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11720JK20A - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-JK20A
Your Infiniti engine relies on a multitude of complex, connected parts that help you enjoy that smooth Infiniti ride you love! Many...
$66.49
MSRP $94.32
Save $27.83
29.5% Off
117206TA0A - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-6TA0A
Routing:Crk,Tens,Alt,Comp. Alternator and Compressor. 3.5L. JX35.
$65.89
MSRP $93.47
Save $27.58
29.5% Off
117201CA1C - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-1CA1C
Routing:Crk,Tens,Alt,Wp,Comp,Idler. Alternator, Water Pump and Air Conditioning. FX50. 5.6L. Serpentine belt. M56. QX70. 5.0l.
$106.80
MSRP $151.48
Save $44.68
29.5% Off
11720EY00A - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-EY00A
Q70. 3.7l.
$80.11
MSRP $113.63
Save $33.52
29.5% Off
117204GD0B - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-4GD0B
Alternator and Air Conditioning. Q50. 2.0l. Q60. 2.0l.
$76.08
MSRP $107.92
Save $31.84
29.5% Off
11720AR010 - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-AR010
Routing:Crk,Tens,Alt,Wp,Comp,Idler. Alternator, Water Pump and Air Conditioning. Fan/alt/ac. Q45, M45. Fan/alternator. Fx. 4.5l. From...
$88.36
MSRP $125.33
Save $36.97
29.5% Off
117205NA0A - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-5NA0A
QX50. To 02/18. To 02/2018. Routing:Crk,Tens,Alt,Wp,Comp. Alternator, Water Pump and Air Conditioning.
$75.63
MSRP $107.28
Save $31.65
29.5% Off
117201CA1B - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-1CA1B
5.0L. FX50. Routing:Crk,Tens,Alt,Wp,Comp,Idler. Alternator, Water Pump and Air Conditioning.
$78.47
MSRP $111.30
Save $32.83
29.5% Off
119203KY0B - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 119203KY0B
QX60. 2.5l. Routing:Crk,Tens,Sc,Idler,Wp,Comp.
$62.76
MSRP $89.01
Save $26.25
29.5% Off
117204P10A - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-4P10A
Fan, Alternator and Power Steering. 2.5L. G25. From 08/06. M35. Fan/alt/ps. 3.5L.
$75.76
MSRP $107.47
Save $31.71
29.5% Off
117204P102 - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-4P102
$70.48
MSRP $99.97
Save $29.49
29.5% Off
117205NA0B - : Serpentine Belt for Infiniti Image

Serpentine Belt

Infiniti 11720-5NA0B
Routing:Crk,Tens,Alt,Wp,Comp. Alternator, Water Pump and Air Conditioning. QX50. From 02/18. From 02/2018. QX55. 2.0l.
$74.58
MSRP $105.78
Save $31.20
29.5% Off

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Belts & Hoses: Essential Engine Reliability for Your INFINITI

Your INFINITI depends on precision-engineered belts and hoses to maintain smooth operation, and Modern INFINITI of Winston-Salem provides genuine OEM replacements designed for long-term reliability. Belts drive essential engine accessories, while hoses circulate coolant and fluids required for temperature control. Together, these components ensure your vehicle performs efficiently under all driving conditions. Your INFINITI relies on these systems to maintain consistent performance and protection.

How Belts and Hoses Function

Serpentine belts transfer power from the engine crankshaft to components such as alternators, compressors, and power steering systems. Timing belts (on equipped engines) ensure precise synchronization between engine internals. Radiator and heater hoses transport coolant between the engine, radiator, and heating system to regulate temperature. These systems work alongside the engine to support performance and efficiency.

Why Belts and Hoses Wear Out

Heat cycling causes rubber materials to dry out, crack, and lose elasticity over time. Exposure to oil or coolant can weaken structural integrity and cause swelling. Continuous engine tension gradually stretches belts and reduces efficiency. Internal hose layers may deteriorate due to long-term pressure and temperature fluctuations.

Signs of Belt or Hose Failure

Squealing or chirping noises during startup or acceleration often indicate worn belts. Cracks, glazing, or fraying suggest belts are nearing failure. Bulging, soft spots, or visible leaks point to deteriorating hoses. Genuine INFINITI belts and hoses are engineered for factory fitment, durability, and dependable long-term performance.

Modern INFINITI of Winston-Salem provides OEM parts designed to help keep your vehicle running at peak condition.