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Engine Accessory Belt Idler Pulley for Toyota Land Cruiser Prado GRJ120, OEM 16603-31012 16603-31010

Name: Engine Accessory Belt Idler Pulley for Toyota Land Cruiser Prado GRJ120, OEM 16603-31012 16603-31010
SKU: C1688-759391075269
Availability: InStock

$10.07

Shop the premium Engine Belt Idler Pulley for Toyota Land Cruiser Prado GRJ120. Replaces OEM 16603-31012 and 16603-31010. High-durability bearing for quiet engine operation.

500 in stock

Full description

SKU: C1688-759391075269 Category: Engine Belt Tensioner Tags: 16603-31010, 16603-31012, GRJ120 idler pulley, Land Cruiser Prado engine parts, serpentine belt idler, Toyota belt tensioner pulley

Description

Key Selling Points

Exact OEM Fitment: Precisely engineered to replace OEM part numbers 16603-31012 and 16603-31010, ensuring a perfect match for Toyota GRJ120 and Land Cruiser Prado models.
Superior Durability: Constructed from high-strength steel or premium alloy with professional-grade bearings to withstand high engine temperatures and reduce drive belt vibration.
Quiet Performance: Features precision-ground internal bearing surfaces to eliminate squealing and excessive noise caused by worn out factory idler pulleys.
Engine Protection: Maintains proper tension and alignment of the serpentine belt, preventing slippage and protecting critical engine components like the alternator and water pump.
Easy Installation: Designed as a direct bolt-on replacement to facilitate a quick restoration of your vehicle's drive system without specialized professional tools.

Technical Specifications

Part Number	16603-31012, 16603-31010
Compatible Engine	Toyota 1GR-FE 4.0L V6
Material	Heat-Resistant Steel / High-Grade Bearing
Application	Engine Serpentine Belt Routing / Idler
Inside Diameter	Standard OEM Specification

FAQ Q&A

Q: Will this pulley fix the squeaking sound coming from the front of my engine?

A: Yes, if the noise is a high-pitched chirping or grinding related to the serpentine belt, replacing a worn idler pulley bearing like this one is a common and effective solution.

Q: Is this part compatible with the Toyota Land Cruiser Prado GRJ120?

A: Absolutely. This pulley is specifically designed for the GRJ120 series and matches the 16603-31012/16603-31010 specifications required for the 1GR-FE engine.

Q: How often should this engine belt idler pulley be replaced?

A: While it varies by driving conditions, it is generally recommended to inspect the pulley every 60,000 miles and replace it if there is any visible play or audible bearing noise.