For 1987 Chevrolet R20 Auto Trans Downshift Relay Connector SMP 53488FYSN

For Chevrolet R20 Suburban Auto Trans Downshift Relay Connector SMP 59317CJBN

For 1987 Chevrolet V10 Auto Trans Downshift Relay Connector SMP 49429NCTS

For 1987 Chevrolet R10 Auto Trans Downshift Relay Connector SMP 57625WFNX

For 1987 Chevrolet V20 Auto Trans Downshift Relay Connector SMP 67179HGRV

For 1987-1991 Chevrolet G20 Auto Trans Downshift Relay Connector SMP 57781HHVM

For 1987-1988 Chevrolet V30 Auto Trans Downshift Relay Connector SMP 45717XPWX