Aceon®Verified to fit 102 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 2005 Volkswagen PassatDownstream | GLS | V6 2.8L | Note: Set of 6; Mounting Location: Valve Cover; Yellow;OEM Replacement |
| 2005 Volkswagen PassatUpstream | GLS | V6 2.8L | Note: Set of 6; Coil On Plug; Push On; Blue;OEM Replacement |
| 2005 Volkswagen PassatDownstream | GLS 4 Motion | V6 2.8L | Note: Incl. Set of 8 Ignition Coils/16 Iridium Spark Plugs; 3 Terminals; Yellow |
| 2005 Volkswagen PassatUpstream | GLS 4 Motion | V6 2.8L | Note: Push On; Black |
| 2005 Volkswagen PassatDownstream | GLX | V6 2.8L | Note: Black |
| 2005 Volkswagen PassatUpstream | GLX | V6 2.8L | Note: 12.40 in. Wiring Harness Length; Female Connector |
| 2005 Volkswagen PassatDownstream | GLX 4 Motion | V6 2.8L | Note: Set of 4; Coil On Plug; Push On; Black;OEM Replacement |
| 2005 Volkswagen PassatUpstream | GLX 4 Motion | V6 2.8L | Note: Set of 6; Platinum;0.044 in. Plug Gap |
| 2004 Audi A6 QuattroDownstream | Base | V8 4.2L | Note: Iridium Platinum;0.051 in. Plug Gap |
| 2004 Audi A6 QuattroUpstream | Base | V8 4.2L | Note: 11.81 in. Wiring Harness Length |
| 2004 Audi RS6Downstream | — | V8 4.2L | Note: Incl. Set of 8 Ignition Coils/8 Platinum Spark Plugs; Yellow |
| 2004 Audi RS6Upstream | — | V8 4.2L | Note: Oval; Black;OEM Replacement |
| 2004 Volkswagen PassatDownstream | GL | V6 2.8L | Note: Set of 6; Platinum; Manufacturer Heat Range 7;0.040 in. Plug Gap |
| 2004 Volkswagen PassatUpstream | GL | V6 2.8L | Note: Set of 4; Bolt On; Black;OEM Replacement |
| 2004 Volkswagen PassatDownstream | GLS | V6 2.8L | Note: Set of 16; Platinum;0.044 in. Plug Gap |

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

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Guaranteed to fitFits your vehicle or we pay the return. Learn more
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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ACEON Oxygen sensor for Audi 2000-2004 A6 Quattro A8 Quattro S4 S8 Volkswagen 2000-2008 Passat V8 V6
Guaranteed fit or free return

ACEON Oxygen sensor for Audi 2000-2004 A6 Quattro A8 Quattro S4 S8 Volkswagen 2000-2008 Passat V8 V6
In stock· ships today
FREE shipping · Get it by Wed, Nov 4
Delivering to your area ·

Key Features
About This Oxygen Sensor
This ACEON 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

ACEON
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ACEON is a trusted manufacturer of quality automotive parts.
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The Aceon Oxygen Sensor (8826-6506) is a direct-fit replacement for 2000-2005 Audi and Volkswagen vehicles. UPC 196651176611. In stock and ships free.
About This Product
Oxygen Sensor
The Aceon Oxygen Sensor (8826-6506) is a direct-fit replacement for 2000-2005 Audi and Volkswagen vehicles. UPC 196651176611. In stock and ships free.
This ACEON 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.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.




