HomeElectrical, Lighting and Body > Electrical SocketsDorman 645-100 Tail Light Socket
Part #: 645-100

Dorman 645-100 Tail Light Socket

Front, Left, Right, and Lower
⚙️ 131 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$25.89Free 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
🚗Fitment: Acura and Honda, Accord, Accord Crosstour, Civic, Civic del Sol, CL, CR-V, Crosstour, Element, Odyssey, Pilot, RDX, RL, RLX, TL, and TSX
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Tail Light Socket for Acura and Honda Vehicles

The Dorman 645-100 tail light socket is designed to provide a secure and weather-resistant connection for your vehicle's tail light bulbs. Compatible with a range of Acura and Honda models, this socket ensures consistent electrical performance and durability.

  • Snap-on bulb base type for easy bulb installation
  • Gray oval-shaped female connector for precise fit
  • Three zinc-coated copper male terminals for reliable conductivity
  • Weather-resistant design to withstand environmental exposure
  • Overall length of 40.1 mm for proper fitment
  • Does not include wire harness or retainer

Product Details and Specifications

The Dorman 645-100 tail light socket features a snap-on bulb base type, allowing for straightforward bulb replacement without the need for additional tools. Its gray connector is oval-shaped and female in gender, designed to mate securely with the corresponding male terminals. The socket contains three terminals made from zinc-coated copper, which provides corrosion resistance and stable electrical conductivity. Measuring 40.1 mm in overall length, this socket fits precisely in the tail light assemblies of various Acura and Honda models, including the Accord, Civic, CR-V, Odyssey, Pilot, and more. The weather-resistant construction helps protect the socket from moisture and environmental damage, ensuring long-term reliability.

Compatible Vehicles and Applications

  • Acura Accord, RL, RLX, TL, RDX, TSX, CL
  • Honda Accord, Accord Crosstour, Civic, Civic del Sol, CR-V, Crosstour, Element, Odyssey, Pilot
  • Designed for use in tail light electrical systems requiring a snap-on bulb base socket
  • Ideal replacement for worn or damaged tail light sockets in listed Acura and Honda models

Installation Notes and Tips

  • Ensure the vehicle’s electrical system is powered off before installation
  • Verify the socket’s connector shape and terminal configuration match the vehicle’s wiring harness
  • Carefully snap the bulb into the socket to avoid damage
  • Check for secure connection and proper seating to prevent electrical issues
  • Weather resistance helps maintain connection integrity in outdoor conditions

Quality Assurance and Warranty

Dorman manufactures the 645-100 tail light socket with zinc-coated copper terminals to resist corrosion and maintain electrical performance. The weather-resistant design further protects the socket from environmental factors. While specific warranty details are not provided, Dorman products typically meet industry standards for durability and fitment in automotive electrical components.

BrandDorman
Part Number645-100
Bulb Base TypeSnap on
Connector ColorGray
Retainer IncludedNo
Wire Quantity0
Connector ShapeOval
Terminal Quantity3
Connector GenderFemale
Terminal GenderFemale
Overall Length40.1 mm
Package Contents1 socket
Terminal MaterialZinc coated copper
Terminal TypeMale
Weather ResistantYes
Wire Harness IncludedNo

This part fits 131 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2017AcuraRLXFront
2016AcuraRLXFront
2015AcuraRLXN/A
2015HondaCrosstourN/A
2014AcuraRLXN/A
2014AcuraTSXFront
2014HondaCR-VN/A
2014HondaCrosstourN/A
2013AcuraTSXSedanLower
2013HondaCR-VN/A
2013HondaCrosstourN/A
2012AcuraRDXN/A
2012AcuraRLN/A
2012AcuraTSXSedanLower
2012HondaAccordCoupeLeft
2012HondaAccordCoupeRight
2012HondaCR-VN/A
2012HondaCrosstourN/A
2011AcuraRDXN/A
2011AcuraRLN/A
2011AcuraTLN/A
2011AcuraTSXSedanLower
2011HondaAccordCoupeLeft
2011HondaAccordCoupeRight
2011HondaAccord CrosstourN/A
2011HondaCivicN/A
2011HondaElementN/A
2010AcuraRDXN/A
2010AcuraRLN/A
2010AcuraTLN/A
2010AcuraTSXSedanLower
2010HondaAccordCoupeLeft
2010HondaAccordCoupeRight
2010HondaAccord CrosstourN/A
2010HondaCivicN/A
2010HondaElementN/A
2009AcuraRDXN/A
2009AcuraRLN/A
2009AcuraTLN/A
2009AcuraTSXSedanLower
2009HondaAccordCoupeLeft
2009HondaAccordCoupeRight
2009HondaCivicN/A
2009HondaElementN/A
2008AcuraRDXN/A
2008AcuraRLN/A
2008AcuraTLN/A
2008HondaAccordCoupeLeft
2008HondaAccordCoupeRight
2008HondaCivicN/A
2007AcuraRDXN/A
2007AcuraRLN/A
2007AcuraTLN/A
2007HondaAccordCoupeLeft
2007HondaAccordCoupeRight
2007HondaCivicN/A
2006AcuraRLN/A
2006AcuraTLN/A
2006HondaAccordCoupeLeft
2006HondaAccordCoupeRight
2006HondaCivicN/A
2005AcuraRLN/A
2005AcuraTLN/A
2005HondaAccordCoupeLeft
2005HondaAccordCoupeRight
2005HondaCivicN/A
2005HondaPilotN/A
2004AcuraRLN/A
2004AcuraTLN/A
2004HondaAccordCoupeLeft
2004HondaAccordCoupeRight
2004HondaCivicN/A
2004HondaOdysseyFront
2004HondaPilotN/A
2003AcuraCLN/A
2003AcuraRLN/A
2003AcuraTLN/A
2003HondaAccordCoupeLeft
2003HondaAccordCoupeRight
2003HondaCivicN/A
2003HondaOdysseyFront
2003HondaPilotN/A
2002AcuraCLN/A
2002AcuraRLN/A
2002AcuraTLN/A
2002HondaAccordCoupeLeft
2002HondaAccordCoupeRight
2002HondaCivicN/A
2002HondaOdysseyFront
2001AcuraCLN/A
2001AcuraRLN/A
2001AcuraTLN/A
2001HondaAccordCoupeLeft
2001HondaAccordCoupeRight
2001HondaCivicN/A
2001HondaCR-VN/A
2001HondaOdysseyFront
2000AcuraRLN/A
2000AcuraTLN/A
2000HondaAccordCoupeLeft
2000HondaAccordCoupeRight
2000HondaCivicN/A
2000HondaCR-VN/A
2000HondaOdysseyFront
1999AcuraRLN/A
1999AcuraTLN/A
1999HondaAccordCoupeLeft
1999HondaAccordCoupeRight
1999HondaCivicN/A
1999HondaCR-VN/A
1999HondaOdysseyFront
1998HondaAccordCoupeLeft
1998HondaAccordCoupeRight
1998HondaCivicN/A
1998HondaCR-VN/A
1998HondaOdysseyFront
1997HondaCivicN/A
1997HondaCivic del SolN/A
1997HondaCR-VN/A
1997HondaOdysseyFront
1996HondaCivicN/A
1996HondaCivic del SolN/A
1996HondaOdysseyFront
1995HondaCivicN/A
1995HondaCivic del SolN/A
1995HondaOdysseyFront
1994HondaCivicN/A
1994HondaCivic del SolN/A
1993HondaCivicN/A
1993HondaCivic del SolN/A
1992HondaCivicN/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:

33302SR3A01

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