Feature 1,Part Number: Manufactured according to strict original specifications, ignition coil OEM numbers are 339 856991A1, 339 850227, 18 5187. 2,Applicable Model: Fit for EFI 200 6 Cyl 2.5L 1998‑2006 Fit for EFI 225 6 Cyl 3.0L 1998‑2006 Fit for Optimax 135 150 175 6 Cylinder 2.5L Fit for Sport Jet 250 6 Cyl 3.0L 2002‑2006. 3,Function: Converts the low voltage current of the vehicle to a high voltage current. Improve combustion efficiency, enhance ignition energy, easy to start. 4,Ideal Replacement: Meet or exceed OEM manufacturing standards, designed to match the fit and function of the original ignition coil. 5,Durable Material: Made of quality ABS material, the shell is sturdy and durable, with excellent waterproof performance, can adapt to wet and harsh working environment. Item Type: Ignition Coil Material: ABS OEM: 339 856991A1, 339 850227, 18 5187 Fitment: Fit for EFI 200 6 Cyl 2.5L 1998-2006 Fit for Optimax 135 6 Cyl 2.5L 1998-2006 Fit for Optimax 150 6 Cyl 2.5L 1998-2006 Fit for Optimax 175 6 Cyl 2.5L 2001-2006 Fit for EFI 225 6 Cyl 3.0L 1998-2006 Fit for Sport Jet 250 6 Cyl 3.0L 2002-2006 Package List 1 x Ignition Coil Note 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item,