Compatibility: These primers bulbs are compatible for TD18, TD24, TG33 models and replace 7 07042, B1SB8532, and part numbers 4112 358 2500 & 49043 2065 Design Features: Each bulb measures 19x17mm, featuring a compact and efficient design for seamless integration into compatible carburetor systems Included Components: The package includes 10 sturdy carburetor primers bulbs, providing a efficient replacement solution for maintenance and repairs Product Overview: The 10 piece carburetor primers bulb set is a sturdy aftermarket replacement designed for easy installation and optimal in various small engines Durability: Made from sturdy black, these primers bulbs ensures long time use and resistance to wear, even under frequent engine priming conditions, Manufacturer: HENYGEN