HomeElectrical, Lighting and Body > RelaysStandard Ignition RY-640 Door Lock Relay
Part #: RY-640

Standard Ignition RY-640 Door Lock Relay

⚙️ 97 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan and INFINITI, 370Z, Armada, LEAF, Altima, Maxima, FX35, FX45, G35, 350Z, and Murano
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Reliable Door Lock Relay for Infiniti and Nissan Vehicles

The Standard Ignition RY-640 door lock relay is designed to provide consistent electrical performance for various Infiniti and Nissan models. This relay ensures proper operation of your vehicle's door locking system, maintaining security and convenience.

  • Compatible with multiple Infiniti and Nissan models including 350Z, 370Z, Altima, Armada, FX35, FX45, G35, Juke, LEAF, M45, Maxima, Murano, NV1500, NV2500, NV3500, Rogue Sport, and Sentra
  • Part number RY-640 for precise identification and fitment
  • Designed to meet or exceed OEM specifications for reliable door lock control
  • Electrical relay engineered for durability and consistent performance

Product Details and Compatibility

The Standard Ignition RY-640 door lock relay is an essential component in the electrical system of select Infiniti and Nissan vehicles. It controls the power supply to the door lock actuators, enabling smooth locking and unlocking functions. This relay is engineered to integrate seamlessly with the vehicle’s existing wiring harness and door lock system, ensuring proper fit and function. Compatible with a wide range of models such as the Nissan Altima, Maxima, Murano, and the Infiniti G35 and FX45, the RY-640 supports reliable door lock operation across multiple vehicle platforms.

Common Applications and Issues Resolved

  • Restores door lock functionality when locks fail to engage or disengage
  • Eliminates intermittent door lock operation caused by faulty relays
  • Prevents electrical shorts or relay-related fuse blowouts in door lock circuits
  • Supports security system operation by ensuring door locks respond correctly
  • Addresses issues with power door locks not responding to remote key fob commands

Installation Notes and Tips

  • Ensure vehicle battery is disconnected before installation to prevent electrical shorts
  • Locate the existing door lock relay in the fuse box or relay panel as specified in the vehicle’s service manual
  • Compare the old relay with the Standard Ignition RY-640 to confirm part number and pin configuration
  • Securely seat the relay in the socket to maintain proper electrical contact
  • Test door lock operation after installation to verify correct function

Quality Assurance and Warranty

Standard Ignition manufactures the RY-640 door lock relay to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship. This provides added confidence in the longevity and dependability of the relay when installed in compatible Infiniti and Nissan vehicles.

BrandStandard Ignition
Part NumberRY-640
Amperage Rating30 A
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 97 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018Nissan370Z3.7LV6N/A
2018NissanArmada5.6LV8N/A
2017Nissan370Z3.7LV6N/A
2017NissanJuke1.6LL4N/A
2017NissanLEAFN/A
2017NissanNV15004.0LV6N/A
2017NissanNV25004.0LV6N/A
2017NissanNV35004.0LV6N/A
2017NissanRogue Sport2.0LL4N/A
2017NissanSentra1.6LL4N/A
2016Nissan370Z3.7LV6N/A
2016NissanJuke1.6LL4N/A
2016NissanLEAFN/A
2016NissanNV15004.0LV6N/A
2016NissanNV25004.0LV6N/A
2016NissanNV35004.0LV6N/A
2016NissanSentra1.8LL4N/A
2015Nissan370Z3.7LV6N/A
2015NissanJuke1.6LL4N/A
2015NissanLEAFN/A
2015NissanNV15004.0LV6N/A
2015NissanNV25004.0LV6N/A
2015NissanNV35004.0LV6N/A
2014Nissan370Z3.7LV6N/A
2014NissanJuke1.6LL4N/A
2014NissanLEAFN/A
2014NissanMaxima3.5LV6N/A
2014NissanNV15004.0LV6N/A
2014NissanNV25004.0LV6N/A
2014NissanNV35004.0LV6N/A
2013Nissan370Z3.7LV6N/A
2013NissanJuke1.6LL4N/A
2013NissanLEAFN/A
2013NissanMaxima3.5LV6N/A
2013NissanMurano3.5LV6N/A
2013NissanNV15004.0LV6N/A
2013NissanNV25004.0LV6N/A
2013NissanNV35004.0LV6N/A
2012Nissan370Z3.7LV6N/A
2012NissanJuke1.6LL4N/A
2012NissanLEAFN/A
2012NissanMaxima3.5LV6N/A
2012NissanMurano3.5LV6N/A
2012NissanNV15004.0LV6N/A
2012NissanNV25004.0LV6N/A
2012NissanNV35004.0LV6N/A
2011Nissan370Z3.7LV6N/A
2011NissanAltimaN/A
2011NissanJuke1.6LL4N/A
2011NissanMaximaN/A
2010INFINITIFX35N/A
2010INFINITIM454.5LV8N/A
2010Nissan370Z3.7LV6N/A
2010NissanAltimaN/A
2010NissanMaximaN/A
2009INFINITIFX35N/A
2009Nissan370Z3.7LV6N/A
2009NissanAltimaN/A
2009NissanMaximaN/A
2008INFINITIFX35N/A
2008INFINITIFX353.5LV6N/A
2008INFINITIFX45N/A
2008INFINITIFX454.5LV8N/A
2008NissanAltimaN/A
2007INFINITIFX35N/A
2007INFINITIFX45N/A
2007INFINITIG35N/A
2007Nissan350ZN/A
2007NissanAltimaN/A
2007NissanMaximaN/A
2007NissanMuranoN/A
2006INFINITIFX353.5LV6N/A
2006INFINITIFX454.5LV8N/A
2006INFINITIG35N/A
2006Nissan350ZN/A
2006NissanAltimaN/A
2006NissanMaximaN/A
2006NissanMuranoN/A
2005INFINITIFX353.5LV6N/A
2005INFINITIFX454.5LV8N/A
2005INFINITIG35N/A
2005Nissan350ZN/A
2005NissanAltimaN/A
2005NissanMaximaN/A
2005NissanMuranoN/A
2004INFINITIFX353.5LV6N/A
2004INFINITIFX454.5LV8N/A
2004INFINITIG35N/A
2004Nissan350ZN/A
2004NissanAltimaN/A
2004NissanMuranoN/A
2003INFINITIFX353.5LV6N/A
2003INFINITIFX454.5LV8N/A
2003INFINITIG35N/A
2003Nissan350ZN/A
2003NissanAltimaN/A
2003NissanMuranoN/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:

163531R167125-034725230799423619556-2069AR6145AR6145SBDR1129R6145RAA1745RY640T

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