2017 Audi TT Electrical Parts: OEM & Replacement (97 Parts)

The 2017 Audi TT has 97 electrical parts with verified fitment on this page — 15 part types and 27 brands, covering both the 1.8L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part includes a manufacturer part number and application notes.

The electrical system on the 2017 Audi TT covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Battery (41 parts), Alternator / Generator (14 parts) and Parking Aid Sensor (11 parts). The other 12 part types cover the remaining 31 parts.

Alternator / Generator

New

Brand	Part Number	Markets	Notes	Buy
TYC Popular Fits: 2.0L L4 Turbocharged	221081	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	TT QuattroBosch Brand Fitment notes — TYC 221081 TT QuattroBosch Brand140 Amps	View on Amazon
WAI GLOBAL Popular Fits: 2.0L L4 Turbocharged	20354N	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Fits Valeo 140 AmpFrom 10/03/2016 Fitment notes — WAI GLOBAL 20354N Fits: Valeo 140 AmpFrom 10/03/2016 or: Valeo 140 AmpTo 10/03/2016	View on Amazon
WAI GLOBAL Popular Fits: 2.0L L4 Turbocharged	24226N	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	140 Amps Bosch	View on Amazon
BOSCH Fits: 2.0L L4 Turbocharged	AL0921N	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	From 10/2016with Bosch Unit Fitment notes — BOSCH AL0921N From 10/2016with Bosch Unitwith 140 Amps Alternator	View on Amazon
BOSCH Fits: 2.0L L4 Turbocharged	AL0194N	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Does Not Include Pulley Fitment notes — BOSCH AL0194N Does Not Include Pulley To 09/2016with Bosch Unitwith 140 Amps Alternator	View on Amazon
TYC Fits: 2.0L L4 Turbocharged	221073	🇺🇸 US 🇨🇦 CA	Convertible150 Amps Fitment notes — TYC 221073 Convertible150 AmpsValeo Brand	View on Amazon
VALEO Fits: 2.0L L4 Turbocharged	439814	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	140 Amps	View on Amazon

Remanufactured

Brand	Part Number	Markets	Notes	Buy
BOSCH Fits: 2.0L L4 Turbocharged	AL0194X	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — BOSCH AL0194X Remanufactured To 09/2016with Bosch Unitwith 140 Amps Alternator	View on Amazon
FVP Fits: 2.0L L4 Turbocharged	10273	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — FVP 10273 Remanufactured with 140 Amp Valeo Alternator	View on Amazon
PURE ENERGY Fits: 2.0L L4 Turbocharged	10273	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — PURE ENERGY 10273 Remanufactured with 140 Amp Valeo Alternator	View on Amazon
PURE ENERGY Fits: 2.0L L4 Turbocharged	10272	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — PURE ENERGY 10272 Remanufactured with 140 Amp Bosch Alternator	View on Amazon
REMY Fits: 2.0L L4 Turbocharged	11216	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — REMY 11216 Remanufactured Bosch Unit140 Amps	View on Amazon
TERREPOWER Fits: 2.0L L4 Turbocharged	42255	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — TERREPOWER 42255 Remanufactured Valeo Unit140 Amps	View on Amazon
TERREPOWER Fits: 2.0L L4 Turbocharged	42346	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — TERREPOWER 42346 Remanufactured Bosch Unit140 Amps	View on Amazon

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.

Alternator / Generator Pulley

Brand	Part Number	Markets	Notes	Buy
CONTINENTAL Fits: 2.0L L4 Turbocharged	49934	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	FlangedSteel Fitment notes — CONTINENTAL 49934 FlangedSteelPully Width: 40.5mmBearing ID: 17mmBearing OD: 55mm TT Quattrowith 140 Amps Alternator.	View on Amazon
LITENS Fits: 2.0L L4 Turbocharged	920851A	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	TT Quattrowith 140 Amp Alternator	View on Amazon

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.

