Hydraulic Auto Tensioner – 420-5787

GMB Engine Timing Belt Tensioner Hydraulic Assembly. GMB is one of the world’s largest auto parts manufacturers, directly supplying many of the world’s major automakers – such as General Motors, Hyundai, Mazda, and Nissan – with production parts. Because GMB is an OE parts supplier, GMB parts are engineered, designed and built to the strictest design and manufacturing guidelines. GMB brand parts are backed by a 12 month warranty.