Part #: 5061185

Dayco 5061185 Serpentine Belt

Main Drive and Fan, Alternator, Power Steering and Air Conditioning
⚙️ 67 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Hummer, Express 2500, Express 3500, H1, Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD
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Durable Serpentine Belt for Chevrolet, GMC, and Hummer Vehicles

The Dayco 5061185 serpentine belt is engineered to provide reliable performance for heavy-duty applications. Designed specifically for select Chevrolet, GMC, and Hummer models, this belt ensures consistent accessory drive operation under various temperature conditions.

  • Constructed from EPDM with aramid reinforcement for enhanced durability
  • Top width of 0.82 inches with a 6-rib K-section cross profile
  • Effective length approximately 118.5 inches (3009.9 mm) with an outside circumference near 119.16 inches (3026.67 mm)
  • Operates efficiently within a temperature range from -45°C to 212°F
  • Meets SAE J1459 and SAE J2432 industry standards for serpentine belts

Technical Specifications and Material Details

The Dayco 5061185 serpentine belt features a black EPDM rubber compound reinforced with aramid fibers, providing resistance to heat, wear, and stretching. Its 6-rib design with a straight rib profile and standard rib depth ensures optimal grip and smooth power transmission to accessory components. The K-section cross section balances flexibility and strength, suitable for demanding accessory drive systems found in Chevrolet Express 2500 and 3500, GMC Sierra 2500 HD and 3500 HD, Hummer H1, and GMC Savana 2500 and 3500 models.

Compatible Vehicles and Applications

This serpentine belt is compatible with the following vehicles:

  • Chevrolet Express 2500 and Express 3500
  • GMC Savana 2500 and Savana 3500
  • GMC Sierra 2500 HD, Sierra 3500, and Sierra 3500 HD
  • Chevrolet Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD
  • Hummer H1

Common Issues Addressed by This Serpentine Belt

  • Wear and cracking from prolonged heat exposure
  • Loss of tension leading to accessory slippage
  • Noise caused by rib misalignment or belt degradation
  • Reduced engine accessory performance due to belt stretch
  • Failure under extreme temperature fluctuations

Installation Notes and Tips

Ensure proper routing of the serpentine belt according to the vehicle’s belt diagram. Inspect pulleys and tensioners for wear before installation to prevent premature belt failure. Use a belt tension gauge if available to verify correct tension. Avoid twisting or forcing the belt during installation to maintain rib integrity.

Quality Assurance and Standards Compliance

The Dayco 5061185 serpentine belt complies with SAE J1459 and SAE J2432 standards, ensuring it meets industry requirements for durability and performance. Manufactured with aramid reinforcement and EPDM material, it is designed to withstand operating temperatures from -45°C to 100°C (212°F). While no specific warranty information is provided, Dayco products are generally produced under strict quality control processes to support reliable service life.

BrandDayco
Part Number5061185
MaterialEpdm, aramid reinforced
Top Width.82
ColorBlack
Effective Length118.50
Effective Length3009.90
Outside Circumference119.16
Outside Circumference3026.67
Rib Quantity6
Cross SectionK-section
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-42.7
Minimum Operating Temperature-45
Rib DepthStandard
Rib ProfileStraight rib
StandardsSae j1459, sae j2432

