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A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US

A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US is a direct-fit replacement part for TSB19C A/C compressors, priced at $16.72. This new flow sensor ensures accurate refrigerant flow monitoring in select Toyota and Lexus models with 3.5L engines, restoring optimal cooling performance and compressor protection.

$16.72

● In stock

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Price and availability may change. Click to see current details on Lab Work Auto.

Key features

  • Exact fit for TSB19C A/C compressor
  • Direct replacement, no modifications needed
  • Mounts on discharge manifold for accuracy
  • Brand new, not refurbished or used
  • OEM-spec performance and compatibility
  • Covers 2010–2017 Toyota and Lexus 3.5L models
  • Saves cost vs full compressor replacement

Pros

  • +Precise fit for listed vehicles
  • +Restores proper A/C system function
  • +Affordable alternative to new compressor
  • +New unit ensures long-term reliability
  • +Helps prevent compressor damage
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Cons

  • Only fits TSB19C compressor models
  • Limited to 3.5L engine applications
  • Not compatible with hybrid variants

About A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US

What is A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US?

The A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US is a new OEM-spec replacement component designed specifically for the TSB19C A/C compressor used in multiple Toyota and Lexus vehicles. Mounted on the compressor's discharge manifold, this sensor monitors refrigerant flow to ensure the climate control system operates efficiently and safely. A failing or inaccurate flow sensor can trigger error codes, reduce cooling performance, or cause compressor shutdown. This unit restores factory functionality and is built to match original equipment specifications for seamless integration.

Key features

  • Exact Fit — Designed for TSB19C compressors in 3.5L Toyota and Lexus models.
  • Direct Replacement — Installs without modification on specified vehicles.
  • Discharge Manifold Mount — Positions correctly for accurate refrigerant flow detection.
  • New Condition — Brand-new unit, not refurbished or used.
  • OEM Compatibility — Matches original sensor performance and fitment.
  • Broad Model Coverage — Supports 2010–2017 Toyota Sienna, Camry, Avalon, Highlander, and Lexus RX350, GS350, ES350.
  • Cost-Effective Repair — Avoids replacing the entire compressor assembly.

Who is A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US for?

This flow sensor is ideal for DIY mechanics and professional technicians servicing Toyota and Lexus vehicles equipped with the 3.5L V6 engine and TSB19C compressor. It’s especially useful when diagnostic trouble codes point to refrigerant flow issues or when the A/C system fails to engage properly. Owners looking to maintain factory cooling performance without overspending on full compressor replacements will find this part a reliable solution.

How does A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US compare?

Compared to generic or universal sensors, this unit offers guaranteed fitment and compatibility with the TSB19C compressor system. Unlike full compressor assemblies that cost significantly more, this sensor allows targeted repair of flow-related faults. It outperforms used or salvaged sensors by providing new, reliable operation. When stacked against standard polypropylene or non-OEM sensors, this part ensures proper signal accuracy and durability under high-pressure discharge conditions.

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Best use cases

  • Replacing failed flow sensor in Camry 3.5L
  • Fixing A/C error codes in Lexus RX350
  • Restoring cooling in Toyota Sienna
  • Repairing compressor shutdown issues
  • OEM-spec upgrade during A/C service
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Is A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US right for you?

This flow sensor is best for Toyota and Lexus owners with 3.5L engines experiencing A/C performance issues linked to the TSB19C compressor. Suitable for DIYers with basic mechanical skills or professionals seeking an OEM-matched replacement. If your compressor is functional but the system isn’t engaging, this sensor may be the fix. Alternatives include full compressor assemblies or used sensors, but this part offers a targeted, cost-effective solution.

How it compares: Compared to universal or aftermarket sensors, this unit provides guaranteed compatibility with the TSB19C system. It’s more affordable than replacing the entire compressor and more reliable than used or recycled sensors, offering OEM-level performance in a single-component upgrade.

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Frequently Asked Questions

What vehicles does this A/C flow sensor fit?

This sensor fits 2011–2016 Toyota Sienna, 2012–2017 Camry, 2011–2013 Highlander (non-hybrid), 2013–2017 Avalon, and 2010–2015 RX350, 2013–2015 GS350, and 2013–2016 ES350 with 3.5L engines and TSB19C compressors.

Does this sensor work with hybrid models?

No, this flow sensor is not compatible with hybrid versions of the Highlander or other hybrid 3.5L Toyota or Lexus models. It is designed only for non-hybrid TSB19C compressor applications.

How do I know if my flow sensor is failing?

Symptoms include weak A/C cooling, compressor not engaging, or diagnostic trouble codes related to refrigerant flow. A professional scan tool can confirm flow sensor circuit or performance faults.

Is this an OEM part?

This is a new aftermarket part designed to meet OEM specifications for fit, form, and function. It is not a genuine Toyota or Lexus branded sensor but is built to match original performance.

Can I install this myself?

Yes, if you have basic mechanical experience and tools. The sensor mounts on the compressor discharge manifold. Proper refrigerant handling and electrical connection are required for safe installation.

How much does A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US cost?

A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US is $16.72 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US in stock at Lab Work Auto?

Yes, A/C FLOW SENSOR for Compressor Toyota Lexus 3.5 Liter Engine TSB19C US is currently in stock at Lab Work Auto.

Specifications

SKU
F8-011135
Last updated May 14, 2026