2015 Audi A3 Drivetrain Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

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.

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
Fitment notes — VAICO V600450
Differential Oil, 850 ML
Fits:
SedanGrade: OEM
or:
Rear DifferentialConvertibleGrade: OEM
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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.

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
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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.

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
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VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged V106603
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes: Oil drain plugs
Fitment notes — VAICO V106603
Includes: Oil drain plugs
Convertible or Sedan
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VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged V106827
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes: Pump, Oil drain plugs, Complete Kit
Fitment notes — VAICO V106827
Includes: Pump, Oil drain plugs, Complete Kit
Convertible or Sedan
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VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged V106826
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Complete KitIncludes: Pump, Oil, Screws
Fitment notes — VAICO V106826
Complete KitIncludes: Pump, Oil, Screws
Convertible or Sedan
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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
Fitment notes — VAICO V105600XXL
Includes: Hydraulic Filter, Hydraulic Oil, Drain Plugs, Seal Ring, Gasket-Set
Convertible or Sedan
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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.

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
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This table covers the Axle bolts.

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
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FAMOUS BRAND Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged 1700748631
🇺🇸 US 🇨🇦 CA
RightFront
Fitment notes — FAMOUS BRAND 1700748631
RightFrontPDL4WD/AWD
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Premium

Brand Part Number Markets Notes Buy
TOP NOTCH Popular Fits: 1.8L L4 Turbocharged TN19116PR
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Performance
Fitment notes — TOP NOTCH TN19116PR
Performance
Front Right
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GSP Fits: 1.8L L4 Turbocharged PR72085
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Performance Revolution
Fitment notes — GSP PR72085
Performance Revolution
Front Right
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Standard Replacement

Brand Part Number Markets Notes Buy
TOP NOTCH Popular Fits: 1.8L L4 Turbocharged TN19116
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
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TRAKMOTIVE Popular Fits: 2.0L L4 DIESEL Turbocharged AD8159
🇺🇸 US 🇨🇦 CA
AAR Joint Design
Fitment notes — TRAKMOTIVE AD8159
AAR Joint Design
Front Left
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TRAKMOTIVE Popular Fits: 2.0L L4 DIESEL Turbocharged AD8148
🇺🇸 US 🇨🇦 CA
Front RightSedan
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CARDONE Fits: 1.8L L4 Turbocharged 667346
🇺🇸 US 🇨🇦 CA
Front Left
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GKN Fits: 2.0L L4 DIESEL Turbocharged 306791
🇺🇸 US 🇨🇦 CA
Front LeftLength 474 mm
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GSP Fits: 1.8L L4 Turbocharged NCV72085
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
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GSP Fits: 1.8L L4 Turbocharged NCV23015
🇺🇸 US 🇨🇦 CA
Front Left
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GSP Fits: 2.0L L4 DIESEL Turbocharged NCV23047
🇺🇸 US 🇨🇦 CA
Front Left
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TRAKMOTIVE Fits: 1.8L L4 Turbocharged AD8791
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
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TRAKMOTIVE Fits: 1.8L L4 Turbocharged AD8128
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include ABS Ring
Fitment notes — TRAKMOTIVE AD8128
Does Not Include ABS Ring
Front Right
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TRAKMOTIVE Fits: 2.0L L4 DIESEL Turbocharged VW8723
🇺🇸 US 🇨🇦 CA
AAR Joint Design
Fitment notes — TRAKMOTIVE VW8723
AAR Joint Design
Front Right
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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.

