Direct match for OE 2878509: Fits Polaris Sportsman 500 HO 2008–2009 (incl. 4x4 HO EFI), Sportsman 500 HO Military TACOM 2009, Sportsman X2 500 2009, Sportsman X2 700 EFI 2008, Sportsman X2 800 EFI 2009, Sportsman Touring 800 EFI 2009.
Also fits when your vehicle uses the 6-pin, 4-position ignition switch (confirm the plug): Fits Sportsman family: 300 (2008–2010), 400/400 HO (2002–2014), 450/450 HO/EPS/Utility (2006–2020), 500/500 HO incl. 6×6 (2002–2013), 550/550 EPS (2010–2014), 570/570 EPS/SP (2014–2020), 600 Twin (2003–2005), 700 (2002–2007), 800 incl. 6×6 (2005–2016), 850/XP 850 (2009–2017), Touring 500/570/800/850 (2008–2020), X2 500/550/570/700/800 (2006–2014).
Fits Ranger family (confirm 6-pin switch): Ranger TM (2004–2006), XP 700 (2005–2009), XP 800 (2010–2012), XP 900 (2013–2019 incl. EPS/NorthStar/Deluxe), XP 1000 (2017), XP 570 Full-Size (2016).
Tip for buyers (kept concise in bullets): this pigtail repairs the vehicle-side 6-pin connector that plugs into the ignition switch; it does not replace the switch itself. Confirm your machine uses the 6-pin/4-position switch before ordering.
Primary OE (pigtail/repair kit): 2878509. Mates with ignition switch OE numbers (for identification of the matching 6-pin switch only): 4010390, 4011002, 4012165, 4012166. Common aftermarket interchange/keyword (pigtail kits): 100-1359. Note: Numbers above are used for search/reference; this listing sells the vehicle-side 6-pin connector pigtail, not the switch.
This connector pigtail is used with 6-pin, 4-position ignition key switches found on many Polaris ATV/UTV models. Typical matching switch OE numbers include 4010390, 4011002, 4012165, 4012166. If your current switch uses a different connector style or pin count, this pigtail will not fit—please visually confirm before purchase.