This electrical starter relay solenoid is compatible with a range of models including RZR 400 HO 4x4 (2010–2012), RZR 500 4x4 EFI (2006–2012), RZR 570 EFI (2012–2015), RZR 700 4x4 EFI (2007–2009), RZR 700 6x6 EFI (2007–2009), RZR 800 EFI (2008–2014), RZR Crew 700 4x4 EFI (2008–2009), RZR Crew 800 4x4 EFI (2010–2014), RZR XP 700 4x4 EFI (2006–2008), RZR 4 800 EFI (2010–2014), RZR 4 XP 900 (2012–2013), RZR 900 (2014–2016), RZR S 800 EFI (2009–2014), RZR XP 900 EFI (2011–2013), Scrambler 500 (2x2/4x4/6x6, 2007–2012), Scrambler 450 (2007), Scrambler 500 (2006–2010), Scrambler 700 (2007), Scrambler 800 (2007–2012), X2 550 (2010), XP 550 (2009), Trail Blazer 330 (2010–2013), Trail Boss 330 (2007–2012), Vegas/Vegas Jackpot (2006–2007), Vegas Hammer (2004–2007), and Touring (2004–2006).Includes one relay solenoid that replaces OEM part numbers 4012001 and 4010947.Dimensions: 77.3 mm (L) x 48.6 mm (W) x 36 mm (H).