Where is this sensor located on a Mercury mariner?

I'm not sure but I found where the one on my truck was on YouTube. The Ford 150 is located in front of the radiator. Think yours is too. Look for one showing how to change the temperature sensor on a ....

Can someone please help me, where is this sensor located on 2009 lincoln MKS? I've not no money to pay the dealer $120 for dignosting fee.

I own a 2009 Lincoln MKS. It is underneath the radiator in the middle accessible from underneath the vehicle.

How difficult is this to replace on a 2005 Expedtion? Do I need to remove the grill to replace it?

It was very simple in my F 150. I did not have to remove the grill.

Will this work on my 2004 Excursion ?

Amazon "confirmfit" says it fits a 2004 Excursion.

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Dorman 902-021 Ambient Air Temperature Sensor Compatible with Select Ford / Lincoln / Mercury Models

Dorman 902-021 Ambient Air Temperature Sensor Compatible with Select Ford / Lincoln / Mercury Models

Product ID: 14308688

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Details

Brand
Dorman
Item dimensions L x W x H
2.3 x 2.3 x
Item Weight
0.05 Pounds
Style
Modern
Measurement Accuracy
+- 3% to +- 5%

⚙️Direct OEM fit & flange mount

🌡️±3-5% measurement accuracy

🛠️Durable machined exterior

Description

🌡️ Stay cool, stay ahead — precision sensing that drives confidence.

BUILT TO LAST - Crafted with durable machined components ensuring long-lasting reliability
TRUSTED EXPERTISE - Backed by over a century of automotive innovation and US-based quality assurance
EASY FIT GUARANTEE - Use the garage tool to confirm exact fitment for your vehicle’s make, model, and trim
SEAMLESS OEM COMPATIBILITY - Direct replacement designed to perfectly fit select Ford, Lincoln, and Mercury models
PRECISION TEMPERATURE SENSING - Accurate ambient readings within ±3-5% for optimal engine performance

The Dorman 902-021 Ambient Air Temperature Sensor is a precision-engineered, direct OEM replacement designed for select Ford, Lincoln, and Mercury vehicles. Featuring ±3-5% measurement accuracy and a durable machined exterior, it ensures reliable ambient temperature readings critical for engine management. Backed by over 100 years of automotive expertise and US-based quality control, this sensor guarantees seamless fit and long-lasting performance.

Specifications

Brand	Dorman
Item dimensions L x W x H	2.3 x 2.3 x 2.3 inches
Item Weight	0.05 Pounds
Style	Modern
Measurement Accuracy	+- 3% to +- 5%
Mounting Type	Flange Mount
Output Type	Analog
Specific Uses For Product	Temperature
Upper Temperature Rating	1.2E+2 Degrees Fahrenheit
UPC	019495422600
Global Trade Identification Number	00019495422600
Manufacturer	Dorman Products
Model	Engine Management
Item Weight	0.8 ounces
Product Dimensions	2.3 x 2.3 x 2.3 inches
Item model number	902-021
Exterior	Machined
Manufacturer Part Number	902-021
OEM Part Number	5S1141; 72-4619; AN0011; DY1137; SU2181; TS10541; TX12; WT381; AE5Z12A647A

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