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

Brand Standard Ignition RY-63
Position Rear
Amperage Rating 30 A
Connector Gender Female
Connector Shape Rectangular
Contents Relay
Continuous Duty No
Functions Relay
Mounting Bracket(s) Included No
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Nissan, Mercury, and INFINITI · 267 vehicles

30-amp relay. Built for dependable 12-volt HVAC control.

Blade terminals. Rectangular connector with 4 male terminals.

Single relay. A straightforward replacement for HVAC relay function.

Cross-references BBB Industries 19285, Dorman - HELP 83299 and FEL-PRO 35813 for the same application. See all 24.

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HVAC Relay for Nissan and Infiniti Applications

Standard Ignition RY-63 is an HVAC automatic temperature control relay built for 12-volt systems with a 30 amp amperage rating. It uses a rectangular female connector with 4 male blade terminals, making it a direct-fit relay option for select Nissan, INFINITI, and Mercury Villager HVAC control circuits.

Use RY-63 when you need a replacement HVAC relay for vehicles such as the Nissan 300ZX, Maxima, Pathfinder, Sentra, and 240SX, as well as select INFINITI G20, Q45, M30, and J30 applications. This part cross-references Dorman - HELP 83299 for the same application.

Key Features

  • Part number: RY-63
  • Part type: HVAC Automatic Temperature Control (ATC) Relay
  • 12 V electrical system
  • 30 A amperage rating
  • 1 female rectangular connector
  • 4 male blade terminals
  • Relay function only
  • No mounting bracket included
  • Not continuous duty

Detailed Description

Standard Ignition RY-63 is an HVAC relay used in automatic temperature control circuits where the relay must switch power reliably within the vehicle’s climate control system. The 4-terminal blade design and rectangular connector layout support OE-style replacement in many Nissan and INFINITI platforms, including long-running fitments across the 1980s, 1990s, and early 2000s. The part number RY-63 is also associated with multiple interchange references, including Dorman - HELP 83299, which helps confirm application matching during lookup.

Compatible vehicle coverage includes 1979-2002 Nissan and Mercury Villager applications listed in the fitment data, with repeated coverage for Nissan 300ZX, Maxima, Pathfinder, Sentra, D21, 240SX, and related INFINITI models. For search relevance, this relay is commonly referenced as a Nissan HVAC relay, INFINITI automatic temperature control relay, or ATC relay for select Nissan climate control systems.

What It Helps Resolve

  • HVAC blower or climate control relay failure
  • Intermittent automatic temperature control operation
  • No power delivery through the HVAC relay circuit
  • Climate control system response issues tied to relay switching
  • Replacement needs for worn or heat-damaged relay terminals

Installation Notes and Tips

Verify connector shape, terminal count, and amperage rating before installation. This relay uses 4 male blade terminals and a single female rectangular connector, so matching the original configuration is important for proper fitment. Confirm the vehicle’s HVAC system does not require a different relay style, especially on applications noted with automatic temperature control exclusions or specific build-date notes. For best results, compare the original part number and connector layout before replacement.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and HVAC service parts. RY-63 is built to match the listed relay specifications and application references for direct replacement use in supported Nissan, INFINITI, and Mercury Villager vehicles.

