2020 Audi A6 Engine Parts

This table covers the chains that drive the balance shafts. Read more

One part is listed for the 2020 Audi A6 — PREFERRED COMPONENTS INC C796.

This table covers the guides that keep the balance-shaft chain on its path. Read more

PREFERRED COMPONENTS INC supplies the 3 Balance Shaft Chain Guide parts for the 2020 Audi A6.

Listed part numbers: PREFERRED COMPONENTS INC R76272, PREFERRED COMPONENTS INC R76269 and PREFERRED COMPONENTS INC T64204.

This table covers the Balance Shaft Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

This group shows a single part: PREFERRED COMPONENTS INC T64207.

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

4 Conversion / Lower Gasket Set parts are listed for the 2020 Audi A6, from AJUSA and VICTOR REINZ.

This group includes AJUSA 54295400, AJUSA 54295900 and VICTOR REINZ 081004101 and the remaining parts above.

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

15 Crankshaft Seal parts for the 2020 Audi A6 come from 6 brands — VICTOR REINZ, FEL-PRO, AJUSA and 3 other brands. The "Popular" part is FEL-PRO TCS46138.

This table covers the Crankshaft Seal covers. Read more

One part is listed for the 2020 Audi A6 — DORMAN 635696.

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

4 Cylinder Head Bolt parts are listed for the 2020 Audi A6, from AJUSA and MAHLE / CLEVITE.

Part numbers include AJUSA 81054400, AJUSA 81077400 and AJUSA 81054000, among others listed above.

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

11 Cylinder Head Gasket parts are listed for the 2020 Audi A6, from AJUSA, MAHLE / CLEVITE, APEX and 3 other brands. APEX AHG947 carries the "Popular" badge.

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

6 Cylinder Head Gasket Set parts are listed for the 2020 Audi A6, from VICTOR REINZ, AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 52550500, AJUSA 52552100 and MAHLE / CLEVITE HS55345 and the remaining parts above.

This table covers the Cylinder Head temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS TS686.

This table covers the Engine covers. Read more

4 Engine Cover parts are listed for the 2020 Audi A6, from TECHPRO and VARIOUS MFR. All of them fit every engine offered in the 2020 A6.

This group includes TECHPRO AU1228142, TECHPRO AU1228143 and TECHPRO AU1228144 and the remaining parts above.

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

AJUSA supplies both parts for the 2020 Audi A6.

This group includes AJUSA 50504400 and AJUSA 50505600.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

2 Fuel Pump Camshaft Follower parts are listed for the 2020 Audi A6, from ASTEMO / HITACHI and VEMO.

Part numbers include ASTEMO / HITACHI HCF3057 and VEMO V10250019.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

One part is listed for the 2020 Audi A6 — DAYCO PB1721N.

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

7 Intake Manifold Gasket parts are listed for the 2020 Audi A6, from AJUSA, VICTOR REINZ, FEL-PRO and 2 other brands. FEL-PRO MS97518 carries the "Popular" badge.

Part numbers include FEL-PRO MS97518, AJUSA 13245500 and AJUSA 13282800, among others listed above.

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

19 Motor Mount parts for the 2020 Audi A6 come from 7 brands — DEA / MARMON RIDE CONTROL, WESTAR, VNE and 4 other brands. The "Popular" part is SKP SK10215.

The Economy section lists 2 options from SKP — the catalog's value-priced group. SKP SK10215 is listed in this group.

In the Standard Replacement grade, ANCHOR, DEA / MARMON RIDE CONTROL, WESTAR and 3 other brands supply 9 parts: built to original-equipment specification. A representative part number is ANCHOR 10215.

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

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

16 Oil parts for the 2020 Audi A6 come from 5 brands — PENTOSIN, LIQUI MOLY, VAICO and 2 other brands. The "Popular" part is LIQUI MOLY 20238. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.

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

5 Oil Cooler parts for the 2020 Audi A6 come from 3 brands — DORMAN, NISSENS and VEMO.

Part numbers include DORMAN 918985, DORMAN 918948 and NISSENS 90914, among others listed above.

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

2 Oil Cooler Gasket parts are listed for the 2020 Audi A6, from FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 73305 and MAHLE / CLEVITE B33478.

This table covers the seals at the Oil Dipstick / 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

One part is listed for the 2020 Audi A6 — FEL-PRO 73668.

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

6 Oil Drain Plug parts for the 2020 Audi A6 come from 4 brands — REIN, DORMAN, ÜRO PARTS and 1 other brand.

Part numbers include DORMAN 090090, REIN HWP0043 and REIN HWP1014, among others listed above.

