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Part #: 5121WS

Bosch 5121WS Engine Air Filter

Workshop Air Filter
⚙️ 5 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
📦Workshop Air Filter
🚗Fitment: Ford, Focus
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Air Filtration for Ford Focus

The Bosch Workshop Air Filter 5121WS is designed to provide effective engine air filtration for your Ford Focus. This panel-shaped engine air filter ensures clean airflow, helping maintain engine performance and efficiency.

  • Panel shape for precise fitment
  • Compatible with Ford Focus models
  • Single unit per vehicle requirement
  • Part number 5121WS for easy identification
  • Available in bulk with 120 cases per pallet

About the Bosch Workshop Air Filter Line

The Bosch Workshop Air Filter line focuses on delivering dependable filtration solutions tailored for professional automotive maintenance. The 5121WS model is part of this line, engineered to meet the filtration needs of specific vehicle applications such as the Ford Focus, ensuring consistent air quality and engine protection.

Product Details and Specifications

This engine air filter features a panel shape designed to fit precisely within the air intake system of the Ford Focus. The filter is intended for single-unit use per vehicle, simplifying replacement and inventory management. With a GTIN of 00077212032969, the Bosch 5121WS is identifiable for streamlined ordering and compatibility verification.

Common Applications and Problem Solving

  • Prevents engine damage caused by dust and debris
  • Helps maintain optimal engine air flow and fuel efficiency
  • Reduces intake system contamination
  • Supports emission control by ensuring clean air intake
  • Minimizes engine wear due to airborne particles

Installation Notes and Tips

When replacing the Bosch Workshop Air Filter 5121WS on a Ford Focus, ensure the panel filter is seated correctly within the air box to avoid air bypass. Follow manufacturer guidelines for removal and installation to maintain proper sealing and filtration performance. Regular inspection and timely replacement are recommended to sustain engine health.

Quality Assurance and Warranty

Bosch maintains strict quality control standards for the Workshop Air Filter line, including the 5121WS. While specific warranty details are not provided here, Bosch products typically adhere to industry standards for durability and performance. Verify warranty coverage with the product documentation or supplier.

BrandBosch
Part Number5121WS
PositionWorkshop Air Filter
ShapePanel
Cases Per Pallet (ORLY)120
Unit(s) per Car Qty (ORLY)1

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordFocus2.0LL4N/AWorkshop Air Filter
2003FordFocus2.0LL4N/AWorkshop Air Filter
2002FordFocus2.0LL4N/AWorkshop Air Filter
2001FordFocus2.0LL4N/AWorkshop Air Filter
2000FordFocus2.0LL4N/AWorkshop Air Filter

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.