HomeHVAC > RelaysStandard Ignition RY-63 HVAC Automatic Temperature Control (ATC) Relay - Rear
Part #: RY-63

Standard Ignition RY-63 HVAC Automatic Temperature Control (ATC) Relay - Rear

Rear
⚙️ 267 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Mercury, and INFINITI, Tsuru, Villager, 240SX, J30, Pickup, G20, 300ZX, Axxess, Maxima, Pathfinder, Quest, Altima, D21, Sentra, Q45, NX, M30, Stanza, Pulsar NX, 200SX, Van, Multi, Samurai, 720, 280ZX, Pulsar, and 810
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Overview of Standard Ignition HVAC Automatic Temperature Control Relay

The Standard Ignition RY-63 HVAC Automatic Temperature Control (ATC) Relay is designed to ensure reliable operation of your vehicle's climate control system. Compatible with various INFINITI, Mercury, and Nissan models, this relay supports consistent temperature regulation for a comfortable driving experience.

  • Compatible with INFINITI, Mercury, and Nissan vehicles including 200SX, 240SX, 280ZX, 300ZX, Altima, Maxima, Pathfinder, and more
  • Part number RY-63 for precise identification and fitment
  • Designed specifically for HVAC Automatic Temperature Control systems
  • Ensures stable relay switching for temperature regulation
  • Durable construction for long-term performance

Detailed Product Description

The Standard Ignition RY-63 relay is an essential component in the HVAC Automatic Temperature Control system, responsible for managing electrical signals that regulate the vehicle’s heating and cooling functions. This relay is engineered to meet OEM specifications, providing dependable switching performance in vehicles such as the Nissan 300ZX, Infiniti Q45, and Mercury Villager. By maintaining proper relay function, it helps the HVAC system respond accurately to temperature settings, contributing to cabin comfort and system efficiency.

Common Applications and Issues Addressed

  • Restores proper HVAC automatic temperature control operation
  • Resolves intermittent or non-functioning climate control relays
  • Eliminates HVAC system failures related to relay malfunction
  • Prevents inconsistent heating or cooling cycles
  • Addresses relay-related electrical faults in compatible Nissan, INFINITI, and Mercury models

Installation Notes and Tips

  • Verify vehicle compatibility with the Standard Ignition RY-63 relay before installation
  • Disconnect the battery prior to relay replacement to avoid electrical shorts
  • Locate the HVAC relay in the fuse box or relay panel as specified in the vehicle’s service manual
  • Ensure secure and proper seating of the relay to maintain electrical connection
  • Test the HVAC system after installation to confirm correct operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed original equipment standards. The RY-63 HVAC Automatic Temperature Control Relay undergoes rigorous quality control to ensure reliable performance. While specific warranty terms may vary, Standard Ignition typically offers coverage against defects in materials and workmanship, providing confidence in the product’s durability and function.

