GMB 3448-4287 Engine Timing Belt Kit with Water Pump

The GMB 3448-4287 is a complete engine timing belt kit with water pump, offering a convenient one-box solution for timing system service. GMB bundles their industry-leading water pump with all the hardware and components required for a full timing belt replacement, eliminating the need to source parts separately and reducing overall labor time.

All components in this kit meet or exceed OEM specifications. The timing belt is sourced directly from OEM belt manufacturers, while the GMB-manufactured water pump is engineered to match OE coolant flow rate and pressure. Timing belt tensioners are produced using advanced bearing technology with automatic defect detection during manufacturing to ensure reliable performance.

Kit Contents:

• OEM-sourced timing belt
• GMB water pump with premium-quality bearing for quiet, long-lasting operation
• Timing belt tensioner(s)
• Hydraulic tensioner (where applicable)
• Idler bearing(s) and idler pulleys
• OEM camshaft and crankshaft seals

Key Features:

• All parts meet or exceed OEM standards for direct-fit, easy installation
• Timing belts sourced from OEM manufacturers including Mitsuboshi, Bando, and Continental
• Water pump manufactured to match OE coolant flow rate and pressure
• Advanced bearing technology in tensioners with in-process defect detection
• OEM crankshaft and camshaft seals included for proper sealing
• Complete one-box kit reduces labor time versus sourcing components individually

GMB has supplied timing components to both OEM automakers and the aftermarket for decades, with water pumps manufactured in GMB facilities in Japan, Korea, Thailand, and China under strict OEM specifications. Choosing a complete timing belt and water pump kit ensures all wear items are renewed simultaneously, extending the service life of the entire timing system.