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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: 2014-18 Subaru Forester H4 2.0L Upstream Bank 1 Sensor 1Compatible with: 2015-20 Subaru WRX H4 2.0L Upstream Bank 1 Sensor 1Product AttributesThread Diameter: 0.71 inWrench Size: 0.87 inOverall Length: 12.99 inThread Diameter: 18 mmWiring Harness Length: 213 mmWrench Size: 22 mmOverall Length: 330 mmTerminal Quantity: 5Wire Quantity: 5Wiring Harness Length: 8.39 inConnector Gender: FemaleTerminal Gender: FemaleThread Size: M18x1.5-6eTerminal Type: Pressure ContactConnector Shape: RectangleUniversal Or Specific Fit: SpecificGrade 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 NumbersDENSO: 234-5178Walker Products: 250-25125
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 diameter of the TRQ O2 oxygen sensor?A: The thread diameter is zero point seventy-one inches.
Q: What is the overall length of the TRQ O2 oxygen sensor?A: The overall length is twelve point ninety-nine inches.
Q: What is the wrench size needed for the TRQ O2 oxygen sensor?A: The wrench size required is zero point eighty-seven inches.
Q: What type of material is used in the TRQ O2 oxygen sensor?A: The sensor is made from double-layered three hundred ten S stainless steel.
Q: How many terminals does the TRQ O2 oxygen sensor have?A: The sensor has five terminals.
Q: What is the wiring harness length of the TRQ O2 oxygen sensor?A: The wiring harness length is eight point thirty-nine inches.
Q: How do I install the TRQ O2 oxygen sensor?A: To install, simply replace the old sensor with the new one in the upstream bank one location, ensuring a snug fit.
Q: Is the TRQ O2 oxygen sensor compatible with my Subaru Forester?A: Yes, it is compatible with the two thousand fourteen to two thousand eighteen Subaru Forester H4 two point zero liter.
Q: Can I use the TRQ O2 oxygen sensor for a Subaru WRX?A: Yes, it is compatible with the two thousand fifteen to two thousand twenty Subaru WRX H4 two point zero liter.
Q: How do I maintain the TRQ O2 oxygen sensor?A: Regularly check connections and ensure they are clean to maintain sensor performance.
Q: What is the service life of the TRQ O2 oxygen sensor?A: The sensor is designed to last approximately sixty thousand miles.
Q: How should I store the TRQ O2 oxygen sensor?A: Store the sensor in a cool, dry place to prevent damage before installation.
Q: What if the TRQ O2 oxygen sensor arrives damaged?A: If damaged, please contact customer support for a replacement or return.
Q: Is the TRQ O2 oxygen sensor easy to install for a beginner?A: Yes, it is designed for easy installation as a direct replacement.
Q: What is the warranty on the TRQ O2 oxygen sensor?A: The sensor comes with a standard manufacturer warranty for quality assurance.
Q: How does the TRQ O2 oxygen sensor improve fuel economy?A: By accurately measuring oxygen levels, it helps optimize engine performance and reduce emissions.