Notes: OEF3. 1987 Chevrolet R20. 1988 Chevrolet R20 4dr 5.7L V8. 1988 Chevrolet R20 4dr 4.8L 6 Cyl. 1988 Chevrolet R20 4dr 6.2L V8. 1988 Chevrolet R20 4dr 7.4L V8. Position: Rear. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.