12PCS, Gas Can Vent Caps for Plastic Gas Cans, Small Plastic Cap Kit, Yellow ...

Fuel Cap Compatible with XSZ40E 129cc Engine for Routine Maintenance Tasks

XSZ40E 129cc Engine Fuel Cap with Vent for Small Engine Fuel System Use

Replacement Fuel Tank Cap for XSZ40E 129cc Engine with Sealed Vent Design

Fuel Cap for XSZ40E 129cc Engine with Vent Design for Standard Refueling

XSZ40E 129cc Engine Compatible Fuel Cap with Vent for Outdoor Equipment

Vent-Type Fuel Cap Compatible with XSZ40E 129cc Small Gas Engine Models