Description
Product Overview
The Mazda CX-5 cylinder cap is engineered as a direct replacement for the original master cylinder cap found in 2013‑2022 CX‑5 models. Constructed from robust black‑coated metal, it resists corrosion and wear while delivering a tight, leak‑free seal for the brake reservoir. Precise vehicle‑specific dimensions guarantee a seamless fit without the need for modifications. The part carries the manufacturer part number W0178‑W987223 and meets OEM quality standards.
Usage
Designed for everyday drivers, mechanics, and automotive enthusiasts, this cap is installed during routine brake system maintenance or after a cap failure. It performs reliably in all weather conditions, making it suitable for daily commuting, long‑distance travel, and off‑road adventures. 
Why Choose Us
Marketplace Auto Parts supplies components that match original equipment specifications, ensuring compatibility and safety. Each cap undergoes strict quality inspections and is backed by a satisfaction guarantee. Our streamlined supply chain provides fast shipping, and our customer support assists with fit verification and installation guidance.
Key Features
- Exact vehicle‑specific fit for 2013‑2022 Mazda CX‑5 models
- Durable black‑coated metal construction resists corrosion
- OEM‑grade quality ensures reliable brake system sealing
- Easy bolt‑on installation with no additional tools required
- Comes with manufacturer part number W0178‑W987223 for easy reference
FAQ
Is this cap compatible with all Mazda CX‑5 model years?
Yes, it fits model years 2013 through 2022, covering all trim levels that use the standard master cylinder design.
Do I need any special tools to install the cap?
No special tools are required. The cap bolts directly onto the existing threads using the standard torque specifications found in the vehicle service manual.
Will the black finish match the original part?
The cap features a high‑quality black coating that matches the OEM appearance and provides additional corrosion resistance.
Can I use this cap on other Mazda models?
This part is specifically engineered for the CX‑5. While it may physically fit similar models, we recommend using the exact part number for other vehicles to ensure proper sealing.
What is the warranty on this product?
Marketplace Auto Parts offers a one‑year limited warranty covering manufacturing defects. Contact our support team for warranty claims.





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