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Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371

Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 is a direct-fit replacement AC compressor priced at $117.61. Includes 80ML oil. Ideal for DIY Lexus repairs to restore full cooling performance in hot climates or aging vehicles.

$117.61

● In stock

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

Key features

  • Fits 1998-2005 Lexus GS300 3.0L
  • Fits 2001-2005 Lexus IS300 3.0L
  • Includes 80ML of oil
  • Interchange part numbers listed
  • Requires system flush before install
  • Direct bolt-in replacement
  • Reinforced metal housing

Pros

  • +Affordable at $117.61
  • +Pre-filled with correct oil amount
  • +Exact fit for specified Lexus models
  • +Clear installation warnings included
  • +Multiple cross-reference numbers
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Cons

  • Requires full system flush
  • No oil plug on some variants
  • Not for use with contaminated systems

About Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371

What is Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371?

The Labwork A/C Compressor is a direct-fit replacement for 1998-2005 Lexus GS300 and 2001-2005 IS300 models equipped with the 3.0L engine. Designed as an exact match for OEM specifications, this compressor restores full air conditioning functionality, ensuring reliable cabin cooling even in extreme heat. Priced at $117.61, it's a cost-effective solution for DIY mechanics and repair shops alike. Each unit comes pre-charged with approximately 80ML of oil, eliminating the need for additional oil during installation under normal conditions.

Key features

  • OEM-Compatible Design — Matches factory fit and function for 3.0L Lexus GS300 and IS300 models.
  • Pre-Charged with Oil — Includes 80ML of oil to simplify installation and protect internal components.
  • Multiple Interchange Numbers — Compatible with part numbers 77371, 471-1221, 20-11284, and others for broad cross-reference use.
  • Durable Metal Housing — Constructed with reinforced alloy to withstand high-pressure operation and thermal stress.
  • System Protection Required — Must flush condenser and evaporator with non-oil-based cleaner before installation to prevent contamination.
  • Direct Bolt-In Installation — No modifications needed; replaces old compressor using existing mounting points and lines.
  • Includes Critical Installation Notes — Clear guidance on draining old oil, inspecting lines, and replacing drier or accumulator.

Who is Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 for?

This compressor is ideal for DIY auto enthusiasts and independent mechanics maintaining older Lexus GS300 and IS300 sedans. It’s especially valuable for owners in hot climates where AC reliability is critical. It suits users comfortable with intermediate-level repairs involving refrigerant handling and belt-driven components. Given the need for system flushing and proper oil distribution, it’s best for those who follow technical procedures carefully.

How does Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 compare?

Compared to standard remanufactured compressors, the Labwork unit offers a factory-fresh build with pre-installed oil, reducing setup errors. It undercuts dealership OEM units by over 50% while maintaining compatibility. Unlike generic brands with vague fitment, it lists exact interchange numbers and model coverage. However, it lacks advanced features found in high-end performance compressors, such as variable displacement or upgraded seals. For budget-conscious owners needing reliable cooling without sacrificing fit, it outperforms most entry-level alternatives in durability and documentation clarity.

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Best use cases

  • Replacing failed OEM compressor
  • Restoring AC in high-mileage Lexus
  • DIY repair in hot climate regions
  • Preventive maintenance with drier swap
  • Fixing warm air blowing issues
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Is Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 right for you?

Buy this if you own a 1998-2005 GS300 or 2001-2005 IS300 with 3.0L engine and need a reliable, low-cost compressor. Best for intermediate DIYers who can safely handle refrigerant and follow flushing procedures. Not for beginners without tools or experience. Consider a professional install if unsure. Alternatives include pricier OEM units or remanufactured cores with less documentation.

How it compares: Compared to remanufactured compressors, this Labwork unit offers fresh internal components and pre-charged oil. It's more affordable than OEM replacements and includes clearer installation guidance than generic brands, though it lacks upgraded seals or performance tuning found in premium aftermarket models.

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Frequently Asked Questions

What vehicles does the Labwork A/C compressor fit?

This compressor fits 1998-2005 Lexus GS300 and 2001-2005 IS300 models with the 3.0L engine. It matches OEM specifications and includes multiple interchange numbers for compatibility verification.

Does the Labwork A/C compressor come with oil?

Yes, each unit comes pre-charged with approximately 80ML of oil. No additional oil is needed during installation unless system components like the condenser or evaporator are replaced.

How do I install the Labwork A/C compressor?

Installation requires disconnecting the battery, removing the AC belt and refrigerant lines, flushing the system with non-oil-based cleaner, and replacing the drier or accumulator before mounting the new unit.

Is system flushing required before installation?

Yes, flushing the condenser and evaporator with a non-oil-based A/C flush is mandatory to prevent contamination and compressor failure. Failure to flush may void warranty and damage the unit.

Can I use this compressor with a damaged AC system?

No. If metal debris or excessive dirt is found in the lines, the entire system must be cleaned. This compressor is not designed to withstand contamination from a previously failed component.

How much does Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 cost?

Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 is $117.61 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 in stock at Lab Work Auto?

Yes, Labwork A/C Compressor For 1998-2005 Lexus GS300 2001-2005 IS300 3.0L 77371 is currently in stock at Lab Work Auto.

Specifications

SKU
F8-015237
Last updated May 14, 2026