This MotoRad Thermostat Bypass Pipe fits your 2005 2004 2003 2002 2001 GMC Sierra 3500 and is perfect for a tune up or performance upgrade. .
Genuine GM Thermostat Bypass Pipe Seal (O-Ring) 12582448
Genuine GM Thermostat Bypass Pipe Gasket 12635750
Genuine GM Thermostat Bypass Pipe Seal 94011603
Upper Radiator Bypass Pipe w Hose ends for Supercharger Turbo Foxbody Mustang
S551-15-280 BYPASS PIPE MAZDA S5 S550 16V DOHC 1.5 LTR TURBO DIESEL 2011-20
For 1987-1989, 1991-1996 Mercury Tracer Eng Coolant Bypass Pipe O-Ring Fel-Pro