This part fits 267 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2002MercuryVillager—3.3LV6—N/A—
2002MercuryVillager————N/A4 Term.
2002MercuryVillager————N/A—
2002MercuryVillager————N/Aw/ Dealer Installed AC
2001MercuryVillager————N/A4 Term.
2001MercuryVillager————N/A—
2001MercuryVillager—3.3LV6—N/A—
2001MercuryVillager————N/Aw/ Dealer Installed AC
2000MercuryVillager————N/A—
2000MercuryVillager—3.3LV6—N/A—
2000MercuryVillager————N/A4 Term.
2000MercuryVillager————N/Aw/ Dealer Installed AC
1999MercuryVillager————N/A—
1999MercuryVillager————N/A4 Term.
1999MercuryVillager—3.3LV6—N/A—
1998MercuryVillager————N/A—
1998MercuryVillager—3.0LV6—N/A—
1998MercuryVillager————N/A4 Term.
1998Nissan240SX————N/A—
1997INFINITIJ30————N/A—
1997MercuryVillager—3.0LV6—N/A—
1997MercuryVillager————N/A4 Term.
1997MercuryVillager————N/A—
1997Nissan240SX————N/A—
1997NissanPickup————N/A—
1996INFINITIG20————N/ANiles; Miyamato
1996INFINITIG20————N/A—
1996INFINITIJ30————N/A—
1996MercuryVillager————N/A4 Term.
1996MercuryVillager————N/A—
1996MercuryVillager—3.0LV6—N/A—
1996Nissan240SX————N/A—
1996Nissan300ZX————N/A—
1996Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1996Nissan300ZX————N/ABlue
1996NissanPickup————N/ATo 1/96
1996NissanPickup————N/A—
1996NissanPickup————N/ABlue
1995INFINITIG20————N/A—
1995INFINITIG20————N/ANiles; Miyamato
1995INFINITIJ30————N/A—
1995MercuryVillager————N/A—
1995MercuryVillager—3.0LV6—N/A—
1995MercuryVillager————N/A4 Term.
1995Nissan240SX————N/A—
1995Nissan300ZX————N/A—
1995Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1995Nissan300ZX————N/ABlue
1995NissanMaxima————N/A—
1995NissanPathfinder————N/A—
1995NissanPickup————N/A—
1995NissanPickup————N/ABlue
1995NissanQuest————N/A—
1994INFINITIG20————N/A—
1994INFINITIG20————N/ANiles; Miyamato
1994INFINITIJ30————N/A—
1994MercuryVillager—3.0LV6—N/A—
1994MercuryVillager————N/A—
1994MercuryVillager————N/A4 Term.
1994Nissan240SX————N/A—
1994Nissan300ZX————N/A—
1994Nissan300ZX————N/ABlue
1994NissanAltima————N/A—
1994NissanD21————N/A—
1994NissanMaxima————N/A—
1994NissanMaximaManual———N/A—
1994NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1994NissanPathfinder————N/A—
1994NissanQuest————N/A—
1994NissanSentra————N/A—
1993INFINITIG20————N/A—
1993INFINITIG20————N/AFits models from January 1993
1993INFINITIG20————N/ANiles; Miyamato
1993INFINITIJ30————N/A—
1993INFINITIQ45————N/A—
1993INFINITIQ45————N/ATo 2/93
1993MercuryVillager————N/A—
1993MercuryVillager—3.0LV6—N/A—
1993MercuryVillager————N/A4 Term.
1993Nissan240SX————N/A—
1993Nissan240SX————N/ABlue
1993Nissan300ZX————N/A—
1993NissanAltima————N/A—
1993NissanD21————N/A—
1993NissanMaxima————N/A—
1993NissanMaximaManual———N/A—
1993NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1993NissanNX————N/A—
1993NissanPathfinder————N/A—
1993NissanPathfinder————N/ABlue
1993NissanQuest————N/A—
1993NissanSentra————N/A—
1993NissanSentraManual———N/A—
1992INFINITIG20————N/A—
1992INFINITIG20————N/ANiles; Miyamato
1992INFINITIM30————N/A—
1992INFINITIM30————N/ANiles; Miyamato
1992INFINITIQ45————N/A—
1992Nissan240SX————N/A—
1992Nissan240SX————N/ABlue
1992Nissan300ZX————N/A—
1992NissanD21————N/A—
1992NissanMaxima————N/A—
