Details

• Brand:

  

• SKU:

  11720-JA10B

• Other Names:

  Belt-FanAndAlternator, Accessory Drive Belt, Engine Drive Belt, Multi-Rib Belt, Serpentine Drive Belt

• Description:

  Engine Serpentine Belt – Accessory Drive Belt (11720-JA10B)

  OEM Replacement Part for Nissan

  Hearing squealing, noticing cracks, or experiencing inconsistent accessory performance? Restore reliable engine operation with the Genuine Nissan Serpentine Belt (11720-JA10B). This belt is responsible for driving critical engine accessories and maintaining proper power delivery under all driving conditions.

  Manufactured to Nissan’s exact factory specifications, this OEM serpentine belt is constructed from high-quality EPDM rubber with reinforced cords to ensure proper grip, consistent tension, and long service life. It is the correct replacement to maintain smooth, quiet accessory operation and protect vital engine systems.

  VIN Verification Required

  Always verify compatibility by VIN before ordering.
  Enter your VIN using the VIN lookup on our homepage — every order is reviewed by a certified Nissan parts specialist to verify fitment before shipping.

  Specifications

  Part Type: Serpentine Drive Belt (Accessory Belt)
  System: Engine / Accessory Drive
  Location: Engine front
  Material: OEM-grade EPDM rubber with reinforced fiber cords
  Function: Transfers power from the crankshaft pulley to engine accessories
  Included: One serpentine belt

  Compatible Nissan Models

  This OEM serpentine belt fits select Nissan vehicles (fitment may vary by engine and accessory layout):

  2006–2012 Nissan Altima (L32US)
  2007–2013 Nissan Altima Coupe (CL32US)
  2008–2015 Nissan Maxima (A35US)
  2007–2014 Nissan Murano (Z51US)
  2010–2014 Nissan Murano CrossCabriolet (CZ51US)

  Always confirm fitment using your VIN before ordering.

  Key Features

  • OEM-engineered for precise length, rib profile, and tension
  • Reinforced construction resists stretching and glazing
  • Designed for quiet operation with reduced vibration
  • Heat- and wear-resistant materials for extended service life
  • Maintains consistent drive to alternator, A/C, and other accessories

  Failing to Replace a Worn Serpentine Belt Can Lead To

  Accessory Failure: Loss of alternator output, A/C function, or power steering assist
  Overheating Risk: Reduced water pump performance due to belt slippage
  Battery Drain: Alternator unable to maintain proper charge
  Noise Issues: Squealing or chirping caused by cracking or glazing
  Unexpected Breakdown: Sudden belt failure can disable multiple systems

  Related Components to Inspect or Replace

  Belt Tensioner Assembly: Maintains proper belt tension
  Idler Pulley: Guides belt path and reduces vibration
  Crankshaft Pulley: Inspect for wear or separation
  Accessory Pulleys: Check for roughness or bearing noise

  Order with Confidence

  All OEM Nissan parts are shipped directly from Chapman Nissan in Philadelphia, PA, and every order is reviewed by a certified Nissan parts specialist to verify fitment before shipping.

  Have questions or need help verifying fitment?
  Contact our Nissan parts team here:
  https://parts.chapmannissan.com/contact-us

  FAQ

  How do I know when a serpentine belt needs replacement?
  Common signs include cracking, glazing, fraying, squealing noises, or accessory performance issues.

  Can a worn belt affect multiple systems?
  Yes. A single serpentine belt drives multiple accessories, so wear can impact charging, cooling, and comfort systems.

  Should related components be inspected at the same time?
  Yes. Tensioners and pulleys should be inspected to prevent premature belt wear.

  Is this a genuine Nissan belt?
  Yes. This is an OEM Nissan replacement part built to factory specifications.

  Is VIN verification required?
  Yes. Belt length and routing can vary by engine and accessory configuration.

  
  

• Condition: New

• Warranty:

  This Genuine Nissan part is backed by Nissan’s 12-month / 12,000-mile nationwide warranty, covering defects in materials or workmanship.

  Parts-only coverage when installed outside an authorized Nissan dealer
  Parts and labor coverage when installed at an authorized Nissan dealer
  Normal wear or installation-related issues are not covered

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