Audi BMW Mercedes-Benz Porsche Volkswagen Land Rover New Arrivals Sell Your Car

Audi BMW Mercedes-Benz Porsche Volkswagen Land Rover New Arrivals Sell Your Car

Parts › Audi › A4 › 2019 › Coolant Hose / Pipe / Line

2019 Audi A4 Coolant Hose / Pipe / Line - Used OEM

Filters

MY VEHICLE: 2019 Audi A4

Filter Parts By

× Clear all filters

Cooling / Heating / Climate (29)

Radiator / Coolant (29)

Used (29)

Left (1)

ABS / Speed Sensor (8) ABS Computer / Module (5) ABS Pump (5) ABS Pump Mount / Bracket (2) AC Compressor Mount Bracket (2) AC Compressor Screw / Bolt (5) AC Compressor and Clutch (1) AC Evaporator (2) AC Expansion Valve (2) AC Hoses / Lines and Fittings (8) AC Pressure Switch / Sensor (4) Air / Coil Spring (7) Air Quality Sensor (4) AirBag Computer / Module (9) AirBag Crash / Impact Sensor (4) Airbag Wire / Wiring Harness (6) Alarm Horn / Siren (7) Alternator / Generator (1) Alternator / Starter Wiring Harness (3) Alternator Bolt / Nut / Fastener (5) Alternator Mount Bracket (2) Ambient Light / Sun Sensor (3) Amp / Amplifier (5) Antenna Booster (8) Armrest / Arm Rest (22) Audio Noise Suppressor / Capacitor (1) Axle / CV Shaft (5) Axle / CV Shaft Shield (6) BCM / Body Control Modules / Computers (10) Battery Air Duct / Tube (2) Battery Cable (7) Battery Control Module / Computer (4) Battery Cover / Box (6) Battery Terminal / Junction Box (8) Battery Tray / Hold Down / Strap (4) Belly Pan / Splash Shield (1) Blank / Dummy Switch (4) Blower Motor (6) Body Trim Bolt / Screw Cap / Cover (3) Body Wire / Wiring Harness (1) Boost Control Valve / N75 / Diverter (5) Bowden Cable (5) Brake / Clutch Switch (4) Brake Booster (3) Brake Booster Pressure Sensor (1) Brake Caliper (8) Brake Caliper / Carrier Bolts / Fasteners (9) Brake Caliper Carrier / Mount Bracket (11) Brake Dust / Splash Shield (9) Brake Fluid Reservoir / Tank (5) Brake Hose / Line (4) Brake Master Cylinder (1) Brake Pad / Shoe (2) Brake Pedal (3) Brake Vacuum Line / Hose (3) Brake Vacuum Pump (3) Bumper Bolts (1) Bumper Mount Bracket (9) Bumper Reinforcement Bar / Bracket (3) Bumper Trim (2) Bumper Valance (4) CD / DVD Changer (2) CV Axle Flange Bolt (4) Cabin Air Filter Housing (3) Cam Shaft / Camshaft (6) Camera Control Module (7) Camshaft Adjustment Solenoid / Gear (16) Camshaft Sensor (6) Cargo Tie Down Hooks (3) Center Console (4) Center Console Insert (3) Center Console Mount Bracket (3) Center Console Trim (27) Charcoal Fuel Vapor Canister (5) Chassis Vent (3) Child Restraint / Hook Cover / Cap (3) Cigarette Lighter (3) Climate / Temp Control Unit (7) Climate Air Temp Sensor (4) Climate Air Vent / Duct (13) Climate Control Wire / Wiring Harness (2) Coil Spring Mount / Bushing (5) Comfort Control Module / Computer / CCM (5) Compact Spare Wheel / Tire (1) Convertible Top Switch (1) Coolant Flange (3) Coolant Hose / Pipe / Line (29) Coolant Reservoir / Tank (3) Coolant Temp Sensor / Thermal Switch (6) Cooling Fan Misc (1) Cowl / Firewall Cover (3) Crankcase / PCV Vent Valve (5) Crankshaft (2) Crankshaft Bolt (3) Crankshaft Pulley / Harmonic Balancer (4) Crankshaft Sensor (3) Cruise Control Module / Computer (2) Cup Holder (7) Cylinder Head Bolt (4) Dash Bracket / Mount (4) Dash Trim (29) Dash Wire / Wiring Harness (10) Dead Pedal / Foot Rest (3) Deck Lid / Trunk / Hatch (1) Diagnostic / CAN Bus / Gateway Computer / Module (12) Differential (2) Differential Control Module (2) Differential Mount Bracket (1) Dome / Map Light (11) Door Brake / Check Rod / Hinge (7) Door Control / Door Light Unit / Module (23) Door Frame (1) Door Glass (3) Door Latch (2) Door Light (19) Door Lock Actuator (7) Door Mount / Bracket (1) Door Panel (21) Door Panel Storage Area (2) Door Shell / Skin (1) Door Sill / Scuff Panel (5) Door Trim (55) Door Weather Stripping / Seal (14) Door Wire / Wiring Harness (19) Drive / Serpentine Belt (1) Drive Belt Tensioner (1) Drive Select Switch (3) ECU / Engine Control Module Housing / Cover (1) ESP / DTC / Traction Control Switch (3) Electric Cooling Fan (3) Electric Fan Assembly (1) Electric Vehicle Battery (2) Emergency Call Button / SOS Switch (2) Engine / Motor Mount (1) Engine / Motor Mount Bracket (16) Engine Air Filter Box (1) Engine Air Intake Duct (1) Engine Balancer Shaft (4) Engine Bolt / Nut / Fastener (31) Engine Control Module / ECM / ECU / DME (3) Engine Cooler Pipe / Line (2) Engine Cylinder Head and Parts (3) Engine Oil Cap (6) Engine Oil Cooler (2) Engine Oil Dipstick (3) Engine Oil Filter (2) Engine Oil Filter Housing (2) Engine Oil Level Sensor (2) Engine Oil Pan (6) Engine Oil Pump (3) Engine Plastic Cover (2) Engine Sealing Plate / Cover (7) Engine Short Block (2) Engine Start / Stop Switch (1) Engine Timing / Cam Solenoid (6) Engine Valve / Cylinder Head Cover (1) Engine Wire / Wiring Harness (5) Evap Hoses / Lines (1) Exhaust Hardware / Clamp (4) Exhaust Manifold (1) Exhaust Mount Bracket / Hanger (8) Exhaust Pipe (2) Exterior B Pillar Trim / Cover (3) Exterior Bolt / Nut / Fastener (4) Exterior C Pillar Trim / Cover (2) Exterior Door / Window Trim (4) Exterior Door Handle (15) Fender (2) Fender Emblem / Badge (1) Fender Liner (4) Fender Mount / Bracket (7) First Aid Kit (1) Flexplate (2) Floor Mats and Carpet (3) Flywheel (5) Flywheel / Flexplate Bolt (5) Fog Light Switch (6) Frame Brace / Support Bracket (5) Front Seat (20) Fuel / Gas Cap (3) Fuel Injector (12) Fuel Line (13) Fuel Pressure Sensor (9) Fuel Pump (3) Fuel Pump Delivery Computer / Module (4) Fuel Rail (6) Fuse / Relay Box (25) Fuse Box Cover (9) Gas / Fuel Door Lock Actuator (4) Gas / Fuel Filler Door (2) Gas Pedal / Accelerator Module (3) Glove Box (6) Glove Box Strut / Actuator (1) Grab Handle (13) HVAC Box Parts and Servos (4) Hatch Lift Pump / Motor Module (3) Hazard Switch (1) Head / Heads Up Display / HUD (1) Headlight / Head Lamp / Light (1) Headlight / Suspension Leveling Sensor (5) Headlight Ballast / Igniter (2) Headlight Bulb (1) Headlight Control Module / Computer (3) Headlight Switch (10) Headlight Washer Pump (1) Headliner / Roof Trim (3) Headrest (12) Heat Shield (6) Heater Bypass Valve (2) Heater Core (3) Heater Core Hose (1) High Pressure Fuel Pump / HPFP (4) Homelink / Garage Door Module (6) Hood Insulation Blanket (2) Hood Latch Release Cable (1) Hood Latch Release Lever / Switch (4) Hood Shock / Strut (3) Hood Stop / Adjustment Bumper (1) Hood Weather Stripping / Seal (3) Horn (4) Humidity Sensor (2) Ignition Coil / Pack (11) Ignition Switch w/ Key / Cylinder (2) Instrument Cluster / Speedometer (13) Intake Manifold and Parts (12) Interior Bolt / Screw Cap / Cover (3) Interior Door Handle (8) Interior Fasteners / Clips (3) Interior Light (24) Kessy / Keyless Entry Antenna (7) Key / Key Fob (1) Knee AirBag (2) Knee Panel (3) Knock Sensor (3) LCD Screen / Info Display (10) Lane / Park Assist Camera (2) Lane Change Assist Module / Computer (12) Leak Detection Pump / LDP (4) License Plate Light (2) License Plate Mount / Bracket (1) Light / Headlight Wire / Wiring Harness (2) Lock / Unlock Switch (10) Lower Control Arm (9) Lower Pillar (9) Lug Nut Covers (5) Lug Nuts / Bolts (2) MAF / Mass Air Flow Sensor / Meter (1) MAP / Intake Manifold Pressure Sensor (5) MMI Center Control Unit (16) MMI Control Module / Computer (9) Mirror Switch (4) Misc Connector / Plug (43) Motion Detector / Sensor (2) Multifunction Relay (8) Music Interface Cable (1) Navigation / NAV Unit (2) Navigation Wire / Wiring Harness (1) Oil Pressure Sensor (10) Onboard Power Supply Control Module / Unit (11) Other / Misc Wire / Wiring Harness (69) Other Relay (6) Oxygen / O2 Sensor (7) Park Assist Sensor (2) Park Assist Switch (2) Parking Brake Cable (4) Parking Brake Switch (2) Pedal Cluster (1) Piston / Connecting Rod (5) Power Outlet (8) Power Steering Gear / Rack (1) Power Steering Wiring Harness (2) Pressure Plate / Clutch (1) Purge Valve (2) Radar / Distance Sensor (2) Radiator (2) Radiator / Core Support Mount Bracket (1) Radiator Coolant Hose (3) Radiator Holding Clip / Pin / Bracket (3) Radio / Stereo (1) Radio / Stereo / Amplifier Wire / Wiring Harness (4) Rain Sensor (4) Rain Tray / Water Deflector (6) Rear Bumper Cover (1) Rear Seat (8) Rear Seat Panel / Net (3) Rear View Mirror (3) Roof Antenna / Shark Fin (1) Roof Weather Stripping / Seal (1) Seat / Memory Control Module / Computer (3) Seat Adjustment Handle / Lever (3) Seat Belts (10) Seat Buckles / Receivers (3) Seat Cooling Fan (2) Seat Fasteners / Clips (2) Seat Light (1) Seat Memory Switch (1) Seat Motor (5) Seat Mount / Bracket (2) Seat Occupant Detection Module / Sensor (1) Seat Rail / Frame (4) Seat Sets (1) Seat Switch (13) Seat Trim (18) Seat Wire / Wiring Harness (10) Secondary Air Pump (1) Shifter Assembly (3) Shifter Display Unit (5) Shifter Knob / Boot (4) Side Marker Lights / Reflectors (2) Side View Mirror (4) Sound Absorber (5) Sound Generator (1) Spare Tire Air Compressor (1) Spare Tire Tie Down (3) Speaker / Subwoofer (18) Speaker Grille / Cover (19) Spindle / Knuckle (13) Stabilizer / Sway / Track Bar (4) Starter (4) Steering Column (2) Steering Column Adjustment Lever / Switch (1) Steering Column Trim (4) Steering Tie Rod (4) Steering Wheel (13) Steering Wheel AirBag (2) Steering Wheel Switch / Button (12) Stone Guard (4) Storage Tray / Card / Coin Holder (10) Strut / Shock Absorber (10) Strut / Shock Mount / Bushing (11) Strut Tower Brace (2) Sub Frame Mount / Bracket (2) Suction Pump (1) Sun Roof / Glass (2) Sun Roof Switch (7) Sun Visor and Components (5) Sunroof / Sun Roof Control Module (2) Sunroof / Sun Roof Motor (2) Suspension Bolt / Nut / Fastener (7) Suspension Computer / Control Module / Air Ride (2) Sway / Stabilizer Bar End Link (5) Tail Light / Lamp (1) Tail Light Bulb (1) Tail Light Wire / Wiring Harness (7) Telephone / Telematics Control Module / Computer (14) Thermostat (3) Thermostat Housing (2) Throttle Body (6) Tie Rod Boot / Bellow (5) Timing Belt / Chain (2) Timing Belt / Chain Covers (6) Timing Belt / Chain Tensioner (7) Timing Chain Guide / Rail (9) Timing Gear / Pulley (9) Tools (5) Tow / Towing Hook (2) Transfer Case / Box (3) Transfer Case / Box Motor (1) Transfer Case Control Module (1) Transmission Axle Flange (3) Transmission Case / Housing (1) Transmission Cooler Line / Pipe (3) Transmission Gear Position Switch (1) Transmission Gears and Cylinders (1) Transmission Mount (4) Transmission Mount Bracket (11) Transmission Oil Cooler (3) Transmission Oil Pan (2) Transmission Screw / Bolt / Fastener (2) Trunk / Hatch Access Panel (4) Trunk / Hatch Emblem / Badge (2) Trunk / Hatch Hinge (2) Trunk / Hatch Module (4) Trunk / Hatch Stop / Adjustment (5) Trunk / Hatch Switch (2) Trunk / Hatch Trim (7) Trunk Latch (1) Trunk Latch Cover (1) Trunk Mat / Carpet Spare Cover (1) Trunk Release Switch / Handle (3) Trunk Weather Stripping / Seal (1) Turbo / Supercharger Intercooler (1) Turbo Mount / Bracket (2) Turbocharger (9) Turbocharger Coolant Line (4) Turbocharger Intercooler Hose (2) Turbocharger Oil Line (10) USB Port / Connector (4) Underbody / Under Panel Mount Fastener (2) Underbody Panels / Skid Plate (2) Upper Control Arm (11) Upper Hood Latch (1) Upper Pillar (12) Vacuum / Crankcase Breather Hose / Line (13) Vacuum Solenoid Valve (3) Valet Switch (2) Valve Body / Mechatronic (3) Voltage Stabilizer Module (1) Washer Hose (1) Water / Coolant Pump (12) Water Drain Hose / Line (2) Water Pump Mount Bracket (1) Wheel Bearing (9) Wheel Center Caps (3) Window Motor (8) Window Regulator (7) Window Switch (10) Windshield Sprayer / Nozzle (7) Windshield Washer Pump (4) Windshield Washer Tank / Reservoir (2) Windshield Wiper Screw / Nut Cap (2) Wiper Arm (2) Wiper Motor (2) Wiper Transmission (2) Wiring Organizer / Mount Bracket (5)

