Aftermarket Yamaha 90171-18M04 and Suzuki 09141-18005 Prop Nut Aftermarket Yamaha 90171-18M04 and Suzuki 09141-18005 Prop Nut Part#: S-18-3726 Interchange: GLM - 21241 Mallory - 9-73909 Suzuki Outboard - 09141-18005 Yamaha Outboard - 90171-18M04-00 MSRP: Was: Now: $16.85 Add to Cart