GM Genuine Parts®Verified to fit 5 vehicles
| Vehicle | Trim | Engine |
|---|---|---|
| 2026 Cadillac CT5Upstream Right | V Blackwing | V8 6.2L |
| 2025 Cadillac CT5Upstream Right | V Blackwing | V8 6.2L |
| 2024 Cadillac CT5Upstream Right | V Blackwing | V8 6.2L |
| 2023 Cadillac CT5Upstream Right | V Blackwing | V8 6.2L |
| 2022 Cadillac CT5Upstream Right | V Blackwing | V8 6.2L |
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts
Guaranteed fit — or free return
Currently out of stock
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If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
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Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
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Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
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GM Genuine Parts Oxygen Sensor 12705409
Out of stock · guaranteed fit or free return
GM Genuine Parts Oxygen Sensor 12705409
FREE delivery between Sat, Oct 24 to Sat, Oct 24
Ships To:Key Features
About This Oxygen Sensor
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
GM Genuine Parts
Trusted Automotive Brand
GM Genuine Parts is a trusted manufacturer of quality automotive parts.
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The GM Genuine Parts Oxygen Sensor (12705409) is a direct-fit replacement for 2022-2026 Cadillac vehicles. UPC 193468601367. Ships free.
About This Product
Oxygen Sensor
The GM Genuine Parts Oxygen Sensor (12705409) is a direct-fit replacement for 2022-2026 Cadillac vehicles. UPC 193468601367. Ships free.
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection
Brand-first. Fitment-obsessed.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing
Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
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Millions of Parts, One Promise
If we say it fits, it fits.