Battery

AGM (Extended Life)

Brand	Part Number	Markets	Notes	Buy
DEKA Popular Fits: 2.0L L4 Turbocharged	9A47	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A47 IntimidatorAGMBCI Group 47660 CCALength X Width X Height: 9.75 In x 6.875 In x 7.5 In PR-J2D Code	View on Amazon
DEKA Popular Fits: 2.0L L4 Turbocharged	9A48	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A48 IntimidatorAGMBCI Group 48760 CCALength X Width X Height: 11 In x 6.875 In x 7.5 In PR-J2D codeE	View on Amazon
DEKA Popular Fits: 2.0L L4 Turbocharged	9A94R	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A94R IntimidatorAGMBCI Group 94R800 CCALength X Width X Height: 12.4375 In x 6.875 In x 7.5 In Fits: PR-J0R Cod or: PR-J1N Code	View on Amazon
FVP Popular Fits: 2.0L L4 Turbocharged	P94RAGM	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Platinum AGMBCI Group: 94R Fitment notes — FVP P94RAGM Platinum AGMBCI Group: 94RCCA: 800140 Minute Reserve Capacity(LxWxH) 12.4" x 6.9" x 7.5" Fits: PR-J1N or: PR-J0R	View on Amazon
LUCAS Popular Fits: 2.0L L4 Turbocharged	LBAGM004A	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group: 48AGM Fitment notes — LUCAS LBAGM004A BCI Group: 48AGMLucas MaxCCA 760RC 120(LxWxH) 10.9" x 6.9" x 7.5" PR-J2DBattery is vented to outside of vehicle	View on Amazon
LUCAS Popular Fits: 2.0L L4 Turbocharged	LBAGM005A	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group: 94RAGM Fitment notes — LUCAS LBAGM005A BCI Group: 94RAGMLucas MaxCCA 800RC 140(LxWxH) 12.4" x 6.9" x 7.5" PR-J0B, PR-J1UBattery is vented To outside of vehicle	View on Amazon
ACDELCO Fits: 2.0L L4 Turbocharged	48AGM	🇺🇸 US 🇨🇦 CA	AGMBCI Group: 48 Fitment notes — ACDELCO 48AGM AGMBCI Group: 48CCA: 760 ARC: 120 MJLength x Width x Height: 10.9 In x 6.9 In x 7.5 InReserve Capacity Minutes at 25 Amp Load: 120 MJ PR-J2D	View on Amazon
ACDELCO Fits: 2.0L L4 Turbocharged	94RAGMHR	🇺🇸 US 🇨🇦 CA	High ReserveAGM Fitment notes — ACDELCO 94RAGMHR High ReserveAGMBCI Group: 94RCCA: 850 ARC: 150 MJLength x Width x Height: 12.4 In x 6.9 In x 7.5 In PR-J1N	View on Amazon
ACDELCO Fits: 2.0L L4 Turbocharged	48AGMHR	🇺🇸 US 🇨🇦 CA	High ReserveAGM Fitment notes — ACDELCO 48AGMHR High ReserveAGMBCI Group: 48CCA: 760 ARC: 130 MJLength x Width x Height: 11 In x 6.9 In x 7.5 InHigh Reserve AGMBCI Group 48CCA 760RC 130(LxWxH) 10.91" x 6.85" x 7.48" PR-J2D	View on Amazon
ACDELCO Fits: 2.0L L4 Turbocharged	94RAGM	🇺🇸 US 🇨🇦 CA	AGMBCI Group: 94R Fitment notes — ACDELCO 94RAGM AGMBCI Group: 94RCCA: 850 ARC: 140 MJLength x Width x Height: 12.4 In x 6.9 In x 7.5 In PR-J1N	View on Amazon
ACDELCO Fits: 2.0L L4 Turbocharged	49AGM	🇺🇸 US 🇨🇦 CA	AGMBCI Group: 49 Fitment notes — ACDELCO 49AGM AGMBCI Group: 49CCA: 900 ARC: 160 MJLength x Width x Height: 13.9 In x 6.9 In x 7.5 In PR-J0B	View on Amazon
ACDELCO Fits: 2.0L L4 Turbocharged	49AGMHR	🇺🇸 US 🇨🇦 CA	High ReserveAGM Fitment notes — ACDELCO 49AGMHR High ReserveAGMBCI Group: 49CCA: 900 ARC: 170 MJLength x Width x Height: 13.9 In x 6.9 In x 7.5 In PR-J0B	View on Amazon
BOSCH Fits: 2.0L L4 Turbocharged	S6587B	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	AGMAGM Fitment notes — BOSCH S6587B AGMAGMBCI Group 94RCCA 800RC 140(LxWxH) 12.44" x 6.88" x 7.5" Fits: PR-J0R codeVehicle computer system May need To be reset and/or battery registered using scan tool.or PR-J1N codeVehicle computer system May need To be reset and/or battery registered using scan tool.	View on Amazon
BOSCH Fits: 2.0L L4 Turbocharged	S6588B	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	AGMAGM Fitment notes — BOSCH S6588B AGMAGMBCI Group 49CCA 850RC 170(LxWxH) 13.94" x 6.88" x 7.5" Fits: PR-J1U codeVehicle computer system May need To be reset and/or battery registered using scan tool.or PR-J0B codeVehicle computer system May need To be reset and/or battery registered using scan tool.	View on Amazon
