How to Maintain and Fix an Oxygen Sensor on 2008 Jeep Wrangler?

The engine should be cooled down before you try to service or repair the oxygen sensor, because the manifold, pipes and catalytic converter usually get very hot when you are running the engine. With the vehicle supported, take off the wire connector from the O2S sensor without pulling any wires attached to it. You can remove the O2S sensor with a special cabling/assist tool or with a 22mm or 7/8" wrench. Once you have removed the fuel filter, flush the threads in the exhaust pipe with the right tap. Do not use any type of grease on the oxygen sensor connector and never try solder work on the sensor harness.

OEM 2008 Jeep Wrangler Oxygen Sensor

Oxygen O2 Sensor

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

3 Oxygen Sensors found

View related parts
2008 Jeep Wrangler Oxygen Sensor, Front Part Number: 56029084AA
$152.73 MSRP: $231.00
You Save: $78.27 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Oxygen; Oxygen Sensor, Front, Front Right, Rear; Rear Oxygen Sensor; Front Oxygen Sensor; Sensor Oxygen
- Position: Front
- Item Weight: 0.60 Pounds
- Item Dimensions: 1.8 x 3.4 x 6.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 56029084AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Wrangler Submodels:
- 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 6 Cyl 3.8 L GAS
View related parts
2008 Jeep Wrangler Oxygen Sensor, Front Driver Side Part Number: 56029049AA
$97.32 MSRP: $144.00
You Save: $46.68 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Oxygen; Oxygen Sensor, Front, Front Left, Front Right, Rear, Rear Left, Rear Right; Rear Oxygen Sensor; Front Oxygen Sensor; Upper Oxygen Sensor; Lower Oxygen Sensor; Sensor Oxygen
- Position: Front Driver Side
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.9 x 3.3 x 5.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 56029049AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Wrangler Submodels:
- 65th Anniversary Edition, Rubicon, SE, Sahara, Sport, Unlimited, Unlimited Rubicon, Unlimited Sahara, Unlimited X, X | 4 Cyl 2.4 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS
View related parts
2008 Jeep Wrangler Oxygen Sensor, Rear Part Number: 56029085AA
$85.52 MSRP: $127.00
You Save: $41.48 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Oxygen; Oxygen Sensor, Front, Front Left, Rear; Front Oxygen Sensor; Sensor Oxygen
- Position: Rear
- Item Weight: 0.70 Pounds
- Item Dimensions: 1.1 x 1.8 x 19.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 56029085AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Wrangler Submodels:
- Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 6 Cyl 3.8 L GAS

2008 Jeep Wrangler Oxygen Sensor Parts and Q&A

Q: How to Maintain and Fix an Oxygen Sensor on 2008 Jeep Wrangler?
A: The engine should be cooled down before you try to service or repair the oxygen sensor, because the manifold, pipes and catalytic converter usually get very hot when you are running the engine. With the vehicle supported, take off the wire connector from the O2S sensor without pulling any wires attached to it. You can remove the O2S sensor with a special cabling/assist tool or with a 22mm or 7/8" wrench. Once you have removed the fuel filter, flush the threads in the exhaust pipe with the right tap. Do not use any type of grease on the oxygen sensor connector and never try solder work on the sensor harness.