2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05
2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L is a direct plug-in replacement pair for upstream and downstream positions, priced at $30.29. Ideal for maintaining fuel efficiency and passing emissions in 1998–2005 GS300 models.
● In stock
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Key features
- Direct plug-in replacement for GS300 3.0L
- Includes upstream and downstream sensors
- 4-wire design matches factory specs
- Fits 1998–2005 Lexus GS300 Base models
- Brand-new condition, not remanufactured
- No splicing or modifications needed
- Supports emissions and fuel efficiency
Pros
- +Affordable at $30.29 for a pair
- +Easy installation with direct fit
- +Covers both sensor positions
- +Helps resolve check engine lights
- +Suitable for DIY mechanics
Cons
- −No warranty if installed or altered
- −20% restocking fee for wrong fitment
- −Requires voltmeter testing for issues
About 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05
What is 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05?
This OEM-equivalent oxygen sensor set is designed specifically for 1998–2005 Lexus GS300 3.0L engines. It includes two brand-new 4-wire O2 sensors—one upstream (sensor 1) and one downstream (sensor 2)—to ensure accurate air-fuel ratio monitoring and optimal catalytic converter performance. Sold by Lab Work Auto, this $30.29 kit offers a cost-effective solution for restoring engine efficiency, reducing emissions, and resolving check engine light issues related to O2 sensor failure.
Key features
- Direct Fit — Plug-and-play design for 1998–2005 Lexus GS300 3.0L.
- 4-Wire Configuration — Matches factory specs for reliable signal output.
- Upstream & Downstream — Includes both sensor positions for complete system coverage.
- New Condition — Brand-new sensors, not remanufactured or used.
- Easy Installation — No splicing or modifications required.
- Wide Compatibility — Fits all GS300 Base trims from 1998 to 2005.
- Diagnostic Support — Guidance provided for post-installation check engine light troubleshooting.
Who is 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05 for?
This product is ideal for DIY mechanics and Lexus GS300 owners maintaining 1998–2005 models. It’s suited for those experiencing poor fuel economy, failed emissions tests, or OBD-II codes like P0135 or P0141. The straightforward installation makes it accessible for intermediate-level home mechanics using basic tools. It’s also a smart choice for repair shops seeking reliable, budget-friendly replacements without sacrificing functionality.
How does 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05 compare?
Compared to pricier OEM sensors from dealerships, this set delivers similar performance at a fraction of the cost. Unlike universal sensors requiring wire splicing, these are direct-fit, reducing installation errors. While not as long-lasting as some premium aftermarket brands, they offer solid reliability for routine maintenance. They outperform used or remanufactured units in consistency and come with clear fitment guidance, minimizing buyer confusion common with generic O2 sensors.
Best use cases
- →Replacing failed O2 sensors
- →Fixing check engine light codes
- →Improving fuel economy
- →Passing emissions testing
- →Routine engine maintenance
Is 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05 right for you?
Buy this if you own a 1998–2005 Lexus GS300 3.0L and need reliable, direct-fit O2 sensors. Best for DIYers with basic mechanical skills. Confirm fitment before purchase—returns aren't accepted after installation. Consider OEM sensors if you prefer longer warranties, or universal types only if you can splice wires confidently.
How it compares: Compared to OEM sensors, this set offers similar functionality at lower cost. Unlike universal sensors, it requires no wire cutting. It's more reliable than used units but may not last as long as top-tier aftermarket brands.
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What vehicles does this O2 sensor fit?
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This set fits 1998–2005 Lexus GS300 Base models with the 3.0L engine. It includes both upstream and downstream sensors for complete coverage. Always verify your vehicle's specs before installation.
Does this include both upstream and downstream sensors?
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Yes, the package includes two sensors: one upstream (Bank 1 Sensor 1, part 127472) and one downstream (Bank 1 Sensor 2, part 127398), designed for proper exhaust system function.
How do I install these oxygen sensors?
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Installation is straightforward: locate the old sensors, unplug the connectors, remove with an O2 sensor socket, and install the new ones. No wire splicing is needed—direct plug-in design ensures compatibility.
Is this sensor new or remanufactured?
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Both sensors are brand new, not rebuilt or used. They are built to meet factory specifications for signal accuracy, durability, and emissions performance in your Lexus GS300.
Can I return the sensor if it doesn’t fit?
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Uninstalled, unaltered items may be returned, but a 20% restocking fee applies if you ordered the wrong part. Installed or contaminated sensors are non-returnable.
How much does 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05 cost?
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2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05 is $30.29 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05 in stock at Lab Work Auto?
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Yes, 2X Oxygen Sensor O2 Sensor 1&2 for Lexus GS300 3.0L 98 99 00 01 02 03 04 05 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-6529