Items 1-24 of 29

Results

Coolant Hose Adapter / Breather 06K121143

Coolant Hose Adapter / Breather

Starting at $9.99

Coolant Flange / Quick Adapter 7M3122291

Coolant Flange / Quick Adapter

Used Only 1 left

Turbocharger Coolant / Water Return Pipe 06N121492

Turbocharger Coolant / Water Return Pipe

OEM: 06N121492 Porsche: 9A7121492A

Used Only 1 left

Coolant T Hose Adapter / Connector N90692901

Coolant T Hose Adapter / Connector

Coolant Reservoir Breather Hose / Line 06L121081K

Coolant Reservoir Breather Hose / Line

OEM: 06L121081K Porsche: 95812108110

Coolant Pipe / Line / Tube 06L121075S

Coolant Pipe / Line / Tube

Starting at $17.99

OEM: 06L121075S

Coolant Flange / Adapter N906929

Coolant Flange / Adapter

Starting at $6.99

Coolant Hose / Line / Tube 06L121085AF

Coolant Hose / Line / Tube

Starting at $14.99

OEM: 06L121085AF

Coolant / Water Hose 8W0819334AR

Coolant / Water Hose

Starting at $13.49

OEM: 8W0819334AR

Coolant Hose / Line Set 8W0122445C

Coolant Hose / Line Set

Starting at $27.99

OEM: 8W0122445C

Coolant Hose Adapter / Connector 8W0121089G

Coolant Hose Adapter / Connector

OEM: 8W0121089G

Coolant Reservoir Breather Hose / Line 8W0121081EE

Coolant Reservoir Breather Hose / Line

OEM: 8W0121081EE

Used Only 1 left

Heater Coolant Hose / Line (INLET) 8W1819350B

Heater Coolant Hose / Line (INLET)

