OE Quality
60-Day Returns

Four Seasons 85173 Engine Coolant Water Inlet
Overview of Four Seasons Water Inlet 85173
The Four Seasons Water Inlet 85173 is a durable engine coolant water inlet designed for select Ford, Lincoln, Mazda, and Mercury vehicles. Engineered from aluminum, this component ensures reliable coolant flow without including a thermostat, making it suitable for specific cooling system configurations.
- Constructed from corrosion-resistant aluminum material
- Includes gasket or seal for secure installation
- Maximum height of 3.430 inches for precise fitment
- Bolt hole center distances of 2.78 and 2.9375 inches
- Inlet diameter of 1.276 inches
- Mount flange width of 0.537 inches
- Compatible with Ford Contour, Mustang, Taurus; Lincoln LS, Mark VIII; Mazda MPV; Mercury Cougar, Marauder, Mystique, Sable
- Meets or exceeds OEM specifications
- Part number 85173
Four Seasons Water Inlet Product Line Details
The Four Seasons Water Inlet product line focuses on engine coolant components designed to maintain optimal engine temperature by facilitating coolant flow. This line includes water inlets without thermostats, such as part number 85173, which is engineered to meet or exceed OEM standards for reliable performance and fitment across multiple vehicle makes and models.
Detailed Product Description
This engine coolant water inlet is crafted from aluminum to resist corrosion and withstand the thermal demands of the cooling system. The included gasket or seal ensures a leak-free connection during installation. With precise bolt hole center measurements of 2.78 and 2.9375 inches and a mount flange width of 0.537 inches, the part fits securely in the cooling system assembly. The inlet diameter of 1.276 inches supports proper coolant flow. This water inlet is designed without a thermostat, making it compatible with cooling systems that utilize separate thermostat components.
Applications and Common Issues Addressed
- Replacement for damaged or corroded water inlet housings
- Resolves coolant leaks at the inlet connection
- Prevents overheating caused by faulty coolant flow
- Restores proper coolant circulation in Ford Mustang and Taurus models
- Compatible with Lincoln LS and Mark VIII cooling system repairs
Installation Notes and Tips
- Ensure the gasket or seal included is properly seated to prevent leaks
- Verify bolt hole alignment using the specified center-to-center measurements
- Do not reuse old gaskets or seals during installation
- Check for compatibility with your vehicle’s cooling system style (without thermostat)
- Tighten bolts to manufacturer torque specifications to avoid damage
Quality Assurance and Warranty
The Four Seasons Water Inlet 85173 meets or exceeds OEM quality standards, ensuring reliable fit and function. Manufactured with durable aluminum and supplied with a gasket or seal, this part supports long-term cooling system performance. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.
| Brand | Four Seasons |
| Part Number | 85173 |
| Position | Water Inlet |
| Bolt Hole Center To Bolt Hole Center | 2.78 |
| Bolt Hole Center To Bolt Hole Center | 2.9375 |
| Description | Engine Coolant Components |
| Gasket Or Seal Included | Included |
| Inlet Dia. IN | 1.276 |
| Material | Aluminum |
| Maximum Height | 3.430 |
| Meets / Exceeds OEM? | Yes |
| Mnt Flange Width IN | 0.537 |
| Style | w/o Thermostat |
| Thermostat Included? | Not Included |
| Type | Inlet |
This part fits 50 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Ford | Taurus | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2005 | Lincoln | LS | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2005 | Mercury | Sable | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2004 | Ford | Mustang | 4.6L | V8 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2004 | Ford | Taurus | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2004 | Lincoln | LS | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2004 | Mercury | Marauder | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 2004 | Mercury | Sable | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2003 | Ford | Mustang | 4.6L | V8 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2003 | Ford | Taurus | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2003 | Lincoln | LS | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2003 | Mercury | Marauder | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 2003 | Mercury | Sable | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2002 | Ford | Taurus | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2002 | Lincoln | LS | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2002 | Mercury | Cougar | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2002 | Mercury | Sable | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2001 | Ford | Mustang | 4.6L | V8 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2001 | Ford | Sable | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 2001 | Ford | Taurus | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2001 | Lincoln | LS | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2001 | Mazda | MPV | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 2001 | Mercury | Cougar | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2001 | Mercury | Sable | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2000 | Ford | Contour | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2000 | Ford | Sable | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 2000 | Ford | Taurus | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2000 | Lincoln | LS | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2000 | Mazda | MPV | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 2000 | Mercury | Cougar | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2000 | Mercury | Mystique | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 2000 | Mercury | Sable | 3.0L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1999 | Ford | Contour | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1999 | Ford | Mustang | 4.6L | V8 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1999 | Mercury | Cougar | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1999 | Mercury | Mystique | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1998 | Ford | Contour | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1998 | Ford | Mustang | 4.6L | V8 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1998 | Lincoln | Mark VIII | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 1998 | Mercury | Mystique | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1997 | Ford | Contour | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1997 | Ford | Mustang | 4.6L | V8 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1997 | Lincoln | Mark VIII | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 1997 | Mercury | Mystique | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1996 | Ford | Contour | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1996 | Ford | Mustang | 4.6L | V8 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1996 | Lincoln | Mark VIII | N/A | Water Inlet for Engine Coolant; Water Inlet | ||
| 1996 | Mercury | Mystique | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1995 | Ford | Contour | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
| 1995 | Mercury | Mystique | 2.5L | V6 | N/A | Water Inlet for Engine Coolant; Water Inlet |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.