This table covers the crush washers and gaskets under the oil drain plug. 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

5 Oil Drain Plug Gasket parts are listed for the 2020 Audi A6, from DORMAN, FEL-PRO, JAPANESE OE and 1 other brand. DORMAN 095147 carries the "Popular" badge.

Listed part numbers: DORMAN 095147, DORMAN 995147CD and FEL-PRO 73350, plus the other parts above.

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

This group shows a single part: DORMAN 090999.

This table covers the caps on the oil filler neck. Read more

2 Oil Filler Cap parts for the 2020 Audi A6 come from 2 brands — MOTORAD and REIN.

Part numbers include MOTORAD MO153 and REIN CPL0046.

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

29 Oil Filter parts for the 2020 Audi A6 come from 17 brands — VAICO, VARIOUS MFR, WIX and 14 other brands. The "Popular" part is WIX WL10396XP. They are grouped as Economy, High Performance / Heavy Duty and Standard Replacement, with Standard Replacement the largest group at 15 parts from MANN, WIX, FEL-PRO and 7 other brands.

This table covers the Oil Filter Adapter 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

2 Oil Filter Adapter Gasket / O-Ring parts are listed for the 2020 Audi A6, from FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 76367 and MAHLE / CLEVITE B33479.

This table covers the Oil Filter covers. Read more

5 Oil Filter Cover parts are listed for the 2020 Audi A6, from MOTORAD, DORMAN, ÜRO PARTS and 1 other brand.

This group includes DORMAN 921169, MOTORAD MO319 and MOTORAD MO374 and the remaining parts above.

This table covers the Oil Filter housings. Read more

2 Oil Filter Housing parts are listed for the 2020 Audi A6, from DORMAN and REIN.

Listed part numbers: DORMAN 926528 and REIN HEU0119.

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

2 Oil Level Sensor parts for the 2020 Audi A6 come from VEMO.

Part numbers include VEMO V10720479 and VEMO V10720485.

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

This group shows a single part: AJUSA 01899000.

This table covers the oil pans that hold the engine's oil sump. Read more

3 Oil Pan parts are listed for the 2020 Audi A6, from REIN, SPECTRA PREMIUM and VAICO.

Part numbers include REIN ESK0240, SPECTRA PREMIUM VWP60A and VAICO V105578.

This table covers the gaskets between the oil pan and the block. 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

5 Oil Pan Gasket parts for the 2020 Audi A6 come from 3 brands — AJUSA, VICTOR REINZ and ELRING. 1 part fits every engine; the other 4 are engine-specific.

Listed part numbers: AJUSA 16063100, AJUSA 59016300 and ELRING 030793, plus the other parts above.

This table covers the Oil pumps. 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

This group shows a single part: PIERBURG 707919140.

This table covers the chains that drive the oil pump. Read more

4 Oil Pump Chain parts are listed for the 2020 Audi A6, from VAICO and PREFERRED COMPONENTS INC.

Economy: 1 part, from PREFERRED COMPONENTS INC. A representative part number is PREFERRED COMPONENTS INC C760.

In the Kit grade, VAICO supplies 3 parts: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is VAICO V105855.

Listed part numbers: PREFERRED COMPONENTS INC C760, VAICO V105855 and VAICO V105855BEK, plus the other parts above.

This table covers the Oil Pump Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

This group shows a single part: INA ZT0273.

This table covers the Oil Pump Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

2 Oil Pump Control Valve / Solenoid parts are listed for the 2020 Audi A6, from DORMAN and GATES.

This group includes DORMAN 916880 and GATES VVS263.

This table covers the Oil Temperature senders. Read more

3 Oil Temperature Sender parts are listed for the 2020 Audi A6, from VEMO and VNE.

Economy: 1 part, from VEMO. A representative part number is VEMO V10720240.

The Standard Replacement section: 1 option from VNE. VNE 9408260 is listed in this group.

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

Listed part numbers: VEMO V10720240, VNE 9408260 and VEMO V10720210.

This table covers the rocker arms that transfer cam motion to the valves. Read more

This group shows a single part: MELLING MR1349.

This table covers the Timing belts. Typical signs include squeal on cold start, cracked ribs, or glazing. Spin the tensioner and idlers by hand while the belt is off. Read more

One part is listed for the 2020 Audi A6 — DAYCO 95352.

This table covers the Timing Belt & component kits. Read more

This group shows a single part: GMB 34800923.

