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Oxygen O2 Sensor 234-4087 Sg277 Fit For Downstream Chevrolet&Pontiac&Buick&Oldsmobile 1996-2004,Gmc 1997-2003,Isuzu 1997-2000 /
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Vendor: OYEAUTO
Type: Oxygen
Sku: WBCARB0CBWTQC8Z
Available: Available
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
⚠️ California Proposition 65 Warning :
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
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Oxygen O2 Sensor 234-4087 Sg277 Fit For Downstream Chevrolet&Pontiac&Buick&Oldsmobile 1996-2004,Gmc 1997-2003,Isuzu 1997-2000 /
$20.87
FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
- Q: What is the part number for this oxygen sensor? A: The part number is two hundred thirty-four thousand four hundred eighty-seven. This specific number helps identify the correct sensor for your vehicle.
- Q: What vehicles does this oxygen sensor fit? A: This sensor fits multiple Chevrolet, Pontiac, Buick, Oldsmobile, GMC, and Isuzu models from the years nineteen ninety-six to two thousand four. It’s important to verify compatibility with your vehicle.
- Q: What material is this oxygen sensor made from? A: This oxygen sensor is made from aluminum oxide. This material is chosen for its durability and effectiveness in measuring oxygen levels.
- Q: How long is the warranty for this product? A: The warranty lasts for twelve months. During this period, you can request a refund or replacement if the sensor has any issues.
- Q: What is the installation process for this oxygen sensor? A: Installation involves locating your vehicle's existing oxygen sensor and replacing it with this new unit. Make sure to follow specific vehicle guidelines for proper installation.
- Q: Is this oxygen sensor suitable for both upstream and downstream applications? A: Yes, this oxygen sensor is suitable for both upstream and downstream applications. It can be used in various locations depending on your vehicle’s configuration.
- Q: How do I confirm this sensor fits my vehicle? A: You can confirm fitment by checking the compatibility list in the product description. It's crucial to match your vehicle's make, model, and engine specifications.
- Q: What should I do if my oxygen sensor fails? A: If your oxygen sensor fails, check for error codes in your vehicle’s diagnostic system. It may need replacement, and you can contact customer support for warranty assistance.
- Q: Can I clean and reuse this oxygen sensor? A: No, this oxygen sensor should not be cleaned or reused. It is designed for one-time use and must be replaced when it fails.
- Q: What is the expected lifespan of this oxygen sensor? A: The expected lifespan of this oxygen sensor is generally between fifty thousand to one hundred thousand miles. Proper vehicle maintenance can help extend its life.
- Q: How do I store this oxygen sensor before installation? A: Store the oxygen sensor in a cool, dry place and avoid exposing it to extreme temperatures. Keep it in its original packaging until you are ready to install.
- Q: Do I need special tools to install this oxygen sensor? A: Yes, you typically need basic hand tools such as a wrench or socket set for installation. Some vehicles may require specialized tools for easier access.
- Q: What signs indicate that I need to replace my oxygen sensor? A: Signs of a failing oxygen sensor include poor fuel economy, rough engine performance, and the check engine light illuminating. Address these issues promptly.
- Q: Is this oxygen sensor compatible with aftermarket exhaust systems? A: Yes, this oxygen sensor can be compatible with most aftermarket exhaust systems. However, always verify compatibility with the specific exhaust system installed.
- Q: How does this oxygen sensor improve engine performance? A: This oxygen sensor improves engine performance by accurately measuring the air-to-fuel ratio. This data helps the engine control unit optimize fuel efficiency and reduce emissions.