🌟 【Detailed Specifications】 166-0820 is equivalent to 541-0522 for solid-state ignition only; 166-0804 is equivalent to 166-0772 for points ignition only. 🔍 【Part Numbers】 Includes 166-0820, 166-0772, 166-0804, 166-0648, 541-0522, 166-0761, HE166-0761, HE541-0522 ✨ 【Compatibility】 166-0772 Ignition Coil fits for Onan Points Models BF, BFA, BG, BGA, BGE, B43E, B43G, B43M, B48G, CCK, CCKA, CCKB, NHA, NHB, NHC, NHE, NHP, N52M 🏆 【Package Contents】 Includes 1 x 166-0648 ignition coil sets, just as the below description shows. ☮️ 【Easy Installation】 Hassle-free installation process for quick and convenient use. 【Part Numbers】 Includes 166-0820, 166-0772, 166-0804, 166-0648, 541-0522, 166-0761, HE166-0761, HE541-0522