Mustang Thermostats – OEM-Quality Cooling Control for 2017 Ford Models

Keep Your Engine Cool with a 2017 Mustang Thermostat Replacement

The thermostat in your 2017 Ford Mustang is responsible for regulating coolant flow and maintaining proper engine temperature. A malfunctioning thermostat can lead to engine overheating, poor fuel economy, or reduced performance.

OEM-quality thermostats are engineered for precise temperature control and seamless fitment, helping your Mustang perform reliably under all conditions—whether cruising daily or pushing performance limits.

BR3Z8255B - : Engine Coolant Outlet Gasket for Ford Image

Engine Coolant Outlet Gasket

O-Ring. Outlet Flange. 5.0L, main, single alternator. 5.0L, main, dual alternator. Without supercharger. Automatic transmission. With...
$2.96
MSRP $4.60
Save $1.64
35.7% Off
W503279S437 - : Engine Cylinder Head Bolt for Ford Image

Engine Cylinder Head Bolt

All Required. 6 x 30mm. Thermostat hsng,screw. Lower Intake Manifold to Head. 6 x 30mm. 3.7L. 6.7L 2020-22. Adapter,bolt. 4.6L, 2007-09....
$2.34
MSRP $4.00
Save $1.66
41.5% Off
RG639 - : Motorcraft Engine Coolant Outlet Gasket for Ford Image

Motorcraft Engine Coolant Outlet Gasket

Ford RG-639
2.3L. Water outlet gasket. Mustang.
$2.88
MSRP $4.47
Save $1.59
35.6% Off
RG631 - : Motorcraft Engine Coolant Outlet Gasket for Ford Image

Motorcraft Engine Coolant Outlet Gasket

Ford RG-631
O-Ring. Outlet Flange. 5.0L, main, single alternator. 5.0L, main, dual alternator. Without supercharger. Automatic transmission. 5.2L....
$2.96
MSRP $4.60
Save $1.64
35.7% Off
W503278S437 - : Genuine Ford Bolt for Ford Image

Genuine Ford Bolt

Sold Individually M6 x 27mm
$2.34
MSRP $4.00
Save $1.66
41.5% Off
W503283S437 - : Engine Oil Filter Adapter Bolt for Ford Image

Engine Oil Filter Adapter Bolt

M6x1.00. 5.0L main single alternator. M6x27mm. 5.0L, m6x1.00mm. From 1/16/09. Adapter,mount bolt. 3.7L. To 1/15/09. 3.5L. With...
$2.34
MSRP $4.00
Save $1.66
41.5% Off
W500214S437 - : Vapor Canister Purge Valve Assembly Bolt for Ford Image

Vapor Canister Purge Valve Assembly Bolt

Door Interior Trim Panel Bolt - Ford (W500214-S437) The Door Interior Trim Panel Bolt – Ford (W500214-S437) is a Genuine OEM...
$2.34
MSRP $4.00
Save $1.66
41.5% Off
W520201S437 - : Lift-Gate Finish Panel Trim Plate Nut for Ford Image

Lift-Gate Finish Panel Trim Plate Nut

$2.34
MSRP $4.00
Save $1.66
41.5% Off
7T4Z8527A - : Engine Coolant Pipe O-Ring for Ford Image

Engine Coolant Pipe O-Ring

Engine Coolant Pipe O-Ring – Ford (7T4Z-8527-A) is a Genuine OEM sealing component manufactured by Ford , designed to provide a...
$3.14
MSRP $4.46
Save $1.32
29.6% Off
8C3Z7Z465A - : Cooler Pipe Retainer Clip for Ford Image

Cooler Pipe Retainer Clip

Inlet Tube Retainer Clip – Ford (8C3Z-7Z465-A) is a Genuine OEM fastening component manufactured by Ford and designed to securely...
$8.20
MSRP $11.68
Save $3.48
29.8% Off
VC3Z8575A - : Thermostat Assembly for Ford Image

Thermostat Assembly

$40.08
MSRP $62.82
Save $22.74
36.2% Off
BM5Z8575A - : Thermostat Assembly for Ford Image

Thermostat Assembly

$89.44
MSRP $140.18
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36.2% Off

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Why Choose OEM Thermostats?

OEM Fitment – Designed for factory specifications to ensure precise performance. 

Prevents Failures – Maintains optimal operation and longevity. 

Durable Construction – Made from high-quality, corrosion-resistant materials. 

Efficient Operation – Ensures proper function and system protection. 

Easy Installation – Direct bolt-on replacement with no modifications required.

Compatible with the 2017 Ford Mustang

These thermostats are designed for: 2.3L EcoBoost I4, 3.7L V6, and 5.0L V8 GT models 

📌 Always confirm engine size and thermostat temperature rating before ordering.

How to Replace a 2017 Mustang Thermostat

Replacing a worn or faulty thermostat protects your engine from heat-related damage and improves fuel efficiency.

Tools Required: 

✔ Socket wrench set 

✔ Drain pan 

✔ Gasket scraper 

✔ New gasket or O-ring 

✔ Coolant 

✔ Torque wrench

Installation Steps:

  1. Allow engine to cool, then drain enough coolant to access the housing.

  2. Remove the thermostat housing connected to the upper radiator hose.

  3. Take out the old thermostat and clean the sealing surface.

  4. Install the new thermostat with the correct orientation.

  5. Reassemble housing, refill coolant, and bleed the system.

🛠️ Tip: Replace the gasket or O-ring during installation to prevent leaks.

Signs You Need a New Thermostat

🔹 Engine overheating or running too cold 

🔹 Fluctuating temperature gauge 

🔹 Heater blows cold air when engine is warm 

🔹 Coolant leaks around thermostat housing 

🔹 Poor fuel economy or sluggish performance

A faulty thermostat can impact cooling efficiency and engine longevity—replace it at the first sign of failure.

2017 Mustang Thermostat Options

🔹 OEM Replacement Thermostats – Perfect for daily driving and factory performance. 

🔹 Low-Temp Performance Thermostats – Ideal for tuned or high-output engines. 

🔹 Thermostat Kits – Includes housing, sensor, and gasket for a full refresh.

Popular Related Parts for 2017 Ford Mustang

🔹 Mustang Water Pumps – Keep coolant flowing through the engine and radiator. 

🔹 Mustang Radiators – Improve heat dissipation and engine cooling. 

🔹 Mustang Coolant Temperature Sensors – Ensure accurate readings and fan activation.

Get Your 2017 Mustang Thermostat Today!

Protect your engine and maintain optimal performance with a direct-fit OEM-quality thermostat for your 2017 Mustang. Ensure smooth operation mile after mile. 

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FAQs About 2017 Ford Mustang Thermostats

❓ When should I replace my thermostat? Typically every 80,000–100,000 miles or sooner if you notice cooling issues.

❓ Can I replace the thermostat myself? Yes, it’s a straightforward DIY job with basic tools and coolant-handling knowledge.

❓ What temp should the thermostat open at? Most OEM thermostats open between 180°F and 195°F depending on engine type.

❓ Do I need to replace the housing too? Only if it's cracked, corroded, or includes an integrated sensor. Thermostat kits are available.

❓ Are low-temp thermostats better? They can help tuned or high-performance engines run cooler but may affect emissions or heater output in colder climates.