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

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

Parts › Audi › S8 › 2018 › Heater Bypass Valve

2018 Audi S8 Heater Bypass Valve - Used OEM

Filters

MY VEHICLE: 2018 Audi S8

Filter Parts By

× Clear all filters

Category

Cooling / Heating / Climate (4)

Radiator / Coolant (4)

Condition

Used (4)

Part Type

ABS / Speed Sensor (5) ABS Computer / Module (3) ABS Pump (2) ABS Pump Mount / Bracket (1) AC Compressor Mount Bracket (1) AC Compressor Screw / Bolt (7) AC Compressor and Clutch (2) AC Evaporator (2) AC Expansion Valve (2) AC Hoses / Lines and Fittings (9) AC Pressure Switch / Sensor (4) Air / Coil Spring (2) Air Quality Sensor (2) AirBag Computer / Module (2) AirBag Crash / Impact Sensor (4) Airbag Warning Light / Switch (1) Airbag Wire / Wiring Harness (4) Alarm Horn / Siren (4) Alternator / Generator (1) Alternator / Starter Wiring Harness (2) Alternator Bolt / Nut / Fastener (3) Ambient Light / Sun Sensor (1) Amp / Amplifier (4) Antenna Booster (2) Armrest / Arm Rest (17) Audio Noise Suppressor / Capacitor (2) Axle / CV Shaft (2) Axle / CV Shaft Shield (6) BCM / Body Control Modules / Computers (2) Battery Cable (1) Battery Control Module / Computer (2) Battery Cover / Box (4) Battery Terminal / Junction Box (3) Blower Motor (1) Blower Motor Resistor (2) Body Trim Bolt / Screw Cap / Cover (6) Body Wire / Wiring Harness (2) Boost Control Valve / N75 / Diverter (3) Bowden Cable (9) Brake / Clutch Switch (1) Brake Caliper (7) Brake Caliper / Carrier Bolts / Fasteners (4) Brake Caliper Carrier / Mount Bracket (4) Brake Dust / Splash Shield (5) Brake Fluid Reservoir / Tank (3) Brake Pad / Shoe (1) Brake Pedal (3) Brake Vacuum Line / Hose (5) Brake Vacuum Pump (2) Bumper Mount Bracket (4) Bumper Reinforcement Bar / Bracket (6) CV Axle Flange Bolt (3) Cabin Air Filter Housing (4) Cam Shaft / Camshaft (5) Camera Control Module (3) Camshaft Adjustment Solenoid / Gear (5) Camshaft Sensor (4) Cargo / Trunk Light (2) Cargo Tie Down Hooks (5) Center Console (1) Center Console Insert (2) Center Console Trim (12) Charcoal Fuel Vapor Canister (4) Child Restraint / Hook Cover / Cap (2) Cigarette Lighter (6) Climate / Temp Control Unit (3) Climate Air Temp Sensor (9) Climate Air Vent / Duct (15) Climate Control Wire / Wiring Harness (2) Coat Hanger / Hook (1) Comfort Control Module / Computer / CCM (2) Comfort Control Module Wire / Wiring Harness (1) Computer / Module Mount Bracket (1) Control Arm Bushing (1) Coolant Hose / Pipe / Line (42) Coolant Reservoir / Tank (1) Coolant Temp Sensor / Thermal Switch (5) Cowl / Firewall Cover (1) Crankcase / PCV Vent Valve (1) Crankshaft (3) Crankshaft Bolt (1) Crankshaft Pulley / Harmonic Balancer (1) Crankshaft Sensor (1) Cruise Control Module / Computer (4) Cup Holder (2) Dash Bracket / Mount (2) Dash Trim (17) Dash Wire / Wiring Harness (4) Dashboard (1) Diagnostic / CAN Bus / Gateway Computer / Module (2) Differential (1) Dome / Map Light (6) Door / Hatch Sun Shade and Clips (2) Door Brake / Check Rod / Hinge (3) Door Control / Door Light Unit / Module (4) Door Glass (2) Door Light (7) Door Lock Actuator (15) Door Panel (8) Door Panel Storage Area (4) Door Shell / Skin (1) Door Trim (25) Door Weather Stripping / Seal (5) Door Wire / Wiring Harness (10) Drive Belt Tensioner (1) Driveshaft / Propeller Shaft (2) ECU / Engine Control Module Housing / Cover (1) EGR Valve / Hose / Line (7) ESP / DTC / Traction Control Switch (2) Electric Cooling Fan (7) Electric Fan