O2 Oxygen Sensor Upstream Downstream for Honda Odyssey (2011-2013) 3.5L

Direct-Fit 4-Piece Upstream & Downstream O2 Oxygen Sensor Kit for 2011-2013 Honda Odyssey (RL5)

What it Does: This 4-piece upstream and downstream oxygen sensor kit monitors pre- and post-catalyst exhaust gas oxygen levels on the 2011-2013 Honda Odyssey (RL5) J35Z8 3.5L V6 to maintain closed-loop fuel trim and verify catalytic converter efficiency.

The Stock Honda Odyssey Oxygen Sensor Failure

On the RL5 Odyssey equipped with the J35Z8 3.5L V6, factory oxygen sensors endure severe thermal cycling and oil-ash contamination from Variable Cylinder Management (VCM) operation. Over high mileage, the zirconia sensing elements become poisoned by silicone or carbon deposits, while internal heater circuits open or short out. This causes sluggish voltage switching, skewed air-fuel ratio readings, and triggers persistent diagnostic trouble codes such as P0134, P0154, P0138, or false P0420/P0430 catalyst efficiency faults.

Common Symptoms of a Failing OEM Oxygen Sensor

• Check Engine Light / DTCs: Triggers heater or response faults like P0134, P0154, and P0135/P0155 due to open heater circuits or dead sensor output.
• Sluggish Fuel Trim & Rich Running: Lazy upstream Air/Fuel readings force open-loop enrichment, fouling spark plugs and reducing fuel economy.
• Failed Emissions Testing: Compromised downstream sensors skew catalyst oxygen storage tracking, triggering P0420/P0430 codes or incomplete readiness monitors.

The Direct-Fit 4-Piece O2 Sensor Solution

Replacing all four sensors simultaneously with this matched direct-fit kit restores factory closed-loop lambda feedback across both Bank 1 and Bank 2. Each sensor utilizes a laser-welded 310S stainless steel housing and porous ceramic-protected zirconia sensing element engineered to resist exhaust moisture and thermal shock. Pre-applied anti-seize on the threads and OEM-style weatherproof connectors ensure clean plug-and-play installation matching 36531-R70-A01, 36532-R70-A01, 234-4461, and 234-5098 electrical resistance specs.

What's Included

• 2x Upstream Oxygen Sensors (Replaces 36531-R70-A01)
• 2x Downstream Oxygen Sensors (Replaces 36532-R70-A01)

Technical Specifications

Compatibility

• 2011 Honda Odyssey 3.5L (RL5 / J35Z8)
• 2012 Honda Odyssey 3.5L (RL5 / J35Z8)
• 2013 Honda Odyssey 3.5L (RL5 / J35Z8)

Frequently Asked Questions & Fitment Warnings

Does this fit the RL5 Odyssey?

Yes. This is a direct fit for the 2011-2013 Honda Odyssey equipped with the J35Z8 3.5L V6 engine. Confirm your 3.5L engine before ordering; this kit excludes 2005-2010 and 2014+ Odyssey models with revised harnesses.

Will this kit clear P0134, P0154, or P0420/P0430 codes?

Yes, for sensor-driven faults. Installing fresh upstream and downstream sensors restores Bank 1 and Bank 2 telemetry to clear P0134, P0154, and heater circuit codes, though a physically depleted catalytic converter will still trigger P0420/P0430.

Do these sensors require wire splicing for installation?

No. All four sensors feature factory-length harnesses with OEM-style connectors matching 234-4461 and 234-5098; install using a 22mm O2 sensor socket and torque to 30–33 lb-ft.

The Honda Precision Standard

Engineered for strict emissions compliance and closed-loop PCM accuracy, this matched sensor kit keeps your RL5 Odyssey free of Check Engine Lights. Restoring accurate Bank 1 and Bank 2 lambda feedback ensures clean drivability and consistent fuel economy.