Gates K030243 Serpentine Belt - Water Pump

Gates Premium OE Micro-V Belt K030243

The Gates Premium OE Micro-V Belt K030243 is a precision-fit serpentine belt built for accessory drive applications that demand OE-style size, construction, and material selection. It is a 3-rib automotive V-ribbed belt made with EPDM belt material and polyester cord reinforcement for consistent operation in the water pump drive position.

Key Features

• Gates Premium OE Micro-V Belt, part number K030243
• 3-rib automotive V-ribbed belt for water pump drive applications
• EPDM belt material for durability in underhood conditions
• Polyester cord material for stable belt construction
• OE Performance rating for OE-style fit and function
• Cross section designation: K
• Effective length: 24.33 in. / 618 mm
• Outside circumference: 24.875 in. / 632 mm

Product Details

Gates Premium OE Micro-V belts are engineered to match OE size, construction, and materials so the belt tracks correctly and maintains proper drive performance. This K030243 serpentine belt is specified for water pump applications on select Buick, Cadillac, Oldsmobile, and Pontiac vehicles, including 2006-2011 Buick Lucerne, 2006-2011 Cadillac DTS, 1995-2005 Cadillac DeVille, 2004-2005 Pontiac Bonneville, 1995-2004 Cadillac Seville, 2001-2003 Oldsmobile Aurora, 1995-1999 Oldsmobile Aurora, and 1995-2002 Cadillac Eldorado. This part cross-references Dayco 5030243 for the same application.

What This Belt Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or visible wear on the belt surface
• Loss of proper drive to the water pump
• Belt tracking issues caused by incorrect size or construction
• Reduced accessory drive consistency on high-mileage vehicles

Installation Notes and Tips

Verify the belt routing and confirm the water pump application before installation. Compare the old belt length and rib count to K030243 to ensure the correct OE-style replacement. Inspect pulleys, tensioners, and the accessory drive path for wear or misalignment before installing the new belt, since those conditions can shorten belt life.

Quality Assurance

Gates builds this Premium OE Micro-V Belt to OE performance standards using EPDM construction and precision-fit dimensions for dependable accessory drive operation.