Serpentine Belt 2287 mm

Model # 21172788 Mfg # 8M0045986
3.1 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
Serpentine Belt 2287 mm image number 0
Serpentine Belt 2287 mm image number 1
Serpentine Belt 2287 mm
Model # 21172788 Mfg # 8M0045986
3.1 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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Mercury Marine Serpentine Belt 2287 mm (57-8M0045986)

This serpentine belt is a genuine Mercury Marine factory OEM part, not an aftermarket replacement. Carrying part number 57-8M0045986 and measuring 2287 mm in total length, this belt is engineered specifically for 2010 and newer Mercury Inboard Engines (MIE) in the 8.2L and 8.2L HO EC families. Using a genuine OEM belt ensures correct dimensional fit, proper tension characteristics, and long-lasting reliability in demanding marine inboard applications.

This belt is compatible with a wide range of 8.2L engine variants, including both base and high-output configurations of the MAG EC, MAG HO EC, HO EC, HORIZON, and standard MAG and MAG HO designations. Whether you are performing routine scheduled maintenance or replacing a worn belt, this part ensures the accessory drive system on your Mercury inboard engine operates as the manufacturer intended.

Key Features

  • Genuine Mercury Marine factory OEM part — not aftermarket
  • Belt length: 2287 mm
  • Part number: 57-8M0045986 (manufacturer SKU: 8M0045986)
  • Fits 2010 and newer Mercury Inboard Engines (MIE) 8.2L and 8.2L HO EC engines
  • Compatible applications include: 8.2 MAG / 8.2 MAG HO EC (H.O. and Base models), 8.2 HO EC (H.O. and Base), 8.2 HORIZON / 8.2 HO EC (H.O. and Base), 8.2L MAG / 8.2L MAG HO (H.O. and Base models)
  • MSRP: $66.99
  • Shipped in OEM packaging; non-returnable and non-refundable as an OEM Mercury special-order part per some distributors

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