Part numbers: 640004, 640014, 640025, 640025A, 640025B, 640025C, 640017, 640017A, 640017B, 640117, 640117B, 640104. Compatible with Tecumseh Go Kart engines: 4.5HP, 5HP, 5.5HP, 6HP, and 6.5HP. Fits Tecumseh OHH50, OHH55, OHH60, OHH65, OHH, OHV, and HOR series engines.
