Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350
Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 is a direct-replacement pulley and tensioner assembly built for 3.5L V6 Toyota and Lexus models. Priced at $40.75, it ensures reliable serpentine belt performance and is ideal for DIY mechanics maintaining high-mileage vehicles.
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Key features
- Direct replacement for OE 16620-31031, 16620-31050, 16620-31021
- 70 mm diameter, 34 mm width for precise fit
- Fits Toyota Avalon, Camry, Sienna, Lexus ES350, RX350
- Built for 3.5L and 4.0L V6 engines from 2000–2018
- High-heat resistant construction for engine bay durability
- Factory tested for tension accuracy and pulley alignment
- Complete new assembly, no used or refurbished parts
Pros
- +Exact OEM fit without modifications
- +Affordable at $40.75
- +Durable under high engine temperatures
- +Broad vehicle compatibility
- +Ready to install out of box
Cons
- −Only fits specific V6 models
- −No included mounting hardware
About Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350
What is Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350?
This Labwork Drive Belt Tensioner is a brand-new, high-performance replacement component designed specifically for Toyota and Lexus vehicles equipped with 3.5L V6 engines. It serves as a direct fit for OEM part numbers 16620-31031, 16620-31050, and 16620-31021, ensuring seamless installation without modifications. Measuring 70 mm in diameter and 34 mm in width, this tensioner and pulley assembly maintains optimal belt tension to power accessories like the alternator, power steering pump, and A/C compressor. It's engineered for durability under high heat and engine load, making it a trusted choice for vehicles such as the Toyota Avalon, Camry, Sienna, and Lexus ES350 and RX350.
Key features
- Direct Replacement — Matches OEM specifications for 16620-31031, 16620-31050, 16620-31021.
- Precise Dimensions — 70 mm pulley diameter and 34 mm width for exact fitment.
- Broad Compatibility — Fits multiple Toyota and Lexus 3.5L and 4.0L V6 models from 2000–2018.
- High-Performance Build — Constructed to withstand engine heat and vibration.
- Strict Quality Control — Factory tested to ensure reliability and longevity.
- DIY-Friendly Design — No special tools required for standard installation.
- Brand New Assembly — Complete tensioner and pulley unit, not refurbished.
Who is Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 for?
This part is ideal for Toyota and Lexus owners maintaining 3.5L V6 engines, especially those with high-mileage vehicles showing signs of belt slippage, squealing, or tensioner wear. It’s perfect for DIY mechanics with intermediate skills who want a cost-effective, reliable upgrade over worn OEM units. Professional technicians also use it for preventative maintenance during timing belt or water pump replacements.
How does Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 compare?
Compared to standard aftermarket tensioners, the Labwork unit offers tighter OEM alignment and broader vehicle coverage at a competitive $40.75 price point. It outperforms budget models in durability while not reaching the premium cost of dealer OEM parts. It matches the form and function of factory units, making it a balanced choice between reliability and value for V6 Toyota and Lexus applications.
Best use cases
- →Replacing worn tensioner in 2007 Toyota Camry 3.5L
- →Preventive maintenance on high-mileage Lexus RX350
- →Fixing serpentine belt squeal in Toyota Avalon
- →Upgrading after timing belt replacement
- →Restoring A/C and power steering function
Is Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 right for you?
Buy this tensioner if you own a Toyota or Lexus with a 3.5L or 4.0L V6 engine and need a reliable, low-cost replacement. Ideal for DIYers with basic tools and mechanical experience. Consider it during belt system servicing. Alternatives include pricier OEM dealer parts or less durable generic brands.
How it compares: Compared to budget tensioners, this Labwork unit offers better fit and longevity. It matches OEM performance at a lower cost than dealer parts, making it a smart mid-tier choice for V6 Toyota and Lexus models.
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What vehicles does this Labwork tensioner fit?
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It fits 2005–2018 Toyota Avalon, 2006–2017 Camry, Sienna, and Lexus ES350, RX350 with 3.5L V6 engines. Also compatible with FJ Cruiser, Highlander, and Land Cruiser Prado models with 4.0L engines.
Does this tensioner come with the pulley included?
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Yes, it is a complete tensioner and pulley assembly. The unit is brand new and ready to install without needing additional components.
How do I know if my tensioner needs replacement?
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Signs include squealing belts, visible pulley wobble, cracks in the housing, or difficulty maintaining belt tension. If the engine accessories fail, the tensioner may be the cause.
Is this a genuine Toyota OEM part?
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No, it is a direct-fit aftermarket replacement by Lab Work Auto. It matches OEM specifications for part numbers 16620-31031, 16620-31050, and 16620-31021.
Can I install this tensioner myself?
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Yes, if you have basic mechanical skills and tools. The process involves releasing belt tension and swapping the old unit. Refer to your service manual for torque specs and routing.
How much does Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 cost?
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Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 is $40.75 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 in stock at Lab Work Auto?
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Yes, Labwork Drive Belt Tensioner Fit For Toyota Avalon Camry Sienna ES350 RX350 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-8227