Feature:1. OE Number: The referencing OE number of this alternator slip ring is 2894867, which is molded and designed depend on the original data.2. Fitment: The alternator slipring is a replacement for Valeo Alternators, please check the model of your alternator before ordering.3. Function: The slip ring directs the alternator rotor coil to the outside for measuring rotor current and controlling motor speed.4. Parameter: The inner diameter of this alternator slip ring is 6.7/9.0mm ID, the outside diameter is 14.9mm, and the length is 48.5mm.5. Easy to Install: Stringently manufactured to meet the original standard, perfect replacement for the old or broken one, improving the time efficiency.Specification:Item Type: Alternator Slip RingOE Number: 2894867.Material: ABS, copperSize: 6.7/9.0mm (0.26/0.35in) ID, 14.9mm/0.59in OD, 48.5mm/1.91in LPackage List:1 xAlternator Slip RingNote:Please double check the part number of your item, matching information is for reference only.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!Suitable for most internal fan with 4 mm slots