New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC
New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC are direct plug-in replacements priced at $29.46. These upstream O2 sensors ensure accurate air-fuel ratio monitoring for improved engine performance and emissions control in compatible Toyota and Lexus V6 models.
● In stock
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Key features
- Direct plug-in replacement
- Upstream O2 sensor design
- 480mm lead length (3.94in)
- Matches OEM 89465-50130, SG1001
- 2-pack for dual-bank engines
- Fits 1998-2013 Toyota Lexus V6
- Passenger side bank mounting
Pros
- +No wiring modifications needed
- +Cost-effective 2-sensor set
- +Accurate fuel mixture feedback
- +Improves emissions and MPG
- +Easy DIY installation
Cons
- −Upstream only, not for downstream
- −Limited to specific V6 models
- −Not wideband performance grade
About New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC
What is New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC?
The New Upstream Oxygen O2 Sensors 234-4630 are designed as direct-fit replacements for select Toyota and Lexus vehicles, particularly V6 models including the GS, IS, LS, and SC series. Priced at $29.46 for a 2-piece set, these sensors monitor oxygen levels in exhaust gases before the catalytic converter, helping maintain optimal fuel efficiency and reduce harmful emissions. They are engineered for easy installation with no wiring modifications required, making them ideal for DIY mechanics and repair shops alike.
Key features
- Direct Plug-In Replacement — No splicing or rewiring needed for fast, secure installation.
- Upstream Sensor Design — Monitors exhaust gases pre-catalytic converter for real-time engine tuning.
- 480mm Lead Length — 3.94 inches of wiring ensures proper fit in tight engine bays.
- Interchange Compatibility — Matches OEM part numbers 89465-50130, 89465-50120, and SG1001.
- 2-Pack Value Set — Includes two sensors for simultaneous replacement on dual-bank engines.
- Broad Vehicle Fit — Compatible with 1998–2013 Toyota Avalon, Camry, Solara, and Lexus ES, GS, IS, LS, SC models.
- Passenger Side Mounting — Specifically designed for upstream placement on the passenger bank.
Who is New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC for?
This sensor set suits Toyota and Lexus owners maintaining V6 engines from the late 1990s through 2013. It's ideal for DIYers with basic mechanical skills and professionals seeking reliable, cost-effective replacements. It’s especially useful when replacing failed sensors triggering check engine lights or reducing fuel economy.
How does New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC compare?
Compared to standard O2 sensors, this 234-4630 model offers exact OEM-matching fit and function at a fraction of dealership prices. Unlike universal sensors requiring splicing, these are plug-and-play. While not as advanced as wideband O2 sensors used in performance tuning, they outperform generic aftermarket units in reliability and longevity for daily-driven vehicles.
Best use cases
- →Replacing failed upstream O2 sensor
- →Fixing check engine light (P0135, etc.)
- →Improving fuel economy in V6 sedans
- →Routine maintenance on high-mileage Lexus
- →Dual-bank engine sensor upgrade
Is New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC right for you?
Buy this set if you own a 1998–2013 Toyota or Lexus V6 and need upstream O2 sensors. Ideal for DIYers with basic tools and mechanical knowledge. Ensure your vehicle matches the listed compatibility. Alternatives include dealer OEM sensors (more expensive) or universal types (require splicing). This plug-in option balances cost, ease, and reliability.
How it compares: Compared to universal O2 sensors, these offer plug-and-play installation and better reliability. They match OEM performance at lower cost but lack the tuning precision of wideband sensors used in performance applications.
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What vehicles fit the 234-4630 O2 sensor?
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This sensor fits 1998–2013 Toyota and Lexus V6 models including Camry, Avalon, GS, IS, LS, and SC series. It's designed for upstream, passenger-side installation on specified years. Always verify your model and engine type before purchase.
Does this O2 sensor require splicing wires?
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No, this is a direct plug-in replacement. It connects to your factory harness without cutting or splicing, ensuring a secure fit and reducing installation errors common with universal sensors.
How do I know if I need an upstream O2 sensor?
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If your check engine light shows codes like P0135 or P0155, or you notice poor fuel economy and rough idling, your upstream O2 sensor may be failing. This part replaces the pre-catalytic converter sensor on the passenger bank.
Is this a genuine OEM part?
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No, this is an aftermarket replacement designed to match OEM specifications including fit, function, and interchange numbers like 89465-50130 and SG1001. It delivers OEM-equivalent performance at a lower cost.
Can I install these sensors myself?
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Yes, with basic hand tools and mechanical aptitude, most users can install these sensors in under an hour. A proper O2 sensor socket and safety precautions are recommended for safe exhaust work.
How much does New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC cost?
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New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC is $29.46 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC in stock at Lab Work Auto?
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Yes, New Upstream Oxygen O2 Sensors 234-4630 For Toyota Lexus GS IS LS SC is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-018248