K&N Engineering

K&N 57i Performance Airbox Intake 12-20 Holden Colorado 2.8L Diesel

SKU: knn57S-4521 UPC: 24844374004
Backordered – call for lead time

⚠ Call for Availability

Expected ship time: usually within 24–48 hours; some vendor items may take longer.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

$472.99

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

K&N's 57S-4521 swaps the factory airbox on 2012-2020 Holden Colorado models with the 2.8L four-cylinder turbo diesel for a fully enclosed injection-molded box with a removable lid, so the filter stays sealed from engine bay heat but remains easy to service.

Key Features

  • Fully enclosed injection-molded performance air box
  • Removable lid for straightforward filter access
  • Connects to the factory air intake hose
  • Red oiled cotton gauze filter, washable and reusable
  • Uses the original air box space and mounting points

Fitment

2012-2020 Holden Colorado, 2.8L L4 turbo diesel. Distributors also list 2016-2020 Holden Trailblazer 2.8L coverage.

Product Details

  • Brand: K&N Engineering
  • Manufacturer Part Number: 57S-4521
  • Product Style: 57i / 57S performance air box
  • K&N Million Mile Limited Warranty

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 15.0

Shipping Length: 24.0

Shipping Width: 16.0
California Emissions (CARB)
Not legal for sale or use on pollution-controlled motor vehicles in California or other states that adopt California emissions standards. For off-road and competition use only.
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.