Parts for your 2011 Toyota Mark x-Drive belt tensioner

2011 Toyota Mark X Drive-Belt Tensioner

Yes, the 2011 Toyota Mark X (GRX130/GRX133) is fitted with an automatic drive-belt (V‑ribbed belt) tensioner. This is confirmed by Toyota’s Repair Manual sections for the GRX130/133 platform under Engine Mechanical – V‑Ribbed Belt, the Toyota Electronic Parts Catalogue listing a “Tensioner Assy, V‑Ribbed Belt” for both 4GR‑FSE 2.5L and 2GR‑FSE 3.5L engines, and major aftermarket catalogues from Gates and Dayco that specify direct‑fit automatic tensioners for these engines.

The tensioner’s job is to keep the serpentine belt at the right tension as it drives key accessories like the alternator, water pump, A/C compressor and power steering pump. On the Mark X V6 engines, belt load and engine vibrations change constantly