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Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
O2 Oxygen SensorFitmentCompatible with: 2009-14 Subaru Impreza WRX H4 2.5L Upstream Bank 1 Sensor 1Compatible with: 2009-14 Subaru Impreza WRX Premium H4 2.5L Upstream Bank 1 Sensor 1Compatible with: 2010-14 Subaru Impreza WRX Limited H4 2.5L Upstream Bank 1 Sensor 1Compatible with: 2011-13 Subaru Forester H4 2.5L Turbo Upstream Bank 1 Sensor 1Compatible with: 2008-09 Subaru Outback H4 2.5L Turbo Upstream Bank 1 Sensor 1Compatible with: 2009-10 Subaru Impreza 2.5 GT H4 2.5L Upstream Bank 1 Sensor 1Compatible with: 2008-09 Subaru Legacy H4 2.5L Turbo Upstream Bank 1 Sensor 1Product AttributesThread Diameter: 0.71 inWrench Size: 0.87 inOverall Length: 11.81 inThread Diameter: 18 mmWiring Harness Length: 181 mmWrench Size: 22 mmOverall Length: 300 mmTerminal Quantity: 4Wire Quantity: 4Wiring Harness Length: 7.13 inTerminal Type: BladeThread Size: M18x1.5-6eTerminal Gender: MaleConnector Gender: MaleUniversal Or Specific Fit: SpecificConnector Shape: SquareGrade Type: Standard ReplacementMounting Type: ThreadedSensor Type: Wide-BandHeated: YesSensor Design: PlanarProduct Features Application Specific Design: No modifications and pre-calibrated Isotatic-pressed and plasma-sprayed for extended service life Double-Layered 310S Stainless Steel: Additional protection from moisture and debris Restored Engine Performance: Improved fuel economy and lower emissionsItem DetailsTRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicles emission system. Each sensor is isostatically-pressed for improved strength and durability, and plasma-sprayed to improve sensitivity and prolong the service life of the sensors. Oxygen sensors wear out over time and should be replaced every 60,000 miles to prevent poor engine performance. TRQ recommends replacing the oxygen sensors in sets to optimize fuel economy and reduce overall emissions. All products are fit and road-tested in our Massachusetts R&D facility to ensure we deliver on our promise of Trusted Reliable Quality.Reference NumbersBosch: 18080DENSO: 234-9035, 234-9108OMNIPARTS: 19060451Subaru: 22641AA420, 22641AA42A, 22641AA590Walker Products: 250-54064
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What is the thread size of the TRQ O2 Oxygen Sensor?A: The thread size is M18 by 1.5-6e. This size ensures compatibility with specific Subaru vehicle models.
Q: What are the dimensions of the TRQ O2 Oxygen Sensor?A: The overall length is eleven point eight one inches and the thread diameter is zero point seventy one inches. These dimensions make it suitable for various Subaru models.
Q: What material is the TRQ O2 Oxygen Sensor made of?A: The sensor is made of double-layered three hundred ten S stainless steel. This material provides additional protection from moisture and debris.
Q: How do I install the TRQ O2 Oxygen Sensor?A: To install, locate the upstream bank one sensor in your vehicle and replace it with the TRQ sensor. Ensure that it fits snugly and securely.
Q: Is the TRQ O2 Oxygen Sensor compatible with my Subaru?A: Yes, it is compatible with specific Subaru models from two thousand nine to two thousand fourteen. Check the fitment guide for your exact model.
Q: How often should I replace the TRQ O2 Oxygen Sensor?A: It is recommended to replace the sensor every sixty thousand miles. Regular replacement helps maintain engine performance and fuel efficiency.
Q: How do I clean the TRQ O2 Oxygen Sensor?A: The sensor should not be cleaned as it is sensitive and can be damaged. If malfunctioning, replace it rather than attempting to clean it.
Q: Can I store the TRQ O2 Oxygen Sensor for a long time?A: Yes, it can be stored if kept in a dry and cool place. Avoid exposure to moisture to maintain its integrity.
Q: What should I do if the TRQ O2 Oxygen Sensor arrives damaged?A: If damaged, contact customer support for a replacement or refund. Always inspect the product upon arrival.
Q: How does the TRQ O2 Oxygen Sensor improve fuel economy?A: The sensor optimizes the fuel-air mixture, leading to improved fuel economy and reduced emissions. This function is crucial for engine performance.
Q: Is the TRQ O2 Oxygen Sensor a universal fit?A: No, it is specifically designed for certain Subaru models. Confirm compatibility using the Amazon Garage feature.
Q: What warranty does the TRQ O2 Oxygen Sensor come with?A: The sensor typically comes with a limited warranty. Check the product details for specific warranty information.
Q: Does the TRQ O2 Oxygen Sensor require any modifications for installation?A: No, it is designed as a direct replacement, requiring no modifications for installation. This ensures a hassle-free setup.
Q: What if my engine light stays on after replacing the TRQ O2 Oxygen Sensor?A: If the engine light remains on, there may be other issues in the vehicle. A diagnostic check is recommended to identify any additional problems.
Q: How does the TRQ O2 Oxygen Sensor affect emissions?A: The sensor helps to lower emissions by providing accurate readings to optimize the fuel mixture. This is essential for compliance with environmental standards.