2017 Audi A8 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

24 Camshaft Position Sensor parts are listed for the 2017 Audi A8, from WALKER PRODUCTS, NTK, WELLS and 13 other brands. DELPHI SS11473 carries the "Popular" badge.

In the Economy grade, DORMAN, HOLSTEIN, PRENCO and 2 other brands supply 5 parts: the catalog's value-priced group. A representative part number is DORMAN 907867.

The Standard Replacement section lists 12 options from WALKER PRODUCTS, NTK, WELLS and 6 other brands — built to original-equipment specification. DELPHI SS11473 is listed in this group.

7 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

16 Crankshaft Position Sensor parts are listed for the 2017 Audi A8, from NTK, WALKER PRODUCTS, WELLS and 10 other brands. SPECTRA PREMIUM S10305 carries the "Popular" badge.

Economy: 4 parts, from SPECTRA PREMIUM, HOLSTEIN, ÜRO PARTS and 1 other brand. A representative part number is SPECTRA PREMIUM S10305.

The Standard Replacement section: 8 options from DELPHI, STANDARD MOTOR PRODUCTS, ASTEMO / HITACHI and 5 other brands. DELPHI SS12216 is listed in this group.

4 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

20 Ignition Coil parts are listed for the 2017 Audi A8, from STANDARD MOTOR PRODUCTS, SPECTRA PREMIUM, DELPHI and 10 other brands. DELPHI GN10446 carries the "Popular" badge.

Economy: 8 parts, from SPECTRA PREMIUM, FAMOUS BRAND, FVP and 4 other brands. A representative part number is FAMOUS BRAND 2505555810.

The Premium section lists 2 options from DELPHI — a step above OE specification in materials, tolerances or warranty terms. DELPHI GN10446 is listed in this group.

The Standard Replacement section: 10 options from BOSCH, NGK, STANDARD MOTOR PRODUCTS and 3 other brands. BOSCH 0221604800 is listed in this group.

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

15 Spark Plug parts for the 2017 Audi A8 come from 7 brands — NGK, BOSCH, CHAMPION and 4 other brands. The "Popular" part is NGK 94460.

The Double Platinum (lasts up to 3x longer than Copper / Nickel) section lists 3 options from NGK, BOSCH and CHAMPION — 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. NGK 94460 is listed in this group.

In the Iridium (lasts up to 4x longer than Copper / Nickel) grade, BOSCH, NGK, CHAMPION and 3 other brands supply 10 parts: grouped under the catalog's "Iridium (lasts up to 4x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. A representative part number is BOSCH 8501.

The Platinum (lasts up to 2x longer than Copper / Nickel) section lists 1 option from MOTORCRAFT — grouped under the catalog's "Platinum (lasts up to 2x longer than Copper / Nickel)" designation — the notes column spells out what sets them apart. MOTORCRAFT SP497X is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.