Stens 120-174 1 Primer Bulb Replaces Briggs & Stratton 694395 4180 5085H 496115 For (12 CID) backing plate mount engines 1" Outside diameter X 1" Height Briggs & Stratton part numbers: 4180,496115,5085H,5085K,694395 Primer bulb replacement Not compatible with greater than 10-percent ethanol fuel; stens part number 120-174 Replaces briggs and stratton 694395 4180 5085H 496115 for 12 CID backing plate mount engines