DEKA Fits: 2.0L L4 Turbocharged	9A49	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A49 IntimidatorAGMBCI Group 49850 CCALength X Width X Height: 13.9375 In x 6.875 In x 7.5 In Fits: PR-J1U Cod or: PR-J0B codeE	View on Amazon
EXIDE Fits: 2.0L L4 Turbocharged	MXH6L348	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Marathon MaxBCI Group 48 (H6) Fitment notes — EXIDE MXH6L348 Marathon MaxBCI Group 48 (H6)CCA: 760120 Minute Reserve Capacity(LxWxH) 10.88" x 6.88" x 7.5" Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J2D	View on Amazon
EXIDE Fits: 2.0L L4 Turbocharged	MXH7L494R	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Marathon MaxBCI Group 94R (H7) Fitment notes — EXIDE MXH7L494R Marathon MaxBCI Group 94R (H7)CCA: 800140 Minute Reserve Capacity(LxWxH) 12.38" x 6.88" x 7.5" Fits: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J0R or: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J1N	View on Amazon
EXIDE Fits: 2.0L L4 Turbocharged	MXH8L549	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Marathon MaxBCI Group 49 (H8) Fitment notes — EXIDE MXH8L549 Marathon MaxBCI Group 49 (H8)CCA: 850160 Minute Reserve Capacity(LxWxH) 13.88" x 6.88" x 7.5" Fits: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J1U or: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J0B	View on Amazon
FVP Fits: 2.0L L4 Turbocharged	P49AGM	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Platinum AGMBCI Group: 49 Fitment notes — FVP P49AGM Platinum AGMBCI Group: 49CCA: 850180 Minute Reserve Capacity(LxWxH) 13.9" x 6.9" x 7.5" Fits: PR-J0B or: PR-J1U	View on Amazon
FVP Fits: 2.0L L4 Turbocharged	P48AGM	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Platinum AGMBCI Group: 48 Fitment notes — FVP P48AGM Platinum AGMBCI Group: 48CCA: 760120 Minute Reserve Capacity (LxWxH) 10.9" x 6.9" x 7.5" PR-J2D	View on Amazon
LUCAS Fits: 2.0L L4 Turbocharged	LBAGM006A	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group: 49AGM Fitment notes — LUCAS LBAGM006A BCI Group: 49AGMLucas MaxCCA 850RC 160(LxWxH) 13.9" x 6.9" x 7.5" PR-J0R, PR-J1NBattery is vented To outside of vehicle	View on Amazon
MOTORCRAFT Fits: 2.0L L4 Turbocharged	BAGM49H8	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 Fitment notes — MOTORCRAFT BAGM49H8 Tested Tough AGMBCI Group: 49/H8 or BCI Group 49850 CCA160 Minute Reserve CapacityLength X Width X Height: 13-15/16 inch x 6.9375 inch x 7-1/2 inch Fits: Vehicle computer system must be resetwith PR Code J1U or: Vehicle computer system must be resetwith PR Code J0B	View on Amazon
P1MAX Fits: 2.0L L4 Turbocharged	PMAGMH648	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group 48 AGM760 CCA Fitment notes — P1MAX PMAGMH648 BCI Group 48 AGM760 CCALength x Width x Height: 11 x 6 7/8 x 7 4/7 PR-J2DBattery is vented to outside of vehicle	View on Amazon
P1MAX Fits: 2.0L L4 Turbocharged	PMAGMH794R	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group 94R AGM800 CCA Fitment notes — P1MAX PMAGMH794R BCI Group 94R AGM800 CCALength x Width x Height: 12-3/8 x 6-7/8 x 7-1/2 Fits: TTS QuattroPR-J1UBattery is vented To outside of vehiclePR Codes denote factory installed options For The vehicl or: TT QuattroPR-J0SPR Codes denote factory installed options For The vehicle	View on Amazon
P1MAX Fits: 2.0L L4 Turbocharged	PMAGMH849	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group 49 AGM850 CCA Fitment notes — P1MAX PMAGMH849 BCI Group 49 AGM850 CCALength x Width x Height: 13-7/8 x 6-7/8 x 7-1/2 Fits: TTS QuattroPR-J1UBattery is vented To outside of vehiclePR Codes denote factory installed options For The vehicl or: TT QuattroPR-J2DBattery is vented To outside of vehicle	View on Amazon

