2018 Audi A6 Engine Parts

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2018 Audi A6 — ELRING 038970.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

2 Conversion / Lower Gasket Set parts for the 2018 Audi A6 come from 2 brands — AJUSA and ELRING.

Part numbers include AJUSA 54221500 and ELRING 877340.

This table covers the front and rear seals that keep oil in at the crankshaft. 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

4 Crankshaft Seal parts are listed for the 2018 Audi A6, from AJUSA and ELRING.

This group includes AJUSA 71007200, AJUSA 15103300 and ELRING 248300 and the remaining parts above.

This table covers the bolts that clamp the cylinder head to the block. Read more

2 Cylinder Head Bolt parts for the 2018 Audi A6 come from 2 brands — AJUSA and ELRING.

Listed part numbers: AJUSA 81054400 and ELRING 323300.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Cylinder Head Gasket parts for the 2018 Audi A6 come from 2 brands — AJUSA and ELRING.

Listed part numbers: AJUSA 10202800 and ELRING 008040.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

2 Cylinder Head Gasket Set parts for the 2018 Audi A6 come from 2 brands — AJUSA and ELRING.

This group includes AJUSA 52360600 and ELRING 770530.

This table covers the Engine covers. Read more

2 Engine Cover parts for the 2018 Audi A6 come from TECHPRO.

This group includes TECHPRO AU1228138 and TECHPRO AU1228146.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

This group shows a single part: AJUSA 50392800.

This table covers the high-pressure oil pumps that fire HEUI diesel injectors. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

One part is listed for the 2018 Audi A6 — MARELLI PHP1006.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Intake Manifold Gasket parts for the 2018 Audi A6 come from 2 brands — AJUSA and ELRING.

Part numbers include AJUSA 13245500 and ELRING 297590.

This table covers the seals at the Intermediate Shaft. 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

One part is listed for the 2018 Audi A6 — ELRING 299640.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

One part is listed for the 2018 Audi A6 — BECK/ARNLEY 1042417.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

5 Oil parts are listed for the 2018 Audi A6, from VALVOLINE and VAICO. VALVOLINE VV966 carries the "Popular" badge.

Listed part numbers: VALVOLINE VV966, VAICO V600422 and VAICO V600423, plus the other parts above.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

2 Oil Cooler parts are listed for the 2018 Audi A6, from DORMAN and ÜRO PARTS.

Listed part numbers: DORMAN 918985 and ÜRO PARTS 06L117021E.

This table covers the gaskets that seal the Oil Cooler. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: ELRING 279610.

This table covers the drain plugs in the oil pan. Read more

3 Oil Drain Plug parts are listed for the 2018 Audi A6, from DORMAN, ELRING and ÜRO PARTS.

Part numbers include DORMAN 090090, ELRING 588690 and ÜRO PARTS 06L103801PRM.

This table covers the Oil Drain Plug Removal tools. This is a service tool, not a wear part — match the application in the notes. Read more

DORMAN supplies both parts for the 2018 Audi A6.

This group includes DORMAN 090999 and DORMAN 49822.

This table covers the gaskets that seal the Oil Filler Cap. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: AJUSA 24035800.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

5 Oil Filter parts are listed for the 2018 Audi A6, from MOBIL, BECK/ARNLEY, FEL-PRO and 1 other brand. MOBIL M1C258A carries the "Popular" badge.

In the High Performance / Heavy Duty grade, MOBIL supplies 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1C258A.

The Standard Replacement section lists 3 options from BECK/ARNLEY, FEL-PRO and VARIOUS MFR — built to original-equipment specification. BECK/ARNLEY 0410877 is listed in this group.

Listed part numbers: MOBIL M1C258A, MOBIL M1C258 and BECK/ARNLEY 0410877, plus the other parts above.

This table covers the Oil Filter covers. Read more

2 Oil Filter Cover parts for the 2018 Audi A6 come from 2 brands — MOTORAD and ÜRO PARTS.

Part numbers include MOTORAD MO319 and ÜRO PARTS 06L115401LPRM.

This table covers the seals at the Oil Filter Housing. 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

One part is listed for the 2018 Audi A6 — ELRING 279630.

This table covers the Oil Level 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

One part is listed for the 2018 Audi A6 — WELLS 5S15303.

This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

One part is listed for the 2018 Audi A6 — ELRING 351210.

This table covers the Timing covers. Read more

2 Timing Cover parts for the 2018 Audi A6 come from 2 brands — ELRING and ÜRO PARTS.

Part numbers include ELRING 231851 and ÜRO PARTS 06K109210AF.

This table covers the gaskets that seal the Timing Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

ELRING supplies the 3 Timing Cover Gasket parts for the 2018 Audi A6.

This group includes ELRING 302690, ELRING 268000 and ELRING 872370.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

One part is listed for the 2018 Audi A6 — ÜRO PARTS 06H105209AT.

This table covers the gaskets that seal the Turbocharger. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: AJUSA JTC11837.