HomeAir and Fuel Delivery > FiltersDenso 143-3309 Air Filter
Part #: 143-3309

Denso 143-3309 Air Filter

FTF Air Filter
⚙️ 29 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦FTF Air Filter
🚗Fitment: Ford and Mercury, Ranger, Explorer Sport Trac, Explorer, and Mountaineer
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Overview of the Denso 143-3309 Engine Air Filter

The Denso 143-3309 engine air filter is designed specifically for Ford and Mercury vehicles, including the Explorer, Explorer Sport Trac, Mountaineer, and Ranger models. This square-shaped air filter ensures proper airflow and filtration to maintain engine performance and longevity.

  • Compatible with Ford Explorer, Explorer Sport Trac, Mountaineer, and Ranger
  • Part number 143-3309 for precise identification
  • Square shape with dimensions: 227 mm (Side A) x 196 mm (Side B) x 57 mm height
  • Engine air filter category for air and fuel delivery systems
  • Part of the Denso FTF Air Filter product line

Detailed Product Description and Attributes

The Denso 143-3309 engine air filter features a square design with a height of 57.0 mm, a Side A length of 227.0 mm, and a Side B length of 196.0 mm. These precise dimensions ensure a proper fit within the air intake system of compatible Ford and Mercury vehicles. The filter is engineered to effectively trap dust, dirt, and other airborne contaminants, helping to protect the engine’s internal components and maintain optimal combustion efficiency.

This air filter belongs to the Denso FTF Air Filter line, which focuses on delivering reliable filtration performance tailored to specific vehicle applications. The FTF Air Filter series is designed to meet or exceed OEM specifications, providing consistent airflow and filtration quality for the vehicles it supports.

Applications and Common Issues Addressed

  • Prevents engine damage caused by dust and debris entering the intake system
  • Helps maintain fuel efficiency by ensuring clean airflow
  • Reduces engine wear and prolongs engine life
  • Improves overall engine performance and responsiveness
  • Minimizes the risk of clogged air passages that can lead to reduced power

Installation Notes and Tips

When installing the Denso 143-3309 engine air filter, ensure the filter is seated correctly within the air filter housing to prevent unfiltered air from bypassing the filter element. Verify that the dimensions match the original filter to avoid fitment issues. It is recommended to inspect the air filter housing for debris and clean it before installing the new filter. Regular replacement intervals should be followed according to the vehicle manufacturer’s maintenance schedule.

Quality Assurance and Warranty

Denso manufactures the 143-3309 engine air filter to meet strict quality standards, ensuring durability and reliable filtration performance. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For warranty information, refer to Denso’s official documentation or contact authorized service providers.

BrandDenso
Part Number143-3309
PositionFTF Air Filter
Height57.0
ShapeSQUARE
Side A Length227.0
Side B Length196.0

This part fits 29 vehicles. Search below:

YearMakeModelPositionNotes
2011FordRangerN/AFTF Air Filter
2010FordRangerN/AFTF Air Filter
2009FordRangerN/AFTF Air Filter
2008FordRangerN/AFTF Air Filter
2007FordRangerN/AFTF Air Filter
2006FordRangerN/AFTF Air Filter
2005FordExplorer Sport TracN/AFTF Air Filter
2005FordRangerN/AFTF Air Filter
2004FordExplorer Sport TracN/AFTF Air Filter
2004FordRangerN/AFTF Air Filter
2003FordExplorer Sport TracN/AFTF Air Filter
2003FordRangerN/AFTF Air Filter
2002FordExplorer Sport TracN/AFTF Air Filter
2002FordRangerN/AFTF Air Filter
2001FordExplorerN/AFTF Air Filter
2001FordExplorer Sport TracN/AFTF Air Filter
2001FordRangerN/AFTF Air Filter
2001MercuryMountaineerN/AFTF Air Filter
2000FordExplorerN/AFTF Air Filter
2000FordRangerN/AFTF Air Filter
2000MercuryMountaineerN/AFTF Air Filter
1999FordExplorerN/AFTF Air Filter
1999FordRangerN/AFTF Air Filter
1999MercuryMountaineerN/AFTF Air Filter
1998FordExplorerN/AFTF Air Filter
1998FordRangerN/AFTF Air Filter
1998MercuryMountaineerN/AFTF Air Filter
1997FordExplorerN/AFTF Air Filter
1997MercuryMountaineerN/AFTF 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:

2L2Z 9601-AC

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