The 2015 Audi A3 has 72 drivetrain parts with verified fitment on this page — 14 part types and 16 brands, covering all 4 engine options (1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged and 2.0L L4 Turbocharged). Each part includes a manufacturer part number and application notes.
The drivetrain system on the 2015 Audi A3 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (15 parts), CV Joint (10 parts) and CV Joint Boot (10 parts). The other 11 part types cover the remaining 37 parts.
The 2015 Audi A3 was sold with 4 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2015 Audi A3 drivetrain parts are VAICO (15 parts), VALVOLINE (14 parts) and GKN (8 parts), plus 13 more brands. Quality grades include Standard Replacement, Economy and Premium.
14 parts on this 2015 Audi A3 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including VAICO V106592 (AWD Coupling Oil Pump) and TOP NOTCH TN19116PR (CV Axle). Click any part number to see every vehicle that part fits.
AWD Coupling Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V600450 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Differential Oil, 850 ML | View on Amazon |
This table covers the AWD Coupling fluids. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
This group shows a single part: VAICO V600450.
AWD Coupling Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V106662 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the AWD Coupling Oil filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
This group shows a single part: VAICO V106662.
AWD Coupling Oil Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Popular Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V106592 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Convertible or Sedan | View on Amazon |
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V106603 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Oil drain plugs | View on Amazon |
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V106827 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Pump, Oil drain plugs, Complete Kit | View on Amazon |
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V106826 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Complete KitIncludes: Pump, Oil, Screws | View on Amazon |
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V105600XXL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Hydraulic Filter, Hydraulic Oil, Drain Plugs, Seal Ring, Gasket-Set | View on Amazon |
This table covers the AWD Coupling Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
5 AWD Coupling Oil Pump parts for the 2015 Audi A3 come from VAICO. The "Popular" part is VAICO V106592.
Part numbers include VAICO V106592, VAICO V106603 and VAICO V106827, among others listed above.
Axle Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 6150061 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontNon-Ribbed Version | View on Amazon |
This table covers the Axle bolts.
This group shows a single part: DORMAN 6150061.
CV Axle
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTO EXTRA Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | VW88560 | 🇺🇸 US 🇨🇦 CA | Front LeftTDI Komfort or TDI Premium or TDI Premium PLUS or TDI Prestige or TDI Progressiv or TDI Technik | View on Amazon |
| FAMOUS BRAND Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 1700748631 | 🇺🇸 US 🇨🇦 CA | RightFront | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular Fits: 1.8L L4 Turbocharged | TN19116PR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance | View on Amazon |
| GSP Fits: 1.8L L4 Turbocharged | PR72085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance Revolution | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular Fits: 1.8L L4 Turbocharged | TN19116 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| TRAKMOTIVE Popular Fits: 2.0L L4 DIESEL Turbocharged | AD8159 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Popular Fits: 2.0L L4 DIESEL Turbocharged | AD8148 | 🇺🇸 US 🇨🇦 CA | Front RightSedan | View on Amazon |
| CARDONE Fits: 1.8L L4 Turbocharged | 667346 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GKN Fits: 2.0L L4 DIESEL Turbocharged | 306791 | 🇺🇸 US 🇨🇦 CA | Front LeftLength 474 mm | View on Amazon |
| GSP Fits: 1.8L L4 Turbocharged | NCV72085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| GSP Fits: 1.8L L4 Turbocharged | NCV23015 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP Fits: 2.0L L4 DIESEL Turbocharged | NCV23047 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| TRAKMOTIVE Fits: 1.8L L4 Turbocharged | AD8791 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| TRAKMOTIVE Fits: 1.8L L4 Turbocharged | AD8128 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include ABS Ring | View on Amazon |
| TRAKMOTIVE Fits: 2.0L L4 DIESEL Turbocharged | VW8723 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
15 CV Axle parts for the 2015 Audi A3 come from 7 brands — TRAKMOTIVE, GSP, TOP NOTCH and 4 other brands. The "Popular" part is TOP NOTCH TN19116PR.
The Economy section lists 2 options from AUTO EXTRA and FAMOUS BRAND — the catalog's value-priced group. AUTO EXTRA VW88560 is listed in this group.
In the Premium grade, TOP NOTCH and GSP supply 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is TOP NOTCH TN19116PR.
In the Standard Replacement grade, TRAKMOTIVE, GSP, TOP NOTCH and 2 other brands supply 11 parts: built to original-equipment specification. A representative part number is TOP NOTCH TN19116.
CV Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Popular Fits: 1.8L L4 Turbocharged | 305448 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pre-lubricatedThermosplastic Elastomer (TPE) | View on Amazon |
| VAICO Popular Fits: 2.0L L4 DIESEL Turbocharged | V107416 | 🇺🇸 US | Reman. | View on Amazon |
| GKN Fits: 1.8L L4 Turbocharged | 306653 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 1.259 In | View on Amazon |
| GKN Fits: 2.0L L4 DIESEL Turbocharged | 306656 | 🇺🇸 US 🇨🇦 CA | OUTER Diameter 3.385 In | View on Amazon |
| GKN Fits: 2.0L L4 DIESEL Turbocharged | 306658 | 🇺🇸 US 🇨🇦 CA | Fits Front Left OuterSedan | View on Amazon |
| MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | TDS0017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | TDS0102 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | TIJ0036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged | TIJ0039 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| MARELLI Fits: 1.4L L4 Turbocharged | TIJ0049 | 🇲🇽 MX | Front | View on Amazon |
This table covers the constant-velocity joints at each end of a drive axle.
