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

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

Parts › Audi › TTS › Heater Bypass Valve

Used OEM Audi TTS Heater Bypass Valve

Filters

MY VEHICLE: Audi TTS

Filter Parts By

× Clear all filters

Category

Cooling / Heating / Climate (5)

Radiator / Coolant (5)

Condition

Used (5)

Part Type

ABS / Speed Sensor (17) ABS Computer / Module (4) ABS Pump (3) ABS Pump Mount / Bracket (3) AC Compressor Mount Bracket (3) AC Compressor Screw / Bolt (10) AC Compressor and Clutch (2) AC Condenser (3) AC Evaporator (2) AC Expansion Valve (5) AC Hoses / Lines and Fittings (14) AC Pressure Switch / Sensor (8) Air / Coil Spring (8) Air Quality Sensor (2) Air Spring Acceleration Sensor (1) AirBag Computer / Module (1) AirBag Crash / Impact Sensor (6) Airbag Wire / Wiring Harness (2) Alarm / Theft Control Module (4) Alarm Horn / Siren (9) Alarm Switch (2) Alternator / Generator (5) Alternator / Starter Wiring Harness (9) Alternator Bolt / Nut / Fastener (7) Alternator Mount Bracket (3) Ambient Light / Sun Sensor (1) Amp / Amplifier (4) Antenna Booster (6) Armrest / Arm Rest (6) Ashtray / Ash Tray (2) Audio Noise Suppressor / Capacitor (3) Axle / CV Shaft (9) Axle / CV Shaft Shield (1) BCM / Body Control Modules / Computers (14) Battery Cable (10) Battery Control Module / Computer (2) Battery Cover / Box (5) Battery Terminal / Junction Box (5) Battery Tray / Hold Down / Strap (1) Blank / Dummy Switch (1) Blower Motor (2) Blower Motor Resistor (6) Body Trim Bolt / Screw Cap / Cover (7) Body Wire / Wiring Harness (4) Boost Control Valve / N75 / Diverter (5) Bowden Cable (9) Brake / Clutch Switch (3) Brake Booster (2) Brake Booster Pressure Sensor (1) Brake Caliper (21) Brake Caliper / Carrier Bolts / Fasteners (6) Brake Caliper Carrier / Mount Bracket (10) Brake Dust / Splash Shield (12) Brake Fluid Reservoir / Tank (7) Brake Hose / Line (6) Brake Master Cylinder (5) Brake Pedal (6) Brake Vacuum Line / Hose (1) Brake Vacuum Pump (12) Bumper / Hood Emblem / Badge (2) Bumper Bolts (1) Bumper Grille (1) Bumper Mount Bracket (18) Bumper Reinforcement Bar / Bracket (3) Bumper Shock (4) Bumper Valance (1) CV Axle Flange Bolt (3) Cabin Air Filter Housing (1) Cam Shaft / Camshaft (16) Camshaft Adjustment Solenoid / Gear (20) Camshaft Pulley / Gear (1) Camshaft Sensor (11) Cargo / Trunk Light (2) Cargo Tie Down Hooks (4) Center Console (5) Center Console Insert (5) Center Console Mount Bracket (3) Center Console Trim (9) Chassis Vent (1) Cigarette Lighter (6) Climate / Temp Control Unit (2) Climate Air Temp Sensor (9) Climate Air Vent / Duct (7) Climate Control Wire / Wiring Harness (4) Coat Hanger / Hook (1) Coil Spring Mount / Bushing (9) Comfort Control Module / Computer / CCM (1) Comfort Control Module Wire / Wiring Harness (1) Convertible Top Latch (1) Coolant Flange (9) Coolant Hose / Pipe / Line (79) Coolant Reservoir / Tank (10) Coolant Temp Sensor / Thermal Switch (7) Cooling Fan Misc (2) Cowl / Firewall Cover (1) Crankcase / PCV Vent Valve (10) Crankshaft (3) Crankshaft Bolt (2) Crankshaft Pulley / Harmonic Balancer (5) Crankshaft Sensor (4) Cup Holder (2) Cylinder Head Bolt (3) Dash AirBag (1) Dash Bracket / Mount (3) Dash Trim (8) Dash Wire / Wiring Harness (6) Dead Pedal / Foot Rest (1) Diagnostic / CAN Bus / Gateway Computer / Module (1) Differential (4) Differential Control Module (4) Dome / Map Light (5) Door Brake / Check Rod / Hinge (1) Door Control / Door Light Unit / Module (11) Door Glass (3) Door Latch (1) Door Light (10) Door Lock Actuator (8) Door Panel (9) Door Panel Storage Area (1) Door Sill / Scuff Panel (9) Door Trim (24) Door Weather Stripping / Seal (6) Door Wire / Wiring Harness (7) Drive / Serpentine Belt (1) Drive Belt Tensioner (3) Driveshaft / Propeller Shaft (3) ESP / DTC / Traction Control Switch (1) Electric Cooling Fan (10) Electric Cooling Fan Module / Relay (1) Electric Fan Assembly (6) Engine / Motor Mount (3) Engine / Motor Mount Bracket (14) Engine Air Filter (1) Engine Air Filter Box (6) Engine Air Intake Duct (12) Engine Balancer Shaft (5) Engine Bolt / Nut / Fastener (31) Engine Control Module / ECM / ECU / DME (1) Engine Cooler Pipe / Line (1) Engine Cylinder Head and Parts (9) Engine Intake Air Temp Sensor (2) Engine Long Block (1) Engine Oil Cap (9) Engine Oil Cooler (7) Engine Oil Dipstick (7) Engine Oil Filter (2) Engine Oil Filter Housing (6) Engine Oil Level Sensor (6) Engine Oil Pan (9) Engine Oil Pump (15) Engine Plastic Cover (3) Engine Sealing Plate / Cover (11) Engine Short Block (1) Engine Timing / Cam Solenoid (6) Engine Valve / Cylinder Head Cover (6) Engine Wire / Wiring Harness (14) Evap Hoses / Lines (7) Exhaust Hardware / Clamp (5) Exhaust Manifold (3) Exhaust Motor / Servo (1) Exhaust Mount Bracket / Hanger (5) Exhaust Pipe (3) Exterior A Pillar Trim / Cover (1) Exterior Bolt / Nut / Fastener (4) Exterior Door / Window Trim (3) Exterior Door Handle (21) Fender Liner (3) Fender Mount / Bracket (5) First Aid Kit (2) Flat Tire Sealant (1) Flexplate (3) Floor Mats and Carpet (1) Flywheel (4) Flywheel / Flexplate Bolt (6) Fog Light / Lamp (1) Fog Light Bulb (1) Frame Brace / Support Bracket (1) Front Bumper Cover (1) Front Seat (10) Fuel / Gas Cap (1) Fuel Filter (1) Fuel Gauge Level Sensor / Sending Unit (2) Fuel Injector (14) Fuel Line (11) Fuel Pressure Sensor (10) Fuel Pump (3) Fuel Pump Delivery Computer / Module (3) Fuel Pump Relay (1) Fuel Rail (5) Fuse / Relay Box (14) Fuse Box Cover (5) Gas / Fuel Door Lock Actuator (5) Gas Pedal / Accelerator Module (4) Glove Box (7) Glove Box Strut / Actuator (2) Grab Handle (3) HVAC Box Parts and Servos (7) Hazard Switch (1) Headlight / Head Lamp / Light (1) Headlight / Suspension Leveling Sensor (6) Headlight Ballast / Igniter (5) Headlight Bulb (2) Headlight Bulb Cover / Cap (5) Headlight Control Module / Computer (11) Headlight Switch (1) Headlight Washer / Sprayer Jet (1) Headlight Washer Pump (3) Headrest (4) Heat Shield (10) Heater Bypass Valve (5) Heater Core (1) High Pressure Fuel Pump / HPFP (2) Homelink / Garage Door Module (9) Hood Grille (1) Hood Hinge (3) Hood Insulation Blanket (2) Hood Latch Release Cable (1) Hood Latch Release Lever / Switch (3) Hood Shock / Strut (2) Hood Stop / Adjustment Bumper (3) Hood Weather Stripping / Seal (3) Horn (3) Idler Pulley (1) Ignition Coil / Pack (16) Ignition Switch (5) Illumination / Dimmer Switch (2) Immo / Immobilizer Module (1) Instrument Cluster / Speedometer (7) Instrument Cluster Trim (2) Intake Manifold and Parts (14) Interior Bolt / Screw Cap / Cover (3) Interior Door Handle (5) Interior Fasteners / Clips (3) Interior Light (18) Interior Parking Brake Handle (6) Kessy / Keyless Entry Antenna (7) Kick Panel (2) Knee AirBag (3) Knee Panel (1) Knock Sensor (6) LCD Screen / Info Display (1) Lane / Park Assist Camera (2) Leak Detection Pump / LDP (12) License Plate Light (3) License Plate Mount / Bracket (1) Light / Headlight Wire / Wiring Harness (4) Lock / Unlock Switch (5) Lower Control Arm (16) Lower Hood Latch (1) Lower Pillar (2) Lug Nut Covers (2) Lug Nuts / Bolts (1) MAF / Mass Air Flow Sensor / Meter (3) MAP / Intake Manifold Pressure Sensor (10) MMI Center Control Unit (2) MMI Control Module / Computer (6) Mirror Switch (6) Misc Connector / Plug (29) Mud Flap / Spoiler (4) Muffler (1) Multifunction Relay (14) Music Interface Cable (3) Navigation / NAV Unit (1) Navigation Wire / Wiring Harness (1) Oil Pressure Sensor (14) Oil Sump Windage Tray (2) Onboard Power Supply Control Module / Unit (15) Other / Misc Wire / Wiring Harness (63) Other Relay (7) Owners Manual (1) Oxygen / O2 Sensor (9) Park Assist Sensor (10) Parking Aid / Assist Control Module / Computer (2) Parking Brake Cable (2) Parking Brake Lever (5) Parking Brake Switch (2) Piston / Connecting Rod (11) Power Outlet (10) Power Steering Gear / Rack (8) Power Steering Wiring Harness (4) Purge Valve (3) Quarter Glass (2) Quarter Panel (1) Radiator (3) Radiator / Core Support Mount Bracket (1) Radiator Air Guide / Duct (2) Radiator Coolant Hose (12) Radiator Holding Clip / Pin / Bracket (4) Radio / Stereo (2) Radio / Stereo / Amplifier Wire / Wiring Harness (4) Rain Sensor (2) Rain Tray / Water Deflector (2) Rear Bumper Cover (1) Rear Seat (7) Rear Seat Panel / Net (2) Rear View Mirror (3) Rocker Arm (1) Roof Antenna / Shark Fin (4) Rubber Jounce Bumper (1) Satellite Radio Module / Computer (4) Seat Adjustment Handle / Lever (3) Seat Belts (11) Seat Buckles / Receivers (6) Seat Light (1) Seat Motor (13) Seat Occupant Detection Module / Sensor (2) Seat Rail / Frame (4) Seat Switch (4) Seat Trim (14) Secondary Air Pump (4) Shift Cable / Linkage (3) Shifter Assembly (3) Shifter Display Unit (1) Side View Mirror (5) Sound Absorber (2) Sound Generator (1) Spare Tire Air Compressor (1) Speaker / Subwoofer (13) Speaker Grille / Cover (9) Spindle / Knuckle (5) Stabilizer / Sway / Track Bar (6) Starter (6) Starter Bolt / Nut / Fastener (1) Steering Angle Sensor (1) Steering Column (3) Steering Column Control Module (1) Steering Column Trim (9) Steering Tie Rod (4) Steering Wheel (2) Steering Wheel AirBag (1) Steering Wheel Switch / Button (1) Storage Tray / Card / Coin Holder (7) Strut / Shock Absorber (2) Strut / Shock Mount / Bushing (4) SubFrame / Sub Frame (2) Sun Visor and Components (13) Suspension Bolt / Nut / Fastener (7) Suspension Computer / Control Module / Air Ride (2) Sway / Stabilizer Bar End Link (4) TPMS / Tire Pressure Switch (1) Tail Light / Lamp (3) Tail Light Bulb (1) Tail Light Wire / Wiring Harness (10) Telephone / Telematics Control Module / Computer (3) Thermostat (10) Thermostat Housing (9) Throttle Body (7) Tie Rod Boot / Bellow (2) Timing Belt / Chain (1) Timing Belt / Chain Covers (13) Timing Belt / Chain Tensioner (12) Timing Belt Idler (1) Timing Chain Guide / Rail (11) Timing Gear / Pulley (10) Tire Pressure Monitoring Computer / Module (1) Tools (3) Tow / Towing Hook (2) Transfer Case / Box (1) Transmission Bell Housing Spacer (3) Transmission Mount (5) Transmission Mount Bracket (2) Transmission Oil Cooler (5) Transmission Oil Filter (3) Transmission Oil Pan (3) Transmission Oil Pump (3) Transmission Screw / Bolt / Fastener (1) Transmission Wire / Wiring Harness (3) Trunk / Hatch Access Panel (2) Trunk / Hatch Emblem / Badge (2) Trunk / Hatch Hinge (1) Trunk / Hatch Shock / Strut / Spring (1) Trunk / Hatch Spoiler (3) Trunk / Hatch Switch (1) Trunk / Hatch Trim (3) Trunk Latch (8) Trunk Latch Cover (2) Trunk Latch Release Cable (3) Trunk Mat / Carpet Spare Cover (2) Trunk Release Switch / Handle (1) Trunk Weather Stripping / Seal (2) Turbo / Supercharger Intercooler (3) Turbo Mount / Bracket (2) Turbocharger (18) Turbocharger Coolant Line (6) Turbocharger Intercooler Hose (33) Turbocharger Oil Line (20) Turbocharger Wastegate / Actuator (7) Turbocharger Wastegate / Vacuum Lines (2) Underbody / Under Panel Mount Fastener (1) Upper Control Arm (2) Upper Pillar (6) VSS / Transmission Speed Sensor (2) Vacuum / Crankcase Breather Hose / Line (26) Vacuum Solenoid Valve (10) Valve Body / Mechatronic (2) Washer Hose (12) Water / Coolant Pump (33) Water Drain Hose / Line (2) Water Pump Mount Bracket (4) Wheel Bearing (9) Wheel Center Caps (4) Wheels / Rims (4) Window Motor (9) Window Regulator (2) Window Switch (7) Windshield Sprayer / Nozzle (12) Windshield Washer Pump (4) Windshield Washer Tank / Reservoir (4) Windshield Wiper Screw / Nut Cap (2) Wiper / Turn Signal / Cruise Stalks / Switch (3) Wiper Arm (2) Wiper Motor (1) Wiper Transmission (3) Wiring Organizer / Mount Bracket (2) YAW / ESP Sensor (3)

