Features & Benefits
- Compatible with Cummins ISB QSB 4B3.9, B4.5, B6.7, 6B5.9, 6C engines.
- High-quality metal construction ensures long-lasting durability.
- Easy installation saves time and effort—no specialized skills required.
- Effectively restores belt tension for optimal vehicle performance.
- Eliminates noise issues from the tensioner pulley.
- Ideal replacement for old or broken air conditioner belt tensioners.