Starting at $7.49

OEM: 8W1819350B

HVAC Heater Coolant Hose / Line 8W1819373AA

HVAC Heater Coolant Hose / Line

Starting at $8.49

OEM: 8W1819373AA

Coolant Hose / Line 8W0122448AA

Coolant Hose / Line

Starting at $12.13

OEM: 8W0122448AA

Heater Coolant Hose / Line (OUTLET) 8W1819373C

Heater Coolant Hose / Line (OUTLET)

Starting at $13.71

OEM: 8W1819373C

Coolant Hose / Line 06L121051C

Coolant Hose / Line

Starting at $10.49

OEM: 06L121051C Porsche: 95812105100

Coolant Vent Hose / Line 06L121081AD

Coolant Vent Hose / Line

Starting at $19.99

OEM: 06L121081AD

Coolant Hose / Line 8W0122073F

Coolant Hose / Line

Starting at $11.49

OEM: 8W0122073F

Coolant Hose / Line Set 8W0122449BC

Coolant Hose / Line Set

OEM: 8W0122449BC

Used Only 1 left

Coolant Reservoir Breather Hose 06L121081K

Coolant Reservoir Breather Hose

OEM: 06L121081K

Used Only 1 left

Coolant Hose / Line Grommet 8W0122291AK

Coolant Hose / Line Grommet

OEM: 8W0122291AK

Used Left Only 1 left

Coolant Hose / Line 8W0121400B

Coolant Hose / Line

OEM: 8W0121400B

Coolant Hose / Line 8W0122448P

Coolant Hose / Line

OEM: 8W0122448P

Previous 1 2 Next

More 2019 Audi A4 Part Types

Other / Misc Wire / Wiring Harness 69 parts Door Trim 55 parts Misc Connector / Plug 43 parts Engine Bolt / Nut / Fastener 31 parts Dash Trim 29 parts Center Console Trim 27 parts Fuse / Relay Box 25 parts Interior Light 24 parts Door Control / Door Light Unit / Module 23 parts Armrest / Arm Rest 22 parts Door Panel 21 parts Front Seat 20 parts Door Light 19 parts Door Wire / Wiring Harness 19 parts Speaker Grille / Cover 19 parts Seat Trim 18 parts Speaker / Subwoofer 18 parts Camshaft Adjustment Solenoid / Gear 16 parts Engine / Motor Mount Bracket 16 parts MMI Center Control Unit 16 parts Exterior Door Handle 15 parts Door Weather Stripping / Seal 14 parts Telephone / Telematics Control Module / Computer 14 parts Climate Air Vent / Duct 13 parts

Other Years for Audi A4 Coolant Hose / Pipe / Line

2017 29 parts 2018 29 parts 2013 27 parts 2020 27 parts 2021 27 parts 2022 27 parts 2014 26 parts 2015 26 parts 2023 26 parts 2024 26 parts 2016 24 parts 2009 20 parts 2012 14 parts 2011 13 parts 2010 12 parts 2025 11 parts 1999 9 parts 2000 9 parts 2001 9 parts 1998 6 parts 2005 6 parts 2006 6 parts 2007 5 parts 2008 5 parts

400,000+ parts shipped · 250,000+ customers served · Hundreds of 5★ Google reviews · Family-run since 2011 · Free shipping & 30-day returns Free ground shipping to the lower 48 on standard parcels over $10. Oversized freight ships at a flat rate. 30-day returns except As-Is items. If the return is our fault, the label is on us.

Company

About
Our Salvage Yard
New Arrivals
DIY Guides
Contact
Sell Your Car

Customer Service

My Account
Shipping
Returns
Privacy Policy
Terms of Service

Visit Us

127 6th St S
Waverly, MN 55390

Mon–Thu: 8am–5pm CT
Fri: 8am–2pm CT

Popular Parts

Used BMW Parts
Used Mercedes-Benz Parts
Used Audi Parts
Used Volkswagen Parts
Used Porsche Parts
Used Land Rover Parts
Audi Coolant Hose / Pipe / Line
Audi Door Trim
Audi Other / Misc Wire / Wiring Harness
Volkswagen Coolant Hose / Pipe / Line
Porsche Coolant Hose / Pipe / Line
BMW Door Trim

© 2010–present Wolf Auto LLC · Not affiliated with any OEM

Your cart