2017 Audi A5 Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

11 Alternator / Generator parts are listed for the 2017 Audi A5, from BOSCH, PURE ENERGY, REMY and 4 other brands. SKP SK211706 carries the "Popular" badge.

In the New grade, SKP, BOSCH and VALEO supply 3 parts: brand-new units rather than rebuilt ones. A representative part number is SKP SK211706.

In the Remanufactured grade, PURE ENERGY, REMY, TERREPOWER and 2 other brands supply 8 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 10174.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

4 Alternator / Generator Pulley parts for the 2017 Audi A5 come from 3 brands — LITENS, CONTINENTAL and GATES.

This group includes CONTINENTAL 49934, GATES 37103P and LITENS 920851A and the remaining parts above.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

41 Battery parts for the 2017 Audi A5 come from 9 brands — ACDELCO, DEKA, LUCAS and 6 other brands. The "Popular" part is ACDELCO 47AGM. Grades run from AGM (Extended Life) through Performance AGM (Extended Life + Increased Power); AGM (Extended Life) is the most populated section, led by ACDELCO, DEKA, LUCAS and 5 other brands.

This table covers the Battery Current sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

6 Battery Current Sensor parts are listed for the 2017 Audi A5, from STANDARD MOTOR PRODUCTS, WELLS and DORMAN. DORMAN 601702 carries the "Popular" badge.

This group includes DORMAN 601702, STANDARD MOTOR PRODUCTS BSC5 and STANDARD MOTOR PRODUCTS BSC28 and the remaining parts above.

This table covers the Blind Spot Detection sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

TECHPRO supplies both parts for the 2017 Audi A5.

Listed part numbers: TECHPRO AU1778102 and TECHPRO AU1779102.

This table covers the HID Headlamp igniters. Read more

This group shows a single part: ÜRO PARTS 8K0941597E.

This table covers the HID Lighting ballasts. Read more

VEMO supplies the 3 HID Lighting Ballast parts for the 2017 Audi A5.

Listed part numbers: VEMO V10730387, VEMO V10730387KIT1 and VEMO V10730412.

This table covers the horns mounted in the front of the vehicle. Read more

This group shows a single part: HELLA 011225841.

This table covers the modules that control the exterior lighting. Read more

6 Lighting Control Module (LCM) parts are listed for the 2017 Audi A5, from VEMO, MARELLI and WELLS. VEMO V10730668 carries the "Popular" badge.

Part numbers include VEMO V10730668, VEMO V10730387KIT1 and MARELLI LRB340, among others listed above.

This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

9 Parking Aid Sensor parts are listed for the 2017 Audi A5, from STANDARD MOTOR PRODUCTS, VALEO, HELLA and 3 other brands. STANDARD MOTOR PRODUCTS PPS120 carries the "Popular" badge.

This group includes STANDARD MOTOR PRODUCTS PPS120, VALEO 890001 and DORMAN 684014 and the remaining parts above.

This table covers the Rain sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

3 Rain Sensor parts are listed for the 2017 Audi A5, from VEMO and VNE.

Listed part numbers: VEMO V10721602, VEMO V10721604 and VNE 700035.

This table covers the Starter armatures. Read more

One part is listed for the 2017 Audi A5 — BOSCH 1986SE1877.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

9 Starter Motor parts are listed for the 2017 Audi A5, from PURE ENERGY, BOSCH, TYC and 4 other brands. PURE ENERGY 16028N carries the "Popular" badge.

New: 4 parts, from PURE ENERGY, TYC, BOSCH and 1 other brand. A representative part number is PURE ENERGY 16028N.

Remanufactured: 5 parts, from BOSCH, FVP, PURE ENERGY and 2 other brands. A representative part number is BOSCH SR0792X.

This group includes PURE ENERGY 16028N, TYC 117677 and BOSCH SR0792N and the remaining parts above.

This table covers the regulators that control alternator output voltage. Read more

This group shows a single part: ASTEMO / HITACHI ALR0413HUS.