Description
Product Overview
The KeeRoarin Idler Pulley is engineered to replace worn or damaged belt tensioners in a variety of light‑truck and passenger‑car platforms. Featuring a precision‑machined steel hub and a thermoplastic bearing cage, the unit provides consistent tension across the accessory drive belt, minimizing slip and vibration. Key specifications include a 17 mm bore diameter, 32 mm pulley width, and a 70 mm outer diameter, matching OEM part numbers 36173, 49127, 166040P010, 166040P011, 1660431010, 1660431020 and 1660431030. The lightweight design (9.1 oz) and compact package (3.03 × 3.03 × 1.5 in) make handling and installation straightforward.
Usage
Designed for both professional mechanics and DIY enthusiasts, this idler pulley fits select Lexus and Toyota models such as the GS300, Camry, Tacoma, and Tundra, as well as a broad range of GM and Ford vehicles. It is ideal for routine maintenance, belt‑replacement projects, or performance upgrades where reliable belt tracking is critical. Install the pulley in the engine bay’s accessory drive system to restore proper belt alignment, reduce squeal, and protect downstream components like the alternator, water pump and power steering pump. 
Why Choose Us
KeeRoarin combines automotive engineering expertise with rigorous quality control. Each pulley undergoes heat‑treatment to achieve a hardness rating that resists deformation under high‑speed operation. The thermoplastic bearing reduces friction and operates quietly across a wide temperature range, extending service intervals. Our products are backed by a 12‑month limited warranty and a proven track record reflected in a 4.4‑star rating from over 90 verified customers. When you select KeeRoarin, you receive a component that meets or exceeds original equipment specifications, ensuring peace of mind and dependable performance.
Key Features
- Precision‑machined steel hub for maximum strength and durability
- Thermoplastic bearing cage delivers quiet, low‑friction operation
- Exact OEM fit – matches part numbers 36173, 49127, 1660431010 and more
- Universal application across Toyota, Lexus, GM, Ford and other makes
- Lightweight (9.1 oz) design simplifies installation and reduces overall engine weight
FAQ
What vehicles are compatible with this idler pulley?
The pulley fits a wide range of Toyota and Lexus models including the GS300, Camry, Tacoma and Tundra, as well as many GM and Ford applications. Refer to the detailed fitment list in the product description for specific year‑and‑model compatibility.
Is the bearing replaceable?
Yes, the thermoplastic bearing cage is designed for serviceability. If wear occurs, the bearing can be replaced without needing to replace the entire pulley, extending the life of the component.
How does this pulley improve belt life?
By maintaining proper tension and alignment, the pulley prevents belt slippage and uneven wear, which are common causes of premature belt failure. The high‑quality materials also resist corrosion and heat degradation.
Can I install this pulley myself?
Absolutely. The pulley comes with a standard 17 mm bolt pattern that matches OEM hardware. Basic hand tools are sufficient, and the lightweight design makes positioning easy for both professionals and DIYers.
What warranty does KeeRoarin provide?
All KeeRoarin idler pulleys are covered by a 12‑month limited warranty against manufacturing defects. Contact our support team with your purchase details for assistance.
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