SLE SLT
2003-2008 Isuzu Ascender 4.2L L6 Base 7-Passenger
2006 Chevrolet Trailblazer LS LT
2006 Chevrolet Trailblazer EXT LS LT
2006 GMC Envoy SLE SLT
2006 GMC Envoy XL SLE SLT
2006 Isuzu Ascender Base

Why Choose K&N?

  • Over 60 years developing performance filtration products
  • Dyno-tested gains with guaranteed horsepower and torque increases
  • Precision-engineered for exact vehicle fit and maximum airflow

Frequently Asked Questions

  • Q: Will the K&N 57-3062 fit my 2006 Chevrolet Trailblazer LS 4.2L?
    A: Yes it fits all 2002-2009 Trailblazer 4.2L L6 models including LS LT and EXT versions plus matching GMC Envoy and Isuzu Ascender
  • Q: What materials are used in the intake tube and filter?
    A: High-density polyethylene HDPE rotationally-molded tube and oversized conical oiled cotton gauze filter media both washable and durable
  • Q: What is the warranty and service interval?
    A: No-Hassle Lifetime Limited Warranty on the full system filter cleans every 100000 miles under highway conditions with K&N cleaning kit

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 20.75 x 11.75 x 11.75 inches
  • Weight: 9.3 lbs
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