High Performance Belt Tensioner and Pulley OEM Compatible for Mercedes-Benz OM457 Engine

Belt Tensioner and Pulley 950174 457002270 457200270 4572002970 4572004370 4572002270 4572003170 4572004070 for MERCEDES-BENZ

• 4572002270
• 4572002970
• 4572003170
• 4572004570
• A4572004370
• 4572004370S
• 457 200 43 70

• Febi Bilstein: 30722
• Gates: T38662
• Dayco: APV2446
• VKMC: VKMCV 51025
• DT Spare Parts: (available in the aftermarket)

• Pulley Outer Diameter: Approx. 78 mm
• Pulley Width: Approx. 42 mm
• Weight: Approx. 1.6 kg (specific to OE part 1.630 kg)
• Material: Metal, high-strength construction
• Engine Code Compatibility: OM 457.937

This belt tensioner is a genuine OEM engine accessory drive component designed to maintain correct tension of the drive belt. It automatically applies the required force to the drive belt, compensating for belt stretch and maintaining proper belt alignment during engine operation. This ensures reliable operation of belt-driven accessories such as the alternator, power steering pump, and air conditioning compressor. Manufactured to Mercedes-Benz factory specifications, it is designed for stable tension, smooth movement, and a long service life, helping to prevent belt squeal, slip, and wear.

• Mercedes-Benz Trucks (Actros, Axor, and other heavy-duty models)
• Mercedes-Benz Buses (Citaro, Evobus)
• Also suitable for other commercial vehicles such as KAMAZ
• All vehicles equipped with the OM 457 engine series