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Luke E. Fast delivery. Great price.
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Isaac Q. Perfect for my old 2000 Accord. Passed smog check!
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Owen W. Both sensors fit exactly. Car runs smoother.
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2Pcs Upstream & Downstream O2 Sensors for 1998–2002 Honda Accord 2.3L | Replaces 234-4620 234-4621
$34.95
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Free & Fast ShippingShips within 72 hrs from US
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2-Year Warranty100% Brand New & Tested
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Signs It's Time to Replace Your O2 Sensor:
- Stubborn Check Engine Light or failing smog/emissions tests.
- Rough idling, engine hesitation, and dropping gas mileage.
- Dealerships or AutoZone quoting you $400+ for a simple repair.
- Common Trouble Codes: P0420, P0171, P0134, P0138.
Why Choose Our Direct-Fit Sensors?
- 100% Direct OEM Fit: Exact wire length and connector. Clicks right in, no cutting or splicing required.
- Instant Fix: Proven to immediately clear dashboard codes and restore smooth engine response.
- Massive Savings: Get dealer-quality performance at a fraction of the cost.
- Easy DIY: Save hundreds on labor with a quick 15-to-20 minute driveway install.
Automotive-Leader Sensors
Vehicle Compatible
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Product Specifications
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Interchange:
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Interchange:
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• Harness: 4-wire, 11.42 in (290mm), Female • Thread: 0.708 in (18.0mm), Threaded |
• Harness: 4-wire, 20.28 in (515mm), Female • Thread: 0.708 in (18.0mm), Threaded |
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Package Content :
2PCS (234-4620 Upstream + 234-4621 Downstream) Oxygen Sensor
A Guide for Users Without Repair Experience
1. When your vehicle malfunctions, use a CBD to scan and identify the fault codes (if you're unsure how to scan or interpret the codes, visit our blog for guidance).
2. Identify the faulty component based on the diagnostic code and remove it.
3. Select your vehicle's year, model, and brand directly from the search panel below, or search by the part number on the component to verify compatibility.
4. After selecting, click “Search.” A green result confirms the part is compatible. If unsure, click the result below to view deta
Please check the fitment notes for Oxygen sensor installation location information！！！
Bank 1 Sensor 1 means Upstream Right/Rear; Bank 2 Sensor 1 means Upstream Left/Front
Bank 1 Sensor 2 means Downstream Right/Rear; Bank 2 Sensor 2 means Downstream Left/Front
sensor 1=Upstream sensor 2=Downstream