Aftermarket Replacement Parts - B5 A4 Quattro 1.8T
Your Audi deserves to perform at its best, as it was always intended to. By keeping it in perfect shape with routine maintenance, you're taking care of part of that need. With top aftermarket brands who share the same dedication to quality and love for Audi you have, the other part of that equation is covered. Find all the best aftermarket replacement parts from top brands here in our expansive catalog that caters directly to those who love and care for their Audi.
Keep Your Car on the Road for a Lifetime
Fits:
B5 A4 Quattro 1.8T
Rear Brake Caliper - Right
Replace your worn or seized rear caliper
Brand:
ES#:
2608596
Mfg#:
8D0615424B
Rear Wheel Bearing Kit - Priced Each (75mm)
Fits the left and right side
Brand:
ES#:
1488
Mfg#:
8D0598625A
RA4 240mm Clutch Conversion Kit - Stage 1
ECS RA4 Lightweight Flywheel with the Audi S4 clutch kit
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Brand:
ES#:
5485
Mfg#:
RA4S1-STEEL
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Availability:
Ships on Sep 14, 2026
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Ships on Sep 14, 2026
RA4 240mm Clutch Conversion Kit - Stage 2
ECS RA4 Lightweight Flywheel with the Audi RS4 clutch kit
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Brand:
ES#:
5486
Mfg#:
RA4S2-STEEL
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Availability:
Ships on Sep 14, 2026
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Ships on Sep 14, 2026
Clutch Kit With Single Mass Flywheel
Includes the clutch disc, pressure plate, flywheel, throwout bearing, and hardware
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Brand:
ES#:
251027
Mfg#:
52285615
01V Automatic Transmission Service Kit
Includes the necessary filter, plugs, gaskets, and Vaico ATF G052 fluid to service your transmission
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Brand:
ES#:
261797
Mfg#:
ECS01VSKT
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Availability:
Ships on Nov 6, 2026
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Ships on Nov 6, 2026
Rear Wheel Bearing Kit - Pair (75mm)
Includes both bearings and axle bolts
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Brand:
ES#:
2515573
Mfg#:
8D0598625A
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Availability:
Ships on Sep 18, 2026
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Ships on Sep 18, 2026
Clutch Kit
Revive the response & feel of your transmission
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Brand:
ES#:
2535476
Mfg#:
078198141KT
Front Wheel Bearing Kit - Pair (82MM)
Includes both bearings, axle bolts, and self locking nuts
Brand:
ES#:
2594433
Mfg#:
4B0498625AKT
Accessory Belt Kit
Replace all of your worn drive belts at once
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Brand:
ES#:
52
Mfg#:
AEBABK
Ultimate Timing Belt Kit
Complete kit to service your timing belt, water pump, and thermostat
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Brand:
ES#:
1342
Mfg#:
058198479 V2
Ultimate Timing Belt Kit
Complete kit to service your timing belt, water pump, and thermostat
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Brand:
ES#:
1344
Mfg#:
AWMTBKV2 LV
Timing Belt Kit - Standard
Includes the basic components to service your timing belt
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Brand:
ES#:
1540
Mfg#:
AWMTBKLV
Ultimate Timing Belt Kit
Complete kit to service your timing belt, water pump, and thermostat
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Brand:
ES#:
1542
Mfg#:
AWMTBKV2 EV
K04 0015 Turbocharger With Installation Kit
Great bolt on performance upgrade that can be used with or without specific programming
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Brand:
ES#:
3365
Mfg#:
058145703KO4WGKT
Timing Belt Kit - Ultimate Plus
Our most complete timing belt kit with coolant
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Brand:
ES#:
5633
Mfg#:
058198479 V2WAF
Timing Belt Kit - Ultimate Plus
Our most complete timing belt kit with coolant
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Brand:
ES#:
5953
Mfg#:
AWMTBKV2 LVWAF
Mass Air Flow Sensor (MAF)
Restore fuel economy and performance
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Brand:
ES#:
6105
Mfg#:
0280218063SJ
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Availability:
In Stock
In Stock
Oxygen Sensor - Priced Each
Keep your engine running efficiently
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Brand:
ES#:
8367
Mfg#:
1K0998262
MAP Sensor
Measures pressure in the intake system (large design MAP sensor)
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Brand:
ES#:
12011
Mfg#:
038906051
Cylinder Head Gasket
Stop leaks and restore engine power
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Brand:
ES#:
263698
Mfg#:
058103383Q
Valve Cover Gasket Set
Stop oil leaks and prevent internal engine damage
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Brand:
ES#:
1306666
Mfg#:
058198025A
440cc Fuel Injectors - Set Of Four
A drop-in injector commonly referred to as 'Green Giants'
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Brand:
ES#:
1866540
Mfg#:
0280155968
K03 Turbocharger With ECS Installation Kit
Restore boost and get going!
Brand:
ES#:
1892046
Mfg#:
058145703JKT
550cc Fuel Injectors - Set Of Four
Compatible with BT software applications. Includes injector plug adapters
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Brand:
ES#:
1899400
Mfg#:
INJB550
Ignition Service Kit
Includes four Beru coil packs and four NGK spark plugs
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Brand:
ES#:
2538546
Mfg#:
058905105KT
Oxygen Sensor - Priced Each
Keep your engine running efficiently
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Brand:
ES#:
2539127
Mfg#:
1K0998262D