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OEM INFINITI FX35 Serpentine Belts

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All About INFINITI FX35 Serpentine Belts

The serpentine belt in your luxury mid-size SUV is a single belt that moves and therefore powers the vehicle's engine's many accessories. However, it's not the same thing as the timing belt.

Serpentine belts drive engine parts such as the alternator, plus the power steering pump, water pump, the compressor in your air conditioning system, and the air pump, among other components. Plus, they work with crankshaft pulleys and alongside idler pulleys and/or belt tensioners sometimes. Timing belts, on the other hand, have the job of synchronizing crankshafts and camshafts.

Unfortunately, heat and friction can eventually cause a serpentine belt to wear out, and that'll invariably cause other problems. Experiencing air conditioner malfunctions or a loss of power steering? Is the battery in your crossover dead, or is its engine overheating? Do you see engine accessories damage? If so, the belt may need to be replaced. You should do it regularly anyway, upon inspection every 60,000 miles as needed or every 90,000 miles at most -- namely, well before it breaks, and your vehicle's many systems stop working.

To figure out if it's time, do said visual inspection, looking for the textbook symptoms of a bad one. They include:

  • Cracks and/or fraying
  • Glazing
  • Squealing or chirping (indicating belt slippage)
  • Power steering failure
  • A sudden battery drain
  • A stalling engine
  • A lit Check Engine light on the dash

If you need a new one, our auto parts store can help. We've got plenty of the genuine article.

Why Buy a Genuine OEM Serpentine Belt?

INFINITI designs and builds them compatible with its FX35 models specifically. That's a fitment guarantee, and one that the aftermarket can't always make.

Where to Order Them for INFINITI FX35 Online

Right from our catalog, and in just a few clicks. Be sure to browse according to your model year and buy now -- we'll ship ASAP, straight to your door.

Serpentine Tensioner
Part Number: 11955-1EA9D
Infiniti Infiniti
Other Names: Belt Tensioner, Tensioner Assembly - Auto
Replaces: 11955-1EA0A, 11955-1EA0B, 11955-1EA0C, 11955-1EA9E, 11955-JK21A
Description: Fits EX35, FX35, G35, G37, G37X, M35, M37, M45, M56, Q70 G37. G35. M35. FX35. EX35, EX37. 3.5L, 3.7L. 3.5L, 2009-10.
Fits:
  • Infiniti:
    • EX35,
    • FX35,
    • G35,
    • G37,
    • M35
MSRP $303.65
$208.61
MSRP $303.65
$208.61
Serpentine Belt
Part Number: 11720-JK20A
Infiniti Infiniti
Other Names: Belt - FanAndAlternator
Description: Your Infiniti engine relies on a multitude of complex, connected parts that help you enjoy that smooth Infiniti ride you love! Many...
Fits:
  • Infiniti:
    • EX35,
    • FX35,
    • G35,
    • M35
MSRP $70.88
$55.08
MSRP $70.88
$55.08
Alternator Belt
Part Number: 11720-4P102
Infiniti Infiniti
Other Names: Serpentine Belt, Belt - FanAndAlternator
Replaces: 11720-4P101, 11720-4P110
Description: G35. M35. Fan/alt/ps. 3.5L. Coupe,. 2001-03. QX4. Fan/alternator.
Fits:
  • Infiniti:
    • FX35,
    • G35,
    • M35,
    • QX4
MSRP $86.12
$60.71
MSRP $86.12
$60.71
Alternator Belt
Part Number: 11720-4P10A
Infiniti Infiniti
Other Names: Serpentine Belt, Belt - Fan
Description: 2.5L. G25. M35. Fan/alt/ps. 3.5L.
Fits:
  • Infiniti:
    • FX35,
    • G25,
    • M35
MSRP $86.90
$61.26
MSRP $86.90
$61.26
AC Belt
Part Number: 11920-AG900
Infiniti Infiniti
Other Names: Serpentine Belt, Belt - Compressor
Description: G35. M35. Ac. 2.5L. Fx. 3.5l. Coupe,. 2001-03. QX4.
Fits:
  • Infiniti:
    • FX35,
    • G25,
    • G35,
    • M35,
    • QX4
MSRP $42.02
$35.17
MSRP $42.02
$35.17
Belt Tensioner
Part Number: 11955-1EA0D
Infiniti Infiniti
Options: Upper
Other Names: Serpentine Tensioner, Tensioner Assembly Auto
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX37,
    • G25,
    • G37,
    • M37,
    • Q40,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX50,
    • QX70
MSRP $311.25
$213.83
MSRP $311.25
$213.83
Idler Pulley
Part Number: 11925-JK20D
Infiniti Infiniti
Options: Lower, Upper
Other Names: Serpentine Idler Pulley, Pulley Assembly - Idler
Replaces: 11925-JK20A, 11925-JK20C
Fits:
  • Infiniti:
    • EX35,
    • EX37,
    • FX35,
    • FX37,
    • G25,
    • G35,
    • G37,
    • M35,
    • M37,
    • Q40,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX50,
    • QX70
MSRP $183.63
$126.16
MSRP $183.63
$126.16
Idler Pulley
Part Number: 11925-JK21A
Infiniti Infiniti
Options: Upper, Lower
Other Names: Serpentine Idler Pulley, Pulley Assembly - Idler
Fits:
  • Infiniti:
    • EX35,
    • FX35,
    • G35,
    • M35,
    • Q40,
    • Q50,
    • Q60,
    • Q70,
    • Q70L,
    • QX50,
    • QX70
MSRP $174.78
$120.08
MSRP $174.78
$120.08
Pulley
Part Number: 11927-AG30A
Infiniti Infiniti
Other Names: Idler Pulley, Serpentine Idler Pulley, Pulley - Idler
Replaces: 11927-AG300
Description: M35. Ac. 3.5L. G35. Alternator belt. 2001-03.
Notes: Included with Idler pulley. Included with pulley assembly.
Fits:
  • Infiniti:
    • FX35,
    • G35,
    • M35,
    • QX4
MSRP $74.25
$57.69
MSRP $74.25
$57.69
Idler Pulley
Part Number: 11925-AG30A
Infiniti Infiniti
Other Names: Serpentine Idler Pulley, Pulley Assembly, Pulley Assembly - Idler - Compressor
Replaces: 11925-4W000, 11925-AG300
Description: Fits FX35, G25, G35, M35, M45, Q40, QX4 G35. QX4. 2.5L, ac belt. Sedan, ac belt. Coupe, ac belt. 2001-03, ac belt. 3.5L, 2006-08, ac...
Fits:
  • Infiniti:
    • FX35,
    • G25,
    • G35,
    • M35,
    • QX4
MSRP $173.87
$119.45
MSRP $173.87
$119.45
Idler Pulley
Part Number: 11925-AL50B
Infiniti Infiniti
Other Names: Pulley Assembly, Serpentine Idler Pulley, Tensioner, Pulley Assembly - Idler - Alt
Replaces: 11925-4P100, 11925-4P101, 11925-AL500, 11925-AL50A
Description: Fits FX35, G25, G35, M35, M45, Q40, QX4 QX4. G35. From 9/01. Fan/alternator. 2.5L, alternaltor belt. Coupe, alternator belt. 3.5L,...
Fits:
  • Infiniti:
    • FX35,
    • G25,
    • G35,
    • M35,
    • QX4
MSRP $170.52
$117.14
MSRP $170.52
$117.14

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