Performance AGM (Extended Life + Increased Power)

Brand	Part Number	Markets	Notes	Buy
FULLRIVER Fits: 2.0L L4 Turbocharged	FT85094R	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group 94R(Length X Width X Height) 12.36 In x 6.85 In x 7.48 In Fitment notes — FULLRIVER FT85094R BCI Group 94R(Length X Width X Height) 12.36 In x 6.85 In x 7.48 InAGMCCA: 850 Fits: PR-J1N or: PR-J0R	View on Amazon
FULLRIVER Fits: 2.0L L4 Turbocharged	FT89049	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group 49(Length X Width X Height) 13.9 In x 6.89 In x 7.48 In Fitment notes — FULLRIVER FT89049 BCI Group 49(Length X Width X Height) 13.9 In x 6.89 In x 7.48 InAGMCCA: 850 Fits: PR-J0B or: PR-J1U	View on Amazon
FULLRIVER Fits: 2.0L L4 Turbocharged	FT68048	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	BCI Group 48(Length X Width X Height) 10.94 In x 6.89 In x 7.48 In Fitment notes — FULLRIVER FT68048 BCI Group 48(Length X Width X Height) 10.94 In x 6.89 In x 7.48 InAGMCCA: 680 PR-J2D	View on Amazon

Brand	Part Number	Markets	Notes	Buy
DEKA Popular Fits: 1.8L L4 Turbocharged	9A48	🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A48 IntimidatorAGMBCI Group 48760 CCALength X Width X Height: 11 In x 6.875 In x 7.5 In PR-J2D Code	View on Amazon
DEKA Popular Fits: 1.8L L4 Turbocharged	9A94R	🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A94R IntimidatorAGMBCI Group 94R800 CCALength X Width X Height: 12.4375 In x 6.875 In x 7.5 In Fits: PR-J0R Cod or: PR-J1N Code	View on Amazon
FVP Popular Fits: 1.8L L4 Turbocharged	P94RAGM	🇲🇽 MX	Platinum AGMBCI Group: 94R Fitment notes — FVP P94RAGM Platinum AGMBCI Group: 94RCCA: 800140 Minute Reserve Capacity(LxWxH) 12.4" x 6.9" x 7.5" Fits: PR-J1N or: PR-J0R	View on Amazon
BOSCH Fits: 1.8L L4 Turbocharged	S6587B	🇲🇽 MX	AGMAGM Fitment notes — BOSCH S6587B AGMAGMBCI Group 94RCCA 800RC 140(LxWxH) 12.44" x 6.88" x 7.5" Fits: PR-J0R codeVehicle computer system May need To be reset and/or battery registered using scan tool.or PR-J1N codeVehicle computer system May need To be reset and/or battery registered using scan tool.	View on Amazon
BOSCH Fits: 1.8L L4 Turbocharged	S6588B	🇲🇽 MX	AGMAGM Fitment notes — BOSCH S6588B AGMAGMBCI Group 49CCA 850RC 170(LxWxH) 13.94" x 6.88" x 7.5" Fits: PR-J1U codeVehicle computer system May need To be reset and/or battery registered using scan tool.or PR-J0B codeVehicle computer system May need To be reset and/or battery registered using scan tool.	View on Amazon
DEKA Fits: 1.8L L4 Turbocharged	9A47	🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A47 IntimidatorAGMBCI Group 47660 CCALength X Width X Height: 9.75 In x 6.875 In x 7.5 In PR-J2D Code	View on Amazon
DEKA Fits: 1.8L L4 Turbocharged	9A49	🇲🇽 MX	IntimidatorAGM Fitment notes — DEKA 9A49 IntimidatorAGMBCI Group 49850 CCALength X Width X Height: 13.9375 In x 6.875 In x 7.5 In Fits: PR-J1U Cod or: PR-J0B Code	View on Amazon
EXIDE Fits: 1.8L L4 Turbocharged	MXH6L348	🇲🇽 MX	Marathon MaxBCI Group 48 (H6) Fitment notes — EXIDE MXH6L348 Marathon MaxBCI Group 48 (H6)CCA: 760120 Minute Reserve Capacity(LxWxH) 10.88" x 6.88" x 7.5" Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J2D	View on Amazon
