Heater/AC Knob; Hang Loose Heater/AC Knob; Hang Loose; Blue; Set Of 3; CHEVROLET GMC SIERRA 1500 SIERRA 1500 HD SIERRA 2500 SIERRA 2500 HD SIERRA 3500 SILVERADO 1500 SILVERADO 1500 HD SILVERADO 2500 SILVERADO 2500 HD SILVERADO 3500 BASE C3 DENALI HT LS LT SL SLE SLT WT 1999 2000 2001 2002 4.3L L35 (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 Vortec (294) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III LM7 Vortec (325) 6.6L Duramax Turbo Diesel LB7 (403) 6L GEN III Bi-Fuel LQ4 Vortec (364) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 8.1L L18 Vortec (496) BI-FUEL CNG DIESEL FLEX GAS AMI AMI Heater/AC Knob Hang Loose (Blue) - 9400HLB 9400HLB Dash Knob