HomeAir and Fuel Delivery > FiltersK&N 33-2466 Engine Air Filter
Part #: 33-2466

K&N 33-2466 Engine Air Filter

⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$133.38Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of K&N 33-2466 Replacement Air Filter

The K&N 33-2466 replacement air filter is designed for high performance and durability, specifically engineered for Chevrolet and GMC heavy-duty trucks. This panel air filter uses premium cotton gauze material and comes pre-oiled for immediate use, ensuring efficient airflow and filtration for your engine.

  • High performance panel air filter with cotton gauze material
  • Flexible frame design for secure fitment
  • Pre-oiled filter requiring 5.83 oz (172 ml) of re-oiling
  • Dimensions: 13.125 in length, 9.438 in width, 2.063 in height
  • Washable and reusable for extended service life
  • Compatible with Chevrolet and GMC Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500 HD
  • 1,000,000 miles/10 year warranty

Detailed Product Description

The K&N 33-2466 engine air filter features a panel design constructed from multiple layers of cotton gauze, which provides effective filtration while maintaining optimal airflow. The flexible frame design allows for a precise fit in the airbox of Chevrolet and GMC heavy-duty trucks, including the Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models. This filter is pre-oiled, simplifying installation and ensuring immediate protection against contaminants. It is also washable and reusable, reducing the need for frequent replacements and supporting long-term maintenance.

Applications and Problem Solving

  • Replaces factory air filters in Chevrolet and GMC heavy-duty trucks
  • Improves engine air intake efficiency for better combustion
  • Helps prevent engine damage caused by dust and debris
  • Reduces airflow restriction compared to standard paper filters
  • Supports extended filter life with washable and reusable design

Installation Notes and Tips

When installing the K&N 33-2466 air filter, ensure the airbox is clean and free of debris before placing the filter. Since the filter is pre-oiled, no additional oiling is necessary at installation. For maintenance, clean and re-oil the filter using K&N’s recommended cleaning kit and follow the specified 5.83 oz (172 ml) re-oiling amount to maintain optimal performance.

Quality Assurance and Warranty

K&N backs the 33-2466 replacement air filter with a 1,000,000 miles or 10-year warranty, reflecting confidence in the product’s durability and performance. This warranty covers defects in materials and workmanship, providing assurance for Chevrolet and GMC truck owners seeking reliable air filtration solutions.

BrandK&N
Part Number33-2466
Air Filter MaterialCotton gauze
Air Filter ShapePanel
Filter Re-Oiling Amount5.83 oz (172 ml)
Frame DesignFlexible
Height2.063 in (52 mm)
Item TypeHigh performance
Oil IncludedFilter is pre-oiled
Outside Length13.125 in (333 mm)
Outside Width9.438 in (240 mm)
Package Contents1 air filter
Package MaterialPaperboard
Package Quantity1
Package TypeBox
Pre-ScreenedNo
Product StylePanel air filter
TitleK&n 33-2466 replacement air filter
Warranty1,000,000 miles/10 year
WashableYes
Weight2.3 lb (1 kg)

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016ChevroletSilverado 2500 HD6.6LV8N/AK&N Replacement Air Filter
2016ChevroletSilverado 3500 HD6.6LV8N/AK&N Replacement Air Filter
2016GMCSierra 2500 HD6.6LV8N/AK&N Replacement Air Filter
2016GMCSierra 3500 HD6.6LV8N/AK&N Replacement Air Filter
2015ChevroletSilverado 2500 HD6.6LV8N/AK&N Replacement Air Filter
2015ChevroletSilverado 3500 HD6.6LV8N/AK&N Replacement Air Filter
2015GMCSierra 2500 HD6.6LV8N/AK&N Replacement Air Filter
2015GMCSierra 3500 HD6.6LV8N/AK&N Replacement Air Filter
2014ChevroletSilverado 2500 HD6.6LV8N/AK&N Replacement Air Filter
2014ChevroletSilverado 3500 HD6.6LV8N/AK&N Replacement Air Filter
2014GMCSierra 2500 HD6.6LV8N/AK&N Replacement Air Filter
2014GMCSierra 3500 HD6.6LV8N/AK&N Replacement Air Filter
2013ChevroletSilverado 2500 HD6.6LV8N/AK&N Replacement Air Filter
2013ChevroletSilverado 3500 HD6.6LV8N/AK&N Replacement Air Filter
2013GMCSierra 2500 HD6.6LV8N/AK&N Replacement Air Filter
2013GMCSierra 3500 HD6.6LV8N/AK&N Replacement Air Filter
2012ChevroletSilverado 2500 HD6.6LV8N/AK&N Replacement Air Filter
2012ChevroletSilverado 3500 HD6.6LV8N/AK&N Replacement Air Filter
2012GMCSierra 2500 HD6.6LV8N/AK&N Replacement Air Filter
2012GMCSierra 3500 HD6.6LV8N/AK&N Replacement Air Filter
2011ChevroletSilverado 2500 HD6.6LV8N/AK&N Replacement Air Filter
2011ChevroletSilverado 3500 HD6.6LV8N/AK&N Replacement Air Filter
2011GMCSierra 2500 HD6.6LV8N/AK&N Replacement Air Filter
2011GMCSierra 3500 HD6.6LV8N/AK&N Replacement Air Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2594527449314500031772683314A3141CA36146AF1530AF6146CA11033DA3141LAF3141LX3211MA6146PA4466PA6146SA11033VA295WLAF3141

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.