EXIDE Fits: 1.8L L4 Turbocharged	MXH7L494R	🇲🇽 MX	Marathon MaxBCI Group 94R (H7) Fitment notes — EXIDE MXH7L494R Marathon MaxBCI Group 94R (H7)CCA: 800140 Minute Reserve Capacity(LxWxH) 12.38" x 6.88" x 7.5" Fits: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J0R or: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J1N	View on Amazon
EXIDE Fits: 1.8L L4 Turbocharged	MXH8L549	🇲🇽 MX	Marathon MaxBCI Group 49 (H8) Fitment notes — EXIDE MXH8L549 Marathon MaxBCI Group 49 (H8)CCA: 850160 Minute Reserve Capacity(LxWxH) 13.88" x 6.88" x 7.5" Fits: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J1U or: Battery is vented To outside of vehiclePR Codes denote factory installed options For The vehiclePR-J0B	View on Amazon
FVP Fits: 1.8L L4 Turbocharged	P49AGM	🇲🇽 MX	Platinum AGMBCI Group: 49 Fitment notes — FVP P49AGM Platinum AGMBCI Group: 49CCA: 850180 Minute Reserve Capacity(LxWxH) 13.9" x 6.9" x 7.5" Fits: PR-J0B or: PR-J1U	View on Amazon
FVP Fits: 1.8L L4 Turbocharged	P48AGM	🇲🇽 MX	Platinum AGMBCI Group: 48 Fitment notes — FVP P48AGM Platinum AGMBCI Group: 48CCA: 760120 Minute Reserve Capacity (LxWxH) 10.9" x 6.9" x 7.5" PR-J2D	View on Amazon
MOTORCRAFT Fits: 1.8L L4 Turbocharged	BAGM49H8	🇲🇽 MX	Tested Tough AGMBCI Group: 49/H8 or BCI Group 49 Fitment notes — MOTORCRAFT BAGM49H8 Tested Tough AGMBCI Group: 49/H8 or BCI Group 49850 CCA160 Minute Reserve CapacityLength X Width X Height: 13-15/16 inch x 6.9375 inch x 7-1/2 inch Fits: Vehicle computer system must be resetwith PR Code J1U or: Vehicle computer system must be resetwith PR Code J0B	View on Amazon

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.

Battery Current Sensor

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged	BSC57	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Intelligent Battery Sensor Fitment notes — STANDARD MOTOR PRODUCTS BSC57 Intelligent Battery Sensor TT Quattro	View on Amazon
WELLS Fits: 2.0L L4 Turbocharged	5S16150	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	TT Quattro	View on Amazon

This table covers the Battery Current 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.

Door Control Module

Brand	Part Number	Markets	Notes	Buy
VEMO Fits: 2.0L L4 Turbocharged	V10730564	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	TT QuattroDriver side (0-223)	View on Amazon

This table covers the Door control modules.

HID Lighting Ballast

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: 2.0L L4 Turbocharged	601060	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	with LED Lights	View on Amazon

This table covers the HID Lighting ballasts.

Lighting Control Module (LCM)

Brand	Part Number	Markets	Notes	Buy
ÜRO PARTS Fits: 2.0L L4 Turbocharged	4G0907697F	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	LED Headlights	View on Amazon
VEMO Fits: 2.0L L4 Turbocharged	V10730414	🇺🇸 US 🇨🇦 CA 🇲🇽 MX		View on Amazon
VEMO Fits: 2.0L L4 Turbocharged	V10730413	🇺🇸 US 🇨🇦 CA 🇲🇽 MX		View on Amazon
WELLS Fits: 2.0L L4 Turbocharged	6H1501	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	TT Quattro	View on Amazon

This table covers the modules that control the exterior lighting.

