Emission System for 2020 Audi A4
- Aperture Panel
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Cowl
- Door & Components
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Floor & Rails
- Front Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Passenger Seat Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Roof & Components
- Seat Belt
- Sensors
- Sound System
- Splash Shields
- Spoiler
- Structural Components & Rails
- Sunroof
- Trunk
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alarm System
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Backup Lamps
- Battery
- Bulbs - Chassis
- Communication System Components
- Electrical Components
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Ride Control Components
- Senders
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Trunk
- Washer Components
- Wipers
- Wiring Harness
- Aperture Panel
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Cowl
- Door & Components
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Floor & Rails
- Front Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Passenger Seat Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Roof & Components
- Seat Belt
- Sensors
- Sound System
- Splash Shields
- Spoiler
- Structural Components & Rails
- Sunroof
- Trunk
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alarm System
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Backup Lamps
- Battery
- Bulbs - Chassis
- Communication System Components
- Electrical Components
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Ride Control Components
- Senders
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Trunk
- Washer Components
- Wipers
- Wiring Harness
Browse Categories
Select category
- Aperture Panel
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Cowl
- Door & Components
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Floor & Rails
- Front Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Passenger Seat Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Roof & Components
- Seat Belt
- Sensors
- Sound System
- Splash Shields
- Spoiler
- Structural Components & Rails
- Sunroof
- Trunk
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alarm System
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Backup Lamps
- Battery
- Bulbs - Chassis
- Communication System Components
- Electrical Components
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Ride Control Components
- Senders
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Trunk
- Washer Components
- Wipers
- Wiring Harness
- Aperture Panel
- Bumper & Components - Front
- Bumper & Components - Rear
- Center Pillar & Rocker
- Cluster & Switches
- Console
- Cowl
- Door & Components
- Driver Seat Components
- Ducts
- Electrical Components
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Quarter Panel
- Exterior Trim - Rear Door
- Exterior Trim - Trunk
- Fender & Components
- Floor & Rails
- Front Door
- Glass - Front Door
- Glass - Rear Door
- Glass - Windshield
- Glass & Hardware
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Structure
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Quarter Panels
- Interior Trim - Rear Body
- Interior Trim - Rear Door
- Interior Trim - Roof
- Interior Trim - Trunk
- Jack & Components
- Labels
- Lid & Components
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Outside Mirrors
- Passenger Seat Components
- Quarter Panel & Components
- Radiator Support
- Rear Body
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Roof & Components
- Seat Belt
- Sensors
- Sound System
- Splash Shields
- Spoiler
- Structural Components & Rails
- Sunroof
- Trunk
- Under Cover & Splash Shields
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alarm System
- Alternator
- Antenna & Radio
- Anti-Theft Components
- Anti-Theft System
- Backup Lamps
- Battery
- Bulbs - Chassis
- Communication System Components
- Electrical Components
- Front Door
- Front Seat Belts
- Fuel Door
- Fuse & Relay
- Headlamp Components
- Headlamp Washers/Wipers
- Heated Seats
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- Lane Departure Warning
- License Lamps
- Lumbar Control Seats
- Mirrors
- Navigation System
- Parking Aid
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Ride Control Components
- Senders
- Starter
- Sunroof
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Trunk
- Washer Components
- Wipers
- Wiring Harness
Emission System for 2020 Audi A4
No.
Part # / Description / Price
Price
1
Vapor Canister 
Audi
Audi Description: A5. RS5. A4 Quattro. A4 allroad. S5. 2017-25, from 11/07/2016.
MSRP $783.08
$585.35
MSRP $783.08
$585.35
9
Oxygen Sensor Audi
Audi Description: A5. 2.0L code dmsa, dpaa. 2017-25. A4 allroad. A4 Quattro. Downstream. Engine code dmsa. Upstream. 4 pin. Q5. Coupe, 2.0L.
MSRP $143.80
$103.54
MSRP $143.80
$103.54
10
Engine Crankcase Vent Valve Audi
Audi Description: 2017-25. A4. Engine code: dhha, dsna. Engine code: dsfa. 2.0L. Engine code: czra, dspa.
MSRP $102.32
$73.67
MSRP $102.32
$73.67
10
Separator Audi
Audi Description: Incl.Gasket. 2.0L code dmsa, dpaa, code: dmsa. Engine code: dnvb. A3. 2.0l.
MSRP $122.00
$87.84
MSRP $122.00
$87.84
11
Separator Gasket Audi
Audi Notes: PARTS: Part included with separator.
Description: Gasket. 2.0L code dmsa, dpaa, code: dmsa. Engine code: dnvb.
MSRP $11.47
$7.40
MSRP $11.47
$7.40
12
Check Valve Audi
Audi Description: 2.0L plug-in hybrid, 03/07/22-02/15/2024. 2.0L code dmsa, dpaa, to 02/15/2024. 2017-25, to 02/15/2024. 2.0L, 10/22/18-02/15/2024.
MSRP $70.83
$53.13
MSRP $70.83
$53.13
13
Vapor Canister Purge Solenoid Audi
Audi Description: Q7. 2.0L code dmsa, dpaa. 2017-25. Q5 Sportback. A4.
MSRP $27.36
$17.65
MSRP $27.36
$17.65
14
MSRP $74.31
$55.74