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Dayco 89502 Idler/Tensioner Pulley

Q: Is the idle pulley and tension pulley the exact same pulley on a 2010 5.7 tundra?

No. They are two different things. The tension pulley sits a bit lower in the engine bay than the idler pulley. For the tension pulley you need to order the Dayco 89378 Belt Tensioner Assembly.

Product ID: 23333402

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🔥High-temp sealed lubricated bearings

⚙️Precision-machined for perfect fit

🛡️Durable against dirt, salt & chemicals

Frequently Bought Together

Dayco 89502 Idler/Tensioner Pulley

Dayco 89378 Belt Tensioner

Dayco Drive Rite 5080950DR Serpentine Belt

Description

⚙️ Drive Smooth, Last Longer – Don’t Let Your Engine Miss a Beat!

VIBRATION FREE DRIVE - Engineered with glass-filled polymers and tight tolerances to minimize belt vibration and extend belt life.
ALL WEATHER DURABILITY - Built to resist dirt, salt, and harsh chemicals for reliable operation in any environment.
TRUSTED LEGACY SINCE 1905 - From a global leader in automotive parts, ensuring quality and reliability you can count on.
PREMIUM LUBRICATED BEARINGS - High-temperature sealed bearings guarantee smooth rotation and peak pulley efficiency.
CUTTING EDGE CAD FEA DESIGN - State-of-the-art 3D modeling ensures maximum structural integrity and long-lasting performance.

The Dayco 89502 Idler/Tensioner Pulley is a precision-engineered replacement part designed to reduce vibration and extend belt life. Featuring advanced CAD and FEA design, high-temp sealed lubricated bearings, and durable materials resistant to dirt and chemicals, it ensures reliable, quiet, and efficient engine performance. Trusted globally since 1905, Dayco delivers unmatched quality for your drive system needs.

Specifications

Manufacturer	Dayco
Brand	Dayco
Model	Tensioner Pulley
Item Weight	1 pounds
Product Dimensions	5.3 x 5.3 x 1.7 inches
Item model number	89502
Exterior	Machined
Manufacturer Part Number	89502
Position	Center

Have a Question? See What Others Asked

Is the idle pulley and tension pulley the exact same pulley on a 2010 5.7 tundra?

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