Cooling System for 2009 Audi S4
Categories
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cover & Components
- Covers & Trim
- Cowl
- Dashboard
- Decals & Emblems
- Door
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Seat Components
- Fuel Door
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Convertible Top
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Quarter Window
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Seat Belt
- Seats
- Sensors
- Side Body
- Sound System
- Splash Shields
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Switches, Solenoids & Actuators
- Trunk
- Trunk Lid & Compartment
- Universal
- Windshield Header & Components
- Wiper & Washer Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Stability Control
- Wire, Cable & Related Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alarm System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Control Modules
- Convertible Top
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Navigation System
- Navigation System Components
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Repeater Lamps
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Washer Components
- Wipers
- Wire, Cable & Related Components
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Bushings
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Cooler
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Bushings
- Drive Axles
- Front Suspension
- Handlebar & Controls
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Upper Control Arm
- Wheels
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cover & Components
- Covers & Trim
- Cowl
- Dashboard
- Decals & Emblems
- Door
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Seat Components
- Fuel Door
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Convertible Top
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Quarter Window
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Seat Belt
- Seats
- Sensors
- Side Body
- Sound System
- Splash Shields
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Switches, Solenoids & Actuators
- Trunk
- Trunk Lid & Compartment
- Universal
- Windshield Header & Components
- Wiper & Washer Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Stability Control
- Wire, Cable & Related Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alarm System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Control Modules
- Convertible Top
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Navigation System
- Navigation System Components
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Repeater Lamps
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Washer Components
- Wipers
- Wire, Cable & Related Components
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Bushings
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Cooler
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Bushings
- Drive Axles
- Front Suspension
- Handlebar & Controls
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Upper Control Arm
- Wheels
Browse Categories
Select category
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cover & Components
- Covers & Trim
- Cowl
- Dashboard
- Decals & Emblems
- Door
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Seat Components
- Fuel Door
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Convertible Top
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Quarter Window
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Seat Belt
- Seats
- Sensors
- Side Body
- Sound System
- Splash Shields
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Switches, Solenoids & Actuators
- Trunk
- Trunk Lid & Compartment
- Universal
- Windshield Header & Components
- Wiper & Washer Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Stability Control
- Wire, Cable & Related Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alarm System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Control Modules
- Convertible Top
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Navigation System
- Navigation System Components
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Repeater Lamps
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Washer Components
- Wipers
- Wire, Cable & Related Components
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Bushings
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Cooler
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Bushings
- Drive Axles
- Front Suspension
- Handlebar & Controls
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Upper Control Arm
- Wheels
- Aero Ground Effects & Body Kits
- Brackets, Flanges & Hangers
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cluster & Switches
- Console
- Control Cables
- Control Modules
- Cover & Components
- Covers & Trim
- Cowl
- Dashboard
- Decals & Emblems
- Door
- Door & Components
- Doors
- Ducts
- Exterior Trim - Door
- Exterior Trim - Fender
