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Standard Ignition RY1981 Alternator Diode Relay
| Brand | Standard Ignition RY1981 |
|---|---|
| Mounting Hardware Included | No |
| Mounting Bracket Included | No |
| Amperage Rating | 30 a |
| Connector Gender | Male; male; male; male |
| Connector Quantity | Relay |
| Functions | Relay |
| Mounting Type | Push on |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Audi and Volkswagen · 27 vehicles |
Relay function. Provides dependable switching for charging system circuits.
Push-on design. Blade terminals make installation straightforward.
12-volt, 30-amp rating. Built for standard electrical system demands.
Cross-references Standard Ignition RY1981, 1H5951253 and AR7484 for the same application. See all 4.
Alternator Diode Relay for Audi and Volkswagen
Standard Ignition RY1981 is a 12-volt alternator diode relay built for charging-system service on select Audi and Volkswagen applications. It uses a push-on mounting style with four male blade terminals and a 30 amp amperage rating for direct electrical connection in the relay circuit.
Compatible With Audi R8, TT, TT Quattro, TTS Quattro, TT RS Quattro, and Volkswagen Touareg applications, this relay supports charging-system repair where the original unit has failed. The Standard Ignition RY1981 is a direct-fit electrical replacement for vehicles that use the specified relay configuration.
- 12-volt alternator diode relay for charging and starting electrical systems
- 30 amp amperage rating for relay circuit service
- Push-on mounting type with four male blade terminals
- Male connector layout with male terminal gender
- Direct replacement for select Audi R8, TT, and Volkswagen Touareg applications
Fitment and Application Details
- Fits 2020 Audi R8, N/A
- Fits 2017-2018 Audi R8, N/A
- Fits 2014-2015 Audi R8, N/A
- Fits 2008-2012 Audi R8, N/A
- Fits 2012-2015 Audi TT Quattro, N/A
- Fits 2012-2015 Audi TTS Quattro, N/A
- Fits 2012-2014 Audi TT, N/A
- Fits 2012-2013 Audi TT RS Quattro, N/A
- Fits 2007-2010 Volkswagen Touareg, N/A
This part cross-references Audi/VW OE number 1H5951253 and aftermarket references AR7484 and R7484 for the same application. Standard Ignition RY1981 also cross-references Standard Ignition RY1981.
What This Relay Helps Address
- Charging-system relay failure
- Intermittent alternator operation
- Electrical connection issues at the relay terminals
- Voltage control problems in the charging circuit
- Starting or charging faults traced to the relay
Installation Notes and Quality Assurance
Verify terminal style, connector gender, amperage rating, and voltage before installation. Match the relay to the original part number and confirm vehicle application for Audi R8, Audi TT, Audi TT Quattro, Audi TTS Quattro, Audi TT RS Quattro, or Volkswagen Touareg service. Standard Ignition is a recognized aftermarket electrical parts brand, and RY1981 is cataloged as an OE-style replacement relay for the listed applications.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2020 | Audi | R8 | — | — | — |
| 2018 | Audi | R8 | — | — | — |
| 2017 | Audi | R8 | — | — | — |
| 2015 | Audi | R8 | — | — | — |
| 2015 | Audi | TT Quattro | 2.0L | L4 | — |
| 2015 | Audi | TTS Quattro | — | — | — |
| 2014 | Audi | R8 | — | — | — |
| 2014 | Audi | TT | — | — | — |
| 2014 | Audi | TT Quattro | 2.0L | L4 | — |
| 2014 | Audi | TTS Quattro | — | — | — |
| 2013 | Audi | TT | — | — | — |
| 2013 | Audi | TT Quattro | 2.0L | L4 | — |
| 2013 | Audi | TT RS Quattro | — | — | — |
| 2013 | Audi | TTS Quattro | — | — | — |
| 2012 | Audi | R8 | — | — | — |
| 2012 | Audi | TT | — | — | — |
| 2012 | Audi | TT Quattro | 2.0L | L4 | — |
| 2012 | Audi | TT RS Quattro | — | — | — |
| 2012 | Audi | TTS Quattro | — | — | — |
| 2011 | Audi | R8 | — | — | — |
| 2010 | Audi | R8 | — | — | — |
| 2010 | Volkswagen | Touareg | — | — | — |
| 2009 | Audi | R8 | — | — | — |
| 2009 | Volkswagen | Touareg | — | — | — |
| 2008 | Audi | R8 | — | — | — |
| 2008 | Volkswagen | Touareg | — | — | — |
| 2007 | Volkswagen | Touareg | — | — | — |
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