HomeHVAC > RelaysStandard Ignition RY-38 HVAC Relay
Part #: RY-38

Standard Ignition RY-38 HVAC Relay

⚙️ 198 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Isuzu, Nissan, and Geo, Trooper, 200SX, 240SX, Altima, Maxima, Pathfinder, Pickup, Quest, Sentra, 300ZX, Axxess, D21, Storm, Stylus, NX, Impulse, Stanza, Micra, Amigo, Pulsar NX, I-Mark, Multi, Van, 720, 280ZX, Pulsar, 210, 310, 510, 810, 620, 280Z, B210, F10, 710, 610, and 260Z
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Reliable HVAC Relay for Geo, Isuzu, and Nissan Vehicles

The Standard Ignition RY-38 HVAC relay is designed to provide dependable operation for your vehicle's heating, ventilation, and air conditioning system. Compatible with a range of Geo, Isuzu, and Nissan models, this relay ensures consistent performance and helps maintain climate control functionality.

  • Compatible with multiple Geo, Isuzu, and Nissan models including 200SX, 240SX, 300ZX, Altima, Pathfinder, and more
  • Standard Ignition quality for reliable HVAC system operation
  • Part number RY-38 for precise identification and fitment
  • Designed to control HVAC blower motor circuits effectively
  • Durable construction to withstand automotive electrical demands

Product Overview and Compatibility

The Standard Ignition RY-38 HVAC relay is engineered to replace the original relay in various Geo, Isuzu, and Nissan vehicles. This relay is essential for controlling the blower motor in the HVAC system, enabling proper airflow and temperature regulation inside the cabin. It is compatible with models such as the Nissan 200SX, 240SX, 300ZX, Altima, Maxima, Pathfinder, and Nissan trucks like the D21 and Pickup. Additionally, it fits Isuzu models like the Amigo and Trooper, as well as Geo vehicles including the Storm and Tracker series. Using the correct relay ensures your HVAC system operates smoothly without electrical interruptions.

Common HVAC Issues Addressed by This Relay

  • Intermittent or non-functioning blower motor
  • HVAC system failing to switch between fan speeds
  • Blower motor running continuously or not turning off
  • Electrical faults causing HVAC system malfunctions
  • HVAC relay failure leading to loss of climate control

Installation Notes and Tips

  • Verify vehicle compatibility using make, model, and year before installation
  • Disconnect the battery before replacing the relay to prevent electrical shorts
  • Locate the HVAC relay in the fuse box or relay panel as specified in the vehicle’s service manual
  • Ensure the relay is seated firmly in the socket to maintain proper electrical contact
  • Test the HVAC system after installation to confirm proper operation

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The RY-38 HVAC relay undergoes rigorous quality control testing to maintain consistent electrical function under automotive conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty against defects in material and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberRY-38
Amperage Rating20 A
Connector ShapeSquare
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 198 vehicles. Search below:

YearMakeModelPositionNotes
2002IsuzuTrooperN/A
2001IsuzuTrooperN/A
2000IsuzuTrooperN/A
1999IsuzuTrooperN/A
1998IsuzuTrooperN/A
1997IsuzuTrooperN/A
1997Nissan200SXN/AOE No. 25230-C9910, 15; 6 Term.
1997Nissan240SXN/AOE No. 25230-C9910, 15; 6 Term.
1997NissanAltimaN/AOE No. 25230-C9910, 15; 6 Term.
1997NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1997NissanPathfinderN/AOE No. 25230-C9910, 15; 6 Term.
1997NissanPickupN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1997NissanQuestN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1997NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1996IsuzuTrooperN/A
1996Nissan200SXN/AOE No. 25230-C9910, 15; 6 Term.
1996Nissan240SXN/AOE No. 25230-C9910, 15; 6 Term.
1996Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1996NissanAltimaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1996NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1996NissanPathfinderN/AOE No. 25230-C9910, 15; 6 Term.
1996NissanPickupN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1996NissanQuestN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1996NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1995IsuzuTrooperN/A
1995Nissan200SXN/AOE No. 25230-C9910, 15; 6 Term.
1995Nissan240SXN/AOE No. 25230-C9910, 15; 6 Term.
1995Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1995NissanAltimaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1995NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1995NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1995NissanPickupN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1995NissanQuestN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1995NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1994Nissan240SXN/AOE No. 25230-C9910, 15; 6 Term.
1994Nissan300ZXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1994NissanAltimaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1994NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1994NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1994NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1994NissanQuestN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1994NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1993GeoStormN/A
1993GeoStormN/ACompatible with vehicles equipped with Canada Emissions.
1993IsuzuStylusN/A
1993Nissan240SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993Nissan300ZXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993NissanAltimaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993NissanNXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993NissanQuestN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1993NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1992GeoStormN/A
1992IsuzuImpulseN/A
1992IsuzuStylusN/A
1992Nissan240SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1992Nissan300ZXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1992NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1992NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1992NissanNXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1992NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1992NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1991GeoStormN/A
1991IsuzuImpulseN/A
1991IsuzuStylusN/A
1991Nissan240SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1991Nissan300ZXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1991NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1991NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1991NissanNXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1991NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1991NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1990GeoStormN/A
1990IsuzuAmigoN/ARed; 6 Blade Term.
1990IsuzuImpulseN/A
1990IsuzuPickupN/ARed; 6 Blade Term.
1990IsuzuTrooperN/ARed; 6 Blade Term.
1990Nissan240SXN/AOE No. 25230-C9910, 15; 6 Term.
1990Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1990NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1990NissanMaximaN/AOE No. 25230-C9910, 15; 6 Term.
1990NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1990NissanPulsar NXN/ARed; OE No. 25230-C9910, 15; 6 Term.
1990NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1989IsuzuAmigoN/ARed; 6 Blade Term.
1989IsuzuI-MarkN/ARed; 6 Blade Term.
1989IsuzuImpulseN/ARed; 6 Blade Term.
1989IsuzuPickupN/ARed; 6 Blade Term.
1989IsuzuTrooperN/ARed; 6 Blade Term.
1989Nissan240SXN/AOE No. 25230-C9910, 15; 6 Term.
1989Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1989NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1989NissanMaximaN/AOE No. 25230-C9910, 15; 6 Term.
1989NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1989NissanPulsar NXN/ARed; OE No. 25230-C9910, 15; 6 Term.
1989NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1988IsuzuI-MarkN/ARed; 6 Blade Term.
1988IsuzuImpulseN/ARed; 6 Blade Term.
1988IsuzuPickupN/ARed; 6 Blade Term.
1988IsuzuTrooperN/ARed; 6 Blade Term.
1988Nissan200SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1988Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1988NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1988NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1988NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1988NissanPulsar NXN/ARed; OE No. 25230-C9910, 15; 6 Term.
1988NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1987IsuzuI-MarkN/ARed; 6 Blade Term.
1987IsuzuImpulseN/ARed; 6 Blade Term.
1987IsuzuPickupN/ARed; 6 Blade Term.
1987IsuzuTrooperN/A
1987Nissan200SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1987Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1987NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1987NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1987NissanPathfinderN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1987NissanPulsar NXN/AOE No. 25230-C9910, 15; 6 Term.
1987NissanSentraN/ARed; OE No. 25230-C9910, 15; 6 Term.
1986IsuzuI-MarkN/ARed; 6 Blade Term.
1986IsuzuImpulseN/ARed; 6 Blade Term.
1986IsuzuPickupN/ARed; 6 Blade Term.
1986IsuzuTrooperN/A
1986Nissan200SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1986Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1986Nissan720N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1986NissanD21N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1986NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1986NissanPulsar NXN/A
1986NissanSentraN/A
1985IsuzuI-MarkN/ARed; 6 Blade Term.
1985IsuzuImpulseN/ARed; 6 Blade Term.
1985IsuzuPickupN/ARed; 6 Blade Term.
1985IsuzuTrooperN/ARed; 6 Blade Term.
1985Nissan200SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1985Nissan300ZXN/AOE No. 25230-C9910, 15; 6 Term.
1985Nissan720N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1985NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1985NissanPulsar NXN/A6 Blade Term.
1985NissanSentraN/A
1984IsuzuI-MarkN/ARed; 6 Blade Term.
1984IsuzuImpulseN/ARed; 6 Blade Term.
1984IsuzuPickupN/ARed; 6 Blade Term.
1984IsuzuTrooperN/ARed; 6 Blade Term.
1984Nissan200SXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1984Nissan300ZXN/A
1984Nissan720N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1984NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1984NissanPulsar NXN/A6 Blade Term.
1984NissanSentraN/A
1983IsuzuI-MarkN/ARed; 6 Blade Term.
1983IsuzuImpulseN/ARed; 6 Blade Term.
1983IsuzuPickupN/ARed; 6 Blade Term.
1983Nissan200SXN/A
1983Nissan280ZXN/A
1983Nissan720N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1983NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1983NissanPulsarN/A6 Blade Term.
1983NissanPulsar NXN/A6 Blade Term.
1983NissanSentraN/A
1982IsuzuI-MarkN/ARed; 6 Blade Term.
1982IsuzuPickupN/ARed; 6 Blade Term.
1982Nissan200SXN/A
1982Nissan210N/A
1982Nissan280ZXN/A
1982Nissan310N/A
1982Nissan720N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1982NissanMaximaN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1982NissanSentraN/A
1981IsuzuI-MarkN/ARed; 6 Blade Term.
1981IsuzuPickupN/ARed; 6 Blade Term.
1981Nissan200SXN/A
1981Nissan210N/A
1981Nissan280ZXN/A
1981Nissan310N/A
1981Nissan510N/A
1981Nissan720N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1981Nissan810N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1980Nissan200SXN/A
1980Nissan210N/A
1980Nissan280ZXN/A
1980Nissan310N/A
1980Nissan510N/A
1980Nissan510N/AFitment Note: Without Bracket
1980Nissan720N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1980Nissan810N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1979Nissan200SXN/A
1979Nissan210N/A
1979Nissan280ZXN/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1979Nissan310N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1979Nissan510N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1979Nissan810N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1978Nissan200SXN/A
1978Nissan510N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1978Nissan810N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.
1977Nissan200SXN/A
1977Nissan810N/ARed; OE No. 25230-C9910, 15; 6 Blade Term.

* 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:

199251R130725-067325230C99103598256-176788922815894147095094147095AR213R803RAA3063W804

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