A-Premium Serpentine Belt Drive Kit for Toyota & Lexus V6 – Complete Belt, Tensioner & Idler (3.5L)

A-Premium Engine Serpentine Belt Drive Kit with tensioner and idler is a complete replacement kit that restores accessory drive function for compatible Toyota and Lexus V6 engines.

This all-in-one kit from A-Premium includes a serpentine belt, belt tensioner, and idler pulley designed to match factory fit and restore smooth front-of-engine accessory drive operation. It’s engineered for a precise fit on specified Lexus and Toyota V6 models and is backed by a one-year unlimited-mileage guarantee. Installing the kit replaces worn components that commonly cause squeal, slipping, or accessory failure and helps return reliable belt tension and alignment.

Which vehicles will this drive kit fit?

The A-Premium kit is built to fit a range of late-model Lexus and Toyota V6 vehicles when equipped with the listed engine configurations. Always verify fitment by entering your vehicle details at the top-left of the product page and reviewing the Special Notes to confirm compatibility.

• Compatible Lexus: ES350 (2013–2018) V6 3.5L, IS250 (2006–2010) V6 2.5L (manual), RX350 (2010–2015) V6 3.5L.
• Compatible Toyota: Avalon (2013–2018), Camry (2012–2017), Highlander (2008–2016), RAV4 (2006–2012), Sienna (2011–2016), Venza (2009–2015) — all listed with V6 3.5L unless noted.
• Confirm model year, engine code, and transmission before purchasing to avoid fitment issues.

How does replacing the belt, tensioner, and idler help engine performance?

Replacing the entire serpentine belt drive assembly removes wear-related slack, misalignment, and bearing play that can drive up noise and reduce accessory efficiency. Fresh components maintain correct belt routing and tension so the alternator, power steering, water pump, and A/C run as intended.

• Restores correct tension to reduce belt slip and squeal under load.
• Minimizes bearing drag and transmission resistance for smoother operation.
• Improves accessory drive reliability and can help maintain fuel-efficiency trends.

What exactly is included in the kit and what should I inspect during installation?

The kit ships complete with the three primary components needed for a typical accessory belt service: the serpentine belt, the belt tensioner assembly, and one idler pulley. During installation, check pulley alignment, mounting hardware torque, and routing to prevent premature wear.

• Included: 1× serpentine belt, 1× belt tensioner, 1× idler pulley.
• Inspect pulley grooves and bearings for smooth rotation and no play before reinstalling.
• Verify belt routing against factory diagrams and tensioner preload after fitment.

What warranty and quality assurances come with the A-Premium kit?

A-Premium provides a one-year unlimited-mileage guarantee on this engine serpentine belt drive kit, reflecting confidence in manufacturing and materials. This coverage offers peace of mind for owners replacing multiple components at once.

• One-year unlimited-mileage guarantee from A-Premium.
• Engineered to match OEM form, fit, and basic function for the listed vehicles.
• Recommended to store proof of purchase and vehicle fitment notes in case of warranty claims.

Who is this for: This A-Premium engine serpentine belt drive kit is intended for DIY mechanics and professional technicians working on the specified Toyota and Lexus V6 models who need a direct-fit replacement of the belt and supporting pulleys. It’s ideal for vehicles showing belt wear, persistent belt noise, slipping under load, or when performing scheduled accessory drive maintenance. Confirm vehicle compatibility before ordering and follow factory service procedures for safe, reliable installation.