1992NissanMaximaManual———N/A—
1992NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1992NissanNX————N/A—
1992NissanPathfinder————N/A—
1992NissanPathfinder————N/ABlue
1992NissanSentra————N/A—
1992NissanSentraManual———N/A—
1991INFINITIG20————N/A4 Term.
1991INFINITIG20————N/A—
1991INFINITIG20————N/ANiles; Miyamato
1991INFINITIM30————N/A—
1991INFINITIM30————N/A4 Term.
1991INFINITIM30————N/ANiles; Miyamato
1991INFINITIQ45————N/A—
1991INFINITIQ45————N/A4 Term.
1991INFINITIQ45————N/A4 Blade Term.
1991Nissan240SX————N/A—
1991Nissan240SX————N/ABlue
1991Nissan300ZX————N/A—
1991NissanD21————N/A—
1991NissanMaxima————N/A—
1991NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1991NissanMaxima————N/AFan Control
1991NissanNX————N/A—
1991NissanPathfinder————N/A—
1991NissanPathfinder————N/ABlue
1991NissanSentra————N/A—
1991NissanSentraManual———N/A—
1990INFINITIM30————N/A—
1990INFINITIM30————N/A4 Term.
1990INFINITIM30————N/ANiles; Miyamato
1990INFINITIQ45————N/A—
1990INFINITIQ45————N/A4 Term.
1990Nissan240SX————N/A—
1990Nissan240SX—2.4LL4—N/AOE No. 25230-C9970, C9980
1990Nissan240SX————N/AOE No. 25230-C9970, C9980; 4 Term.
1990Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1990Nissan300ZX————N/A—
1990NissanD21————N/A—
1990NissanD21—3.0LV6—N/AOE No. 25230-C9970, C9980
1990NissanD21—2.4LL4—N/AOE No. 25230-C9970, C9980
1990NissanMaxima————N/A—
1990NissanMaxima————N/AOE No. 25230-C9970, C9980; 4 Term.
1990NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1990NissanPathfinder————N/A—
1990NissanPathfinder—3.0LV6—N/AOE No. 25230-C9970, C9980
1990NissanPulsar NX————N/A—
1990NissanPulsar NX————N/ABlack; 4 Term.
1990NissanPulsar NX—1.6LL4—N/AOE No. 25230-C9970, C9980
1990NissanSentra————N/A—
1990NissanSentra————N/Aw/ Skirt; 4 Term.
1990NissanSentra—1.6LL4—N/AOE No. 25230-C9970, C9980
1990NissanSentraManual———N/A—
1989Nissan240SX————N/A—
1989Nissan240SX————N/AOE No. 25230-C9970, C9980; 4 Term.
1989Nissan300ZX————N/A—
1989Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1989Nissan300ZX————N/AFitment: Excludes vehicles with automatic temperature control.
1989NissanD21————N/A—
1989NissanMaxima————N/A—
1989NissanMaxima————N/AOE No. 25230-C9970, C9980; 4 Term.
1989NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1989NissanPathfinder————N/A—
1989NissanPulsar NX————N/A—
1989NissanPulsar NX—1.6LL4—N/A—
1989NissanPulsar NX—1.8LL4—N/A—
1989NissanPulsar NX————N/ABlack; 4 Term.
1989NissanSentra————N/A—
1989NissanSentra————N/Aw/ Skirt; 4 Term.
1989NissanSentraManual———N/A—
1988Nissan200SX————N/A—
1988Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1988Nissan300ZX————N/A—
1988Nissan300ZX————N/AFitment: Excludes vehicles with automatic temperature control.
1988NissanD21————N/A—
1988NissanMaxima————N/A—
1988NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1988NissanPathfinder————N/A—
1988NissanPulsar NX————N/A—
1988NissanPulsar NX————N/ABlack; 4 Term.
1988NissanSentra————N/A—
1988NissanSentra————N/Aw/ Skirt; 4 Term.
1988NissanSentraManual———N/A—
1987Nissan200SX————N/A—
1987Nissan300ZX————N/A—
1987Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1987Nissan300ZX————N/AFitment: Excludes vehicles with automatic temperature control.
