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Dorman 645-203 Power Steering Pressure Switch ConnectorOE Quality 60-Day Returns
Dorman 645-203 Power Steering Pressure Switch Connector - view 1
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Part #: 645-203

Dorman 645-203 Power Steering Pressure Switch Connector

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⚙️ 118 vehicles fit this part
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🚗Fitment: Acura and Honda, MDX, Accord, Pilot, Ridgeline, ZDX, TL, Odyssey, CL, and Civic
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Overview of Dorman Power Steering Pressure Switch Connector 645-203

The Dorman 645-203 Power Steering Pressure Switch Connector is designed for reliable electrical connections in power steering systems. Compatible with select Acura and Honda models, this connector ensures consistent performance and durability in critical steering applications.

  • Wiring harness length: 1.18 inches for precise fitment
  • Wire gauge measurement: 16 gauge for optimal current flow
  • Terminal type: Spade terminals for secure connections
  • Wire quantity: 2 wires included for complete circuit integration
  • Terminal gender: Female terminals for compatibility with male spade connectors
  • Terminal material: Durable plastic construction for insulation and protection
  • Package includes 2 wire pigtails for dual connection needs

Detailed Product Description

The Dorman 645-203 Power Steering Pressure Switch Connector features a 1.18-inch wiring harness length, providing a compact and precise fit for power steering pressure switch applications. The 16-gauge wire ensures adequate electrical conductivity while maintaining flexibility. Equipped with female spade terminals made from plastic, this connector offers reliable insulation and resistance to environmental factors. The included two-wire pigtail design supports dual-wire configurations commonly found in Acura and Honda power steering systems.

This connector is engineered to meet the electrical connection requirements of power steering pressure switches in vehicles such as the Acura MDX, TL, ZDX, and Honda Accord, Civic, CL, Odyssey, Pilot, and Ridgeline. The Dorman 645-203 part number corresponds specifically to these models, ensuring compatibility and ease of installation.

Common Applications and Issues Addressed

  • Restores proper electrical connection to the power steering pressure switch
  • Eliminates intermittent steering assist problems caused by faulty connectors
  • Prevents power steering warning lights triggered by poor wiring connections
  • Resolves issues related to pressure switch signal loss or erratic readings
  • Replaces damaged or corroded connectors in Acura and Honda power steering systems

Installation Notes and Tips

  • Verify vehicle compatibility with Acura and Honda models listed before installation
  • Ensure the spade terminals are fully seated and secure to prevent electrical faults
  • Use dielectric grease on terminals to reduce corrosion and improve conductivity
  • Check wiring harness length of 1.18 inches fits the routing path without strain
  • Disconnect the battery before installation to avoid electrical shorts

Quality Assurance and Warranty

Dorman manufactures the 645-203 Power Steering Pressure Switch Connector to meet or exceed OEM specifications for electrical connectors. The plastic terminal material provides insulation and durability under typical operating conditions. While specific warranty details may vary, Dorman products generally include a limited warranty against defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.

BrandDorman
Part Number645-203
Package Contents2 Wire Pigtail
Terminal GenderFemale
Terminal MaterialPlastic
Terminal TypeSpade
Wire Gauge Measurement16
Wire Quantity2
Wiring Harness Length1.18

This part fits 118 vehicles. Search below:

YearMakeModelSubmodel# DoorsLitersCylindersPositionNotes
2011AcuraMDX3.7LV6N/A
2011HondaAccord3.5LV6N/A
2011HondaPilot3.5LV6N/A
2011HondaRidgeline3.5LV6N/A
2010AcuraMDX3.7LV6N/A
2010AcuraZDX3.7LV6N/A
2010HondaAccord3.5LV6N/A
2010HondaPilot3.5LV6N/A
2010HondaRidgeline3.5LV6N/A
2009AcuraMDX3.7LV6N/A
2009HondaAccord3.5LV6N/A
2009HondaPilot3.5LV6N/A
2009HondaRidgeline3.5LV6N/A
2008AcuraMDX3.7LV6N/A
2008AcuraTL3.5LV6N/A
2008AcuraTL3.2LV6N/A
2008HondaAccord3.5LV6N/A
2008HondaPilot3.5LV6N/A
2008HondaRidgeline3.5LV6N/A
2007AcuraMDX3.7LV6N/A
2007AcuraTL3.5LV6N/A
2007AcuraTL3.2LV6N/A
2007HondaAccordLX3.0LV6N/A
2007HondaAccordEX3.0LV6N/A
2007HondaAccordSpecial Edition3.0LV6N/A
2007HondaPilot3.5LV6N/A
2007HondaRidgeline3.5LV6N/A
2006AcuraMDX3.5LV6N/A
2006AcuraTL3.2LV6N/A
2006HondaAccordLX3.0LV6N/A
2006HondaAccordEX3.0LV6N/A
2006HondaPilot3.5LV6N/A
2006HondaRidgeline3.5LV6N/A
2005AcuraMDX3.5LV6N/A
2005AcuraTL3.2LV6N/A
2005HondaAccordLX3.0LV6N/A
2005HondaAccordEX3.0LV6N/A
2005HondaAccordSE3.0LV6N/A
2005HondaPilot3.5LV6N/A
2004AcuraMDX3.5LV6N/A
2004AcuraTL3.2LV6N/A
2004HondaAccord3.0LV6N/A
2004HondaOdyssey3.5LV6N/A
2004HondaPilot3.5LV6N/A
2003AcuraCL3.2LV6N/A
2003AcuraMDX3.5LV6N/A
2003AcuraTL3.2LV6N/A
2003HondaAccord4 Door3.0LV6N/A
2003HondaAccord2 Door3.0LV6N/ABuilt in U.S.A.
2003HondaOdyssey3.5LV6N/A
2003HondaPilot3.5LV6N/A
2002AcuraCL3.2LV6N/A
2002AcuraMDX3.5LV6N/A
2002AcuraTL3.2LV6N/A
2002HondaAccord2.3LL4N/A
2002HondaAccord3.0LV6N/A
2002HondaOdyssey3.5LV6N/A
2001AcuraCL3.2LV6N/A
2001AcuraMDX3.5LV6N/A
2001AcuraTL3.2LV6N/A
2001HondaAccord2.3LL4N/A
2001HondaAccord3.0LV6N/A
2001HondaOdyssey3.5LV6N/A
2000AcuraTL3.2LV6N/A
2000HondaAccord2.3LL4N/A
2000HondaAccord3.0LV6N/A
2000HondaCivicLX1.6LL4N/ABuilt in U.S.A.; Built in Canada
2000HondaCivicEX-R1.6LL4N/ABuilt in U.S.A.; Built in Canada
2000HondaCivicEX1.6LL4N/ABuilt in U.S.A.; Built in Canada
2000HondaCivicCX1.6LL4N/ABuilt in U.S.A.; Built in Canada
2000HondaCivicGX1.6LL4N/ABuilt in U.S.A.; Built in Canada
2000HondaCivicDX1.6LL4N/ABuilt in U.S.A.; Built in Canada
2000HondaCivicSi1.6LL4N/ABuilt in U.S.A.; Built in Canada
2000HondaOdyssey3.5LV6N/A
1999AcuraCL2.3LL4N/A
1999AcuraCL3.0LV6N/A
1999AcuraTL3.2LV6N/A
1999HondaAccord2.3LL4N/A
1999HondaAccord3.0LV6N/A
1999HondaCivicLX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaCivicEX-R1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaCivicEX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaCivicCX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaCivicGX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaCivicDX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaCivicValue Package1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaCivicSi1.6LL4N/ABuilt in U.S.A.; Built in Canada
1999HondaOdyssey3.5LV6N/A
1998AcuraCL2.3LL4N/A
1998AcuraCL3.0LV6N/A
1998HondaAccord2.3LL4N/A
1998HondaAccord3.0LV6N/A
1998HondaCivicLX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1998HondaCivicEX-R1.6LL4N/ABuilt in U.S.A.; Built in Canada
1998HondaCivicEX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1998HondaCivicCX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1998HondaCivicGX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1998HondaCivicDX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1998HondaCivicSi1.6LL4N/ABuilt in U.S.A.; Built in Canada
1997AcuraCL2.2LL4N/A
1997AcuraCL3.0LV6N/A
1997HondaAccord2.2LL4N/A
1997HondaAccord2.7LV6N/A
1997HondaCivicLX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1997HondaCivicEX-R1.6LL4N/ABuilt in U.S.A.; Built in Canada
1997HondaCivicEX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1997HondaCivicCX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1997HondaCivicDX1.6LL4N/ABuilt in U.S.A.; Built in Canada
1997HondaCivicSi1.6LL4N/ABuilt in U.S.A.; Built in Canada
1996HondaAccord2.2LL4N/A
1996HondaAccord2.7LV6N/A
1996HondaCivicLX1.6LL4N/A
1996HondaCivicEX1.6LL4N/A
1996HondaCivicCX1.6LL4N/A
1996HondaCivicDX1.6LL4N/A
1996HondaCivicSi1.6LL4N/A
1995HondaAccord2.2LL4N/A
1995HondaAccord2.7LV6N/A

* 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:

1S176956490P0H013PSS30

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