The Genuine Dayco Automotive Idler Tensioner Pulley 231037 A11 is a precision-engineered pulley designed to ensure smooth and efficient operation of the engine accessory drive system. It supports proper routing and tension of the serpentine or V-belt, helping maintain stable performance of components such as the alternator, power steering pump, and air conditioning compressor.
Manufactured to OEM-quality standards, this idler pulley features a durable high-strength housing and a sealed bearing system designed for long service life. It reduces belt vibration, minimizes friction, and ensures consistent alignment under varying engine speeds and loads. The precision-machined surface allows smooth belt contact, helping prevent premature belt wear and noise.
Ideal for replacement during routine maintenance, this pulley restores proper belt tracking and improves overall drive system reliability in compatible vehicles.
Key Features
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Precision Bearing System: Ensures smooth rotation and reduced friction.
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Stable Belt Alignment: Helps maintain correct belt tracking and tension.
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Reduced Noise & Vibration: Improves quiet and smooth engine operation.
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Durable Design: Sealed bearing protects against dust and contaminants.
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Direct Replacement Fit: Engineered for easy installation in compatible systems.
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OEM Standard Quality: Built to match original equipment specifications for reliable performance.
- Heavy-Duty Construction: Designed to withstand heat, vibration, and continuous engine load.
Specifications
- Brand: Dayco
- Part Number: 231037
- Type: Idler / Tensioner Pulley
- Bearing Type: Sealed Ball Bearing
- Application: Automotive Accessory Drive System
- Material: High-Strength Steel/Composite Housing