Gates TL300 Turbocharger Coolant Line - Return

Brand	Gates TL300
Position	Return
Material	Steel, rubber
Centerline Length	25
Centerline Length	635
Grade Type	Oe exact
Inlet Fitting Type	Push on
Outlet Fitting Type	Bolt on
Contents	Turbocharger coolant drain line
Type	Turbocharger coolant drain line
Product line	Turbocharger Coolant Line
Fits	Audi and Volkswagen · 24 vehicles

OE exact fit. Built as a direct coolant line replacement with push-on and bolt-on ends.

Steel and rubber construction. Handles turbocharger heat while helping resist leaks.

Coolant drain line. Carries coolant to and from the turbocharger system.

Cross-references Gates TL300, 06K 121 085A and 06K 121 085L for the same application. See all 5.

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Not what you need? See all Turbocharger Coolant Line options

Turbocharger Coolant Line for OE-Style Repair

The Gates TL300 turbocharger coolant line is built for coolant flow to and from the turbocharger on select Audi and Volkswagen applications. With steel and rubber construction and OE Exact grade type, it supports a direct-fit repair for the turbocharger coolant return circuit.

Gates Turbocharger Coolant Line TL300 is a turbocharger coolant drain line designed for vehicles that need a precise replacement for the factory coolant routing. It is engineered for the high heat environment around the turbocharger and uses an inlet push-on fitting with an outlet bolt-on connection for OE-style serviceability.

Key Features

OE Exact grade turbocharger coolant line for factory-style fit and function
Steel and rubber construction for coolant conveyance in high-temperature turbocharger systems
Push-on inlet fitting and bolt-on outlet fitting
Centerline length: 25 in. / 635 mm
Designed as a turbocharger coolant drain line for return-side service
Gates TL300 part number for direct identification

Vehicle Fitment

Fits 2019-2020 Audi A3, Return
Fits 2019-2020 Audi A3 Quattro, Return
Fits 2015-2016 Audi A3 Quattro, Return
Fits 2019 Audi TT Quattro, Return
Fits 2016 Audi TT Quattro, Return
Fits 2019 Audi TTS Quattro, Return
Fits 2016 Audi TTS Quattro, Return
Fits 2015-2017 Volkswagen Golf, Return
Fits 2017 Volkswagen Golf Alltrack, Return
Fits 2015-2017 Volkswagen Golf R, Return
Fits 2015-2017 Volkswagen Golf SportWagen, Return
Fits 2015-2017 Volkswagen GTI, Return
Fits 2016 Audi TT, Return

What This Part Helps Address

Coolant leakage at the turbocharger return line
Cracked, heat-damaged, or deteriorated coolant tubing
Restricted coolant flow through the turbocharger circuit
Fitment issues caused by non-OE-style replacement lines
Service repairs on turbocharged Audi and Volkswagen models

Installation Notes and Tips

Confirm the vehicle’s turbocharger coolant return line routing, fitting style, and centerline length before installation. This part cross-references Gates TL300 for the same application. Verify the OE-style connection points on the vehicle and inspect adjacent coolant components for heat damage or seepage during replacement.

Quality Assurance

Gates designs this turbocharger coolant line for coolant conveyance in demanding turbocharger environments, with construction selected to handle elevated temperatures and help maintain a secure, leak-resistant connection.

This part fits 24 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2020	Audi	A3	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2020	Audi	A3 Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2019	Audi	A3	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2019	Audi	A3 Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2019	Audi	TT Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2019	Audi	TTS Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2017	Volkswagen	Golf	1.8L	L4	GAS	Return	Turbocharger Coolant Line
2017	Volkswagen	Golf Alltrack	1.8L	L4	GAS	Return	Turbocharger Coolant Line
2017	Volkswagen	Golf R	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2017	Volkswagen	Golf SportWagen	1.8L	L4	GAS	Return	Turbocharger Coolant Line
2017	Volkswagen	GTI	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2016	Audi	A3 Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2016	Audi	TT	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2016	Audi	TT Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2016	Audi	TTS Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2016	Volkswagen	Golf	1.8L	L4	GAS	Return	Turbocharger Coolant Line
2016	Volkswagen	Golf R	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2016	Volkswagen	Golf SportWagen	1.8L	L4	GAS	Return	Turbocharger Coolant Line
2016	Volkswagen	GTI	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2015	Audi	A3 Quattro	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2015	Volkswagen	Golf	1.8L	L4	GAS	Return	Turbocharger Coolant Line
2015	Volkswagen	Golf R	2.0L	L4	GAS	Return	Turbocharger Coolant Line
2015	Volkswagen	Golf SportWagen	1.8L	L4	GAS	Return	Turbocharger Coolant Line
2015	Volkswagen	GTI	2.0L	L4	GAS	Return	Turbocharger Coolant Line
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Directly replaces or cross-references 5 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Gates — TL30006K 121 085A06K 121 085L06K 121 085M06K121492F