2025 Audi A3 Engine Parts

This table covers the Connecting Rod bolts. Read more

This group shows a single part: 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

One part is listed for the 2025 Audi A3 — ELRING 798670.

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 for the 2025 Audi A3 come from 3 brands — ELRING, FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: ELRING 248300, ELRING 798660 and FEL-PRO BS40725, plus the other parts 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

One part is listed for the 2025 Audi A3 — ELRING 564670.

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

One part is listed for the 2025 Audi A3 — ELRING 908020.

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

One part is listed for the 2025 Audi A3 — ELRING 822390.

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

This group shows a single part: 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

5 Motor Mount parts for the 2025 Audi A3 come from 3 brands — ANCHOR, VAICO and PIONEER. The "Popular" part is ANCHOR 9919.

The Economy section lists 1 option from VAICO — the catalog's value-priced group. VAICO V107841 is listed in this group.

In the Standard Replacement grade, ANCHOR and PIONEER supply 4 parts: built to original-equipment specification. A representative part number is ANCHOR 9919.

Listed part numbers: ANCHOR 9919, VAICO V107841 and ANCHOR 9918, plus the other parts 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

5 Oil parts for the 2025 Audi A3 come from 3 brands — LIQUI MOLY, MOBIL and VALVOLINE. The "Popular" part is MOBIL 125386.

Listed part numbers: MOBIL 125386, LIQUI MOLY 20236 and LIQUI MOLY 20238, 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

This group shows a single part: NISSENS 91607.

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 2025 Audi A3, from ELRING and FEL-PRO.

Part numbers include ELRING 279610 and FEL-PRO 73305.

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

5 Oil Drain Plug parts for the 2025 Audi A3 come from 3 brands — DORMAN, REIN and ELRING.

Listed part numbers: DORMAN 090169, DORMAN 090090 and ELRING 588690, plus the other parts above.

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

19 Oil Filter parts for the 2025 Audi A3 come from 13 brands — WIX, FVP, PRO-TEC and 10 other brands. The "Popular" part is HENGST E358H03D246.

The Economy section: 6 options from FVP, PRO-TEC, CHAMP / LUBER-FINER and 1 other brand. CHAMP / LUBER-FINER P1078 is listed in this group.

The High Performance / Heavy Duty section lists 4 options from MOBIL and WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1102A is listed in this group.

Standard Replacement: 9 parts, from WIX, HENGST, MANN and 5 other brands. A representative part number is HENGST E358H03D246.

This table covers the Oil Filter covers. Read more

One part is listed for the 2025 Audi A3 — MOTORAD MO319.

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

This group shows a single part: ELRING 279630.

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

One part is listed for the 2025 Audi A3 — GATES VVS263.

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 2025 Audi A3 — DAYCO 95352.

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

This group shows a single part: GMB 34800923.

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 2025 Audi A3 come from ELRING.

Part numbers include ELRING 893790, ELRING 893820 and ELRING 031320.

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

One part is listed for the 2025 Audi A3 — ANCHOR 10363.

This table covers the fasteners that mount the turbocharger. Read more

One part is listed for the 2025 Audi A3 — ELRING 033070.

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

This group shows a single part: ELRING 461682.

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

3 Valve Stem Seal parts for the 2025 Audi A3 come from 2 brands — ELRING and MAHLE / CLEVITE.

This group includes ELRING 724590, ELRING 797560 and MAHLE / CLEVITE SS46126.