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Sierra 18-15121 Serpentine Belt for MerCruiser Stern Drive Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

118-15121
6 reviews
04/21/2036 12:46 PM
Sale Price

$80.89

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-15121 is a premium aftermarket serpentine belt engineered specifically for MerCruiser stern drive engines. This OEM-quality replacement belt delivers reliable performance and precise fitment for a wide range of MerCruiser applications.

Key Specifications:

  • Length: 87.5 inches
  • Width: 13/16 inch
  • Constructed with high-quality polychloroprene rubber for superior durability
  • Polyester fiber tensile members provide exceptional strength and dimensional stability
  • Oil-resistant construction withstands harsh marine environments
  • Temperature-stable design ensures consistent performance in extreme conditions

OEM Cross References:

  • MerCruiser 57-8638765
  • MerCruiser 57-865423005
  • MerCruiser 57-865615005
  • MerCruiser 57-865615Q05

Sierra serpentine belts are manufactured to meet or exceed original equipment specifications, ensuring correct fit, form, and function. Each belt undergoes rigorous quality control to provide dependable performance and long service life in demanding marine applications.

Good. So far.

Great. Just need better hours for customer service representative

Very fast shipping with standard rates. I was surprised!

Very quick checkout

Easy and quick purchase

Quick !!

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