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Audi S4 Electronics
402 parts · fits 1991–2026 · compared across 375+ retailers · page 8 of 9
Reverse (Back Up) Light Switch (FEBI) on 0A3-02X 6-speed for B6-B7 A4-S4-RS4
USD 27.95
JH Motorsports
REVO Stage 1 Software for a AUDI RS4 4.2 B8 RS
Revo
REVO Stage 1 Software for a AUDI S4 4.2 Naturally Aspirated
Revo
REVO Stage 2 Software for a AUDI RS4 4.2 B8 RS
Revo
REVO Stage 2 Software for a AUDI S4 4.2 Naturally Aspirated
Revo
RFB H11 Replacement HID Bulb Pair - 4300K (Pure White)
USP Motorsports
RFB Replacement HID Bulb Pair - 3000K (Rally Yellow) For H11
USP Motorsports
Set of TWO Audi S4 - A6 - Allroad 2.7T & RS6 4.2l Biturbo Bosch Primary Oxygen Sensor Plug and Play Pre-cat Air-Fuel O2 Sensors
USD 192.00
ET Spec
Sideskirt styling parts | Audi A4 S4 B8 | Audi A5 S5 B8 | Rieger Tuning
LLTeK International
SM VAG EA839 V6 3.0 TFSI 4 BAR MAP SENSOR KIT
TTE Global
Spark Plug - 1 Range Colder (Brisk Racing) for Audi B9 S4-S5-RS5-SQ5
USD 24.95
JH Motorsports
Spark plug, Bosch 4-electrode (OEM) for VW Touareg, VW Phaeton, C5 A6-allroad, D2-D3 A8-S8 and B6-B7 S4 w 4.2L V8 40v
USD 9.53
JH Motorsports
Spark plug, Bosch 4-electrode (Platinum) for VW Touareg, VW Phaeton, C5 A6-allroad, D2-D3 A8-S8 and B6-B7 S4 w 4.2L V8
USD 13.10
JH Motorsports
Spark plug, NGK 4-electrode (OEM) for VW Touareg, VW Phaeton, C5 A6-allroad, D2-D3 A8-S8 and B6-B7 S4 w 4.2L V8 40v
USD 11.95
JH Motorsports
Spark Plug (NGK) for Audi B9 and VW MQB 1.8t and 2.0t
USD 17.49
JH Motorsports
Stage 3 Fueling Kit WITH Custom Tune for 2000-2002 B5 Audi S4 2.7T and Audi A6 2.7T
USD 1179.00
ET Spec
Starter, New (OEM-Valeo) for C5-allroad V8 and B6-B7 S4-RS4
USD 429.83
JH Motorsports
Starter (Valeo-OEM) for Audi B8 A4-S4-A5-S5-RS4-RS5-Q5-SQ5 and 4L Q7 3.0T 3.2L
USD 394.95
JH Motorsports
THE - 2.7 Upgrade Ignition Coils THE-B5 013 E3 x 6
TTE Global
THE- RS4/S4 B5 & A6 4B 2.7T EGT SENSORS EGT (PAIR) THE- B5 051 00 X 2
TTE Global
THE-RS4 / S4 B5 Boost Sensor Adapter Art-Nr. THE-B5 002 01
TTE Global
THE- RS4/S4 B5 EGT SENSOR THE- B5 051 00
TTE Global
THE- RS6/RS4/S4 EGT SENSORS EGT (PAIR) THE- C5 005 00 X 2
TTE Global
THE TFSI 2.7 Ignition Upgrade Set THE-B5 013 00
TTE Global
TYC Right Tail Light Assembly - 8E5945218A
USP Motorsports
UNITRONIC P3 V3 OB2 GAUGE B9 A4/A5/S4/S5/RS5
TTE Global
Unitronic Stage 2 ECU Performance Software For Audi B9 S4/S5/SQ5
USD 950.00
XLR8 Performance
Unitronic Stage 3 ECU Performance Engine Tune For Audi 3.0TFSI 333HP
USP Motorsports
Upgraded Platinum NGK Spark Plugs for 2000-2002 B5 Audi S4 - 2000-2004 Audi A6 2.7T Set of (6)
USD 93.57
ET Spec
URO Front Left Door Window Switch - 8E0959851D5PR
USP Motorsports
VADPro VAD28 OBD2 for Audi A4, S4, A5, S5 (B9)
USD 710.00
HPA Motorsports
Valeo Steering Column Control Switch - 1J0959654BK
USP Motorsports
Vehicle Speed Sensor - VW/Audi
USD 116.98
URO Tuning
VelocityAP Dealer only ECU Tuning File for AUDI B6
USD 595.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B6 ‘S’
USD 595.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B7
USD 695.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B7 ‘RS’
USD 745.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B7 ‘S’
USD 695.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B8.5 ‘RS’
USD 1345.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B8/B8.5 ‘2.0L’
USD 695.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B8/B8.5 ‘S’
USD 1045.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B9
USD 745.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B9 ‘RS’
USD 1345.00
VelocityAP
VelocityAP Dealer only ECU Tuning File for AUDI B9 ‘S’
USD 745.00
VelocityAP
VF Engineering Competition Package for B9 Audi S4 / S5 and SQ5 [VFC.AUD.B9S.NAE]
USD 1495.00
Bulletproof Automotive
VF Engineering Performance ECU Software for B9 Audi S4 / S5 and FY SQ5 [VFP.AUD.B9S.ST1]
USD 1295.00
Bulletproof Automotive
Wagner Tuning Audi RS4 (B5) Air Inlet Gitter Set - 001002020
USD 107.80
eTek Tuning
Wagner Tuning Silicon Hose For Audi RS4 B5 EVO1 Gen.2 - 210001139
USD 570.00
XLR8 Performance
Wagner Tuning Silicon Hose For Audi RS4 B5 EVO2 - 210001140
USD 570.00
XLR8 Performance
Windshield Wiper Motor, (VEMO) for B6-B7 A4-S4-RS4
USD 189.95
JH Motorsports
← Previous
Page 8 of 9
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Other Audi S4 Categories
Suspension
1421
Brakes
1381
Exterior
753
Engine
713
Exhaust
664
Drivetrain
636
Forced Induction
536
Intake
299
Cooling
164
Fuel
132
Wheels & Tires
129
Interior
123
Other
7
Prices and availability come from the retailer and can change. Links go directly to the seller; some are affiliate links.
![VF Engineering Competition Package for B9 Audi S4 / S5 and SQ5 [VFC.AUD.B9S.NAE]](https://bulletproofautomotive.com/wp-content/uploads/2025/02/MessagesImage_2673813381__1_d388ae2d-6558-4b43-805a-23fde77d00ec.jpg)
![VF Engineering Performance ECU Software for B9 Audi S4 / S5 and FY SQ5 [VFP.AUD.B9S.ST1]](https://bulletproofautomotive.com/wp-content/uploads/2025/02/MessagesImage_2673813381__1_d388ae2d-6558-4b43-805a-23fde77d00ec.webp)
