O2 Oxygen Sensor 15717 Downstream Upstream Compatible with Ford

In this review the O2 Oxygen Sensor 15717 kit is evaluated for drivers who need a direct replacement sensor set for older Ford, Mercury, Lincoln and a few Mazda models. The bottom line: it is best for DIY mechanics and fleet owners who want a cost-effective, four-piece replacement that mirrors original 4-wire plugs and requires no modifications. The reviewer found the kit reliable in basic function, easy to install thanks to pre-applied anti-seize fittings, and a clear value choice for vehicles listed in the compatibility notes.

Key Features

• Wide vehicle fitment: Covers many Ford models from the late 1980s through 2014 so a single kit supports multiple older vehicles in a household or shop.
• Direct replacement: No modifications required because the sensors use original-style 4-wire plugs when they match the pictured connector, making swaps straightforward.
• Pre-installed anti-seize: Comes with brass anti-seize and crush washers which simplify installation and reduce the chance of damaging threads during removal.
• Durable construction: Built from materials intended for long service life so the sensors hold up under typical exhaust conditions for replacement parts.
• Support included: The seller offers customer service to help confirm fitment and answer post-purchase questions, giving extra confidence when buying.

Who It's For

This kit is aimed at owners of older Ford light trucks, vans and sedans - F150, F250, F350, Econoline vans, Crown Victoria, Ranger and compatible Mercury and Lincoln models - who need a straightforward downstream or upstream oxygen sensor replacement. It is also a useful option for small shops or hobbyists who prefer buying a set of four to cover multiple sensors at once.

Those who should look elsewhere include owners of newer vehicles outside the listed years or models and anyone who cannot confirm a match between their vehicle's 4-wire connector and the product picture; fitment verification is essential to avoid returns.

Pros & Cons

Pros

• Good value for money for a four-piece set compared with single OE sensors.
• Generally positive quality reports from buyers who say the sensors function as expected.
• Easy installation thanks to pre-applied anti-seize and included crush washers.

Cons

• Functionality reports are mixed for some users, so fitment checks and testing after install are advisable.

Specifications

Compatible Makes	Ford, Mercury, Lincoln, Mazda (selected models)
Vehicle Years	Approx 1989 to 2014 (varies by model)
Included Pieces	4 sensors (kit)
Connector Type	4-wire original style (match picture)
Part Numbers Covered	15716, 15717, 15718, 15719, 234-4045 and more
Installation	Direct replacement, pre-installed anti-seize and crush washer

Our Verdict

The O2 Oxygen Sensor 15717 4-piece kit is a practical, budget-friendly option for owners of older Ford family vehicles who need reliable direct-fit oxygen sensors. It delivers solid value and easier installs with anti-seize fittings, making it a good buy for DIYers and small shops, provided the buyer confirms the 4-wire connector matches the pictured plug.

Frequently Asked Questions

Will these sensors fit my exact vehicle?
Check the product picture and confirm you have a 4-wire connector and that your model/year appears in the fitment list before ordering.

Are special tools required for installation?
No special tools are required; sensors include anti-seize and crush washers so common hand tools are sufficient.

What if a sensor fails after installation?
Contact the seller support for help; the listing notes customer service is available to assist with fitment and issues.