This part fits 67 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015ChevroletSilverado 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2015ChevroletSilverado 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2014ChevroletSilverado 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2014ChevroletSilverado 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2014GMCSierra 2500 HD6.6LV8Main DriveSingle alternator application.
2014GMCSierra 3500 HD6.6LV8Main DriveSingle alternator application.
2013ChevroletSilverado 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2013ChevroletSilverado 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2013GMCSierra 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2013GMCSierra 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2012ChevroletSilverado 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2012ChevroletSilverado 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2012GMCSierra 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2012GMCSierra 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2011ChevroletSilverado 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2011ChevroletSilverado 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2011GMCSierra 2500 HD6.6LV8Main DriveCompatible with single alternator systems.
2011GMCSierra 3500 HD6.6LV8Main DriveCompatible with single alternator systems.
2010ChevroletExpress 25006.6LV8Main DriveCompatible with single alternator systems.
2010ChevroletExpress 35006.6LV8Main DriveCompatible with single alternator systems.
2010GMCSavana 25006.6LV8Main DriveSingle Alt.
2010GMCSavana 35006.6LV8Main DriveSingle Alt.
2009ChevroletExpress 25006.6LV8Main DriveCompatible with single alternator systems.
2009ChevroletExpress 35006.6LV8Main DriveCompatible with single alternator systems.
2009GMCSavana 25006.6LV8Main DriveCompatible with single alternator systems.
2009GMCSavana 35006.6LV8Main DriveCompatible with single alternator systems.
2008ChevroletExpress 25006.6LV8Main DriveCompatible with single alternator systems.
2008ChevroletExpress 35006.6LV8Main DriveCompatible with single alternator systems.
2008GMCSavana 25006.6LV8Main DriveCompatible with single alternator systems.
2008GMCSavana 35006.6LV8Main DriveCompatible with single alternator systems.
2007ChevroletExpress 25006.6LV8Main DriveCompatible with single alternator systems.
2007ChevroletExpress 35006.6LV8Main DriveCompatible with single alternator systems.
2007GMCSavana 25006.6LV8Main DriveCompatible with single alternator systems.
2007GMCSavana 35006.6LV8Main DriveCompatible with single alternator systems.
2006ChevroletExpress 25006.6LV8Main DriveSingle Alt. w/145 Amp Alt.
2006ChevroletExpress 35006.6LV8Main DriveSingle Alt., w/145 Amp Alt.
2006GMCSavana 25006.6LV8Main DriveCompatible with vehicles equipped with a 145 Amp alternator.
2006GMCSavana 35006.6LV8Main DriveCompatible with vehicles equipped with a 145 Amp alternator.
2006HummerH1Main Drive
2005ChevroletSilverado 2500 HD6.6LV8Main DriveCompatible with vehicles equipped with a 145 Amp alternator.
2005ChevroletSilverado 35006.6LV8Main DriveCompatible with vehicles equipped with a 145 Amp alternator.
2005GMCSierra 2500 HD6.6LV8Main DriveCompatible with vehicles equipped with a 145 Amp alternator.
2005GMCSierra 35006.6LV8Main DriveCompatible with vehicles equipped with a 145 Amp alternator.
2004ChevroletSilverado 2500 HD6.6LV8Main DriveSingle Alt., w/105 Amp Alt., Calif.
2004ChevroletSilverado 2500 HD6.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2004ChevroletSilverado 35006.6LV8Main DriveSingle Alt., w/105 Amp Alt., Calif.
2004ChevroletSilverado 35006.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2004GMCSierra 2500 HD6.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2004GMCSierra 2500 HD6.6LV8Main Drivew/Single 105 Amp Alt., Calif.
2004GMCSierra 35006.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2004GMCSierra 35006.6LV8Main Drivew/Single 105 Amp Alt., Calif.
2003ChevroletSilverado 2500 HD6.6LV8Main DriveSingle Alt., w/105 Amp Alt., Calif.
2003ChevroletSilverado 2500 HD6.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2003ChevroletSilverado 35006.6LV8Main DriveSingle Alt., w/105 Amp Alt., Calif.
2003ChevroletSilverado 35006.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2003GMCSierra 2500 HD6.6LV8Main DriveSingle Alt., w/105 Amp Alt., Calif.
2003GMCSierra 2500 HD6.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2003GMCSierra 35006.6LV8Main DriveSingle Alt., w/105 Amp Alt., Calif.
2003GMCSierra 35006.6LV8Main Drivew/145 Amp Alt., Exc. Calif.
2002ChevroletSilverado 2500 HD6.6LV8Main Drivew/130 Amp Alt., Exc. Calif.
2002ChevroletSilverado 2500 HD6.6LV8Main Drivew/Single 105 Amp Alt., Calif.
2002ChevroletSilverado 35006.6LV8Main Drivew/130 Amp Alt., Exc. Calif.
2002ChevroletSilverado 35006.6LV8Main Drivew/Single 105 Amp Alt., Calif.
2002GMCSierra 2500 HD6.6LV8Main Drivew/130 Amp Alt., Exc. Calif.
2002GMCSierra 2500 HD6.6LV8Main Drivew/Single 105 Amp Alt., Calif.
2002GMCSierra 35006.6LV8Main Drivew/130 Amp Alt., Exc. Calif.
2002GMCSierra 35006.6LV8Main Drivew/Single 105 Amp Alt., Calif.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

6K1187K061187HD

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.