2020 Audi A6 Allroad Engine Parts

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 2020 Audi A6 Allroad come from 2 brands — AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 54295900 and VICTOR REINZ 081016401.

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

5 Crankshaft Seal parts are listed for the 2020 Audi A6 Allroad, from VICTOR REINZ, AJUSA and MAHLE / CLEVITE. VICTOR REINZ 813555300 carries the "Popular" badge.

Part numbers include VICTOR REINZ 813555300, AJUSA 15088800 and AJUSA 15084000, among others listed above.

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

2 Cylinder Head Bolt parts for the 2020 Audi A6 Allroad come from 2 brands — AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 81054000 and MAHLE / CLEVITE GS34094.

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

5 Cylinder Head Gasket parts for the 2020 Audi A6 Allroad come from 2 brands — AJUSA and ELRING.

Part numbers include AJUSA 10229700, AJUSA 10229800 and AJUSA 52552200, among others listed above.

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

3 Cylinder Head Gasket Set parts for the 2020 Audi A6 Allroad come from 2 brands — VICTOR REINZ and AJUSA.

This group includes AJUSA 52552100, VICTOR REINZ 021005002 and VICTOR REINZ 021005102.

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

One part is listed for the 2020 Audi A6 Allroad — STANDARD MOTOR PRODUCTS TS686.

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 50505600.

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 2020 Audi A6 Allroad come from 2 brands — AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 13282800 and VICTOR REINZ 711760700.

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

8 Motor Mount parts are listed for the 2020 Audi A6 Allroad, from DEA / MARMON RIDE CONTROL, WESTAR and VNE. WESTAR EM7552 carries the "Popular" badge.

Part numbers include WESTAR EM7552, DEA / MARMON RIDE CONTROL A4955 and DEA / MARMON RIDE CONTROL A4956, among others listed above.

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 are listed for the 2020 Audi A6 Allroad, from PENTOSIN, LIQUI MOLY, VAICO and 2 other brands. LIQUI MOLY 20238 carries the "Popular" badge.

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

3 Oil Cooler parts are listed for the 2020 Audi A6 Allroad, from DORMAN, NISSENS and VEMO.

Listed part numbers: DORMAN 918948, NISSENS 91445 and VEMO V15606083.

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

This group shows a single part: FEL-PRO 73668.

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

3 Oil Drain Plug parts are listed for the 2020 Audi A6 Allroad, from REIN and VAICO.

Listed part numbers: REIN HWP1014, REIN HWU1014 and VAICO V105828.

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 for the 2020 Audi A6 Allroad come from 4 brands — DORMAN, FEL-PRO, JAPANESE OE and 1 other brand. The "Popular" part is DORMAN 095147.

Part numbers include DORMAN 095147, DORMAN 995147CD and FEL-PRO 73350, among others listed above.

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

One part is listed for the 2020 Audi A6 Allroad — MOTORAD MO153.

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

9 Oil Filter parts are listed for the 2020 Audi A6 Allroad, from VARIOUS MFR, ULTRA-POWER, VAICO and 5 other brands. HENGST E914HD398 carries the "Popular" badge.

In the Economy grade, ULTRA-POWER, VAICO and VARIOUS MFR supply 3 parts: the catalog's value-priced group. A representative part number is ULTRA-POWER WL10438.

The Standard Replacement section lists 6 options from HENGST, WIX, FEL-PRO and 3 other brands — built to original-equipment specification. HENGST E914HD398 is listed in this group.

Part numbers include HENGST E914HD398, ULTRA-POWER WL10438 and VAICO V450179, among others listed above.

This table covers the Oil Filter covers. Read more

This group shows a single part: MOTORAD MO374.

This table covers the Oil Filter housings. Read more

2 Oil Filter Housing parts for the 2020 Audi A6 Allroad come from 2 brands — DORMAN and REIN.

Part numbers include 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

One part is listed for the 2020 Audi A6 Allroad — 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

One part is listed for the 2020 Audi A6 Allroad — AJUSA 01899000.

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

2 Oil Pan Gasket parts are listed for the 2020 Audi A6 Allroad, from ELRING and VICTOR REINZ.

Listed part numbers: ELRING 030793 and VICTOR REINZ 703141410.

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

One part is listed for the 2020 Audi A6 Allroad — PIERBURG 707919140.

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

One part is listed for the 2020 Audi A6 Allroad — BORG-WARNER 18539880164.

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

2 Turbocharger Boost Sensor parts for the 2020 Audi A6 Allroad come from WELLS.

This group includes WELLS 5S15121 and WELLS 5S15727.

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 JTC12476.

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

One part is listed for the 2020 Audi A6 Allroad — AJUSA OP11063.

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

4 Valve Cover Gasket parts are listed for the 2020 Audi A6 Allroad, from AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 11148000, AJUSA 11148100 and VICTOR REINZ 711761000, plus the other parts above.

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

One part is listed for the 2020 Audi A6 Allroad — AJUSA 85009000.

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

This group shows a single part: 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

4 Valve Stem Seal parts are listed for the 2020 Audi A6 Allroad, from AJUSA, MAHLE / CLEVITE and VICTOR REINZ.

Part numbers include AJUSA 12037600, AJUSA 57077400 and MAHLE / CLEVITE SS45940A, among others listed above.

This table covers the oil-control solenoids that command the cam phasers. 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

One part is listed for the 2020 Audi A6 Allroad — STANDARD MOTOR PRODUCTS VVT473.