A-Premium Idler Pulley for Toyota & Lexus V6 Engines — Upper Mount, Stamped Steel with Sealed Bearing

A-Premium belt idler pulley is a direct-fit replacement engineered to restore proper belt routing and tension for select Toyota and Lexus V6 engines.

This precision-made idler pulley from A-Premium replaces worn or noisy pulleys on a wide range of Toyota and Lexus vehicles. Built from stamped steel with a sealed bearing and a 10 mm bushing, it matches OE mounting dimensions so the serpentine belt tracks correctly and accessories operate smoothly. The part is offered as a single pulley intended for upper mounting locations on compatible V6 gas engines.

Which vehicles does this pulley fit?

The A-Premium pulley covers numerous Toyota and Lexus V6 applications across model years. Fitment includes upper-location pulleys for Toyota 4Runner, FJ Cruiser, Tacoma and Tundra V6 engines, and multiple Lexus models with 3.5L or similar V6 configurations. Always confirm your vehicle’s year, engine size and the reference numbers listed to ensure proper match.

• Toyota: 4Runner (2003–2024 V6 4.0L), FJ Cruiser (2007–2014 V6 4.0L)
• Toyota: Tacoma (2005–2015 V6 4.0L; 2016–2023 V6 3.5L), Tundra (2005–2014 V6 4.0L)
• Lexus & Toyota mixed fitments: ES350, Camry, Highlander, RAV4, RX350 and other V6 models listed in specifications
• Cross-reference OEM numbers: 16604-0P010, 16604-0P011, 1660431010, 1660431020, 1660431030, 36173

How does this pulley compare to the original part?

This pulley is manufactured to match OEM dimensions—70 mm outside diameter, 17 mm bearing bore, and 34.5 mm width—so it installs in the same position and offers comparable belt tracking. The steel construction and sealed bearing aim to deliver similar strength and longevity to the factory item. It ships with a 10 mm bushing to replicate the original mounting interface.

• Material: stamped steel housing for durability
• Bearings: sealed bearing with 17 mm bore for smooth rotation
• Dimensions: 70 mm OD and 34.5 mm width for exact belt alignment
• Contents: single pulley plus 10 mm bushing included

What should I expect during installation and maintenance?

Installation follows standard idler pulley replacement procedures—relieve belt tension, remove the mounting fastener, exchange the pulley, and reinstall with correct torque. No special tools beyond a belt tensioner tool or breaker bar are typically required. Inspect the serpentine belt and tensioner while replacing the pulley to avoid repeat service shortly after.

• Preparation: verify engine type and OEM reference numbers prior to buying
• Tools: belt tensioner tool or breaker bar, appropriate sockets, torque wrench
• Inspection: replace worn belt or tensioner to prevent premature failure
• Torque: tighten mounting fastener to vehicle manufacturer specification

What warranty and quality assurances come with this part?

A-Premium backs this idler pulley with a one-year unlimited-mileage guarantee, reflecting the brand’s confidence in fit and function. The part is offered as a single-item replacement and is produced to match common OEM reference numbers for reliable compatibility. If fitment questions arise, consult the supplied vehicle compatibility list or contact the seller before installation.

• Coverage: one-year unlimited-mileage guarantee from A-Premium
• Support: compatibility guidance for Toyota and Lexus V6 models
• Packaging: shipped as a complete pulley assembly with bushing

This A-Premium idler pulley is ideal for owners and technicians who need an affordable, OE-dimension replacement for upper-location pulleys on select Toyota and Lexus V6 gas engines. It suits DIY mechanics performing routine accessory drive maintenance and professional shops seeking parts that match factory specifications without premium OEM pricing. Always verify vehicle year, engine size and OEM reference numbers before purchase to ensure a correct fit.