2025 Audi A5 Engine Parts

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

2 Crankshaft Seal parts for the 2025 Audi A5 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO BS40725 and MAHLE / CLEVITE 67969.

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 A5 — FEL-PRO 26888PT.

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 are listed for the 2025 Audi A5, from FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO MS97518 and MAHLE / CLEVITE MS20326.

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

2 Motor Mount parts for the 2025 Audi A5 come from 2 brands — REIN and VAICO.

This group includes REIN AVE0769 and VAICO V109175.

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

12 Oil parts for the 2025 Audi A5 come from 5 brands — PENTOSIN, LIQUI MOLY, MOBIL and 2 other brands. The "Popular" part is MOBIL 125386.

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

One part is listed for the 2025 Audi A5 — FEL-PRO 73305.

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

4 Oil Drain Plug parts for the 2025 Audi A5 come from 2 brands — REIN and DORMAN.

This group includes DORMAN 090090, REIN HWP1014 and REIN HWP0043 and the remaining 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

14 Oil Filter parts for the 2025 Audi A5 come from 13 brands — WIX, CHAMP / LUBER-FINER, FRAM and 10 other brands. The "Popular" part is HENGST E358H03D246.

The Economy section lists 4 options from CHAMP / LUBER-FINER, FRAM, FVP and 1 other brand — the catalog's value-priced group. CHAMP / LUBER-FINER P1078 is listed in this group.

The High Performance / Heavy Duty section lists 2 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 M1C258A is listed in this group.

In the Standard Replacement grade, HENGST, MANN, WIX and 5 other brands supply 8 parts: built to original-equipment specification. A representative part number is HENGST E358H03D246.

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

One part is listed for the 2025 Audi A5 — MAHLE / CLEVITE B33479.

This table covers the Oil Filter covers. Read more

One part is listed for the 2025 Audi A5 — MOTORAD MO319.

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

2 Oil Pan parts are listed for the 2025 Audi A5, from REIN and SPECTRA PREMIUM.

Part numbers include REIN ESK0240 and SPECTRA PREMIUM VWP60A.

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

One part is listed for the 2025 Audi A5 — 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 A5 — DAYCO 95352.

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

This group shows a single part: GMB 34800923.

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 2025 Audi A5.

Part numbers include ANCHOR 10332 and ANCHOR 10333.

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

This group shows a single part: VEMO V10771023.

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

2 Valve Stem Seal parts for the 2025 Audi A5 come from MAHLE / CLEVITE.

Part numbers include MAHLE / CLEVITE SS45940A and MAHLE / CLEVITE SS46126.