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USD 43.19
Part #: DAY5061188

Dayco 5061188 Poly Rib Serpentine Belt - Main Drive

2015 GMC Sierra 2500HD/3500HD V8 6.6L Duramax LML (Single Alternator)
Part #: DAY5061188
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The Dayco 5061188 Poly Rib Serpentine Belt - Main Drive is the perfect belt for the accessory drive on your engine. This belt is designed to be application specific for a direct-fit installation. Aramid noise resistant fibers are embedded in the rubber which makes this belt run quieter in worn or misaligned pulleys. XDP has the Dayco OE-style replacement components you need. Every Poly-Rib Belt is designed to meet or exceed SAE J1459 and SAE J2432 specifications. An advanced EPDM rubber compound provides this Belt with the durability and dependability needed to keep your accessory drive components performing properly.

  • Reduced Belt Noise
  • Constructed From EPDM Rubber Compound
  • Meets or exceeds SAE J1459 & SAE J2432 Specifications
  • Direct-Fit Replacement

Note: Only fits models with Single Alternator.

Vehicle Applications

2015 GMC Sierra 2500 HD 6.6L
2015 GMC Sierra 3500 HD 6.6L


  • MFG. Number 5061188
  • Manufacturer Name Dayco
  • Shipping Weight 0.81 lb.
  • Shipping Length 18.25 in.
  • Shipping Width 4 in.
  • Shipping Height 0.84 in.
  • Fuel Type Diesel
  • UPC 036687888907
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Cross Reference # 4061187, K061187, K061187HD, 12646376
  • Internal L1.00R0.00


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