Shop replacement parts for the Audi S4 from trusted genuine, OEM, original-equipment, and aftermarket brands. Our selection supports multiple S4 configurations, including the S4 Cabriolet, S4 Avant, and S4 Base, helping you maintain performance, safety, and reliability on the road. Find quality Audi S4 parts designed to meet or exceed original specifications, with options for routine maintenance, repairs, and restoration. Whether you own an earlier model or a newer S4, use the Compatible Vehicles table on each product page to confirm fitment for your exact model year, engine, and application. Order confidently with convenient access to dependable replacement parts for your Audi S4.
INA
Audi A6, A4, Q5, Q7, A7, A8 & More 2005-2019 Drive Belt Idler Pulley - INA 06E903341G
Sale price$31.00
Regular price$39.02
INA
Audi A4, A6, A5, Q5, S4 2005-2012 Drive Belt Tensioner - INA 06E903133Q
Sale price$102.00
Regular price$132.48
INA
Audi A6, A7, Q5, S5, A8, Q7 & More 2009-2019 Drive Belt Tensioner - INA 06E903133AE
Sale price$102.00
Regular price$132.48
INA
Audi A6, A7, Q5, S4, S5, A8 & More 2009-2019 Drive Belt Tensioner - INA 06E903133AC
Sale price$88.00
Regular price$113.46
INA
Audi A7, A6, Q7, Q5, S4, S5 & More 2010-2018 Drive Belt Tensioner - INA 06E903133AB
Sale price$88.00
Regular price$113.46
INA
Audi Q7, A6, A7, A8, Q5, S4 & More 2011-2019 Timing Chain Tensioner - INA 06E109507H
Sale price$113.00
Regular price$146.34
INA
Audi A6, A7, Q5, Q7, A8, S4 & More 2011-2017 Timing Chain Tensioner - INA 06E109218AP
Sale price$110.00
Regular price$142.12
INA
Audi A8, A4, A5, A6, Q5, RS7 & More 2008-2018 Timing Chain Tensioner - INA 06E109218AK
Sale price$202.00
Regular price$261.66
INA
Audi A6, A7, Q5, Q7, A8, S4 & More 2011-2017 Timing Chain Tensioner - INA 06E109217AM
Sale price$92.00
Regular price$118.96
INA
Audi A8, A4, A5, A6, Q5, RS7 & More 2008-2018 Timing Chain Tensioner - INA 06E109217AJ
Sale price$214.00
Regular price$277.82
INA
Volkswagen Passat, Jetta, Beetle, GTI, Golf, Audi A4 & More 1997-2006 Hydraulic Valve Lifter - INA 058109309F
Sale price$17.00
Regular price$21.70
INA
Volkswagen Passat, Jetta, Beetle, GTI, Golf, Audi A4 & More 1997-2006 Hydraulic Valve Lifter - INA 058109309E
Sale price$18.00
Regular price$22.16
INA
Volkswagen Jetta, Golf, GTI, Passat, Cabrio, Corrado & More 1984-2002 Hydraulic Valve Lifter - INA 034109309AD
Sale price$11.00
Regular price$13.56
INA
Audi A4, A6, 200, 100, S4, V8 & More 1989-2008 Pilot Bearing - INA 034105313A
Sale price$10.00
Regular price$11.96
Hepu
Audi A6, S5, SQ5, A7, A8, Q7 & More 2018-2025 Coolant Control Valve - Hepu 06M121678H
Sale price$123.00
Regular price$159.30
Hepu
Audi A6, RS5, S5, SQ5, A7, A8 & More 2018-2025 Water Pump - Hepu 06M121013D
Sale price$210.00
Regular price$272.64
Hepu
Audi A6, A7, A8, Q5, S4, S5 & More 2011-2017 Water Pump - Hepu 06E121018K
Sale price$178.00
Regular price$230.52
Hepu
Audi A6, RS5, S5, SQ5, A7, A8 & More 2018-2025 Water Pump - Hepu 06M121013G
Sale price$266.00
Regular price$344.92
Hepu
Audi e-tron, A6, Q5, TT, A3, A4 & More Coolant / Antifreeze - Hepu G12E1005LDSP
Sale price$48.00
Regular price$61.82
Hepu
Audi e-tron, A6, Q5, TT, A3, A4 & More Coolant / Antifreeze - Hepu G12E1001LDSP
Sale price$15.00
Regular price$19.10
Hepu
Audi A6, A4, A8, A3, Q7, TT & More Coolant / Antifreeze - Hepu G013A8JM15L
Sale price$47.00
Regular price$60.76
Hepu
Audi A6, A4, A8, A3, Q7, TT & More Coolant / Antifreeze - Hepu G013A8JM1