Assembly (2) Engine / Motor Mount (2) Engine / Motor Mount Bracket (5) Engine Air Filter Box (4) Engine Air Intake Duct (7) Engine Bolt / Nut / Fastener (10) Engine Control Module / ECM / ECU / DME (3) Engine Cylinder Head and Parts (4) Engine Intake Air Temp Sensor (2) Engine Long Block (1) Engine Oil Cap (4) Engine Oil Cooler (1) Engine Oil Dipstick (3) Engine Oil Level Sensor (1) Engine Oil Pan (1) Engine Oil Pump (4) Engine Plastic Cover (1) Engine Sealing Plate / Cover (1) Engine Short Block (2) Engine Timing / Cam Solenoid (3) Engine Valve / Cylinder Head Cover (1) Engine Wire / Wiring Harness (9) Evap Hoses / Lines (4) Exhaust Hardware / Clamp (1) Exhaust Mount Bracket / Hanger (3) Exhaust Pipe (2) Exterior B Pillar Trim / Cover (5) Exterior Bolt / Nut / Fastener (1) Exterior Door / Window Trim (3) Exterior Door Handle (23) Fender Liner (3) Fender Mount / Bracket (7) First Aid Kit (2) Flexplate (1) Flywheel / Flexplate Bolt (2) Fog Light Switch (4) Frame Brace / Support Bracket (3) Front Seat (10) Fuel Filter (1) Fuel Gauge Level Sensor / Sending Unit (1) Fuel Injector (2) Fuel Line (8) Fuel Pressure Sensor (3) Fuel Pump (4) Fuel Pump Delivery Computer / Module (2) Fuel Rail (3) Fuse / Relay Box (12) Fuse Box Cover (3) Gas / Fuel Door Lock Actuator (2) Gas Pedal / Accelerator Module (3) Glove Box (6) Glove Box Strut / Actuator (1) Grab Handle (3) HVAC Box Parts and Servos (2) Hazard Switch (2) Head / Heads Up Display / HUD (2) Headlight / Head Lamp / Light (2) Headlight / Suspension Leveling Sensor (3) Headlight Ballast / Igniter (7) Headlight Bulb (2) Headlight Bulb Cover / Cap (2) Headlight Control Module / Computer (3) Headlight Switch (4) Headlight Washer Pump (1) Headliner / Roof Trim (4) Headrest (6) Heater Bypass Valve (4) Heater Core (1) Heater Core Hose (2) Homelink / Garage Door Module (1) Hood (2) Hood Hinge (4) Hood Insulation Blanket (3) Hood Latch Release Cable (3) Hood Latch Release Lever / Switch (2) Hood Shock / Strut (2) Hood Stop / Adjustment Bumper (2) Horn (2) Ignition Coil / Pack (4) Ignition Control Module / Amplifier / ICM (1) Ignition Switch (1) Illumination / Dimmer Switch (3) Instrument Cluster / Speedometer (5) Instrument Cluster Trim (1) Intake Manifold and Parts (6) Intake Valve (1) Interior Bolt / Screw Cap / Cover (2) Interior Door Handle (7) Interior Fasteners / Clips (3) Interior Light (9) Kessy / Keyless Entry Antenna (2) Knee AirBag (1) Knee Panel (2) Knock Sensor (4) Lane Change Assist Module / Computer (2) Lane Change Assist Switch (3) Leak Detection Pump / LDP (3) License Plate Light (2) Light / Headlight Wire / Wiring Harness (3) Lock / Unlock Switch (2) Lower Control Arm (2) Lower Hood Latch (2) Lower Pillar (6) Lug Nut Covers (2) Lug Nuts / Bolts (3) MAP / Intake Manifold Pressure Sensor (2) MMI Center Control Unit (2) MMI Control Module / Computer (3) Microphone (2) Mirror Switch (2) Misc Connector / Plug (25) Mud Flap / Spoiler (1) Multifunction Relay (8) Music Interface Cable (4) Oil Pressure Sensor (6) Oil Sump Windage Tray (1) Onboard Power Supply Control Module / Unit (6) Other / Misc Wire / Wiring Harness (51) Other Relay (3) Oxygen / O2 Sensor (7) Park Assist Sensor (5) Park Assist Switch (1) Parking Brake Cable (3) Parking Brake Computer / Module (6) Parking Brake Switch (1) Piston / Connecting Rod (1) Power Outlet (7) Power Steering Hose / Line / Pipe (5) Power Steering Wiring Harness (1) Radiator (1) Radiator / Core Support Mount Bracket (3) Radiator Coolant Hose (4) Radiator Holding Clip / Pin / Bracket (4) Radio / Stereo (1) Radio / Stereo / Amplifier Wire / Wiring Harness (5) Rain Sensor (1) Rain Tray / Water Deflector (3) Rear Seat (10) Rear Seat Panel / Net (3) Rear View Mirror (3) Roof Antenna / Shark Fin (1) Satellite Radio Module / Computer (3) Seat / Memory Control Module / Computer (2) Seat Belts (5) Seat Buckles / Receivers (6) Seat Fasteners / Clips (1) Seat Light (3) Seat Lumbar Assembly (1) Seat Memory Switch (3) Seat Motor (17) Seat Mount / Bracket (2) Seat Occupant Detection Module / Sensor (2) Seat Rail / Frame (3) Seat Switch (9) Seat Trim (20) Seat Wire / Wiring Harness (4) Secondary Air Pump (2) Secondary Air Pump Lines / Hoses (3) Shifter Assembly (2) Shifter Display Unit (1) Side View Mirror (9) Ski Bag (2) Sound Absorber (6) Sound Generator (1) Spare Tire Air Compressor (1) Spare Tire Tie Down (1) Speaker / Subwoofer (13) Speaker Grille / Cover (25) Spindle / Knuckle (3) Stabilizer / Sway / Track Bar (2) Starter (2) Steering Column Adjustment Lever / Switch (3) Steering Column Control Module (3) Steering Column Trim (3) Steering Tie Rod (7) Steering Wheel (3) Steering Wheel AirBag (1) Steering Wheel Switch / Button (9) Storage Tray / Card / Coin Holder (3) Strut / Shock Absorber (2) Strut / Shock Mount / Bushing (2) Sub Frame Mount / Bracket (2) Sun Roof / Glass (1) Sun Roof Shade / Sunshade (2) Sun Roof Switch (1) Sun Shade Switch (1) Sun Visor and Components (6) Sunroof / Sun Roof Control Module (1) Sunroof / Sun Roof Motor (1) Suspension Air Compressor (1) Suspension Air Compressor Bracket (1) Suspension Bolt / Nut / Fastener (6) Suspension Computer / Control Module / Air Ride (3) Suspension Line / Hose / Pipe (1) Sway / Stabilizer Bar End Link (3) Tail Light / Lamp (6) Tail Light Wire / Wiring Harness (8) Thermostat Housing (1) Third Brake Light (1) Tie Rod Boot / Bellow (2) Timing Belt / Chain Tensioner (2) Timing Chain Guide / Rail (4) Timing Gear / Pulley (8) Tools (2) Tow / Towing Hook (1) Transmission (1) Transmission Axle Flange (3) Transmission Cooler Line / Pipe (3) Transmission Mount (1) Transmission Mount Bracket (3) Transmission Oil Cooler (1) Transmission Oil Pan (1) Transmission Screw / Bolt / Fastener (2) Transmission Wire / Wiring Harness (1) Trunk / Hatch Emblem / Badge (1) Trunk / Hatch Lift Motor / Pump (2) Trunk / Hatch Module (2) Trunk / Hatch Shock / Strut / Spring (1) Trunk / Hatch Stop / Adjustment (5) Trunk / Hatch Switch (3) Trunk / Hatch Trim (5) Trunk Latch (3) Trunk Latch Cover (1) Trunk Latch Release Cable (3) Trunk Mat / Carpet Spare Cover (1) Trunk Release Switch / Handle (5) Trunk Weather Stripping / Seal (1) Turbo Mount / Bracket (2) Turbocharger (1) Turbocharger Coolant Line (5) Turbocharger Intercooler Hose (6) Turbocharger Oil Line (2) Turbocharger Wastegate / Actuator (2) Underbody / Under Panel Mount Fastener (1) Upper Pillar (4) Vacuum / Crankcase Breather Hose / Line (5) Vacuum Solenoid Valve (2) Valet Switch (1) Valve Body / Mechatronic (1) Voltage Stabilizer Module (1) Washer Hose (2) Water / Coolant Pump (10) Water Drain Hose / Line (1) Water Pump Mount Bracket (2) Wheel Bearing (4) Wheel Center Caps (1) Wheels / Rims (5) Window Motor (3) Window Regulator (6) Window Switch (4) Windshield Sprayer / Nozzle (8) Windshield Trim (1) Windshield Washer Pump (4) Windshield Washer Tank / Reservoir (3) Windshield Wiper Screw / Nut Cap (1) Wiper / Turn Signal / Cruise Stalks / Switch (1) Wiper Arm (2) Wiper Motor (1) Wiper Transmission (1) Wiring Organizer / Mount Bracket (1) YAW / ESP Sensor (2)