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Trunk
- Fender & Components
- Fenders
- Floor
- Floor & Rails
- Frame
- Frame & Components
- Front Seat Components
- Fuel Door
- Gaskets & Sealing Systems
- Glass - Door
- Glass - Windshield
- Glass & Hardware
- Glass, Windows & Related Components
- Glove Box
- Grille
- Grille & Components
- Hardware, Fasteners & Fittings
- Hinge Pillar
- Hood
- Hood & Components
- Horns
- Information Labels
- Inner Structure
- Instrument Panel
- Interior Trim - Convertible Top
- Interior Trim - Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Trunk
- Labels
- Lid & Components
- Lock & Hardware
- Mirrors
- Motor & Components
- Outside Mirrors
- Quarter Panel
- Quarter Panel & Components
- Quarter Window
- Radiator Support
- Rear Body
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof
- Seat Belt
- Seats
- Sensors
- Side Body
- Sound System
- Splash Shields
- Steering Wheel
- Stowage Compartment
- Structural Components & Rails
- Switches, Solenoids & Actuators
- Trunk
- Trunk Lid & Compartment
- Universal
- Windshield Header & Components
- Wiper & Washer Components
- ABS Components
- Anti-Lock Brakes
- Brackets, Flanges & Hangers
- Brake Components
- Brake Hydraulics
- Bushings
- Disc Pads & Brake Shoes
- Drums & Rotors
- Front Brakes
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Hoses & Pipes
- Hydraulic System
- Parking Brake
- Rear Brakes
- Sensors
- Stability Control
- Wire, Cable & Related Components
- ABS Components
- Air Bag Components
- Air Bag System
- Alarm System
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Battery
- Battery & Related Components
- Brackets, Flanges & Hangers
- Bulbs - Chassis
- Control Modules
- Convertible Top
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Fog Lamps
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Gaskets & Sealing Systems
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Information Labels
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Mobile Multi-Media
- Navigation System
- Navigation System Components
- Parking Aid
- Power Outlets
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Repeater Lamps
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Tire Pressure Monitor Components
- Trunk
- Washer Components
- Wipers
- Wire, Cable & Related Components
- Air Intake
- Bearings
- Brackets, Flanges & Hangers
- Bushings
- Control Modules
- Cylinder Block Components
- Engine
- Engine & Trans Mounting
- Engine Appearance Cover
- Engine Parts
- Filters
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- Mounts
- Oil Cooler
- Oil Pan
- Oil Pump
- Pumps
- Sensors
- Switches, Solenoids & Actuators
- Transaxle Parts
- Valve Train Components
- A/C Accumulator/Receiver Drier
- A/C Clutch & Compressor
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Automatic Temperature Controls
- Blower Motor & Fan
- Brackets, Flanges & Hangers
- Condenser, Compressor & Lines
- Controls
- Evaporator & Heater Components
- Filters
- Hardware, Fasteners & Fittings
- Heater
- Hoses & Pipes
- HVAC Case
- Information Labels
- Motors, Core, Case & Related Components
- Sensors
- Switches & Sensors
- Switches, Solenoids & Actuators
- Brackets, Flanges & Hangers
- Gaskets & Sealing Systems
- Hardware, Fasteners & Fittings
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Axle & Differential
- Brackets, Flanges & Hangers
- Bushings
- Drive Axles
- Front Suspension
- Handlebar & Controls
- Hardware, Fasteners & Fittings
- Rear Suspension
- Shocks & Components
- Shocks & Struts
- Stabilizer Bar & Components
- Struts & Components
- Suspension Components
- Suspension Mounting
- Suspension, Springs & Related Components
- Upper Control Arm
- Wheels
Cooling System for 2009 Audi S4
No.
Part # / Description / Price
1
Auxiliary Radiator 
Audi
Audi Radiator
S4, RS4. Additional radiator. Left. 4.2L, auxiliary, A4/S4. Cabriolet S4.
1
Radiator Audi
Audi Primary. Fits RS4, S4 4.2 Liter, Main, A4/S4, Manual Trans. 4.2 Liter, Main, Manual Trans. Cabriolet S4 Main Radiator Manual Trans. S4, RS4 Main Radiator Manual Trans. S4, RS4. Manual Trans. Cabriolet S4. Main radiator.
1
Radiator Audi
Audi Primary. Fits RS4, S4 4.2 Liter, Main, A4/S4, Auto Trans. 4.2 Liter, Main, Auto Trans. Cabriolet S4 Main Radiator Auto Trans. S4, RS4 Main Radiator Auto Trans. S4, RS4. Auto Trans. Cabriolet S4. Main radiator.
3
Radiator Coolant Hose Audi
Audi Lower Hose
Primary Radiator. S4, RS4. 4.2L, return. Cabriolet S4. 4.2L, main, A4/S4. 4.2L, main, from vin 8h5002201. From Chassis/VIN 8H-5-901 101.
4
Engine Coolant Pipe Audi
Audi Pipe
Water manifold. S4, RS4. Cabriolet S4. 4.2L, return, 2005-06. 4.2L A4/S4 return. Q7.
6
Engine Coolant Thermostat Kit Audi
Audi Thermostat Housing
Incl.Gasket,Housing and Thermostat. S4, RS4. Cabriolet S4. A6. 4.2L, A4/S4. Allroad. 4.2l.
7
Water Pump Assembly Audi
Audi Water Pump
Assembly. Incl.Engine Water Pump Housing. S4, RS4. Main pump. A6. Cabriolet S4. 4.2L, A4/S4. Allroad. 4.2l.