DAY89941

Name: FleetoneWD
Address: 1000 Northbrook Drive, Suite 100, Trevose, 19053, PA
Telephone: 2157855175

Belt Tensioner (D11/D13)

4.5 Ratings

Feature	Specification
Type	Heavy‑duty automatic belt tensioner (accessory drive)
Product Application	Volvo D11/D13 and Mack MP7/MP8 accessory serpentine belt systems
Direction of rotation	Counter‑clockwise
Belt type	Serpentine / multi‑rib
Number of pulleys	1 flat pulley
Pulley diameter	74 mm
Pulley width	38 mm
Pulley face	Flat (for multi‑rib belt)
Construction	Cast aluminum housing with flat‑spring, lubricated nylon pivot bushing

Automatically maintains correct belt tension and compensates for belt stretch on D11/D13 and MP7/MP8 accessory systems.
Flat‑spring design reduces tension variation and belt chirp while protecting accessory bearings from over‑tension.
Supplied as a complete assembly with pre‑installed flat pulley, ready for bolt‑on replacement.

Fits Volvo / Mack applications

Volvo VNL, VNR, VNM, VHD, VAH, VNX with D11/D13 engines (various 2014–2021 model years).
Mack Anthem, Granite, Pinnacle, TerraPro, LR, GU7/GU8/CXU/MRU/LEU with MP7/MP8 engines (approx. 2014–2022).

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