Oxygen Sensor, Right Side, Before Catalyst - Mopar (56028994AA)
2004-2005 Mopar - 56028994aa

Before Catalyst.
Restore your vehicle’s factory-level efficiency and performance with this Genuine MOPAR Right-Side Pre-Catalyst Oxygen Sensor. As an authentic Original Equipment Manufacturer part, it delivers the exact engineering, precise fitment, and rigorous quality standards that aftermarket alternatives simply cannot match.
Positioned before the catalytic converter, this upstream sensor monitors exhaust gases to optimize your engine's air-fuel ratio. Upgrading to a genuine factory replacement ensures smooth idling, restores lost fuel economy, and prevents the premature wear of expensive emission components.
We set ourselves apart by sourcing only 100% authentic MOPAR components, giving you total peace of mind that your vehicle is running exactly as the engineers intended. Skip the guesswork of generic parts and choose the reliability of factory-grade performance.
Key Features
- Precise right-side upstream placement
- Maximizes fuel efficiency
- Corrects engine hesitation
- True factory engineering
- Return Policy
- Min. 12 Months
- Safe, Secure Checkout
Product Details
Description
Before Catalyst.
Restore your vehicle’s factory-level efficiency and performance with this Genuine MOPAR Right-Side Pre-Catalyst Oxygen Sensor. As an authentic Original Equipment Manufacturer part, it delivers the exact engineering, precise fitment, and rigorous quality standards that aftermarket alternatives simply cannot match.
Positioned before the catalytic converter, this upstream sensor monitors exhaust gases to optimize your engine's air-fuel ratio. Upgrading to a genuine factory replacement ensures smooth idling, restores lost fuel economy, and prevents the premature wear of expensive emission components.
We set ourselves apart by sourcing only 100% authentic MOPAR components, giving you total peace of mind that your vehicle is running exactly as the engineers intended. Skip the guesswork of generic parts and choose the reliability of factory-grade performance.
Key Features
- Precise right-side upstream placement
- Maximizes fuel efficiency
- Corrects engine hesitation
- True factory engineering

| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
Shipping Policy
In stock orders ship within 24 hours. The web site does not reflect inventory on hand t the store, but rather inventory across all of Chrysler's depots... Check out our Shipping Policy for more details.
Return Policy
Contact us to arrange for any returns... Check out our Return Policy for more details.

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