2015 Audi A3 Ignition Parts

This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

28 Camshaft Position Sensor parts for the 2015 Audi A3 come from 17 brands — WELLS, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 14 other brands. The "Popular" part is DELPHI SS11473. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 15 parts.

This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

24 Crankshaft Position Sensor parts for the 2015 Audi A3 come from 15 brands — WALKER PRODUCTS, MARELLI, VEMO and 12 other brands. The "Popular" part is ASTEMO / HITACHI CPS0066.

The Economy section lists 5 options from VEMO, HOLSTEIN, PRENCO and 1 other brand — the catalog's value-priced group. HOLSTEIN 2CRK0550 is listed in this group.

In the Standard Replacement grade, ASTEMO / HITACHI, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 7 other brands supply 15 parts: built to original-equipment specification. A representative part number is ASTEMO / HITACHI CPS0066.

4 further parts sit outside the graded sections, with the same engine-level match.

This table covers the Diesel Glow plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

2 Diesel Glow Plug parts are listed for the 2015 Audi A3, from BOSCH and VEMO.

Listed part numbers: BOSCH 0250403009 and VEMO V99140077.

This table covers the controllers that fire the glow plugs. Read more

ASTEMO / HITACHI supplies both parts for the 2015 Audi A3.

Listed part numbers: ASTEMO / HITACHI GLP2149D and ASTEMO / HITACHI GLP2149S.

This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off. Read more

19 Ignition Coil parts for the 2015 Audi A3 come from 16 brands — ASTEMO / HITACHI, WALKER PRODUCTS, HOLSTEIN and 13 other brands. The "Popular" part is DELPHI GN10632.

The Economy section: 5 options from HOLSTEIN, PRENCO, SKP and 2 other brands. HOLSTEIN 2IGC0516 is listed in this group.

In the Premium grade, ASTEMO / HITACHI and DELPHI supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is DELPHI GN10632.

Standard Replacement: 10 parts, from WALKER PRODUCTS, BOSCH, KARLYN / BREMI / STI and 6 other brands. A representative part number is BOSCH 0986221072.

This table covers the lock cylinders in the ignition switch. Read more

This group shows a single part: WELLS 4H1924.

This table covers the Ignition Lock housings. Read more

2 Ignition Lock Housing parts are listed for the 2015 Audi A3, from DORMAN and ÜRO PARTS.

Listed part numbers: DORMAN 926593 and ÜRO PARTS 1K0905851B.

This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine. Read more

13 Spark Plug parts are listed for the 2015 Audi A3, from AUTOLITE, NGK, BOSCH and 3 other brands. BOSCH 8160 carries the "Popular" badge.

In the Copper / Nickel grade, AUTOLITE supplies 1 part: grouped under the catalog's "Copper / Nickel" designation — the notes column spells out what sets them apart. A representative part number is AUTOLITE 5325.

In the Double Platinum (lasts up to 3x longer than Copper / Nickel) grade, BOSCH, AUTOLITE, CHAMPION and 1 other brand supply 4 parts: grouped under the catalog's "Double Platinum (lasts up to 3x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is BOSCH 8160.

The Iridium (lasts up to 4x longer than Copper / Nickel) section lists 4 options from SKP, BOSCH, CHAMPION and 1 other brand — grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. SKP SP1022 is listed in this group.

In the Platinum (lasts up to 2x longer than Copper / Nickel) grade, AUTOLITE supplies 2 parts: grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is AUTOLITE AP3923.

In the Ruthenium (maximum durability & ignitability) grade, NGK supplies 1 part: grouped under the catalog's "Ruthenium (maximum durability & ignitability)" designation — the notes column spells out what sets them apart. A representative part number is NGK 95125.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This table covers the seals at the Spark Plug Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Spark Plug Tube Seal parts for the 2015 Audi A3 come from ELRING.

Part numbers include ELRING 380150 and ELRING 811540.