HomeBelts and Cooling > Thermostat and HousingFour Seasons 85173 Engine Coolant Water Inlet
Part #: 85173

Four Seasons 85173 Engine Coolant Water Inlet

Water Inlet
⚙️ 50 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$27.70Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Water Inlet
🚗Fitment: Ford, Lincoln, Mercury, and Mazda, Taurus, LS, Sable, Mustang, Marauder, Cougar, MPV, Contour, Mystique, and Mark VIII
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandFour Seasons
Part Number85173
PositionWater Inlet
Bolt Hole Center To Bolt Hole Center2.78
Bolt Hole Center To Bolt Hole Center2.9375
DescriptionEngine Coolant Components
Gasket Or Seal IncludedIncluded
Inlet Dia. IN1.276
MaterialAluminum
Maximum Height3.430
Meets / Exceeds OEM?Yes
Mnt Flange Width IN0.537
Stylew/o Thermostat
Thermostat Included?Not Included
TypeInlet

This part fits 50 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005FordTaurus3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2005LincolnLS3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2005MercurySable3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2004FordMustang4.6LV8N/AWater Inlet for Engine Coolant; Water Inlet
2004FordTaurus3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2004LincolnLS3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2004MercuryMarauderN/AWater Inlet for Engine Coolant; Water Inlet
2004MercurySable3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2003FordMustang4.6LV8N/AWater Inlet for Engine Coolant; Water Inlet
2003FordTaurus3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2003LincolnLS3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2003MercuryMarauderN/AWater Inlet for Engine Coolant; Water Inlet
2003MercurySable3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2002FordTaurus3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2002LincolnLS3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2002MercuryCougar2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
2002MercurySable3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2001FordMustang4.6LV8N/AWater Inlet for Engine Coolant; Water Inlet
2001FordSableN/AWater Inlet for Engine Coolant; Water Inlet
2001FordTaurus3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2001LincolnLS3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2001MazdaMPVN/AWater Inlet for Engine Coolant; Water Inlet
2001MercuryCougar2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
2001MercurySable3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2000FordContour2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
2000FordSableN/AWater Inlet for Engine Coolant; Water Inlet
2000FordTaurus3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2000LincolnLS3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
2000MazdaMPVN/AWater Inlet for Engine Coolant; Water Inlet
2000MercuryCougar2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
2000MercuryMystique2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
2000MercurySable3.0LV6N/AWater Inlet for Engine Coolant; Water Inlet
1999FordContour2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1999FordMustang4.6LV8N/AWater Inlet for Engine Coolant; Water Inlet
1999MercuryCougar2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1999MercuryMystique2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1998FordContour2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1998FordMustang4.6LV8N/AWater Inlet for Engine Coolant; Water Inlet
1998LincolnMark VIIIN/AWater Inlet for Engine Coolant; Water Inlet
1998MercuryMystique2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1997FordContour2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1997FordMustang4.6LV8N/AWater Inlet for Engine Coolant; Water Inlet
1997LincolnMark VIIIN/AWater Inlet for Engine Coolant; Water Inlet
1997MercuryMystique2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1996FordContour2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1996FordMustang4.6LV8N/AWater Inlet for Engine Coolant; Water Inlet
1996LincolnMark VIIIN/AWater Inlet for Engine Coolant; Water Inlet
1996MercuryMystique2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1995FordContour2.5LV6N/AWater Inlet for Engine Coolant; Water Inlet
1995MercuryMystique2.5LV6N/AWater 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:

11185173151068619144828191939452002802775275173KT6021676051747815173851739021014AO4377CH5173CWK815173F3LY8592AF3LY8592AAF6ZZ8592AAF6ZZ8592BAF6ZZ8592BBGY0115176RH70W4377W77527

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.