2004 Audi S4 control modules & parts
189 refurbished parts are available for the 2004 Audi S4. Each listing shows the exact vehicles and engines it fits; match the part number on your original unit before ordering.
Engines: 4.2L V8 – Gas
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Radiator – Audi (8E0-121-251-AH)
sku: 8E0-121-251-AH
$799.99 Add to Cart -

Radiator – Audi (8E0-121-251-AJ)
sku: 8E0-121-251-AJ
$799.99 Add to Cart -

Radio Amplifier – Audi (8H0-035-223)
sku: 8H0-035-223
$799.99 Add to Cart -

Radio Amplifier – Audi (8H0-035-223-B)
sku: 8H0-035-223-B
$828.00 Add to Cart -

Radio Amplifier – Audi (8H0-035-223-C)
sku: 8H0-035-223-C
$828.00 Add to Cart -

Radio Amplifier – Audi (8H0-035-223-D)
sku: 8H0-035-223-D
$828.00 Add to Cart -

Radio Amplifier – Audi (8H0-035-223-E)
sku: 8H0-035-223-E
$799.99 Add to Cart -

Radio Control Unit – Audi (8E0-035-186-K)
sku: 8E0-035-186-K
$799.99 Add to Cart -

Radio Control Unit – Audi (8E0-035-195-H)
sku: 8E0-035-195-H
$799.99 Add to Cart -

Rear Panel – Audi (8E5-813-501)
sku: 8E5-813-501
$799.99 Add to Cart -

Rear Panel – Audi (8E5-813-501-B)
sku: 8E5-813-501-B
$799.99 Add to Cart -

Rear Panel – Audi (8E5-813-501-C)
sku: 8E5-813-501-C
$799.99 Add to Cart -

Rear Panel – Audi (8E5-813-511)
sku: 8E5-813-511
$799.99 Add to Cart -

Secondary Air Injection Control Valve – Audi (078-131-102)
sku: 078-131-102
$799.99 Add to Cart -

Secondary Air Injection Control Valve – Audi (078-131-102-F)
sku: 078-131-102-F
$799.99 Add to Cart -

Secondary Air Injection Control Valve – Audi (078-131-102-L)
sku: 078-131-102-L
$799.99 Add to Cart -

Secondary Air Injection Control Valve – Audi (078-131-102-N)
sku: 078-131-102-N
$799.99 Add to Cart -

Secondary Air Injection Control Valve – Audi (078-131-102-Q)
sku: 078-131-102-Q
$799.99 Add to Cart -

Secondary Air Injection Control Valve – Audi (078-131-102-T)
sku: 078-131-102-T
$799.99 Add to Cart -
Sale!

Sensor – Audi (8E0-616-571-D)
sku: 8E0-616-571-D
Original price was: $799.99.$559.99Current price is: $559.99. Add to Cart -
Sale!

Sensor – Audi (8E0-616-571-H)
sku: 8E0-616-571-H
Original price was: $799.99.$559.99Current price is: $559.99. Add to Cart -
Sale!

Sensor – Audi (8E0-941-285-C)
sku: 8E0-941-285-C
Original price was: $799.99.$559.99Current price is: $559.99. Add to Cart -
Sale!

Sensor – Audi (8E0-941-285-J)
sku: 8E0-941-285-J
Original price was: $799.99.$559.99Current price is: $559.99. Add to Cart -

Solenoid Valve – Audi (8G0-871-808-A)
sku: 8G0-871-808-A
$799.99 Add to Cart