Please read the positive reviews before proceeding with the ad. More than 30 positive reviews and no negative reviews, praise be to God. The ad: We have front speed gears and tree gears for GMC pickup 2500 from model 2006 to 1991. The most important parts in the gearbox. The required parts to solve the humming sound problem and some other problems. With the availability of some other parts for the same NV4500 gearbox. Original Korean manufacturing from a factory with quality certificates as shown in the pictures. With the possibility of shipping to all regions of the Kingdom. For communication, WhatsApp or call is preferred ( Phone number appears when clicking the contact button )