10 CV Joint parts for the 2015 Audi A3 come from 3 brands — MARELLI, GKN and VAICO. The "Popular" part is GKN 305448.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 1033176 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
| BECK/ARNLEY Fits: 1.8L L4 Turbocharged | 1032978 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| BECK/ARNLEY Fits: 2.0L L4 DIESEL Turbocharged | 1032959 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| GKN Fits: 1.8L L4 Turbocharged | 305967 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Length: 123 mmThermoplastic Elastomer | View on Amazon |
| GKN Fits: 1.8L L4 Turbocharged | 304936 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not contain CapThermoplastic Elastomer | View on Amazon |
| GKN Fits: 2.0L L4 DIESEL Turbocharged | 305756 | 🇺🇸 US 🇨🇦 CA | Length: 110 mmThermoplastic Elastomer | View on Amazon |
| MEVOTECH Fits: 1.8L L4 Turbocharged | DX747 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| MEVOTECH Fits: 2.0L L4 DIESEL Turbocharged | DX398 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| REIN Fits: 2.0L L4 DIESEL Turbocharged | BKN0188 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
| VAICO Fits: 2.0L L4 DIESEL Turbocharged | V105415 | 🇺🇸 US | Front Inner | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
10 CV Joint Boot parts for the 2015 Audi A3 come from 5 brands — BECK/ARNLEY, GKN, MEVOTECH and 2 other brands. The "Popular" part is BECK/ARNLEY 1033176.
Differential Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VNE Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 4009408 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearConvertible or Sedan | View on Amazon |
| VNE Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 4009409 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearConvertible or Sedan | View on Amazon |
This table covers the Differential 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.
VNE supplies both parts for the 2015 Audi A3.
This group includes VNE 4009408 and VNE 4009409.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Popular Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged, 1.4L L4 Turbocharged | 228490 | 🇨🇦 CA 🇲🇽 MX | Height [MM]: 26.5Radial Shaft Seal Design: SP | View on Amazon |
| VAICO Popular Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V103266 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dimensions: 60X74,3X8 | View on Amazon |
| ELRING Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 454820 | 🇨🇦 CA 🇲🇽 MX | Inside Diameter: 60.0 mmOutside Diameter: 74.0 mm | View on Amazon |
| ELRING Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 871060 | 🇨🇦 CA 🇲🇽 MX | Height [MM]: 12.6Radial Shaft Seal Design: SP | View on Amazon |
| ELRING Fits: 1.4L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 914240 | 🇨🇦 CA 🇲🇽 MX | Dust Cover: with dust LipHeight [MM]: 8 | View on Amazon |
| ELRING Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 877460 | 🇨🇦 CA | Dust Cover: without dust LipSwirl Type: Alternating Twist | View on Amazon |
| ELRING Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 871180 | 🇨🇦 CA | Dust Cover: with dust LipInner Diameter [MM]: 67 | View on Amazon |
This table covers the seals at the Differential. 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.
7 Differential Seal parts are listed for the 2015 Audi A3, from ELRING and VAICO. ELRING 228490 carries the "Popular" badge.
This group includes ELRING 228490, VAICO V103266 and ELRING 454820 and the remaining parts above.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 1.8L L4 Turbocharged | V107631 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
One part is listed for the 2015 Audi A3 — VAICO V107631.
Drive Shaft Flex Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V1018008 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the flex joints in the driveshaft.
This group shows a single part: VAICO V1018008.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 1.8L L4 Turbocharged | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Popular Fits: 1.8L L4 Turbocharged | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V600364 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 850MLTransmission code : JJN, JUY, KJU, KMC, KMD, MMK, MML | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 723856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 819195 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 902146 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 904644 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
8 Gear Oil parts for the 2015 Audi A3 come from 2 brands — VALVOLINE and VAICO. The "Popular" part is VALVOLINE VV975.
This group includes VALVOLINE VV975, VALVOLINE 889785 and VAICO V600364 and the remaining parts above.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 1.8L L4 Turbocharged | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Popular Fits: 1.8L L4 Turbocharged | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V10000270 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Description: Differential Fluid Change KitIncludes: Hydraulic Oil, Drain Plugs and Seal Rings | View on Amazon |
| VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | V10000270XXL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Description: Differential Fluid Change KitIncludes: Hydraulic Oil, Hydraulic Filter, Drain Plugs, Seal Rings and Installation Hardware | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 723856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 819195 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 902146 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 1.8L L4 Turbocharged | 904644 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
9 Transfer Case Fluid parts for the 2015 Audi A3 come from 2 brands — VALVOLINE and VAICO. The "Popular" part is VALVOLINE VV975.
Part numbers include VALVOLINE VV975, VALVOLINE 889785 and VAICO V10000270, among others listed above.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged | 871070 | 🇨🇦 CA | Swirl Type: Left-hand Twist | View on Amazon |
This table covers the seals at the Transfer Case Input 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.
One part is listed for the 2015 Audi A3 — ELRING 871070.
Buying Drivetrain Parts for a 2015 Audi A3
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: CV Axle and CV Joint .
Frequently Asked Questions
How many drivetrain parts fit the 2015 Audi A3?
Our catalog currently lists 72 drivetrain parts for the 2015 Audi A3 across 14 subcategories and 16 brands, covering all 4 engine options (1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged and 2.0L L4 Turbocharged). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2015 Audi A3 engines?
Yes. Every drivetrain 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 drivetrain problems on a 2015 Audi A3?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
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 2015 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 2015 Audi A3?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2015 Audi A3
Drivetrain Parts for Other Audi A3 Years
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