Items 1-4 of 4

Results

Coolant / Heater Bypass Solenoid Valve 4H0121670A

Coolant / Heater Bypass Solenoid Valve

Starting at $18.99

OEM: 4H0121670A

Heater Control Valve 4H0121670

Heater Control Valve

Heater Control Valve Unit 4H0121671D

Heater Control Valve Unit

Starting at $9.49

OEM: 4H0121671D Porsche: PAB12167100

Heater Control Valve Unit 4H0121671B

Heater Control Valve Unit

OEM: 4H0121671B

More 2018 Audi S8 Part Types

Other / Misc Wire / Wiring Harness 51 parts Coolant Hose / Pipe / Line 42 parts Door Trim 25 parts Misc Connector / Plug 25 parts Speaker Grille / Cover 25 parts Exterior Door Handle 23 parts Seat Trim 20 parts Armrest / Arm Rest 17 parts Dash Trim 17 parts Seat Motor 17 parts Climate Air Vent / Duct 15 parts Door Lock Actuator 15 parts Speaker / Subwoofer 13 parts Center Console Trim 12 parts Fuse / Relay Box 12 parts Door Wire / Wiring Harness 10 parts Engine Bolt / Nut / Fastener 10 parts Front Seat 10 parts Rear Seat 10 parts Water / Coolant Pump 10 parts AC Hoses / Lines and Fittings 9 parts Bowden Cable 9 parts Climate Air Temp Sensor 9 parts Engine Wire / Wiring Harness 9 parts

Other Years for Audi S8 Heater Bypass Valve

2013 4 parts 2014 4 parts 2015 4 parts 2016 4 parts 2017 4 parts 2020 4 parts 2021 3 parts 2022 3 parts 2023 3 parts 2024 3 parts

★ 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