For 1999-2000 GMC Sierra 2500 Fuel Injection Injection Pump Relay API 35867ZXYC

For 1998-1999 GMC K1500 Fuel Injection Injection Pump Relay API 33441CPHN 1996

For GMC Sierra 2500 HD Fuel Injection Injection Pump Relay API 95627BKPW

For Silverado 2500 HD Fuel Injection Injection Pump Relay API 71322KFBW

For Chevrolet Suburban 1500 Fuel Injection Injection Pump Relay API 61139RMWY

For Chevrolet K1500 Suburban Fuel Injection Injection Pump Relay API 67478JPRZ

For Chevrolet C1500 Suburban Fuel Injection Injection Pump Relay API 77273HPNG

For 1998-2000 GMC C2500 Fuel Injection Injection Pump Relay API 92386JKXP 1997