40 Amp - Heater, Secondary Air Pump
12V - 4-Pin Connector - Wiring Diagram: S2 - Plug: B - Normally Open Contact
40 Amp - Horn, Auxiliary Water Pump, Brake Booster
40 Amp - Heater, Secondary Air Pump
40 Amp - Heater, Secondary Air Pump
Browse our selection of quality multi-purpose relay parts designed specifically for your Audi RS4. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Cabriolet
Convertible · Sedan · Wagon
V6 2.7L · V8 4.2L
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