Specification:Clutch Diameter:111mm, 4.38 inchVoltage: 12vGrooves: 1Belt Width :7\/16 inchPart Name:a\/C CompressorPart Number:RD451-93900Applicable Models for:for Track Models:M5040dtc,M5040dtc-1,M5040fc,M5040fc-1,M5040hdc,M5040hdc-1M6040dtc,M6040dtc-1k,M6040fc,M6040fc-1,M6040hdc,M6040hdc-1M7040dtc,M7040dtc-1,M7040fc,M7040fc-1,M7040hdc,M7040hdc-1M8540dtc,M8540dtc-1,M8540fcm8540fc-1,M8540hdc,M8540hdc-1,M8540hdc12,M8540hdc12-1M9540dtc,M9540dtc-1,M9540fc,M9540fc-1,M9540hdc,M9540hdc-1,M9540hdc12,M9540hdc12-1Coil Position N\/aOil Quantity N\/aGauge Line 59mm, 2.32 inch Top Ear to Center of GroovePower: 5000Color: black+silverMaterial: plastic+metalPackage Contents:1 x Air Conditioning CompressorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.