BrandStandard Ignition
Part NumberRY-63
Amperage Rating30 A
Connector GenderFemale
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 267 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2002MercuryVillager3.3LV6N/A
2002MercuryVillagerN/A4 Term.
2002MercuryVillagerN/A
2002MercuryVillagerN/Aw/ Dealer Installed AC
2001MercuryVillagerN/A4 Term.
2001MercuryVillagerN/A
2001MercuryVillager3.3LV6N/A
2001MercuryVillagerN/Aw/ Dealer Installed AC
2000MercuryVillagerN/A
2000MercuryVillager3.3LV6N/A
2000MercuryVillagerN/A4 Term.
2000MercuryVillagerN/Aw/ Dealer Installed AC
1999MercuryVillagerN/A
1999MercuryVillagerN/A4 Term.
1999MercuryVillager3.3LV6N/A
1998MercuryVillagerN/A
1998MercuryVillager3.0LV6N/A
1998MercuryVillagerN/A4 Term.
1998Nissan240SXN/A
1997INFINITIJ30N/A
1997MercuryVillager3.0LV6N/A
1997MercuryVillagerN/A4 Term.
1997MercuryVillagerN/A
1997Nissan240SXN/A
1997NissanPickupN/A
1996INFINITIG20N/ANiles; Miyamato
1996INFINITIG20N/A
1996INFINITIJ30N/A
1996MercuryVillagerN/A4 Term.
1996MercuryVillagerN/A
1996MercuryVillager3.0LV6N/A
1996Nissan240SXN/A
1996Nissan300ZXN/A
1996Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1996Nissan300ZXN/ABlue
1996NissanPickupN/ATo 1/96
1996NissanPickupN/A
1996NissanPickupN/ABlue
1995INFINITIG20N/A
1995INFINITIG20N/ANiles; Miyamato
1995INFINITIJ30N/A
1995MercuryVillagerN/A
1995MercuryVillager3.0LV6N/A
1995MercuryVillagerN/A4 Term.
1995Nissan240SXN/A
1995Nissan300ZXN/A
1995Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1995Nissan300ZXN/ABlue
1995NissanMaximaN/A
1995NissanPathfinderN/A
1995NissanPickupN/A
1995NissanPickupN/ABlue
1995NissanQuestN/A
1994INFINITIG20N/A
1994INFINITIG20N/ANiles; Miyamato
1994INFINITIJ30N/A
1994MercuryVillager3.0LV6N/A
1994MercuryVillagerN/A
1994MercuryVillagerN/A4 Term.
1994Nissan240SXN/A
1994Nissan300ZXN/A
1994Nissan300ZXN/ABlue
1994NissanAltimaN/A
1994NissanD21N/A
1994NissanMaximaN/A
1994NissanMaximaManualN/A
1994NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1994NissanPathfinderN/A
1994NissanQuestN/A
1994NissanSentraN/A
1993INFINITIG20N/A
1993INFINITIG20N/AFits models from January 1993
1993INFINITIG20N/ANiles; Miyamato
1993INFINITIJ30N/A
1993INFINITIQ45N/A
1993INFINITIQ45N/ATo 2/93
1993MercuryVillagerN/A
1993MercuryVillager3.0LV6N/A
1993MercuryVillagerN/A4 Term.
1993Nissan240SXN/A
1993Nissan240SXN/ABlue
1993Nissan300ZXN/A
1993NissanAltimaN/A
1993NissanD21N/A
1993NissanMaximaN/A
1993NissanMaximaManualN/A
1993NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1993NissanNXN/A
1993NissanPathfinderN/A
1993NissanPathfinderN/ABlue
1993NissanQuestN/A
1993NissanSentraN/A
1993NissanSentraManualN/A
1992INFINITIG20N/A
1992INFINITIG20N/ANiles; Miyamato
1992INFINITIM30N/A
1992INFINITIM30N/ANiles; Miyamato
1992INFINITIQ45N/A
1992Nissan240SXN/A
1992Nissan240SXN/ABlue
1992Nissan300ZXN/A
1992NissanD21N/A
1992NissanMaximaN/A
1992NissanMaximaManualN/A
1992NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1992NissanNXN/A
1992NissanPathfinderN/A
1992NissanPathfinderN/ABlue
1992NissanSentraN/A
1992NissanSentraManualN/A
1991INFINITIG20N/A4 Term.
1991INFINITIG20N/A
1991INFINITIG20N/ANiles; Miyamato
1991INFINITIM30N/A
1991INFINITIM30N/A4 Term.
1991INFINITIM30N/ANiles; Miyamato
1991INFINITIQ45N/A
1991INFINITIQ45N/A4 Term.
1991INFINITIQ45N/A4 Blade Term.
1991Nissan240SXN/A
1991Nissan240SXN/ABlue
1991Nissan300ZXN/A
1991NissanD21N/A
1991NissanMaximaN/A
1991NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1991NissanMaximaN/AFan Control
1991NissanNXN/A
1991NissanPathfinderN/A
1991NissanPathfinderN/ABlue
1991NissanSentraN/A
1991NissanSentraManualN/A
1990INFINITIM30N/A
1990INFINITIM30N/A4 Term.
1990INFINITIM30N/ANiles; Miyamato
1990INFINITIQ45N/A
1990INFINITIQ45N/A4 Term.
1990Nissan240SXN/A
1990Nissan240SX2.4LL4N/AOE No. 25230-C9970, C9980
1990Nissan240SXN/AOE No. 25230-C9970, C9980; 4 Term.
1990Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1990Nissan300ZXN/A
1990NissanD21N/A
1990NissanD213.0LV6N/AOE No. 25230-C9970, C9980
1990NissanD212.4LL4N/AOE No. 25230-C9970, C9980
1990NissanMaximaN/A
1990NissanMaximaN/AOE No. 25230-C9970, C9980; 4 Term.
1990NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1990NissanPathfinderN/A
1990NissanPathfinder3.0LV6N/AOE No. 25230-C9970, C9980
1990NissanPulsar NXN/A
