GMB 420-3337 Engine Timing Belt Tensioner Hydraulic Assembly

The GMB 420-3337 is a hydraulic engine timing belt tensioner assembly engineered to maintain proper tension on the timing belt throughout its service life. Timing belt tensioners are a critical component in preventing belt slippage, skipped timing, and potential engine damage — making quality and reliability non-negotiable.

Key Features:

• Triple-Lip Seal Design — Maximizes grease retention and keeps contaminants out for long-term durability
• High Heat-Resistant Grease — Formulated to perform reliably under demanding engine temperatures
• Rigorous Quality Control — Every bearing component is tested to ensure consistent performance
• Precise Tolerances — Engineered for correct alignment and straightforward installation
• High-Performance Rated — Built to withstand the demands of daily driving and performance applications
• Global OEM Manufacturing Technology — Produced using the same standards as original equipment components

GMB North America has been a trusted manufacturer of automotive drivetrain and engine components since 1943, supplying both OEM and aftermarket markets worldwide. The 420-3337 hydraulic auto tensioner is a direct-fit replacement designed to restore proper timing belt function and protect your engine from the consequences of a loose or failed tensioner.