Sale price$16.00
Regular price$19.60
Hepu
Audi A6, Allroad, S4 2000-2005 Timing Belt Kit - Hepu 216088012
Sale price$322.00
Regular price$418.18
Hepu
Audi A6, Allroad, S4 2000-2005 Water Pump - Hepu 078121006A
Sale price$80.00
Regular price$102.88
Hepu
Audi Q7, A6, A4, S4, S5, Volkswagen Touareg 2005-2015 Water Pump - Hepu 06E121018D
Sale price$75.00
Regular price$96.52
Hengst
Audi A6, A7, A8, RS5, S5, SQ5 & More 2018-2025 Oil Filter - Hengst 06M198405H
Sale price$17.00
Regular price$21.94
Hengst
Audi A6, A4, A7, Q5, Q7, A5 & More 2005-2017 Oil Filter Kit - Hengst 06E115562C
Sale price$13.00
Regular price$16.38
Hengst
Audi e-tron, A4, A6, Q5, A5, A7 & More 2017-2025 Cabin Air Filter - Hengst 4M0819439C
Sale price$28.00
Regular price$35.82
Hengst
Audi A4, Q5, A5, S5, Allroad, RS5 & More 2008-2017 Cabin Air Filter - Hengst 8K0819439C
Sale price$19.00
Regular price$24.46
Hengst
Audi S5, A6, A7, S4, Volkswagen Touareg 2009-2015 Crankcase Vent Valve - Hengst 06E103547AC
Sale price$153.00
Regular price$198.26
Hengst
Audi S5, SQ5, S4 2018-2025 Air Filter - Hengst 8W0133843
Sale price$25.00
Regular price$32.40
Hengst
Audi A4, Q5, A5, S5, Allroad, RS5 & More 2008-2017 Cabin Air Filter - Hengst 8K0819439C
Sale price$19.00
Regular price$24.46
Hengst
Audi A4, Q5, A5, S5, Allroad, RS5 & More 2008-2017 Cabin Air Filter - Hengst 8K0819439
Sale price$14.00
Regular price$17.54
Hengst
Audi Q5, S5, A4, A5, S4, SQ5 2008-2017 Air Filter - Hengst 8K0133843
Sale price$22.00
Regular price$28.58
Hengst
Audi e-tron, A4, A6, Q5, A5, A7 & More 2017-2025 Cabin Air Filter - Hengst 4M0819439C
Sale price$28.00
Regular price$35.82
Hengst
Audi A8, Q7, S5, SQ5, Q8, S4 & More 2017-2025 Auto Trans Filter Kit - Hengst 0D5398009C
Sale price$225.00
Regular price$291.26
Hengst
Audi A8, A6, Allroad, S4, Volkswagen Phaeton 2003-2009 Oil Filter Kit - Hengst 079198405A
Sale price$14.00
Regular price$17.92
Hengst
Audi A6, A7, A8, RS5, S5, SQ5 & More 2018-2025 Oil Filter - Hengst 06M198405H
Sale price$17.00
Regular price$21.94
Hengst
Audi A6, A4, A7, Q5, Q7, A5 & More 2005-2017 Oil Filter Kit - Hengst 06E115562C
Sale price$13.00
Regular price$16.38
Hengst
Audi S5, A6, A7, S4, Volkswagen Touareg 2009-2015 Crankcase Vent Valve - Hengst 06E103547AC
Sale price$153.00
Regular price$198.26
Hella Brake Systems
Audi A5, RS5, S5, A4, S4 2019-2024 Brake Pad Set - Hella Brake Systems 8W0698451AQ
Sale price$67.00
Regular price$86.20
Hella Brake Systems
Audi S5, S4 2018-2021 Brake Pad Set - Hella Brake Systems 8W0698151N
Sale price$175.00
Regular price$227.22
Hella Brake Systems
Audi S5, S4 2021-2024 Brake Pad Set - Hella Brake Systems 8W0698151BD
Sale price$175.00
Regular price$227.22
Hella Brake Systems
Audi 5000, A4, 100, 90, A6, Coupe & More 1980-1998 Brake Pad Set - Hella Brake Systems 4D0698451F
Sale price$40.00
Regular price$50.98
Hella Brake Systems
Audi A4, A6, Allroad, S4, S6, Volkswagen Passat 1999-2005 Brake Pad Set - Hella Brake Systems 4B0698151S
Sale price$132.00
Regular price$170.92
Hella Brake Systems
Audi 200, V8, S4, S6 1990-1995 Brake Pad Set - Hella Brake Systems 441698151E
Sale price$134.00
Regular price$173.60
Hella Brake Systems
Audi 5000, A4, 100, 90, A6, Coupe & More 1980-1998 Brake Pad Set - Hella Brake Systems 4D0698451F
Sale price$40.00
Regular price$50.98
Hella Brake Systems
Audi 200, V8, S4, S6 1990-1995 Brake Pad Set - Hella Brake Systems 441698151E
Sale price$134.00
Regular price$173.60
