GM Genuine Parts A/C Orifice Tubes are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These tubes, which separate the high and low pressure sides of the air conditioning system, control the flow of low pressure liquid refrigerant into the evaporator. The orifice tube is essentially a calibrated restriction located at the inlet to the evaporator. This causes the necessary pressure drop to allow the liquid refrigerant to evaporate within the evaporator and absorb heat. Since the orifice tube is fixed, the system is regulated by either cycling the compressor clutch or by a variable displacement compressor. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

• Restores A/C performance due to restricted orifice tubes
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
• GM regularly updates production and service part designs to integrate new materials and technologies

Color:	Yellow, White
Height (in):	0.5
Length:	3.488
Length:	88.6
Material:	Plastic, Brass
Programming Required:	No
Refrigerant Type:	R12 R134A
Tube Outside Diameter:	0.386
Tube Outside Diameter:	9.8
Weight (lb):	0.02
Width (in):	0.5

• 1994-1999 Cadillac DeVille
• 1994-2002 Cadillac Eldorado
• 1994-1997 Cadillac Seville
• 2002-2003 Cadillac DeVille
• 1997-2000 Chevrolet Venture
• 1997-2000 Oldsmobile Silhouette
• 1997-1998 Pontiac Trans Sport
• 1999-2000 Pontiac Montana
• 2000-2005 Buick LeSabre
• 2000-2005 Pontiac Bonneville
• 2002-2005 Chevrolet Astro
• 2002-2005 GMC Safari