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Part #: P3954WS

Bosch P3954WS Cabin Air Filter

Cabin Filter
⚙️ 27 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
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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
📦Cabin Filter
🚗Fitment: Mazda, 3, 3 Sport, 6, and CX-5
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Bosch Cabin Filter P3954WS for Mazda Vehicles

The Bosch Cabin Filter P3954WS is designed to maintain clean air inside your Mazda 3, Mazda 3 Sport, Mazda 6, and Mazda CX-5. This particulate cabin air filter helps reduce airborne contaminants, improving the air quality within your vehicle's interior.

  • OEM standard part ensuring reliable fit and function
  • Constructed with spunbound polyester and synthetic meltblow fibers for effective particulate filtration
  • Dimensions: 9.13 inches length, 7.91 inches width, 1.30 inches height
  • Foam automotive material for durability and proper sealing
  • Particulate cabin filter type designed to capture dust, pollen, and other particles
  • Single filter quantity per package

About the Bosch Cabin Filter Product Line

The Bosch Cabin Filter line focuses on delivering OEM-quality filtration solutions tailored to specific vehicle models. The P3954WS is part of this line, engineered to meet the filtration standards required for maintaining air quality inside Mazda vehicles. Bosch uses advanced filter media materials such as spunbound polyester combined with synthetic meltblow fibers to provide effective particulate removal without the use of activated carbon or HEPA layers in this particular model.

Detailed Product Description

The Bosch Cabin Filter P3954WS is a particulate filter designed to fit select Mazda models including the Mazda 3, Mazda 3 Sport, Mazda 6, and Mazda CX-5. Its filter media consists of spunbound polyester along with synthetic meltblow fibers, which work together to trap dust, pollen, and other airborne particles. The filter measures approximately 9.13 inches in length, 7.91 inches in width, and 1.30 inches in height, ensuring a precise fit within the HVAC system. The foam material used in the filter's construction helps maintain a secure seal, preventing unfiltered air from entering the cabin. This filter does not include an activated carbon pre-filter or HEPA filter, focusing solely on particulate filtration to maintain clean air inside your vehicle.

Common Applications and Issues Addressed

  • Reduces dust and pollen entering the vehicle cabin
  • Helps minimize allergens for improved passenger comfort
  • Prevents debris buildup in the HVAC system
  • Maintains air quality for occupants during driving
  • Supports HVAC system efficiency by filtering particulates

Installation Notes and Tips

When replacing the Bosch Cabin Filter P3954WS in your Mazda 3, Mazda 3 Sport, Mazda 6, or Mazda CX-5, ensure the filter is installed in the correct orientation as indicated by airflow direction markings. Refer to your vehicle’s owner manual for the exact location of the cabin filter housing, typically behind the glove compartment or under the dashboard. Regular replacement intervals are recommended to maintain optimal air quality and HVAC performance.

Quality Assurance and Warranty

As an OEM standard part, the Bosch Cabin Filter P3954WS meets strict quality and performance standards. Bosch is known for manufacturing durable automotive components, and this cabin filter is no exception. While specific warranty details are not provided, Bosch products typically come with manufacturer-backed quality assurance to ensure reliable operation within the specified vehicle applications.

BrandBosch
Part NumberP3954WS
PositionCabin Filter
Length9.133858
Filter Media MaterialSpunbound polyester along with synthetic meltblow fibers
Width7.913386
Height1.299213
Activated Carbon Pre-Filter For Odor RemovalNo
Automotive Item TypeOem standard part
Automotive MaterialFoam
Cabin Filter TypeParticulate
Cases Per Pallet (ORLY)12
Filter Quantity1
HEPA FilterNo
Unit(s) per Car Qty (ORLY)1

This part fits 27 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2020Mazda6N/ACabin Filter
2020MazdaCX-5N/ACabin Filter
2019Mazda6N/ACabin Filter
2019MazdaCX-5N/ACabin Filter
2018Mazda3N/ACabin Filter
2018Mazda3 SportN/ACabin Filter
2018Mazda6N/ACabin Filter
2018MazdaCX-5N/ACabin Filter
2017Mazda3N/ACabin Filter
2017Mazda3 SportN/ACabin Filter
2017Mazda6N/ACabin Filter
2017MazdaCX-5N/ACabin Filter
2016Mazda3N/ACabin Filter
2016Mazda3 SportN/ACabin Filter
2016Mazda6Grand TouringN/ACabin Filter
2016Mazda6SportN/ACabin Filter
2016Mazda6TouringN/ACabin Filter
2016MazdaCX-5N/ACabin Filter
2015Mazda3N/ACabin Filter
2015Mazda3 SportN/ACabin Filter
2015Mazda6N/ACabin Filter
2015MazdaCX-5N/ACabin Filter
2014Mazda3N/ACabin Filter
2014Mazda3 SportN/ACabin Filter
2014Mazda6N/ACabin Filter
2014MazdaCX-5N/ACabin Filter
2013MazdaCX-5N/ACabin 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:

KD4561J6X

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