1. numbers for reference: 25008307, 25008219, 19207203. 2. Fit for C1500 Extended Cab Pickup 6.5 D 19931997. 3. Reduce black smoke and avoid power shortage, it has stable performance. 4. Small air intake resistance, more accurate signal, high reliability. 5. Extremely small pressure loss and large measurable flow range. Name:Mass Air Flow Sensor Item Type: Air Flow Meter Part Number:25008307 Condition: Part Number: 25008307, 25008219, 19207203 Fitment: Fit for C1500 Extended Cab Pickup 6.5 D 1993-1997 Fit for C2500 Extended Cab Pickup 6.5 D 1997-2000 Fit for C2500 Closed Off-Road Vehicle 6.5 D 1993-1998 Fit for C3500 Extended Cab Pickup 6.5 D 1997-2000 Fit for 5.7 1997-2000 Fit for 5.7 1998-2002 Fit for 5.7 V8 1992-1998 Fit for Convertible 5.7 1992-1995 Fit for Convertible 5.7 1997-2002 Fit for 5.7 1991-1997 Colour:silver Material:Plastic + Metal Package Contents: 1 x Mass Air Flow Sensor Only the above package content, other products are not included. Note: Light 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.