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
Grade: Aftermarket KL15/460 With OE No. 1K0951253A
Relay Location - 449
Grade: OE With OE No. 1J0906381B
Browse our selection of quality horn relay parts designed specifically for your Audi TT Quattro. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
ALMS Edition · Base · Premium Plus · Prestige · S Line · Special Edition · Sport · Sport High
Convertible · Coupe
L4 1.8L · L4 2.0L · V6 3.2L
Automatic Dual Clutch · Manual