premium
DormanDOR-2685
OE Replacement Downstream O2 Sensor
4.9 (848)Rated 4.9 out of 5 from 848 reviews$2,091.99
In stock5 Year
Exhaust & Emission
Confirmed to fit 2021 Ford F-150 3.3L V6. Every listing below is filtered to that vehicle.
5 parts
standard
BoschBOS-2899
Premium Downstream O2 Sensor
4.3 (701)Rated 4.3 out of 5 from 701 reviews$715.99$937.99−24%
In stock2 Year
standard
HellaHEL-1881
Precision Downstream O2 Sensor
4.0 (741)Rated 4.0 out of 5 from 741 reviews$1,658.99
In stock36 Month
economy
HellaHEL-1906
Precision Downstream O2 Sensor
3.9 (644)Rated 3.9 out of 5 from 644 reviews$1,416.99$1,841.99−23%
In stock90 Day
standard
DelphiDEL-2361
Precision PCV Valve
3.7 (132)Rated 3.7 out of 5 from 132 reviews$396.99
Out of stock2 Year