1987NissanD21————N/A—
1987NissanMaxima————N/A—
1987NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1987NissanPathfinder————N/A—
1987NissanPickup————N/A—
1987NissanPulsar NX————N/A—
1987NissanPulsar NX————N/AOE No. 25230-C9970, C9980; 4 Term.
1987NissanSamurai—1.6LL4—N/A4 Term.
1987NissanSamurai—1.6LL4—N/AFrom 1/86
1987NissanSentra————N/A—
1987NissanSentra———GASN/A—
1987NissanSentra————N/Aw/ Skirt; 4 Term.
1987NissanSentraManual———N/A—
1986Nissan200SX————N/A—
1986Nissan300ZX————N/A—
1986Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1986Nissan300ZX————N/AFitment: Excludes vehicles with automatic temperature control.
1986Nissan720————N/A—
1986NissanD21————N/A—
1986NissanMaxima————N/A—
1986NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1986NissanPulsar NX————N/A—
1986NissanSamurai—1.6LL4—N/A4 Term.
1986NissanSamurai—1.6LL4—N/AFrom 1/86
1986NissanSentra————N/A—
1986NissanSentra————N/Aw/ Skirt; 4 Term.
1986NissanSentraManual———N/A—
1986NissanSentra—1.6LL4—N/AFrom 1/86
1985Nissan200SX————N/A—
1985Nissan300ZX————N/A—
1985Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1985Nissan300ZX————N/AFitment: Excludes vehicles with automatic temperature control.
1985NissanMaxima————N/A—
1985NissanMaxima————N/AFitment: Excludes vehicles with automatic temperature control.
1985NissanPulsar NX————N/A4 Term.
1985NissanPulsar NX————N/A—
1984Nissan200SX————N/A—
1984Nissan200SX—1.8LL4—N/A—
1984Nissan200SX—2.0LL4—N/A—
1984Nissan300ZX————N/A—
1984Nissan300ZX————N/AOE No. 25230-C9970, C9980; 4 Term.
1984Nissan300ZX—3.0LV6—N/A—
1984Nissan300ZX————N/AFitment: Excludes vehicles with automatic temperature control.
1984Nissan720—2.4LL4—N/AOE No. 25230-C9970, C9980
1984Nissan720—2.0LL4—N/AOE No. 25230-C9970, C9980
1984Nissan720—2.5LL4—N/AOE No. 25230-C9970, C9980
1984NissanMaxima—2.4LL6—N/A—
1984NissanMaxima————N/Aw/o Auto. Temp Control; From 7/84
1984NissanPulsar NX—1.5LL4—N/AOE No. 25230-C9970, C9980
1984NissanPulsar NX—1.6LL4—N/AOE No. 25230-C9970, C9980
1984NissanPulsar NX————N/A4 Term.
1984NissanPulsar NX————N/A—
1984NissanSentra—1.6LL4—N/A—
1984NissanSentra—1.7LL4—N/A—
1984NissanSentra—1.6LL4—N/AOE No. 25230-C9970, C9980
1984NissanSentra—1.7LL4—N/AOE No. 25230-C9970, C9980
1983Nissan200SX————N/AFrom 7/83
1983Nissan280ZX—2.8LL6—N/Aw/o Auto. Temp Control; From 7/83
1983Nissan280ZX————N/A—
1983NissanMaxima—2.4LL6—N/A—
1983NissanMaxima—2.8LL6—N/A—
1983NissanPulsar————N/A4 Term.
1983NissanPulsar————N/A—
1983NissanPulsar NX————N/A4 Term.
1983NissanPulsar NX————N/A—
1983NissanSentra—1.7LL4—N/A—
1983NissanSentra—1.5LL4—N/A—
1983NissanSentra—1.6LL4—N/A—
1982NissanMaxima—2.8LL6—N/A—
1982NissanMaxima—2.4LL6—N/A—
1982NissanSentra—1.5LL4—N/A—
1981Nissan810—2.8LL6—N/A—
1981Nissan810—2.4LL6—N/A—
1981NissanMaxima—2.8LL6—N/A—
1981NissanMaxima—2.4LL6—N/A—
1980Nissan810—2.4LL6—N/A—
1979Nissan810—2.4LL6—N/A—
Directly replaces or cross-references 24 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 19285Dorman - HELP — 83299FEL-PRO — 35813Global Parts Distributors LLC — 1711275Rostra Powertrain Controls — 60-0100Standard Ignition — RY-631R10682-JR82RSW00183F5Z14N089BA3N115-8001225-012856-1563203-0076252300B000AR363AR363SBJR8MT0219R3063RAA1264RY63TW808