Details

• Brand:

  

• SKU:

  11720-3SG0B

• Other Names:

  Belt-Fan, Accessory Drive Belt, Engine Belt, Drive Belt, Multi-Rib Belt

• Description:

  Serpentine Belt – Engine Accessory Drive Belt (11720-3SG0B)

  OEM Replacement Part for Nissan

  The Genuine Nissan Serpentine Belt (11720-3SG0B) is responsible for driving critical engine accessories such as the alternator, power steering pump (if equipped), A/C compressor, and water pump. Designed to Nissan’s factory specifications, this belt ensures proper tension, quiet operation, and long-term durability under normal engine loads.

  Replacing a worn or stretched serpentine belt restores reliable accessory operation and helps prevent unexpected breakdowns.

  VIN Verification Required

  Always verify compatibility by VIN before ordering.
  Enter your VIN at https://parts.chapmannissan.com — every order is reviewed by a certified Nissan parts specialist before shipping.

  Specifications

  • Part Type: Serpentine Belt / Accessory Drive Belt

  • Function: Transfers engine power to belt-driven accessories

  • Material: OEM multi-rib reinforced rubber compound

  • Drive Type: Single continuous accessory belt

  • Included: One serpentine belt

  Compatible Nissan Models

  This serpentine belt fits:

  • 2012–2019 Nissan Sentra (B17UUS)

  Fitment may vary by engine configuration and production date. VIN verification is required before ordering.

  Key Features

  • Engineered to OEM Nissan length, rib count, and tension specs

  • Provides quiet, slip-resistant accessory operation

  • Designed to withstand heat, friction, and long-term use

  • Direct replacement with no modification required

  Failing to Replace a Worn Serpentine Belt Can Lead To:

  • Accessory Failure: Loss of charging, cooling, or A/C operation

  • Squealing or Chirping Noises: Caused by belt glazing or cracking

  • Unexpected Breakdown: Belt failure can leave the vehicle inoperable

  • Overheating: If the water pump is belt-driven

  Related Components to Inspect or Replace

  • Belt Tensioner: Weak tensioners can cause belt slip or noise

  • Idler Pulley: Worn bearings can damage the new belt

  • Accessory Pulleys: Inspect for misalignment or rough rotation

  Order with Confidence

  Always verify compatibility by VIN before ordering.
  Enter your VIN at https://parts.chapmannissan.com — every order is reviewed by a certified Nissan parts specialist before shipping.

  Warranty Coverage

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

  • Parts-only warranty when installed outside an authorized Nissan dealer

  • Parts and labor coverage when installed at an authorized Nissan dealer

  • Normal wear items are covered for manufacturer defects only

  Why Buy OEM Nissan Parts from Chapman Nissan?

  All OEM Nissan parts are shipped directly from Chapman Nissan in Philadelphia, PA, and every order is reviewed by a certified Nissan parts specialist before shipping. OEM Nissan belts are engineered for exact fit, proper tension, and long-term reliability — unlike aftermarket belts that may stretch prematurely or cause noise issues.

  FAQ

  Is this belt pre-tensioned?
  No. Proper belt tension is maintained by the engine’s belt tensioner.

  Should I replace the tensioner at the same time?
  It’s recommended to inspect the tensioner and idler pulleys when replacing the belt.

  Can I install this myself?
  Yes, with basic tools. However, some configurations may require a belt routing diagram.

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

  How often should a serpentine belt be replaced?
  Typically every 60,000–100,000 miles, depending on driving conditions.

• Condition: New
• Replaces:

  117203sg0a

• Warranty:

  Warranty Coverage

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

  • Parts-only warranty when installed outside an authorized Nissan dealer
  • Parts and labor coverage when installed at an authorized Nissan dealer
  • Wear items are covered for manufacturer defects only

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