Shop Used Auto Parts
Browse by part, then narrow down by make, model, year, and trim to see only live-priced inventory that fits.
Find quality used engines, transmissions, and other OEM auto parts for your car, truck, SUV, or van. Every part is hand-inspected and backed by warranty from our trusted recycler network.
Start by choosing the part you need, then follow the steps to pick the vehicle it belongs to. As you drill down, we’ll show live products that match your selection.
All listings shown below include real-time pricing (we hide items without a proper price), so you’re always seeing what’s actually available.
Select Year — S4 · Audi
Available Products
Engine Computer/Control Unit
Audi S4 1992
Engine Computer/Control Unit
Audi S4 1993
Engine Computer/Control Unit
Audi S4 1994
Engine Computer/Control Unit
Audi S4 2000 Electronic Control Module from VIN 200001 Automatic Transmission (Tiptronic)
Engine Computer/Control Unit
Audi S4 2000 Electronic Control Module from VIN 200001 Manual Transmission
Engine Computer/Control Unit
Audi S4 2000 Electronic Control Module thru VIN 200000 Automatic Transmission (Tiptronic)
Engine Computer/Control Unit
Audi S4 2000 Electronic Control Module thru VIN 200000 Manual Transmission
Engine Computer/Control Unit
Audi S4 2000 Ignition Control (2.7L)
Engine Computer/Control Unit
Audi S4 2001 Electronic Control Module from VIN 080001 Automatic Transmission (Tiptronic)
Engine Computer/Control Unit
Audi S4 2001 Electronic Control Module from VIN 080001 Manual Transmission
Engine Computer/Control Unit
Audi S4 2001 Electronic Control Module thru VIN 080000 Automatic Transmission (Tiptronic)
Engine Computer/Control Unit
Audi S4 2001 Electronic Control Module thru VIN 080000 Manual Transmission
Engine Computer/Control Unit
Audi S4 2001 Ignition Control (2.7L)
Engine Computer/Control Unit
Audi S4 2002 Electronic Control Module (model VIN D, 8th digit) Automatic Transmission (Tiptronic)
Engine Computer/Control Unit
Audi S4 2002 Electronic Control Module (model VIN D, 8th digit) Manual Transmission
Engine Computer/Control Unit
Audi S4 2002 Ignition Control (2.7L)
Engine Computer/Control Unit
Audi S4 2004 Electronic Control Module Automatic Transmission
Engine Computer/Control Unit
Audi S4 2004 Electronic Control Module Manual Transmission from VIN 228001
Engine Computer/Control Unit
Audi S4 2004 Electronic Control Module Manual Transmission thru VIN 228000
Engine Computer/Control Unit
Audi S4 2005 Electronic Control Module Convertible Automatic Transmission from VIN 901772
Engine Computer/Control Unit
Audi S4 2005 Electronic Control Module Convertible Automatic Transmission thru VIN 901771
Engine Computer/Control Unit
Audi S4 2005 Electronic Control Module Convertible Manual Transmission from VIN 901772
Engine Computer/Control Unit
Audi S4 2005 Electronic Control Module Convertible Manual Transmission thru VIN 901771
Engine Computer/Control Unit
Audi S4 2005 Electronic Control Module Excluding Convertible Automatic Transmission from VIN 400001