HomeAir and Fuel Delivery > FiltersBosch 5203WS Air Filter
Part #: 5203WS

Bosch 5203WS Air Filter

Workshop Air Filter
⚙️ 33 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$17.75Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Workshop Air Filter
🚗Fitment: Lexus and Toyota, NX300h, RAV4, CT200h, Prius V, Prius, and Prius Plug-In
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Bosch Workshop Air Filter 5203WS

The Bosch Workshop Air Filter 5203WS is designed to provide reliable engine air filtration for select Lexus and Toyota models. This panel-shaped engine air filter ensures clean airflow, helping maintain engine performance and efficiency in vehicles like the Lexus NX300h and Toyota Prius.

  • Panel shape for precise fitment
  • Compatible with Lexus CT200h, NX300h and Toyota Prius, Prius Plug-In, Prius V, RAV4
  • One unit required per vehicle
  • Part number 5203WS for easy identification
  • Packaged with 112 cases per pallet for bulk supply

Detailed Product Description

The Bosch Workshop Air Filter 5203WS is engineered to meet the filtration needs of hybrid and conventional engines in specific Lexus and Toyota models. Its panel design allows for a secure and exact fit, ensuring that only clean air enters the engine. This filter is part of Bosch's Workshop Air Filter line, which focuses on delivering dependable filtration solutions tailored for professional automotive service environments. The Workshop Air Filter line emphasizes quality and compatibility, making it suitable for routine maintenance and replacement in workshop settings.

Compatible Vehicles and Applications

This engine air filter is compatible with the following makes and models:

  • Lexus CT200h
  • Lexus NX300h
  • Toyota Prius
  • Toyota Prius Plug-In
  • Toyota Prius V
  • Toyota RAV4

It is designed to replace the original air filter in these vehicles, ensuring proper engine air intake and filtration.

Common Issues Addressed by Bosch 5203WS Air Filter

  • Reduced engine performance due to clogged or dirty air filters
  • Increased fuel consumption from restricted airflow
  • Engine contamination from dust and debris
  • Unstable engine idling caused by poor air filtration
  • Potential damage to engine components from unfiltered air

Installation Notes and Tips

  • Ensure the engine is off and cool before replacing the air filter
  • Remove the old air filter carefully to avoid debris entering the intake
  • Verify the panel shape and size match the Bosch 5203WS filter
  • Install the filter with the correct orientation for a secure seal
  • Check the air filter housing for damage or debris before installation

Quality Assurance and Warranty

Bosch maintains strict quality control standards for the Workshop Air Filter line, including the 5203WS model. Each filter is manufactured to meet OEM specifications for fit and filtration performance. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to support professional automotive maintenance.

BrandBosch
Part Number5203WS
PositionWorkshop Air Filter
Cases Per Pallet (ORLY)112
ShapePanel
Unit(s) per Car Qty (ORLY)1

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2021LexusNX300h2.5LL4N/AWorkshop Air Filter
2020LexusNX300h2.5LL4N/AWorkshop Air Filter
2019LexusNX300h2.5LL4N/AWorkshop Air Filter
2018LexusNX300h2.5LL4N/AWorkshop Air Filter
2018ToyotaRAV42.5LL4ELECTRIC/GASN/AWorkshop Air Filter
2017LexusCT200h1.8LL4N/AWorkshop Air Filter
2017LexusNX300h2.5LL4N/AWorkshop Air Filter
2017ToyotaPrius V1.8LL4N/AWorkshop Air Filter
2017ToyotaRAV42.5LL4ELECTRIC/GASN/AWorkshop Air Filter
2016LexusCT200h1.8LL4N/AWorkshop Air Filter
2016LexusNX300h2.5LL4N/AWorkshop Air Filter
2016ToyotaPrius V1.8LL4N/AWorkshop Air Filter
2016ToyotaRAV42.5LL4ELECTRIC/GASN/AWorkshop Air Filter
2015LexusCT200h1.8LL4N/AWorkshop Air Filter
2015LexusNX300h2.5LL4N/AWorkshop Air Filter
2015ToyotaPrius1.8LL4N/AWorkshop Air Filter
2015ToyotaPrius Plug-In1.8LL4N/AWorkshop Air Filter
2015ToyotaPrius V1.8LL4N/AWorkshop Air Filter
2014LexusCT200h1.8LL4N/AWorkshop Air Filter
2014ToyotaPrius1.8LL4N/AWorkshop Air Filter
2014ToyotaPrius Plug-In1.8LL4N/AWorkshop Air Filter
2014ToyotaPrius V1.8LL4N/AWorkshop Air Filter
2013LexusCT200h1.8LL4N/AWorkshop Air Filter
2013ToyotaPrius1.8LL4N/AWorkshop Air Filter
2013ToyotaPrius Plug-In1.8LL4N/AWorkshop Air Filter
2013ToyotaPrius V1.8LL4N/AWorkshop Air Filter
2012LexusCT200h1.8LL4N/AWorkshop Air Filter
2012ToyotaPrius1.8LL4N/AWorkshop Air Filter
2012ToyotaPrius Plug-In1.8LL4N/AWorkshop Air Filter
2012ToyotaPrius V1.8LL4N/AWorkshop Air Filter
2011LexusCT200h1.8LL4N/AWorkshop Air Filter
2011ToyotaPrius1.8LL4N/AWorkshop Air Filter
2010ToyotaPrius1.8LL4N/AWorkshop 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:

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