CV Joint

Brand Part Number Markets Notes Buy
GKN Popular Fits: 1.8L L4 Turbocharged 305448
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Pre-lubricatedThermosplastic Elastomer (TPE)
Fitment notes — GKN 305448
Pre-lubricatedThermosplastic Elastomer (TPE)
Fits:
Front Left OuterLength 36 MM
or:
Front Right OuterLength 36 MM
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VAICO Popular Fits: 2.0L L4 DIESEL Turbocharged V107416
🇺🇸 US
Reman.
Fitment notes — VAICO V107416
Reman.
Front OuterWHEEL SIDE
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GKN Fits: 1.8L L4 Turbocharged 306653
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
OUTER Diameter 1.259 In
Fitment notes — GKN 306653
OUTER Diameter 1.259 In
Fits:
Front Right Inner
or:
Front Left Inner
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GKN Fits: 2.0L L4 DIESEL Turbocharged 306656
🇺🇸 US 🇨🇦 CA
OUTER Diameter 3.385 In
Fitment notes — GKN 306656
OUTER Diameter 3.385 In
Fits:
Front Right InnerSedan
or:
Front Left InnerSedan
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GKN Fits: 2.0L L4 DIESEL Turbocharged 306658
🇺🇸 US 🇨🇦 CA
Fits Front Left OuterSedan
Fitment notes — GKN 306658
Fits:
Front Left OuterSedan
or:
Front Right OuterSedan
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MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged TDS0017
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
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MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged TDS0102
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
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MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged TIJ0036
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
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MARELLI Fits: 1.4L L4 Turbocharged, 1.8L L4 Turbocharged TIJ0039
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
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MARELLI Fits: 1.4L L4 Turbocharged TIJ0049
🇲🇽 MX
Front
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This table covers the constant-velocity joints at each end of a drive axle.

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
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BECK/ARNLEY Fits: 1.8L L4 Turbocharged 1032978
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Inner
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BECK/ARNLEY Fits: 2.0L L4 DIESEL Turbocharged 1032959
🇺🇸 US 🇨🇦 CA
Front Inner
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GKN Fits: 1.8L L4 Turbocharged 305967
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Length: 123 mmThermoplastic Elastomer
Fitment notes — GKN 305967
Length: 123 mmThermoplastic ElastomerThermosplastic Elastomer (TPE)
Fits:
Front Left Outer
or:
Front Right Outer
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GKN Fits: 1.8L L4 Turbocharged 304936
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not contain CapThermoplastic Elastomer
Fitment notes — GKN 304936
Does Not contain CapThermoplastic ElastomerThermosplastic Elastomer (TPE)
Fits:
Front Right Inner
or:
Front Left Inner
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GKN Fits: 2.0L L4 DIESEL Turbocharged 305756
🇺🇸 US 🇨🇦 CA
Length: 110 mmThermoplastic Elastomer
Fitment notes — GKN 305756
Length: 110 mmThermoplastic ElastomerThermosplastic Elastomer (TPE)
Fits:
Front Right InnerSedan
or:
Front Left InnerSedan
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MEVOTECH Fits: 1.8L L4 Turbocharged DX747
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Inner
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MEVOTECH Fits: 2.0L L4 DIESEL Turbocharged DX398
🇺🇸 US 🇨🇦 CA
Front Inner
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REIN Fits: 2.0L L4 DIESEL Turbocharged BKN0188
🇺🇸 US 🇨🇦 CA
Front Outer
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VAICO Fits: 2.0L L4 DIESEL Turbocharged V105415
🇺🇸 US
Front Inner
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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.

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
Fitment notes — VNE 4009408
RearConvertible or SedanPositions 10, 11, 12
RearPositions 10, 11, 12
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VNE Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged 4009409
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearConvertible or Sedan
Fitment notes — VNE 4009409
RearConvertible or SedanPositions 7 and 8
RearPositions 7 and 8
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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.