Items 1-5 of 5

Results

Coolant / Heater Bypass Solenoid Valve 4H0121670A

Coolant / Heater Bypass Solenoid Valve

Starting at $18.99

Fits 2011–2026 Audi & Porsche

OEM: 4H0121670A

Heater Control Valve 5Q0906457B

Heater Control Valve

Fits 2015–2024 Audi, Porsche + more

OEM: 5Q0906457B

Heater Control Valve 5Q0906457K

Heater Control Valve

Starting at $30.99

Fits 2015–2026 Audi, Porsche + more

OEM: 5Q0906457K

Heater Control Valve Unit 4H0121671D

Heater Control Valve Unit

Starting at $9.49

Fits 2010–2025 Audi, Porsche + more

OEM: 4H0121671D Porsche: PAB12167100

Heater Control Valve Unit 4H0121671B

Heater Control Valve Unit

Fits 2010–2024 Audi, Porsche + more

OEM: 4H0121671B

Shop Heater Bypass Valve by Year

2016 4 parts 2017 4 parts 2018 4 parts 2019 4 parts 2020 4 parts 2021 3 parts 2022 3 parts 2023 3 parts

Shop Audi TTS by Year

2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009

★ eBay Top Rated · 100,000+ positive ratings · Hundreds of 5★ Google reviews · 400,000+ parts shipped · Family-run since 2011 · Free shipping & 30-day returns Most items ship free to the lower 48 and include 30-day returns. Oversized freight items ship at a flat rate; as-is clearance items are final sale.

Company

About
Contact
Sell Your Car

Customer Service

My Account
Warranty & Returns

Visit Us

127 6th St S
Waverly, MN 55390

Mon–Thu: 8am–5pm CT
Fri: 8am–2pm CT

Popular Parts

Audi Coolant Hose / Pipe / Line
Audi Door Trim
Audi Other / Misc Wire / Wiring Harness
BMW Door Trim
Porsche Coolant Hose / Pipe / Line
Volkswagen Coolant Hose / Pipe / Line
Audi Door Weather Stripping / Seal
Audi Door Wire / Wiring Harness
Audi Dash Trim
BMW Coolant Hose / Pipe / Line
Audi Seat Trim
Volkswagen Door Trim

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