Product Information
Walker 63QX21P Upstream Oxygen Sensor Fits 2013-2018 Nissan Altima Sedan
*** Must Read Fit Information Below ***

Position: Upstream
Brand: Walker Oxygen Sensor
Notes: OE Base Sensor -- B1S1
Sensor Type: Heated
Universal Or Specific Fit: Specific
Wire Quantity: 4
Features:
- Designed to meet or exceed OE specifications in form, fit and function. Global coverage for import and/or domestic applications. Direct fit replacement. Performance meets or exceeds OE performance. Increase fuel economy and lower emissions
Condition: New
| Vehicle Fitment | Body | Engine | |||||||||
| * Fit Notes: Calif-ESV | |||||||||||
| 2015 Nissan Altima | 2.5L 4 Cyl QR25DE FI Naturally Aspirated GAS | ||||||||||
| 2014 Nissan Altima | 2.5L 4 Cyl | ||||||||||
| 2013 Nissan Altima | Sedan | 2.5L 4 Cyl QR25DE FI Naturally Aspirated GAS | |||||||||
| Vehicle Fitment | Engine | ||||||||||
| * Fit Notes: Calif Emissions | |||||||||||
| 2016-2018 Nissan Altima | 2.5L 4 Cyl QR25DE FI Naturally Aspirated GAS | ||||||||||
Warranty Policy
Most items listed come with a Limited 1 year Warranty against defects! The warranty does not cover shipping, labor or any other charges. Any shipping, installation, or incidental fees are non-refundable. Buyer is responsible for all shipping charges. Returns must come back in original product packaging. If an item arrives damaged, please email us immediately, so that we can correct the situation. New items that have been installed or altered are non-returnable.
30 Day Return Policy
Return shipping paid by: BuyerItem must be returned within: 30 Days
Refund will be given as: Money Back
If you have to return an item please DO NOT RETURN without getting a valid RMA number from us. You can get one by simply emailing us directly through eBay.