Verify Part Number on Old Part Before Ordering
Grade: Aftermarket Description: Relay No. 645 Plug (Connector): 4 Pins Voltage: 12 V Amperage: 40 A
Exhaust stock and reorder
12V - 5-Pin Connector - Changeover Contact - Quantity: 1
12V - 4-Pin Connector - Wiring Diagram: S2 - Plug: B - Normally Open Contact
Grade: Aftermarket Description: Relay No. 646 Plug (Connector): 5 Pins Voltage: 12 V Amperage: 15 A With OE No. 13A025C
Alternate Number
5 Term.
Browse our selection of quality horn relay parts designed specifically for your Audi S4. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
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