This table covers the timing chains that keep the cams in time with the crank. Read more

2 Timing Chain parts are listed for the 2020 Audi A6, from PREFERRED COMPONENTS INC and VAICO.

This group includes PREFERRED COMPONENTS INC C7171 and VAICO V104455.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

3 Timing Chain & Component Kit parts for the 2020 Audi A6 come from VAICO.

This group includes VAICO V1010023BEK, VAICO V1010022BEK and VAICO V1010023.

This table covers the guides and dampers that keep the timing chain on its path. Read more

2 Timing Chain Guide / Damper parts are listed for the 2020 Audi A6, from PREFERRED COMPONENTS INC and ÜRO PARTS.

Listed part numbers: PREFERRED COMPONENTS INC R76270 and ÜRO PARTS 079109470.

This table covers the Timing covers. Read more

5 Timing Cover parts are listed for the 2020 Audi A6, from ÜRO PARTS, REIN and DORMAN. ÜRO PARTS 06K109210AF carries the "Popular" badge.

Listed part numbers: ÜRO PARTS 06K109210AF, DORMAN 635144 and REIN TCV0137, plus the other parts above.

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

3 Timing Cover Gasket parts for the 2020 Audi A6 come from 2 brands — MAHLE / CLEVITE and FEL-PRO.

Listed part numbers: FEL-PRO TCS46291, MAHLE / CLEVITE B33357 and MAHLE / CLEVITE JV5175.

This table covers the seals at the Timing Cover. 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 Timing Cover Seal parts for the 2020 Audi A6 come from 2 brands — FEL-PRO and SKF.

Part numbers include FEL-PRO TCS46292 and SKF 17708.

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

2 Timing Crank Sprocket parts for the 2020 Audi A6 come from 2 brands — PREFERRED COMPONENTS INC and ÜRO PARTS.

Listed part numbers: PREFERRED COMPONENTS INC G56385 and ÜRO PARTS 06H105209AT.

This table covers the Torque Strut mounts. 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

ANCHOR supplies both parts for the 2020 Audi A6.

Part numbers include ANCHOR 10332 and ANCHOR 10333.

This table covers the turbochargers that compress intake air. Read more

6 Turbocharger parts for the 2020 Audi A6 come from 4 brands — GPD, ROTOMASTER, BORG-WARNER and 1 other brand.

Listed part numbers: BORG-WARNER 18539880164, GPD 2511793 and GPD 2511762, plus the other parts above.

This table covers the Turbocharger Boost 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

WELLS supplies the 3 Turbocharger Boost Sensor parts for the 2020 Audi A6.

This group includes WELLS 5S13477, WELLS 5S15121 and WELLS 5S15727.

This table covers the Turbocharger Coolant lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

2 Turbocharger Coolant Line parts for the 2020 Audi A6 come from REIN.

Part numbers include REIN CHT0948 and REIN CHT0949.

This table covers the Turbocharger Diverter / Bypass valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

5 Turbocharger Diverter / Bypass Valve parts for the 2020 Audi A6 come from 5 brands — SKP, DORMAN, PIERBURG and 2 other brands. The "Popular" part is SKP SK911240.

This group includes SKP SK911240, DORMAN 911240 and PIERBURG 702901050 and the remaining parts above.

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

4 Turbocharger Gasket parts are listed for the 2020 Audi A6, from AJUSA, FEL-PRO and GPD.

Listed part numbers: AJUSA JTC12472, AJUSA JTC12476 and FEL-PRO 61924, plus the other parts above.

This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

4 Turbocharger Oil Line parts for the 2020 Audi A6 come from 2 brands — AJUSA and REIN.

This group includes AJUSA OP11028, AJUSA OP11063 and REIN TFP0387 and the remaining parts above.

This table covers the Turbocharger Wastegate Solenoid actuators. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

This group shows a single part: SKP SK145874.

This table covers the gaskets that seal the valve cover 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

5 Valve Cover Gasket parts for the 2020 Audi A6 come from 2 brands — AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 75000400, AJUSA 11148000 and AJUSA 11148100, plus the other parts above.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

2 Valve Lifter parts for the 2020 Audi A6 come from 2 brands — AJUSA and MELLING. 1 part fits every engine; the other 1 is engine-specific.

This group includes AJUSA 85009000 and MELLING JB7532.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

One part is listed for the 2020 Audi A6 — MELLING VL1098.

This table covers the seals on each valve stem that control oil into the guides. 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

7 Valve Stem Seal parts for the 2020 Audi A6 come from 3 brands — AJUSA, MAHLE / CLEVITE and VICTOR REINZ. 1 part fits every engine; the other 6 are engine-specific.

This group includes AJUSA 12035500, AJUSA 57077600 and AJUSA 12037600 and the remaining parts above.