![PTM Watersports KNB-17 Replacement Knob f/UCX-17 PRO Mirror - Silver [P13157-105] Brand_Humminbird Power A MM21 - Electronic](https://cdn.shopify.com/s/files/1/0847/8602/0648/files/87609XL.jpg?v=1724911834)
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Power A MM21 - Electronic Control Package
3 blade folding propeller and 4 blade up to 23″
MEK-4 Microphone Extension Kit
complete with bracket and hardware
The smaller footprint of the compact gear pump increases installation
PTM Watersports KNB-17 Replacement Knob f/UCX-17 PRO Mirror - Silver [P13157-105] Brand_Humminbird Power A MM21 - ElectronicKNB 17 Replacement Knob for UCX 17 PRO Mirror Silver The KNB 17 replacement knob is machined from billet aluminum and is anodized for years of maintenance free use. *Sold as an Individual
US$ 22.00
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US$ 32.50
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US$ 48.00
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