2018 Audi R8 Electrical Switch & Relay Parts

This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 A/C Refrigerant Pressure Switch parts for the 2018 Audi R8 come from 3 brands — FOUR SEASONS, UAC and VNE.

Part numbers include FOUR SEASONS 37427, UAC SW11224C and VNE 4016002.

This table covers the relays that control the ABS circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

2 ABS Relay parts for the 2018 Audi R8 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.

This table covers the relays that control the Accessory Power circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

2 Accessory Power Relay parts are listed for the 2018 Audi R8, from STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.

This table covers the relays that control the Alternator / Generator Diode circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2018 Audi R8 — STANDARD MOTOR PRODUCTS RY1981.

This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

This group shows a single part: WELLS 1S10938.

This table covers the relays that control the Fuel Pump / Circuit Opening circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

3 Fuel Pump / Circuit Opening Relay parts for the 2018 Audi R8 come from 3 brands — STANDARD MOTOR PRODUCTS, VEMO and WELLS.

Part numbers include STANDARD MOTOR PRODUCTS RY577, VEMO V15710073 and WELLS 1R2303.

This table covers the relays that control the Horn circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

2 Horn Relay parts are listed for the 2018 Audi R8, from HELLA and WELLS.

Listed part numbers: HELLA 965453801 and WELLS 1R2303.

This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2018 Audi R8 — WELLS 1S17872.

This table covers the relays that control the Multi-Function circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: BOSCH 0986AH0307.

This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch. Read more

5 Oil Pressure Sender / Switch parts for the 2018 Audi R8 come from 5 brands — WALKER PRODUCTS, BECK/ARNLEY, ROSTRA and 2 other brands. The "Popular" part is BECK/ARNLEY 2011987.

The Economy section lists 1 option from WALKER PRODUCTS — the catalog's value-priced group. WALKER PRODUCTS 2561078 is listed in this group.

In the Standard Replacement grade, BECK/ARNLEY, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is BECK/ARNLEY 2011987.

Part numbers include BECK/ARNLEY 2011987, WALKER PRODUCTS 2561078 and ROSTRA 501405, among others listed above.

This table covers the Power Seat switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2018 Audi R8 — VEMO V10730561.

This table covers the relays that control the Starter Motor Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

2 Starter Motor Control Relay parts are listed for the 2018 Audi R8, from STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.

This table covers the relays that control the Washer Pump circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

2 Washer Pump Relay parts for the 2018 Audi R8 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.