Dayco Elastic Polyrib Belt 4PK850EE Moly Convoy DPF Cleaner is a

Convoy DPF Cleaner is a diesel fuel additive specifically formulated to improve the operation and reduce maintenance of Diesel Particulate Filters (DPF’s) and emission control systems in heavy duty diesel applications

Special design thermostat insert

DMH4034 (x1)

Low restriction to flow which makes it excellent at start up and when cold

Dayco Elastic Polyrib Belt 4PK850EE Moly Convoy DPF Cleaner is aThe Elastic (ELA) or "Stretch" belts are specifically designed for 2 to 4 point drives that do not require tensioning. Although these belts may look like standard polyrib belts, they are very different. These specially designed belts have self tensioning capabilities required by specific OE drives designed for a "stretch" belt. Vehicles that are manufactured with "stretch" belts MUST be replaced with "stretch" belts. These belts are NOT