Mercury Serpentine Belt - 8M0218433

Mercury Serpentine Belt - 8M0218433

This belt is a key component for the Mercury outboard and MerCruiser inboard engine systems that use a serpentine belt for driving multiple accessories such as the alternator, power steering pump, water pump, and other engine-driven components. It is designed for long-lasting, reliable performance in harsh marine environments, helping to ensure that all engine accessories operate smoothly.

Replacing the serpentine belt is important because it powers several critical systems on your engine like the alternator, so if it fails, it will potentially leave you stranded and could cause further damage.

Fits:

• 175-225HP 3.4L V6 4-Stroke (SN 2B529482 & Above)
• 175HP Pro XS 3.4L V6 4-Stroke (SN 2B529482 & Above)
• 200-300HP Pro XS 4.6L V8 4-Stroke (SN 2B529485 & Above)
• 250-300HP CMS 4.6L V8 4-Stroke (SN 2B529482 & Above)
• 250-300HP AMS 4.6L Verado 4-Stroke (SN 2B529482 & Above)
• 250R 4.6L V8 4-Stroke (SN E1080500 & Above)
• 300R 4.6L V8 4-Stroke (SN E1080500 & Above)
• 450R 4.6L V8 4-Stroke (SN 1E083006 – 1E099720)
• 500R 4.6L V8 4-Stroke (SN 1E099432 & Above)