Serpentine Belt

Part Number: 11720-EZ40B
Supersession(s): 11720-EZ40A; 11720EZ40B

  • Transmits power through and to the alternator, power steering pump, and A/C compressor
  • Also known as a fan or accessory belt
  • Replace when cracked, frayed, peeling, or malfunctioning

Your Nissan engine relies on a variety of intricate, interconnected components that support the signature Nissan ride you know and love. Many Engine components connect through a network of belts, and one of the most important belts is the Serpentine Belt.

Your Nissan's Serpentine Belt is a strong, continual belt that transmits power through and to the A/C compressor, power steering pump, alternator, and, in some cases, water pump. Some people refer to the Serpentine Belt as a fan or accessory belt because it powers your Nissan's peripheral devices. But, don't underestimate its importance.

Nissan Serpentine Belts are typically made of reinforced rubber that's specially designed to endure the heat and friction involved in transporting power from one engine component to the other. But, like all good things, even Serpentine Belts don't last forever!

With age, Serpentine Belts can fray or crack or they can act up if soaked with oil or coolant. Also, they may lose tension, lack alignment, or slip because of faulty tensioners, which may result in needing to replace both the tensioner and the Serpentine Belt, or recalibrating the belt, if possible. Some symptoms of Serpentine Belt problems are: rattling or squealing sounds coming from the engine, subpar air conditioning or steering capabilities, engine overheating, and apparent signs of wear like cracks on the belt.

Typically, your Nissan's Serpentine Belt is supposed to last hundreds or thousands of miles, but its useful life can be shortened due to coolant leaks, oil leaks, and old tensioners. You should inspect your Serpentine Belt any time you change the oil, or get a professional inspection from a Nissan service center in your area.

The required method for a Serpentine Belt replacement depends on the type of tensioner you're dealing with. Consequently, it's best to check your Nissan's manual before replacing the Serpentine Belt yourself.

In most cases, it'll involve a Serpentine Belt with proper fitment for your Nissan model, and a belt tensioner tool. If your Nissan has a hydraulic or manual tensioner mechanism, it may be a smarter choice to visit your nearest Nissan experts for professional assistance.

When you're prepared to begin, take a photo of your Serpentine Belt's current positioning and how it winds around your engine's components. Then, use a ratchet to release the tensioner and gently unravel the Serpentine Belt, taking care not to mess with any accessories.

Once the old Serpentine Belt is out, inspect it for signs of coolant or motor oil leaks, cracks, and breakage to uncover any underlying issues that are not Serpentine Belt-specific. Re-thread a new Serpentine Belt in the old one's place and release the tensioner, using a wrench to tighten it to the appropriate level. Finally, turn your vehicle on and let the engine idle while visually ensuring that the new belt runs smoothly.

Whether you decide to replace your Nissan Serpentine Belt at home or visit an authorized Nissan service center, ensuring proper fitment of all your replacement parts is crucial. Buy an authentic Serpentine Belt replacement made-to-fit your Nissan model and year directly from the manufacturer itself! Purchase a new Nissan Serpentine Belt guaranteed to fit your Nissan Titan. See the What This Fits tab for more details.



BELT-FAN & ALTERNATOR

Fits Titan (2016 - 2020)

1 person has looked at this part recently
Diagram FAN,COMPRESSOR & POWER STEERING BELT for your Nissan Titan
#11720N
Required: 1
DIESEL<201511 - 201607>
DIESEL<201607 - 201912 >
2017 - 2019
- DIESEL

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Brandon Nissan

9920 East Adamo Drive, Tampa, FL, 33619

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