Parking Aid Sensor

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Popular Fits: 2.0L L4 Turbocharged	PPS120	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Black Fitment notes — STANDARD MOTOR PRODUCTS PPS120 Black Fits: Rearwith Paint to Match Spoiler or: Front Outerwith Paint to Match Spoiler	View on Amazon
VALEO Popular Fits: all 2017 TT engines	890000	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Park Sensor Fitment notes — VALEO 890000 Park Sensor RearTT Quattro	View on Amazon
HELLA Fits: 2.0L L4 Turbocharged	358141711	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	3-Pin ConnectorPlugged Fitment notes — HELLA 358141711 3-Pin ConnectorPlugged Fits: RearBase ModelPaint as Required or: Front OuterBase ModelPaint as Required	View on Amazon
HELLA Fits: 2.0L L4 Turbocharged	358270331	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	3-Pin ConnectorPlugged Fitment notes — HELLA 358270331 3-Pin ConnectorPlugged Front OuterBase ModelPaint as Required	View on Amazon
MARELLI Fits: 1.8L L4 Turbocharged	SDP101	🇲🇽 MX	Fits Right Fitment notes — MARELLI SDP101 Fits: Right or: Left	View on Amazon
MARELLI Fits: 1.8L L4 Turbocharged	SDP107	🇲🇽 MX	RearFrom 08/2015	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged	PPS212	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Front	View on Amazon
VALEO Fits: all 2017 TT engines	890002	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Park Sensor Fitment notes — VALEO 890002 Park Sensor Rear Outer Rear OuterTT Quattro	View on Amazon
VARIOUS MFR Fits: 2.0L L4 Turbocharged	AU1075104	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Customer Paints to Match Fitment notes — VARIOUS MFR AU1075104 Customer Paints to Match Fits: FrontOuter or: RearConvertibleInner/OuterProximity or: RearCoupeParking AID SensorInner/OuterProximity	View on Amazon
VARIOUS MFR Fits: 2.0L L4 Turbocharged	AU1075102	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Customer Paints to Match Fitment notes — VARIOUS MFR AU1075102 Customer Paints to Match FrontParallel Park Sensor	View on Amazon
VARIOUS MFR Fits: 2.0L L4 Turbocharged	AU1075103	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Customer Paints to Match Fitment notes — VARIOUS MFR AU1075103 Customer Paints to Match FrontInner	View on Amazon

This table covers the ultrasonic park-aid sensors in the bumper. 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.

Rain Sensor

Brand	Part Number	Markets	Notes	Buy
VEMO Fits: all 2017 TT engines	V10721603	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	From 08/31/2015To 11/12/2018	View on Amazon
VEMO Fits: all 2017 TT engines	V10721602	🇺🇸 US 🇨🇦 CA 🇲🇽 MX		View on Amazon
VEMO Fits: 2.0L L4 Turbocharged	V10721604	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	with Holder	View on Amazon
VNE Fits: 2.0L L4 Turbocharged	700035	🇺🇸 US 🇨🇦 CA 🇲🇽 MX		View on Amazon

This table covers the Rain 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.

Speed Sensor

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 2.0L L4 Turbocharged	SC345	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	TT QuattroVehicle Speed	View on Amazon
WELLS Fits: all 2017 TT engines	5S12520	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Mounting Hardware Included: No Fitment notes — WELLS 5S12520 Mounting Hardware Included: No Transmission SpeedAutomatic Trans. TT QuattroTransmission SpeedAutomatic Trans.	View on Amazon

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.

Starter Armature

Brand	Part Number	Markets	Notes	Buy
BOSCH Fits: 2.0L L4 Turbocharged	1986SE1877	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	ARMATURE Fitment notes — BOSCH 1986SE1877 ARMATURE without Start/Stop Feature	View on Amazon

This table covers the Starter armatures.

Starter Brush Holder Assembly

Brand	Part Number	Markets	Notes	Buy
BOSCH Fits: 2.0L L4 Turbocharged	1004336506	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	without Start/Stop Feature	View on Amazon

This table covers the Starter Brush Holder assemblies.

