Carburetor oil priming pump for Stihl and McCulloch chainsaws

WALBRO Water Pump (with hole on top of the bulb)

Bulb diameter: 15 mm Lamp holder outer diameter (bulb holder): 21.5 mm

Replaces original part numbers: WALBRO 188-512, 188512, 188-512-1, 1885121, 683974, 791-683974B, 791683974B, 791683974

Suitable for: WALBRO WT23A - WYJ33 - WYJ34 - WYJ45 - WYJ86 Please allow for a 1-3 cm error due to manual measurement. Thank you for your understanding. Monitors are calibrated differently; the color of the items shown in the photos may vary slightly from the actual product. Please refer to the actual product.