Gates K120903 | Serpentine Belt

Part Number
K120903
Micro-V Serpentine Drive Belt

Fits: 04-07 Peterbilt 378, 04-07 Peterbilt 379

Special Price $57.79 Regular Price $67.99
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Estimated Ship Date: 1 Business Day or Less

Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.

Micro-V belts provide peak operating performance while delivering the highest value available.

  • Meets or exceeds all specifications from the Original Equipment Manufacturer.
  • Designed for small diameter pulleys, backside idlers, and for use with (or without) automatic tensioners.
  • Special belt constructions eliminate belt noise, reduce tension loss, and solve problem drive applications.
  • Utilizes advanced materials like Aramid Fiber found in bullet-proof vests and crack and heat resistant EPDM materials.
  • Unique form grinding of each individual belt assures precise dimensional control.
  • Meets or exceeds SAE J1459, SAE J2432, and SAE J1596 specifications.

Gates - Driven By Possibility




BRAND: Gates




FEATURES:


  • Micro-V Serpentine Drive Belt
  • 2007-04 Peterbilt, 379, Cummins ISX Diesel, Fan & Alt.
  • Serpentine Drive Belt
  • Micro-V® Serpentine Drive Belt


SPECIFICS:


Belt MaterialEPDM
Cord MaterialPolyester
OE Comparison RatingOE Performance
Outside Circumference90.873
Outside Circumference2308
Rib Quantity12
SectionK
Top Width1.647
Top Width42
TypeAutomotive V-Ribbed Belt (Standard)

W/130A. Alt.


DOWNLOADS:




INTERCHANGE:


  • Dynacraft: 4120904APDYC
  • Goodyear: 4120904
  • Dynacraft: D8410001122295
  • Dynacraft: D8410006122295
  • Cummins: 3103836
  • Dynacraft: D8410003122295
  • Carquest: K120903HD
  • CARQUEST: K120903
  • ACDelco: K120903HD
  • NAPA Belts/Hose: 25-120903HD
  • Dayco: 903K12
  • Dayco: 5120903
  • Dynacraft: 4120904AP
  • NAPA Belts/Hose: 25-120903
  • ACDelco: 12K903

APPLICATIONS:


  • 2004-2007 Peterbilt 379 - Position: Fan and Alternator
  • 2004-2007 Peterbilt 378 - Position: Fan and Alternator
Customer Questions
Can a serpentine belt cause smoke?
Yes, a serpentine belt can cause smoke. A serpentine belt is an essential component of a vehicle's engine system. It drives various accessories such as the alternator, power steering pump, water pump, and air conditioning compressor. If the serpentine belt becomes worn, damaged, or misaligned, it can cause friction and generate smoke.
Why is my serpentine belt squealing?
The serpentine belt can squeal due to various reasons, including tension issues, worn-out belt, or a problem with the belt's pulleys.
Is my serpentine belt too tight?
If your serpentine belt is causing issues like excessive noise or accelerated wear on the pulleys, it may indicate that the belt is too tight.
Why did my serpentine belt come off?
Serpentine belts can come off due to factors such as belt wear, improper tension, misaligned pulleys, or a faulty tensioner.
What types of automotive products does Gates offer?
Gates offers a wide range of automotive products, including belts, hoses, tensioners, and more.
I'm looking for a replacement belt for my vehicle. Can you help me understand the different options available from Gates and recommend the best one for my specific make and model?
Yes, Gates offers a range of replacement belts for various applications. To find the best one for your specific make and model, it is recommended to consult the Gates website or reach out to their customer support.
Are there any specific maintenance for Gates products?
Yes, there are specific maintenance and installation guidelines to follow when using Gates products to ensure optimal performance and longevity.
Please, mind that only logged in users can submit questions

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