GMB 446-3717 Engine Timing Belt Tensioner Hydraulic Assembly

GMB 446-3717 Timing Belt Tensioner Assembly

The GMB 446-3717 engine timing belt tensioner hydraulic assembly is built for precise belt control in select Hyundai and Kia applications. Manufactured to meet or exceed OEM specifications, it supports stable belt tension and consistent timing system operation.

Key Features

• Engine timing belt tensioner hydraulic assembly for valve train service
• Metal pulley construction for durability
• 1-groove pulley design
• Serpentine and V-belt pulley/belt type
• Direct replacement part number 446-3717
• Cross-references Dayco 85061 and Gates T43187 for the same application

Application Details

Compatible with 2006-2009 Kia Optima, 2007-2010 Kia Magentis, 2007-2012 Kia Rondo, and 2007-2009 Hyundai Santa Fe. This GMB 446-3717 tensioner assembly is a fitment-based replacement for timing belt service on these vehicles, including Kia Optima and Hyundai Santa Fe applications where OE-level belt control is required.

Built to OEM-level specifications, the assembly is intended to maintain proper belt tension across the timing system. The metal pulley and single-groove layout support dependable operation in engine service environments where consistent alignment matters.

Common Problems This Part Can Address

• Timing belt slack or inconsistent belt tension
• Noise from a worn hydraulic tensioner assembly
• Belt tracking issues caused by pulley wear
• Timing service replacement on high-mileage Hyundai and Kia engines
• Restoring proper tension control during engine maintenance

Installation Notes and Tips

Replace the tensioner during timing belt service and verify all timing marks before engine startup. Inspect the belt, pulleys, and related components for wear, and confirm the pulley groove and belt routing match the original setup. Use the vehicle service manual for torque and timing procedures specific to the application.

Quality Assurance

GMB manufactures this part to meet or exceed OEM specifications for fit and function. Part number 446-3717 is engineered for the listed Hyundai and Kia applications, including 2006-2009 Kia Optima and 2007-2009 Hyundai Santa Fe service needs.