HomeAir and Fuel Delivery > FiltersBaldwin PA4345 Air Filter
Part #: PA4345

Baldwin PA4345 Air Filter

⚙️ 41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 5, 3, and 3 Sport
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Overview of Baldwin PA4345 Engine Air Filter

The Baldwin PA4345 engine air filter is designed specifically for select Mazda models, including the Mazda3, Mazda5, and Mazdaspeed3. This filter features an attached gasket and precise dimensions to ensure a proper fit and reliable engine protection.

  • Compatible with Mazda3, Mazda5, and Mazdaspeed3 vehicles
  • Includes one attached gasket for secure sealing
  • Dimensions: 10 27/32 inches length, 7 3/8 inches width, 2 3/32 inches height (275.4 x 187.3 x 53.2 mm)
  • Replaces Mazda part numbers LF50-13-Z40A and LF50-13-Z40-9U

Detailed Product Description

The Baldwin PA4345 engine air filter is engineered to meet the specifications required by Mazda vehicles such as the Mazda3, Mazda5, and Mazdaspeed3. With an attached gasket, this filter ensures a tight seal within the air intake system, preventing unfiltered air from entering the engine. Its dimensions—10 27/32 inches in length, 7 3/8 inches in width, and 2 3/32 inches in height—match the original equipment manufacturer (OEM) standards, providing a direct replacement for Mazda part numbers LF50-13-Z40A and LF50-13-Z40-9U. This precise fitment helps maintain optimal airflow and engine performance.

Common Applications and Problem Solving

  • Prevents engine damage caused by dust and debris
  • Helps maintain fuel efficiency by ensuring clean air intake
  • Reduces engine wear and prolongs engine life
  • Addresses issues related to clogged or dirty air filters
  • Supports consistent engine performance in Mazda3, Mazda5, and Mazdaspeed3 models

Installation Notes and Tips

Installation of the Baldwin PA4345 engine air filter is straightforward for compatible Mazda models. Before installation, ensure the engine is off and cool. Remove the old air filter carefully to avoid debris entering the intake. Verify the attached gasket is intact and properly seated to prevent air leaks. Align the filter according to the OEM specifications and secure it firmly in place. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule are recommended.

Quality Assurance and Warranty

Baldwin engine air filters are manufactured to meet industry standards for filtration and durability. The PA4345 model is designed to provide reliable performance and protection for Mazda engines. While specific warranty details may vary, Baldwin typically offers coverage against defects in materials and workmanship. Consult Baldwin’s official documentation or authorized distributors for precise warranty information.

BrandBaldwin
Part NumberPA4345
Attached Gasket[1] Attached
Fits"Mazda3, Mazda5, MazdaSpeed3"
Height2 3/32
Height (mm)53.2
Length10 27/32
Length (mm)275.4
Replaces"Mazda LF50-13-Z40A, LF50-13-Z40-9U"
Width7 3/8
Width (mm)187.3

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016Mazda52.5LL4N/AOE Number : LF5013Z409U
2015Mazda52.5LL4N/AOE Number : LF5013Z409U
2014Mazda52.5LL4N/AOE Number : LF50-13-Z40-9U
2013Mazda32.0LL4N/AOE Number : LF5013Z409U
2013Mazda32.3LL4N/AOE Number : LF5013Z409U
2013Mazda32.5LL4N/AOE Number : LF5013Z409U
2013Mazda3 Sport2.0LL4N/AOE Number : LF5013Z409U
2013Mazda3 Sport2.5LL4N/AOE Number : LF5013Z409U
2013Mazda52.5LL4N/AOE Number : LF50-13-Z40-9U
2012Mazda32.0LL4N/AOE Number : LF5013Z409U
2012Mazda32.3LL4N/AOE Number : LF5013Z409U
2012Mazda32.5LL4N/AOE Number : LF5013Z409U
2012Mazda3 Sport2.0LL4N/AOE Number : LF5013Z40A
2012Mazda3 Sport2.5LL4N/AOE Number : LF5013Z40A
2012Mazda52.5LL4N/AOE Number : LF50-13-Z40-9U
2011Mazda32.0LL4N/AOE Number : LF5013Z409U
2011Mazda32.3LL4N/AOE Number : LF5013Z409U
2011Mazda32.5LL4N/AOE Number : LF5013Z409U
2010Mazda32.0LL4N/AOE Number : LF50-13-Z40-9U
2010Mazda32.3LL4N/AOE Number : LF50-13-Z40-9U
2010Mazda32.5LL4N/AOE Number : LF50-13-Z40-9U
2010Mazda3 Sport2.0LL4N/AOE Number : LF5013Z40A
2010Mazda3 Sport2.5LL4N/AOE Number : LF5013Z40A
2010Mazda52.3LL4N/AOE Number : LF50-13-Z40-9U
2009Mazda32.0LL4N/AOE Number : LF50-13-Z40-A
2009Mazda32.3LL4N/AOE Number : LF50-13-Z40-9U
2009Mazda3 Sport2.0LL4N/AOE Number : LF5013Z40A
2009Mazda52.3LL4N/AOE Number : LF50-13-Z40-9U
2008Mazda32.0LL4N/AOE Number : LF50-13-Z40-9U
2008Mazda32.3LL4N/AOE Number : LF50-13-Z40-9U
2008Mazda52.3LL4N/AOE Number : LF50-13-Z40A
2007Mazda32.0LL4N/AOE Number : LF50-13-Z40A
2007Mazda32.3LL4N/AOE Number : LF50-13-Z40A
2007Mazda52.3LL4N/AOE Number : LF50-13-Z40A
2006Mazda32.0LL4N/AOE Number : LF50-13-Z40A
2006Mazda32.3LL4N/AOE Number : LF50-13-Z40A
2006Mazda52.3LL4N/AOE Number : LF50-13-Z40A
2005Mazda32.0LL4N/AOE Number : LF50-13-Z40A
2005Mazda32.3LL4N/AOE Number : LF50-13-Z40A
2004Mazda32.0LL4N/AOE Number : LF50-13-Z40A
2004Mazda32.3LL4N/AOE Number : LF50-13-Z40A

* 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:

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