Motorad
Standard

Motorad 338-195 Engine Coolant Thermostat

Brand Motorad 338-195
Bypass Diameter 1.18 in
Bypass Length 1.58 in
Flange Thickness 0.05 in
Gasket Or Seal Included No
Height 2.24
Height Between Flanges 1.57
Installation Tool Included No
Jiggle Pin Weep Hole Yes
Sealing Flange Outside Diameter 2.13
Start to Open Temperature 187
Temperature 187 Deg. F
Temperature (Degree) 187
Type Standard
Product line Standard
Fits Lincoln · 6 vehicles

OE supplier quality. Built with OEM materials and manufacturing processes.

Copper case. Wax compound responds quickly to coolant temperature changes.

Air relief valve. Helps purge trapped air for steadier cooling performance.

Cross-references Carlson 14089, MOOG Driveline Products 234 and Motorad 338-195 for the same application. See all 10.

$22.45Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $22.45
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Thermostat for Lincoln Mark VIII

Motorad Standard 338-195 is an engine coolant thermostat built to OE specifications for the 1993-1998 Lincoln Mark VIII. It uses OEM-quality materials, a copper case, and a wax compound for quick reaction to coolant temperature changes.

The Motorad Standard line focuses on direct-fit cooling system service parts made to OE supplier standards. For Lincoln Mark VIII thermostat replacement, 338-195 provides the standard 187°F opening temperature and the OE-style details needed for consistent coolant flow control.

Key Features

  • Standard engine coolant thermostat for cooling system service
  • Starts to open at 187°F
  • Copper case with wax compound for responsive temperature control
  • Offset design with air relief valve
  • Jiggle pin weep hole included
  • OEM-style seals included where applicable
  • Built to OEM specifications and processes
  • Part number 338-195

Detailed Description

Motorad 338-195 is an OE-style thermostat for the Lincoln Mark VIII that helps regulate coolant temperature by opening at 187°F. The copper case and wax element are engineered for fast response as coolant temperature rises and falls, supporting stable engine operating temperature in demanding cooling systems. This thermostat is a direct replacement choice for 1993-1998 Lincoln Mark VIII thermostat service and other applications that cross-reference to this part number.

This part cross-references Carlson 14089 for the same application. It also cross-references OSC 4089 for the same application.

What It Helps Address

  • Engine running too cool or too hot due to thermostat wear
  • Delayed coolant circulation from a sticking thermostat
  • Temperature fluctuation during normal driving
  • Cooling system service on a Lincoln Mark VIII
  • OE-spec thermostat replacement needs for 187°F applications

Installation Notes and Tips

Verify the thermostat housing and sealing surfaces are clean before installation. This thermostat does not include a gasket or seal, and no installation tool is included. Confirm the 187°F temperature rating and OE-style dimensions match the vehicle application before assembly. The jiggle pin weep hole and air relief design help with coolant bleeding during installation.

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and safety standards as an OE supplier. It is produced to OEM specifications and processes for dependable fit and temperature control in the 1993-1998 Lincoln Mark VIII cooling system.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1998LincolnMark VIII4.6LV8N/AMeets OE specifications at 195°F temperature.; Standard
1997LincolnMark VIII4.6LV8N/AMeets OE specifications at 195°F temperature.; Standard
1996LincolnMark VIII4.6LV8N/AMeets OE specifications at 195°F temperature.; Standard
1995LincolnMark VIII4.6LV8N/AMeets OE specifications at 195°F temperature.; Standard
1994LincolnMark VIII4.6LV8N/AMeets OE specifications at 195°F temperature.; Standard
1993LincolnMark VIII4.6LV8N/AMeets OE specifications at 195°F temperature.; Standard
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — 14089MOOG Driveline Products — 234Motorad — 338-195OSC — 408912T46E1601-290226338959338195F3LY8575AP4089