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
Fitment notes — ELRING 228490
Height [MM]: 26.5Radial Shaft Seal Design: SPSwirl Type: Right-hand Twist
Fits:
KomfortBody code: 8VS
or:
HatchbackAmbienteBody code: 8VSA6G
ConvertibleTDI KomfortBody code: 8V7
HatchbackBody code: 8VSA6GEngine Code CMBA
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VAICO Popular Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged V103266
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Dimensions: 60X74,3X8
Fitment notes — VAICO V103266
Dimensions: 60X74,3X8
Sedan6 speed trans.Grade: OEM
Grade: OEM
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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
Fitment notes — ELRING 454820
Inside Diameter: 60.0 mmOutside Diameter: 74.0 mmRadial Shaft Seal Design: A/BSSwirl Type: WD
HatchbackBody code: 8VSA6GEngine Code CMBA
Fits:
KomfortBody code: 8VS
or:
HatchbackAmbienteBody code: 8VSA6G
ConvertibleTDI KomfortBody code: 8V7
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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
Fitment notes — ELRING 871060
Height [MM]: 12.6Radial Shaft Seal Design: SPSwirl Type: RD
HatchbackBody code: 8VSA6GEngine Code CMBA
Fits:
KomfortBody code: 8VS
or:
HatchbackAmbienteBody code: 8VSA6G
ConvertibleTDI KomfortBody code: 8V7
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ELRING Fits: 1.4L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged 914240
🇨🇦 CA 🇲🇽 MX
Dust Cover: with dust LipHeight [MM]: 8
Fitment notes — ELRING 914240
Dust Cover: with dust LipHeight [MM]: 8Inner Diameter [MM]: 40Swirl Type: Alternating Twist
HatchbackBody code: 8VSA6GEngine Code CMBA
ConvertibleTDI KomfortBody code: 8V7
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ELRING Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged 877460
🇨🇦 CA
Dust Cover: without dust LipSwirl Type: Alternating Twist
Fitment notes — ELRING 877460
Dust Cover: without dust LipSwirl Type: Alternating Twist
KomfortBody code: 8VS
ConvertibleTDI KomfortBody code: 8V7
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ELRING Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged 871180
🇨🇦 CA
Dust Cover: with dust LipInner Diameter [MM]: 67
Fitment notes — ELRING 871180
Dust Cover: with dust LipInner Diameter [MM]: 67Radial Shaft Seal Design: A/BS2Swirl Type: Alternating Twist
KomfortBody code: 8VS
ConvertibleTDI KomfortBody code: 8V7
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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.

Drive Shaft

Brand Part Number Markets Notes Buy
VAICO Fits: 1.8L L4 Turbocharged V107631
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
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This table covers the driveshafts that carry torque from the transmission or transfer case.

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
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This table covers the flex joints in the driveshaft.

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
Fitment notes — VALVOLINE VV975
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart
Rear Differential
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VALVOLINE Popular Fits: 1.8L L4 Turbocharged 889785
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 889785
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Rear Differential
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VAICO Fits: 1.8L L4 Turbocharged, 2.0L L4 DIESEL Turbocharged V600364
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
850MLTransmission code : JJN, JUY, KJU, KMC, KMD, MMK, MML
Fitment notes — VAICO V600364
850MLTransmission code : JJN, JUY, KJU, KMC, KMD, MMK, MML
Fits:
Rear DifferentialConvertibleGrade: AMFor Four-Wheel Couplingor SedanGrade: AMFor Four-Wheel Coupling
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VALVOLINE Fits: 1.8L L4 Turbocharged 882505
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
Fitment notes — VALVOLINE 882505
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
Rear Differential
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VALVOLINE Fits: 1.8L L4 Turbocharged 723856
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
Fitment notes — VALVOLINE 723856
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
Rear Differential
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VALVOLINE Fits: 1.8L L4 Turbocharged 819195
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart
Fitment notes — VALVOLINE 819195
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart
Rear Differential
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VALVOLINE Fits: 1.8L L4 Turbocharged 902146
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 902146
Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Rear Differential
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VALVOLINE Fits: 1.8L L4 Turbocharged 904644
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 904644
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Rear Differential
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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.

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
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VALVOLINE Popular Fits: 1.8L L4 Turbocharged 889785
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
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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
Fitment notes — VAICO V10000270
Description: Differential Fluid Change KitIncludes: Hydraulic Oil, Drain Plugs and Seal Rings
Grade: AMFront Axle
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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
Fitment notes — VAICO V10000270XXL
Description: Differential Fluid Change KitIncludes: Hydraulic Oil, Hydraulic Filter, Drain Plugs, Seal Rings and Installation Hardware
Grade: AMFront Axle
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VALVOLINE Fits: 1.8L L4 Turbocharged 882505
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
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VALVOLINE Fits: 1.8L L4 Turbocharged 723856
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
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VALVOLINE Fits: 1.8L L4 Turbocharged 819195
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart
View on
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VALVOLINE Fits: 1.8L L4 Turbocharged 902146
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
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VALVOLINE Fits: 1.8L L4 Turbocharged 904644
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
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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.

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
Fitment notes — ELRING 871070
Swirl Type: Left-hand Twist
KomfortBody code: 8VS
ConvertibleTDI KomfortBody code: 8V7
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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.

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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