Get up to $25 Off Shipping on Qualifying Orders $200+ | 08/10 - 08/25

Belts and Hoses

868431NF0D - : Seat Belt Kit-Front Seat Buckle, Right-hand for Infiniti Image

Seat Belt Kit-Front Seat Buckle, Right-hand

Infiniti 86843-1NF0D
$75.36
MSRP $116.62
Save $41.26
35.4% Off
11948AL50A - : Accessory Drive Belt Idler Pulley Bolt for Infiniti Image

Accessory Drive Belt Idler Pulley Bolt

Infiniti 11948-AL50A
3.5L.
$43.37
MSRP $55.82
Save $12.45
22.3% Off
11929AG300 - : Accessory Drive Belt Idler Pulley Cap for Infiniti Image

Accessory Drive Belt Idler Pulley Cap

Infiniti 11929-AG300
3.5L. 2001-03. 1997-00, from 1/00.
$36.56
MSRP $43.68
Save $7.12
16.3% Off
119291HB0A - : Accessory Drive Belt Idler Pulley Cap for Infiniti Image

Accessory Drive Belt Idler Pulley Cap

Infiniti 11929-1HB0A
3.0L.
$4.06
MSRP $4.85
Save $0.79
16.3% Off
8684801A17 - : Seat Belt Extender - 2nd & 3rd Row for Infiniti Image

Seat Belt Extender - 2nd & 3rd Row

Infiniti 86848-01A17
Easily add length to your existing seat belt. Extend your seat belt. Made of high-quality materials. Seat Belt Extender.
$40.15
MSRP $50.00
Save $9.85
19.7% Off

No results found for "belt, serpentine belt, timing belt, hose". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


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.