O2 Oxygen Sensor Upstream Downstream for Dodge Grand Caravan (2008-2020) 3.3L, 3.6L, 3.8L, 4.0L

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Direct-Fit Upstream and Downstream Oxygen Sensor Set for 2008-2020 Dodge Grand Caravan (RT)

What it Does: The 4-piece O2 sensor set replaces worn upstream and downstream oxygen sensors on the 2008-2020 Dodge Grand Caravan to restore closed-loop fuel management and resolve catalytic efficiency fault codes.

The Stock Dodge Grand Caravan Sensor Degradation

Factory oxygen sensors on the RT platform degrade after thousands of thermal cycles, accumulating carbon, oil blow-by, and silicates on the porous ceramic core. Sluggish sensor switching latency causes the PCM to miscalculate air-fuel ratios, leading to unburned hydrocarbons, reduced gas mileage, engine stumbling, and persistent DTCs such as P0130, P0161, P0420, and P0430.

The Engineering Solution

Equipped with planar zirconia ceramic elements and integrated fast-acting heater circuits, this direct-replacement set delivers rapid closed-loop response right from cold starts. Dual-layered 304 stainless steel heat shielding protects the internal element from thermal fatigue and exhaust contamination. Pre-terminated, vehicle-specific harness plugs snap directly into factory connectors matching 234-4588 and SG1852 OE pinouts without wire cutting or splicing.

What's Included

2x Upstream Oxygen Sensors (Pre-Catalytic Converter)
2x Downstream Oxygen Sensors (Post-Catalytic Converter)

Technical Specifications

Fitment	2008-2020 Dodge Grand Caravan
Engine / Chassis	3.3L (EGV), 3.6L (Pentastar), 3.8L (EGH), 4.0L (EGQ) / RT
Stock Output	175–283 hp / 205–260 lb-ft
Replaces OEM Part #	SG1852, 234-4588, 234-4593, 234-4594, 234-4598, 234-4653, 234-4749, 234-4030, 234-4217, 234-4228, 234-4229, 234-4232

Compatibility

2008-2010 Dodge Grand Caravan 3.3L V6 (EGV)
2008-2010 Dodge Grand Caravan 3.8L V6 (EGH)
2008-2010 Dodge Grand Caravan 4.0L V6 (EGQ)
2011-2020 Dodge Grand Caravan 3.6L Pentastar V6

Frequently Asked Questions & Fitment Warnings

Does this fit the RT Grand Caravan?

Yes, this is a direct fit for the 2008-2020 Dodge Grand Caravan equipped with the Pentastar 3.6L or earlier 3.3L, 3.8L, and 4.0L V6 engines on the RT chassis.

Do I need special tools or preparation to install these sensors?

Use a dedicated slotted 7/8-inch (22mm) O2 sensor socket, apply anti-seize exclusively to the threads avoiding the sensor tip, and clear PCM trouble codes after installation.

The Dodge Durability Standard

Built to handle continuous duty and fleet demands, these direct-fit sensors maintain proper AFR control and emission compliance under heavy passenger and cargo hauling.