Starter Motor

New

Brand	Part Number	Markets	Notes	Buy
TYC Popular Fits: 2.0L L4 Turbocharged	119214	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Fits Convertibl Fitment notes — TYC 119214 Fits: Convertibl or: CoupeBosch Brand	View on Amazon
VALEO Popular Fits: 2.0L L4 Turbocharged	438432	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Core-Flex Starter Fitment notes — VALEO 438432 Core-Flex Starter Base Model or S LineExcept Start/Stop Feature	View on Amazon
BOSCH Fits: 2.0L L4 Turbocharged	SR0840N	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	without Start/Stop Feature	View on Amazon
WAI GLOBAL Fits: 2.0L L4 Turbocharged	30236N	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Start/Stop Feature	View on Amazon
WAI GLOBAL Fits: 2.0L L4 Turbocharged	19214N	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	11T/CCWExc. Start/Stop Feature	View on Amazon

Remanufactured

Brand	Part Number	Markets	Notes	Buy
BOSCH Fits: 2.0L L4 Turbocharged	SR0840X	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — BOSCH SR0840X Remanufactured without Start/Stop Feature	View on Amazon
DENSO Fits: 2.0L L4 Turbocharged	2806204	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Reman Fitment notes — DENSO 2806204 Reman Fits: TT Quattroor TTS Quattro6-Speed Automatic Transmission [G1A] or 6-Speed Automatic Transmission for Four-Wheel Drive [G0R]Except start-stop system Except regenerative braking [7L3]	View on Amazon
PURE ENERGY Fits: 2.0L L4 Turbocharged	19214	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — PURE ENERGY 19214 Remanufactured without Start/Stop Feature	View on Amazon
REMY Fits: 2.0L L4 Turbocharged	16200	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — REMY 16200 Remanufactured without Engine Stop/Start Feature	View on Amazon
TERREPOWER Fits: 2.0L L4 Turbocharged	19214	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	Remanufactured Fitment notes — TERREPOWER 19214 Remanufactured without Engine Stop/Start Feature	View on Amazon

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.

Starter Solenoid

Brand	Part Number	Markets	Notes	Buy
BOSCH Fits: 2.0L L4 Turbocharged	1986SE1696	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	SOLENOID Fitment notes — BOSCH 1986SE1696 SOLENOID without Start/Stop Feature	View on Amazon

This table covers the Starter 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.

Voltage Regulator

Brand	Part Number	Markets	Notes	Buy
BOSCH Fits: 2.0L L4 Turbocharged	1986AE0028	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	From 10/2016with Bosch Unit Fitment notes — BOSCH 1986AE0028 From 10/2016with Bosch Unitwith 140 Amps Alternator	View on Amazon
BOSCH Fits: 2.0L L4 Turbocharged	1986AE0081	🇺🇸 US 🇨🇦 CA 🇲🇽 MX	To 09/2016with Bosch Unit Fitment notes — BOSCH 1986AE0081 To 09/2016with Bosch Unitwith 140 Amps Alternator	View on Amazon

This table covers the regulators that control alternator output voltage.

Buying Electrical Parts for a 2017 Audi TT

On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.

Match the engine first. Some electrical parts fit every engine; others are 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, clean or renew the battery terminals and grounds with any charging-system repair.
Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Battery and Alternator / Generator .

Frequently Asked Questions

How many electrical parts fit the 2017 Audi TT?

Our catalog currently lists 97 electrical parts for the 2017 Audi TT across 15 subcategories and 27 brands, covering both the 1.8L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part is matched to the engine(s) it fits.

Do electrical parts differ between 2017 Audi TT engines?

Some do. 5 parts fit every engine; the other 92 are engine-specific. Each row (and the filter at the top) shows which. 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 electrical problems on a 2017 Audi TT?

Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.

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 2017 Audi TT 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 2017 Audi TT?

First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2017 Audi TT

Belt Drive Body & Lamp Assembly Brake & Wheel Hub Cooling System Drivetrain Electrical Bulb & Socket Electrical Connector Electrical Switch & Relay Engine Exhaust & Emission Fuel & Air Heat & Air Conditioning Ignition Interior Steering Suspension Automatic Transmission Wheel Wiper & Washer

Electrical Parts for Other Audi TT Years

2023 Audi TT 2022 Audi TT 2021 Audi TT 2020 Audi TT 2019 Audi TT 2018 Audi TT 2016 Audi TT 2015 Audi TT

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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.

Published by AutoFactsDB from manufacturer application data. How fitment is matched Report a fitment error