I received the goods. They look the same, but how do you differentiate Downstream/Upstream?

They look the same cause they are the same. Meaning they will only fit either upstream or downstream. It’s not an complete set of O2 sensors for all four oxygen sensors

will these o2 sensors replace all 4 sensors on a 2005 grand marquis 4.6 liter v8?

I put all 4 in a 95 Ford Windstar a couple weeks later the engine light came back on

this sensors works with the explorer 2010 4.6L ?

Be sure to check the wiring connection also make sure they are upstream and or downstream that you need

I purchased these for my wife's 1996 Ford Mustang but how can you tell which ones are upstream and downstream ?

They are all the same, I think upstream and downstream are for the purpose of identifying the position of a detective sensor.

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RANSOTO Set of 4 O2 Oxygen Sensor 15717 Downstream/Upstream Compatible with Ford F150 F250 F350 Lincoln Mazda Mercury Replaces 15716 15718 11171843

Product ID: 309688591

Details

Brand
RANSOTO
Item dimensions L x W x H
20 x 9 x 6
Item weight
0.49 Kilograms
Material
Stainless
Style
Modern

🔌5V Max Supply Voltage

⚙️Stainless Steel Durability

🌡️Up to 800°C Heat Resistance

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Description

🚗 Upgrade your ride’s breathability with precision-engineered O2 sensors!

COMPREHENSIVE COVERAGE - Set of 4 sensors covers both upstream and downstream O2 sensing for optimal engine performance.
PLUG PLAY INSTALLATION - Flange mount design with push-pull output ensures hassle-free, direct replacement—no mechanic needed.
CONFIDENCE IN EVERY DRIVE - Backed by a 1-year warranty and 4.4-star rating from nearly 800 users—drive worry-free.
PRECISION FIT FOR ICONIC RIDES - Seamlessly compatible with 40+ Ford, Lincoln, Mazda & Mercury models, including F150 & Mustang classics.
BUILT TO ENDURE EXTREME CONDITIONS - Crafted from stainless steel and rated for up to 800°C, engineered to last through intense engine heat.

The RANSOTO Set of 4 O2 Oxygen Sensors offers a durable, stainless steel construction with heat resistance up to 800°C, compatible with a wide range of Ford, Lincoln, Mazda, and Mercury vehicles. Designed for easy flange mount installation and push-pull output, this set ensures precise oxygen sensing upstream and downstream, enhancing engine efficiency and emissions control. Trusted by hundreds of users and backed by a 1-year warranty, it’s the smart upgrade for professional-grade vehicle maintenance.

Specifications

ASIN	B08PQTBCPY
ASIN	B08PQTBCPY
Brand Name	RANSOTO
Customer Reviews	4.4 4.4 out of 5 stars (833)
Customer reviews	4.4 4.4 out of 5 stars (833)
Date First Available	1 February 2021
Item Dimensions	20 x 9 x 6 centimeters
Item Weight	0.49 Kilograms
Item model number	WWJ286
Manufacturer	RANSOTO
Manufacturer	RANSOTO
Material Type	Stainless Steel
Maximum Supply Voltage	5 Volts (DC)
Model	WWJ286
Mounting Type	Flange Mount
Output Type	Push-Pull
Part Number	WWJ286
Product Dimensions	20 x 9 x 6 cm; 489 g
Specific Uses For Product	Oxygen Sensor
Style Name	Modern
UPC	697478910582
Upper Temperature Rating	800 Degrees Celsius

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