29 Engine parts are listed for the 2026 Audi A3, in 11 part types, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Audi A3, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. Most of the listed parts are Oil Filter (11 parts), Oil (5 parts) and Motor Mount (3 parts). The other 8 part types cover the remaining 10 parts.
The 2026 Audi A3 was sold with both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2026 Audi A3 engine parts are ANCHOR (4 parts), FEL-PRO (3 parts) and MOBIL (3 parts), plus 14 more brands. Quality grades include Economy, Standard Replacement and High Performance / Heavy Duty.
3 parts on this 2026 Audi A3 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MOBIL 125386 (Oil) and MANN HU6013Z (Oil Filter). Click any part number to see every vehicle that part fits.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 2.0L L4 Turbocharged | BS40725 | 🇺🇸 US 🇨🇦 CA | PTFE RubberIncludes Sleeve | View on Amazon |
| MAHLE / CLEVITE Fits: 2.0L L4 Turbocharged | 67969 | 🇺🇸 US 🇨🇦 CA | PTFE (Polytetrafluoroethylene)Includes Retainer | View on Amazon |
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.
2 Crankshaft Seal parts are listed for the 2026 Audi A3, from FEL-PRO and MAHLE / CLEVITE.
This group includes FEL-PRO BS40725 and MAHLE / CLEVITE 67969.
Motor Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: 2.0L L4 Turbocharged | 9919 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear UpperTorque Arm Bushing | View on Amazon |
| ANCHOR Fits: 2.0L L4 Turbocharged | 9918 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear LowerTorque Arm Bushing | View on Amazon |
| ANCHOR Fits: 2.0L L4 Turbocharged | 10393 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right | View on Amazon |
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.
ANCHOR supplies the 3 Motor Mount parts for the 2026 Audi A3.
This group includes ANCHOR 9919, ANCHOR 9918 and ANCHOR 10393.
Oil
Summary: Notes list SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include LIQUI MOLY, MOBIL and VALVOLINE.
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: 2.0L L4 Turbocharged | 125386 | 🇺🇸 US 🇨🇦 CA | ESP X2 0W-20ESP X2 Full Synthetic Motor Oil 0W-20, 1 Quart | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 Turbocharged | 20236 | 🇺🇸 US 🇨🇦 CA | Top Tec 6200 0W-201 Liter | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 Turbocharged | 20238 | 🇺🇸 US 🇨🇦 CA | Top Tec 6200 0W-205 Liter | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 Turbocharged | 22186 | 🇺🇸 US 🇨🇦 CA | Top Tec 6200 0W-2020 Liter | View on Amazon |
| VALVOLINE Fits: 2.0L L4 Turbocharged | 888048 | 🇺🇸 US 🇨🇦 CA | European Vehicle Full Synthetic SAE 0W-201 Quart | View on Amazon |
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.
5 Oil parts are listed for the 2026 Audi A3, from LIQUI MOLY, MOBIL and VALVOLINE. MOBIL 125386 carries the "Popular" badge.
Part numbers include MOBIL 125386, LIQUI MOLY 20236 and LIQUI MOLY 20238, among others listed above.
Oil Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS Fits: 2.0L L4 Turbocharged | 91607 | 🇺🇸 US | View on Amazon |
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.
One part is listed for the 2026 Audi A3 — NISSENS 91607.
Oil Cooler Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 2.0L L4 Turbocharged | 73305 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
This group shows a single part: FEL-PRO 73305.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Fits: 2.0L L4 Turbocharged | HWP1014 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| REIN Fits: 2.0L L4 Turbocharged | HWU1014 | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
This table covers the drain plugs in the oil pan.
REIN supplies both parts for the 2026 Audi A3.
Listed part numbers: REIN HWP1014 and REIN HWU1014.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMP / LUBER-FINER Fits: 2.0L L4 Turbocharged | P1078 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FRAM Fits: 2.0L L4 Turbocharged | FE11784 | 🇺🇸 US 🇨🇦 CA | Synthetic Endurance or Tough Guard | View on Amazon |
| FVP Fits: 2.0L L4 Turbocharged | G0396 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cartridge FilterSynthetic Media or Cellulose Media | View on Amazon |
| PRO-TEC Fits: 2.0L L4 Turbocharged | PXL10396 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 2.0L L4 Turbocharged | M1C258A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended PerformanceStyle: Cartridge Lube Metal Free Filter | View on Amazon |
| WIX Fits: 2.0L L4 Turbocharged | WL10396XP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | XP Extreme DutyBest For Synthetic Motor Oils | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MANN Popular Fits: 2.0L L4 Turbocharged | HU6013Z | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Height: 4.41 InCellulose Media | View on Amazon |
| WIX Popular Fits: 2.0L L4 Turbocharged | WL10396 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Factory filled synthetic oil | View on Amazon |
| FEL-PRO Fits: 2.0L L4 Turbocharged | OFCS2025 | 🇺🇸 US 🇨🇦 CA | Includes Cap and Filter | View on Amazon |
| VARIOUS MFR Fits: 2.0L L4 Turbocharged | PG8161EX | 🇺🇸 US 🇨🇦 CA | Extended LifeCartridge Filter | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 1.4L L4 Turbocharged | M1102A | 🇲🇽 MX | Extended Performance | View on Amazon |
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.
11 Oil Filter parts are listed for the 2026 Audi A3, from MOBIL, WIX, CHAMP / LUBER-FINER and 6 other brands. MANN HU6013Z carries the "Popular" badge.
In the Economy grade, CHAMP / LUBER-FINER, FRAM, FVP and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER P1078.
In the High Performance / Heavy Duty grade, MOBIL and WIX supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1C258A.
The Standard Replacement section lists 4 options from MANN, WIX, FEL-PRO and 1 other brand — built to original-equipment specification. MANN HU6013Z is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Oil Filter Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 2.0L L4 Turbocharged | MO319 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Filter covers.
This group shows a single part: MOTORAD MO319.
Timing Belt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Fits: 2.0L L4 Turbocharged | 95352 | 🇺🇸 US 🇨🇦 CA | Water Pump | View on Amazon |
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.
This group shows a single part: DAYCO 95352.
Torque Strut Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: 2.0L L4 Turbocharged | 10363 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Lower | View on Amazon |
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.
This group shows a single part: ANCHOR 10363.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Fits: 2.0L L4 Turbocharged | SS46126 | 🇺🇸 US 🇨🇦 CA | Contains Intake and Exhaust Valve Stem Oil SealsSet | View on Amazon |
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.
One part is listed for the 2026 Audi A3 — MAHLE / CLEVITE SS46126.
Buying Engine Parts for a 2026 Audi A3
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Filter and Oil .
Frequently Asked Questions
How many engine parts fit the 2026 Audi A3?
Our catalog currently lists 29 engine parts for the 2026 Audi A3 across 11 subcategories and 17 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2026 Audi A3 engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2026 Audi A3?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2026 Audi A3?
Oil rows on this page include SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2026 Audi A3 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2026 Audi A3?
First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Audi A3
Engine Parts for Other Audi A3 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.