Surface size is 2" (50mm) x 1" (25mm). Standard size mounting hole 1.41" (36mm) x .86" (22mm). This is the standard size of most switch holes in modern vehicles. Introductions: 1, 2 port DC 5V 3.1A USB socket charger, input: 12-30V. 2, This is a great quality USB charger very reliable range of 12v p...

The Sierra 18-5406 Rotor is interchangeable with the following: GLM 71120, Mallory 9-29220, Mercruiser 811636, 898253011, 811636-1, 8M001254, 802468, OMC 986651, Volvo Penta 3854261. Each Sierra product meets or exceeds the original equipment part it replaces.