2021 Audi A1 Engine Parts

This table covers the seals at each camshaft end. 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

9 Camshaft Seal parts for the 2021 Audi A1 come from 2 brands — ELRING and AJUSA. The "Popular" part is ELRING 242650.

This group includes ELRING 242650, ELRING 523650 and AJUSA 15100000 and the remaining parts above.

This table covers the Circular / Semi-Circular plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

This group shows a single part: ELRING 391020.

This table covers the Connecting Rod bolts. Read more

2 Connecting Rod Bolt parts for the 2021 Audi A1 come from ELRING.

This group includes ELRING 038820 and 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

5 Conversion / Lower Gasket Set parts are listed for the 2021 Audi A1, from AJUSA and ELRING.

This group includes AJUSA 54291900, AJUSA 54295500 and AJUSA 54294500 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

9 Crankshaft Seal parts for the 2021 Audi A1 come from 2 brands — AJUSA and ELRING. The "Popular" part is ELRING 798660.

Part numbers include ELRING 798660, AJUSA 15100200 and AJUSA 71009000, among others listed above.

This table covers the gaskets that seal the Crankshaft Seal. 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 2021 Audi A1 — ELRING 092360.

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

7 Cylinder Head Bolt parts are listed for the 2021 Audi A1, from ELRING and AJUSA.

Listed part numbers: AJUSA 81054100, AJUSA 81054400 and AJUSA 81059800, 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

7 Cylinder Head Gasket parts are listed for the 2021 Audi A1, from ELRING and AJUSA.

This group includes AJUSA 10246700, AJUSA 10202800 and AJUSA 10220210 and the remaining parts 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

8 Cylinder Head Gasket Set parts are listed for the 2021 Audi A1, from AJUSA and ELRING.

This group includes AJUSA 52546900, AJUSA 52550200 and AJUSA 52549300 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 the 4 Engine Kit Gasket Set parts for the 2021 Audi A1.

Listed part numbers: AJUSA 50500000, AJUSA 50504100 and AJUSA 50503000, plus the other parts above.

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 2021 Audi A1, from ELRING and AJUSA.

Listed part numbers: AJUSA 13282900, ELRING 470370 and ELRING 822390, plus the other parts above.

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 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

This group shows a single part: VAICO V600423.

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: PIERBURG 709269260.

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 2021 Audi A1 — ELRING 279610.

This table covers the seals at the Oil Cooler. 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 2021 Audi A1 — ELRING 315540.

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

6 Oil Drain Plug parts for the 2021 Audi A1 come from 2 brands — ELRING and DORMAN.

This group includes DORMAN 090169, DORMAN 090090 and ELRING 982340 and the remaining parts 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

3 Oil Drain Plug Gasket parts are listed for the 2021 Audi A1, from ELRING and AJUSA.

Listed part numbers: AJUSA 18001000, ELRING 813036 and ELRING 591840.

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

This group shows a single part: MOTORAD MO180.

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

7 Oil Filter parts for the 2021 Audi A1 come from 3 brands — VARIOUS MFR, MOBIL and MARELLI.

The Economy section lists 2 options from MARELLI and VARIOUS MFR — the catalog's value-priced group. MARELLI 71760755 is listed in this group.

The High Performance / Heavy Duty section lists 3 options from MOBIL — 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.

In the Standard Replacement grade, VARIOUS MFR supplies 2 parts: built to original-equipment specification. A representative part number is VARIOUS MFR PG241EX.

Part numbers include MARELLI 71760755, VARIOUS MFR PG241 and MOBIL M1102A, among others listed above.

This table covers the Oil Filter covers. Read more

One part is listed for the 2021 Audi A1 — DORMAN 921169.

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 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

2 Oil Level Sensor Gasket / O-Ring parts for the 2021 Audi A1 come from 2 brands — AJUSA and ELRING.

This group includes AJUSA 01311200 and ELRING 351210.

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

3 Oil Pan Gasket parts for the 2021 Audi A1 come from 2 brands — ELRING and AJUSA. 1 part fits every engine; the other 2 are engine-specific.

This group includes AJUSA 59016200, ELRING 030793 and ELRING 398260.

This table covers the gaskets that seal the Oil Pump. 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 2021 Audi A1 — ELRING 245730.

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 2021 Audi A1 — CLOYES B356.

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

This group shows a single part: CLOYES BK356.

This table covers the Timing Belt 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: CLOYES 96027.

This table covers the Timing Chain Tensioner 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 16524700.

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

8 Timing Cover Gasket parts for the 2021 Audi A1 come from 2 brands — ELRING and AJUSA. The "Popular" part is ELRING 302690.

This group includes ELRING 302690, ELRING 268000 and AJUSA 77096300 and the remaining parts above.

This table covers the Timing idlers. Typical signs include a chirp that follows engine speed, or an idler that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for. Read more

This group shows a single part: CLOYES 96028.

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

This group shows a single part: DORMAN 667430.

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

4 Turbocharger Diverter / Bypass Valve parts for the 2021 Audi A1 come from 4 brands — DORMAN, PIERBURG, SKP and 1 other brand.

Listed part numbers: DORMAN 911240, PIERBURG 702901050 and SKP SK911240, plus the other 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

6 Turbocharger Gasket parts are listed for the 2021 Audi A1, from AJUSA and ELRING.

Part numbers include AJUSA JTC11709, AJUSA JTC12454 and AJUSA JTC11960, among others listed above.

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

6 Turbocharger Mounting Hardware parts are listed for the 2021 Audi A1, from ELRING and AJUSA.

This group includes AJUSA 77009100, ELRING 877100 and ELRING 100090 and the remaining 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

5 Turbocharger Oil Line parts for the 2021 Audi A1 come from 2 brands — AJUSA and DORMAN.

Listed part numbers: AJUSA OP11056, AJUSA OP10639 and AJUSA OP10914, plus the other parts above.

This table covers the Turbocharger Oil Line 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: ELRING 245830.

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

11 Valve Cover Gasket parts for the 2021 Audi A1 come from 2 brands — ELRING and AJUSA. The "Popular" part is AJUSA 75000400.

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

This group shows a single part: AJUSA 85009000.

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

11 Valve Stem Seal parts for the 2021 Audi A1 come from 2 brands — AJUSA and ELRING. The "Popular" part is ELRING 308610.

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

2 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2021 Audi A1 come from 2 brands — PIERBURG and VAICO.

Listed part numbers: PIERBURG 706117480 and VAICO V104353.