2024 Audi A4 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

3 Conversion / Lower Gasket Set parts are listed for the 2024 Audi A4, from AJUSA and ENGINETECH.

This group includes AJUSA 54262400, AJUSA 54295400 and ENGINETECH AU20CSA.

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 for the 2024 Audi A4 come from 4 brands — AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand. The "Popular" part is FEL-PRO BS40725.

This group includes FEL-PRO BS40725, AJUSA 15103300 and AJUSA 71013900 and the remaining parts above.

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

One part is listed for the 2024 Audi A4 — AJUSA 81077400.

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

4 Cylinder Head Gasket parts are listed for the 2024 Audi A4, from AJUSA and FEL-PRO.

Part numbers include AJUSA 10202800, AJUSA 10269100 and AJUSA 10269200, 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

AJUSA supplies the 3 Cylinder Head Gasket Set parts for the 2024 Audi A4.

Part numbers include AJUSA 52550400, AJUSA 52626200 and AJUSA 52626400.

This table covers the Engine covers. Read more

TECHPRO supplies both parts for the 2024 Audi A4.

This group includes TECHPRO AU1228145 and TECHPRO AU1228141.

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 the 3 Engine Kit Gasket Set parts for the 2024 Audi A4.

Listed part numbers: AJUSA 50504300, AJUSA 50558000 and AJUSA 50559100.

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

4 Intake Manifold Gasket parts are listed for the 2024 Audi A4, from AJUSA, FEL-PRO and MAHLE / CLEVITE.

This group includes AJUSA 13245500, AJUSA 13282900 and FEL-PRO MS97518 and the remaining parts 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

2 Motor Mount parts for the 2024 Audi A4 come from 2 brands — REIN and VAICO.

Listed part numbers: 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

13 Oil parts for the 2024 Audi A4 come from 5 brands — PENTOSIN, LIQUI MOLY, VAICO 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 2024 Audi A4 — FEL-PRO 73305.

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

3 Oil Drain Plug parts for the 2024 Audi A4 come from 3 brands — DORMAN, REIN and ÜRO PARTS.

Listed part numbers: DORMAN 090090, REIN HWP0043 and ÜRO PARTS 06L103801PRM.

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 2024 Audi A4 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

2 Oil Filter Adapter Gasket / O-Ring parts are listed for the 2024 Audi A4, 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

2 Oil Filter Cover parts are listed for the 2024 Audi A4, from MOTORAD and ÜRO PARTS.

Listed part numbers: MOTORAD MO319 and ÜRO PARTS 06L115401LPRM.

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 2024 Audi A4, from DORMAN, REIN and SPECTRA PREMIUM.

Part numbers include DORMAN 264553, REIN ESK0240 and SPECTRA PREMIUM VWP60A.

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

This group shows a single part: AJUSA 59016300.

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 2024 Audi A4 — 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 2024 Audi A4 — DAYCO 95352.

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

This group shows a single part: GMB 34800923.

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

This group shows a single part: SKF 17708.

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

One part is listed for the 2024 Audi A4 — WELLS 5S13477.

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

2 Turbocharger Diverter / Bypass Valve parts for the 2024 Audi A4 come from 2 brands — DORMAN and VEMO.

This group includes DORMAN 911240 and VEMO V10771023.

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

AJUSA supplies both parts for the 2024 Audi A4.

Listed part numbers: AJUSA JTC12472 and AJUSA JTC12738.

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

2 Turbocharger Oil Line parts for the 2024 Audi A4 come from AJUSA.

Listed part numbers: AJUSA OP11028 and AJUSA OP11334.

This table covers the Valve covers. Read more

One part is listed for the 2024 Audi A4 — VAICO V105778.

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

2 Valve Lifter parts for the 2024 Audi A4 come from 2 brands — AJUSA and MELLING.

Part numbers include 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 2024 Audi A4 — 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 for the 2024 Audi A4 come from 2 brands — AJUSA and MAHLE / CLEVITE.

Part numbers include AJUSA 12035500, AJUSA 57077600 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

This group shows a single part: WELLS 2T1228.