Drive Belt Tensioner and Idler Pulley Serpentine Belt Kit Compatible with Lexus IS250 ES350 Rx350 for Toyota Avalon Rav4 Sienna Camry Highlander Venza 3.5L V6 Replace 89374 7PK1550 1662031021
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LOCATION: Usually located at the front of the engine and wrapped around a set of sprockets.Drive belt tensioner replaces part number:89374, 1662031040, 1662031020, 1662031021, 1662031050, 1662031051; idler pulley replaces part number:166030p010, 166040p010, 166040p011, 1660431010, 1660431020, 1660431030; serpentine belt replaces part number:7pk1550, 90916a2019
FUNCTION: It ensures a perfect connection between the camshaft and crankshaft, improves the pistons and valves working together in the correct sequence
ADVANTAGE: Provides precise tensioning force ensuring a tight fit of the belt, reduces slippage and noise, improves fuel efficiency, and optimizes engine performance
MATERIAL: Made of rubber, aluminum, and iron, sturdy and wear-resistant, resistant to high temperatures and pressures, and corrosion-resistant,included 1x serpentine belt, 1x belt tensioner, 1x idler pulley
Notes from PartsPlenty.com
Independent commentary by PartsPlenty.com (not Amazon).
The Lexus Belt Tensioner auto part may help restore proper operation and reliability in your vehicle. Over time, heat cycling, vibration, road grime, and normal wear can cause parts to weaken, leak, corrode, or drift out of spec.
When replacing an automotive component, confirm compatibility with your exact vehicle details (year/make/model/engine and any trim or drivetrain variations). Always follow manufacturer procedures and torque specs, and verify operation after installation.
For a closer look at how this type of part works and how it is typically used, check out the video below.
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