1990NissanPulsar NXN/ABlack; 4 Term.
1990NissanPulsar NX1.6LL4N/AOE No. 25230-C9970, C9980
1990NissanSentraN/A
1990NissanSentraN/Aw/ Skirt; 4 Term.
1990NissanSentra1.6LL4N/AOE No. 25230-C9970, C9980
1990NissanSentraManualN/A
1989Nissan240SXN/A
1989Nissan240SXN/AOE No. 25230-C9970, C9980; 4 Term.
1989Nissan300ZXN/A
1989Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1989Nissan300ZXN/AFitment: Excludes vehicles with automatic temperature control.
1989NissanD21N/A
1989NissanMaximaN/A
1989NissanMaximaN/AOE No. 25230-C9970, C9980; 4 Term.
1989NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1989NissanPathfinderN/A
1989NissanPulsar NXN/A
1989NissanPulsar NX1.6LL4N/A
1989NissanPulsar NX1.8LL4N/A
1989NissanPulsar NXN/ABlack; 4 Term.
1989NissanSentraN/A
1989NissanSentraN/Aw/ Skirt; 4 Term.
1989NissanSentraManualN/A
1988Nissan200SXN/A
1988Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1988Nissan300ZXN/A
1988Nissan300ZXN/AFitment: Excludes vehicles with automatic temperature control.
1988NissanD21N/A
1988NissanMaximaN/A
1988NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1988NissanPathfinderN/A
1988NissanPulsar NXN/A
1988NissanPulsar NXN/ABlack; 4 Term.
1988NissanSentraN/A
1988NissanSentraN/Aw/ Skirt; 4 Term.
1988NissanSentraManualN/A
1987Nissan200SXN/A
1987Nissan300ZXN/A
1987Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1987Nissan300ZXN/AFitment: Excludes vehicles with automatic temperature control.
1987NissanD21N/A
1987NissanMaximaN/A
1987NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1987NissanPathfinderN/A
1987NissanPickupN/A
1987NissanPulsar NXN/A
1987NissanPulsar NXN/AOE No. 25230-C9970, C9980; 4 Term.
1987NissanSamurai1.6LL4N/A4 Term.
1987NissanSamurai1.6LL4N/AFrom 1/86
1987NissanSentraN/A
1987NissanSentraGASN/A
1987NissanSentraN/Aw/ Skirt; 4 Term.
1987NissanSentraManualN/A
1986Nissan200SXN/A
1986Nissan300ZXN/A
1986Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1986Nissan300ZXN/AFitment: Excludes vehicles with automatic temperature control.
1986Nissan720N/A
1986NissanD21N/A
1986NissanMaximaN/A
1986NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1986NissanPulsar NXN/A
1986NissanSamurai1.6LL4N/A4 Term.
1986NissanSamurai1.6LL4N/AFrom 1/86
1986NissanSentraN/A
1986NissanSentraN/Aw/ Skirt; 4 Term.
1986NissanSentraManualN/A
1986NissanSentra1.6LL4N/AFrom 1/86
1985Nissan200SXN/A
1985Nissan300ZXN/A
1985Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1985Nissan300ZXN/AFitment: Excludes vehicles with automatic temperature control.
1985NissanMaximaN/A
1985NissanMaximaN/AFitment: Excludes vehicles with automatic temperature control.
1985NissanPulsar NXN/A4 Term.
1985NissanPulsar NXN/A
1984Nissan200SXN/A
1984Nissan200SX1.8LL4N/A
1984Nissan200SX2.0LL4N/A
1984Nissan300ZXN/A
1984Nissan300ZXN/AOE No. 25230-C9970, C9980; 4 Term.
1984Nissan300ZX3.0LV6N/A
1984Nissan300ZXN/AFitment: Excludes vehicles with automatic temperature control.
1984Nissan7202.4LL4N/AOE No. 25230-C9970, C9980
1984Nissan7202.0LL4N/AOE No. 25230-C9970, C9980
1984Nissan7202.5LL4N/AOE No. 25230-C9970, C9980
1984NissanMaxima2.4LL6N/A
1984NissanMaximaN/Aw/o Auto. Temp Control; From 7/84
1984NissanPulsar NX1.5LL4N/AOE No. 25230-C9970, C9980
1984NissanPulsar NX1.6LL4N/AOE No. 25230-C9970, C9980
1984NissanPulsar NXN/A4 Term.
1984NissanPulsar NXN/A
1984NissanSentra1.6LL4N/A
1984NissanSentra1.7LL4N/A
1984NissanSentra1.6LL4N/AOE No. 25230-C9970, C9980
1984NissanSentra1.7LL4N/AOE No. 25230-C9970, C9980
1983Nissan200SXN/AFrom 7/83
1983Nissan280ZX2.8LL6N/Aw/o Auto. Temp Control; From 7/83
1983Nissan280ZXN/A
1983NissanMaxima2.4LL6N/A
1983NissanMaxima2.8LL6N/A
1983NissanPulsarN/A4 Term.
1983NissanPulsarN/A
1983NissanPulsar NXN/A4 Term.
1983NissanPulsar NXN/A
1983NissanSentra1.7LL4N/A
1983NissanSentra1.5LL4N/A
1983NissanSentra1.6LL4N/A
1982NissanMaxima2.8LL6N/A
1982NissanMaxima2.4LL6N/A
1982NissanSentra1.5LL4N/A
1981Nissan8102.8LL6N/A
1981Nissan8102.4LL6N/A
1981NissanMaxima2.8LL6N/A
1981NissanMaxima2.4LL6N/A
1980Nissan8102.4LL6N/A
1979Nissan8102.4LL6N/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:

15-80012192851R10682-JR8203-007625-0128252300B000358133F5Z14N089BA3N156-156383299AR363AR363SBJR8MT0219R3063RAA1264RY63TW808

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