Cooper Wesfil EFI Fuel Filter WZ387
The Cooper Wesfil WZ387 is a premium Electronic Fuel Injection (EFI) fuel filter manufactured to the highest automotive industry standards. This filter is engineered to deliver exceptional performance and reliability for your vehicle's fuel system.
Quality Assurance
Wesfil maintains its reputation as a trusted partner in the automotive aftermarket by sourcing filters from quality assured suppliers who manufacture to meet the performance requirements appropriate to the application. Each filter undergoes comprehensive testing including:
- Leak testing and flow resistance tests
- Pressure pulse testing
- Body print salt spray tests
- Thread checking and right angle tests
- Gasket and seal inspections
- High and low temperature testing
- Anti-drain back and relief valve tests
- Air leak testing
Manufacturing Standards
The WZ387 is manufactured to ISO/TS 16949 standards, meeting or exceeding OEM specifications. This automotive-specific quality management system ensures consistent performance and reliability.
Professional Installation
For optimal performance and warranty coverage, this filter should be installed by qualified staff according to manufacturer's specifications using appropriate quality parts.
Cross Reference Compatibility
This filter is interchangeable with Ryco Z387, Wix 33477, Fram G5237, and Sakura FS-1804.