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Dorman 645-209 Engine Coolant Level Sensor Connector
| Brand | Dorman 645-209 |
|---|---|
| Package Contents | 1 Pigtail |
| Terminal Gender | Female |
| Terminal Material | Plastic |
| Terminal Type | Blade |
| Wire Gauge Measurement | 16 |
| Fits | Mercury, Ford, and Lincoln · 38 vehicles |
Weatherproof terminals. Help keep the electrical connection reliable and secure.
Locking tab. Provides a quick-disconnect connection that stays firmly in place.
Clean appearance. Creates a neat, finished look when installed.
Cross-references Standard Ignition S-2161, 3U2Z14S411ATA and PT2149 for the same application. See all 4.
Engine Coolant Sensor Connector for Ford and Mercury
Dorman 645-209 is an engine coolant level sensor connector built for clean electrical repairs and accessory installations. It uses a 2-wire layout with female blade terminals and a locking tab to support a secure quick-disconnect connection on the vehicle harness.
Key Features
- Engine coolant level sensor connector pigtail for electrical repair
- 2-wire design with 16-gauge wire
- Female blade terminals for direct sensor connection
- Weatherproof terminals help protect the connection point
- Locking tab supports a secure disconnect and reconnect
- Plastic terminal material for a clean installed appearance
Detailed Description
This Dorman connector is a practical replacement for damaged, brittle, or corroded coolant sensor wiring at the reservoir or sensor interface. Part number 645-209 is used on a range of Ford, Mercury, and Lincoln applications, including the Ford Taurus, Mercury Sable, Ford Escape, Lincoln Continental, Lincoln Mark VIII, and Mercury Montego. It cross-references Standard Ignition S-2161 for the same application. The pigtail format helps restore a dependable electrical connection while maintaining a tidy factory-style look.
What It Helps Fix
- Broken or loose engine coolant level sensor connector terminals
- Corrosion at the coolant sensor plug
- Intermittent coolant level warning signals caused by poor contact
- Heat- or age-damaged wiring at the sensor connector
- Failed quick-disconnect retention at the harness connection
Installation Notes and Tips
Verify the connector style, wire count, and terminal layout before installation. This part is listed for 2-wire engine coolant sensor connector applications on select Ford, Mercury, and Lincoln vehicles. Match the existing harness routing and confirm a secure lock after connection. For fitment, this connector is listed for 2005 Ford E-150, 2005 Ford E-150 Club Wagon, 2005 Ford E-250, 2005 Ford E-350 Club Wagon, 2005 Ford E-350 Super Duty, 2005 Ford Econoline, 1996-2004 Ford Taurus, 1996-2004 Mercury Sable, 2001-2002 Ford Escape, 2000-2002 Lincoln Continental, 1993-1998 Lincoln Mark VIII, and 2005-2007 Mercury Montego.
Quality Assurance
Dorman designs replacement electrical connectors for serviceable, factory-style repairs. This part number 645-209 is built with weatherproof terminals and a locking tab to support a reliable connection in coolant sensor applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Mercury | Montego | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2006 | Mercury | Montego | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2005 | Ford | E-150 | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2005 | Ford | E-150 Club Wagon | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2005 | Ford | E-250 | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2005 | Ford | E-350 Club Wagon | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2005 | Ford | E-350 Super Duty | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2005 | Ford | Econoline | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2005 | Mercury | Montego | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2004 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2004 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2003 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2003 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2002 | Ford | Escape | 2.0L | L4 | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2002 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2002 | Lincoln | Continental | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2002 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2001 | Ford | Escape | 2.0L | L4 | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2001 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2001 | Lincoln | Continental | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2001 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2000 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2000 | Lincoln | Continental | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 2000 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1999 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1999 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1998 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1998 | Lincoln | Mark VIII | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1998 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1997 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1997 | Lincoln | Mark VIII | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1997 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1996 | Ford | Taurus | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1996 | Lincoln | Mark VIII | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1996 | Mercury | Sable | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1995 | Lincoln | Mark VIII | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1994 | Lincoln | Mark VIII | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
| 1993 | Lincoln | Mark VIII | — | — | N/A | Engine Coolant Sensor Connector, 2 Wire, Brown |
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