{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
Guaranteed to Fit2007 Mazda 3 Change Vehicle

Walker Products®
2007 Mazda 3 - Before Catalytic Converter Oxygen Sensor, B1S1; Non California-ESV, Sold individually, 5-wire, 4 Cyl 2.0L, Walker Products Original Equipment Base Sensor

Tap image and pinch to zoom.
$118.99
$263.99Save: $145.00(55%)
Manufacturer #250-25029
Guaranteed to Fit2007 Mazda 3 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2007 Mazda 3
S
4 Cyl 2.3L
B1S1; Non California-ESV
2007 Mazda 3
i
4 Cyl 2.0L
B1S1; Non California-ESV

Highlights

Location:
Before Catalytic Converter
Notes:
Wideband sensor
Type:
5-wire
Quantity Sold:
Sold individually
Product Fit:
Direct Fit
Wire Length:
19.69 in. Wire Length
Interchange Part Number:
REPM960921
Warranty:
90-day Walker Products limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series:
Walker Products Original Equipment Base Sensor
Fitnotes:
B1S1; Non California-ESV

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2006 Mazda 3
GS
4 Cyl 2.0L
B1S1; Non California-ESV
2006 Mazda 3
GT
4 Cyl 2.3L
B1S1; Non California-ESV
2006 Mazda 3
GX
4 Cyl 2.0L
B1S1; Non California-ESV
2006-2009 Mazda 3
S
4 Cyl 2.3L
B1S1; Non California-ESV
2006-2013 Mazda 3
i
4 Cyl 2.0L
B1S1; Non California-ESV
Page 1 of 3 | Showing 1 - 5 of 14 results

Product Information

WALKER PRODUCTS ORIGINAL EQUIPMENT OXYGEN SENSORS

Restore your ride to optimum, OE-standard performance with Walker Products’ original equipment oxygen sensors. They’ exactly the same sensors as the ones your vehicle has, offering a straightforward replacement that’s as good as it gets. Walker Products supplies the automotive aftermarket with premium engine sensors and fuel system components.

  • Exact original equipment sensor
  • Made with first-class materials in TS 16949/ISO 9001-2008 qualified facilities
  • Extends sensor life and minimizes emissions
  • Boosts fuel economy and engine response
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Customer Reviews

You guys rock. My phone advisor. Took great pains to make sure we were getting the right parts for my non California emmission car. She tripple checked to make sure they were right. I got quick delivery and had the whole thing done from order to running with new sensors in 7 days. That includes scheduling with my mechanics schedule. That's nice
Purchased on Oct 11, 2015
Good product. Thank you
Samuel P D.
VERIFIED PURCHASER
Purchased on Sep 14, 2022