HomeStandard Ignition RY-347 HVAC Relay
Part #: RY-347

Standard Ignition RY-347 HVAC Relay

18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Volkswagen, 5000, 5000 Quattro, 4000, 4000 Quattro, Coupe, Quattro, Dasher, Rabbit, and Scirocco
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Reliable HVAC Relay for Audi 4000 and Quattro Models

The Standard Ignition RY-347 HVAC relay is designed to provide dependable blower motor control for select Audi vehicles. Engineered to meet the electrical demands of Audi 4000, 4000 Quattro, 5000 Quattro, Coupe, and Quattro models, this 12-volt relay ensures consistent HVAC system performance.

Key Features of Standard Ignition RY-347 HVAC Relay

  • Amperage rating of 25 amps for efficient blower motor operation
  • Square connector shape for secure and precise fitment
  • Equipped with six male blade terminals for reliable electrical connections
  • Designed specifically for blower motor function in HVAC systems
  • 12-volt voltage rating compatible with Audi electrical systems
  • Continuous duty: No, suitable for intermittent blower motor use
  • Mounting bracket not included, allowing flexible installation options

Detailed Description of the RY-347 HVAC Relay

The Standard Ignition RY-347 HVAC relay is a critical component for maintaining proper blower motor function in Audi 4000, 4000 Quattro, 5000 Quattro, Coupe, and Quattro models. This relay features a 25-amp amperage rating and a 12-volt operating voltage, matching the electrical requirements of these vehicles' HVAC systems. Its square connector shape and six male blade terminals ensure a secure and stable connection, minimizing the risk of electrical faults. Although it is not rated for continuous duty, it is optimized for the intermittent operation typical of blower motors. The relay does not include a mounting bracket, providing flexibility for installation based on vehicle-specific configurations.

Common Applications and Issues Addressed

  • Restores blower motor operation when the HVAC system fails to circulate air
  • Resolves intermittent blower motor function or inconsistent airflow
  • Prevents electrical overloads with a 25-amp rating suitable for Audi HVAC systems
  • Eliminates relay-related HVAC system faults in Audi 4000 and Quattro models
  • Supports reliable heating and cooling performance by controlling blower motor power

Installation Notes and Tips

  • Verify vehicle compatibility with Audi 4000, 4000 Quattro, 5000 Quattro, Coupe, and Quattro models before installation
  • Ensure the relay terminals align correctly with the vehicle’s wiring harness for a secure connection
  • Check the blower motor circuit for any additional faults before replacing the relay
  • Since no mounting bracket is included, use existing hardware or appropriate mounting solutions
  • Disconnect the battery before installation to prevent electrical shorts

Quality Assurance and Warranty Information

Standard Ignition manufactures the RY-347 HVAC relay to meet OEM specifications for fit, form, and function. This relay undergoes rigorous testing to ensure reliable performance in Audi HVAC systems. While specific warranty details may vary, Standard Ignition products typically include a limited warranty against defects in materials and workmanship, providing confidence in product durability and reliability.

BrandStandard Ignition
Part NumberRY-347
Amperage Rating25
Connector ShapeSquare
ContentsRelay
Continuous DutyNo
FunctionsBlower Motor
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 18 vehicles. Search below:

YearMakeModelPositionNotes
1988Audi5000 QuattroN/A
1987Audi4000N/A
1987Audi4000 QuattroN/A
1987Audi5000 QuattroN/A
1986Audi4000N/A
1986Audi4000 QuattroN/A
1986Audi5000 QuattroN/A
1985Audi4000N/A
1985Audi4000 QuattroN/A
1984Audi4000N/A
1984Audi4000 QuattroN/A
1983Audi4000N/A
1983AudiCoupeN/A
1983AudiQuattroN/A
1982Audi4000N/A
1982AudiCoupeN/A
1981Audi4000N/A
1980Audi4000N/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:

171959143A193411R111125-011056-16018892267090060264AR280AR530R3031RAA1438

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