HomeBelts and Cooling > Radiators, Coolers and Related ComponentsVaico V10-0556 Engine Coolant Reservoir
Part #: V10-0556

Vaico V10-0556 Engine Coolant Reservoir

VAICO
⚙️ 54 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦VAICO
🚗Fitment: Audi and Volkswagen, Allroad Quattro, Passat, RS6, A4, A4 Quattro, A6, and A6 Quattro
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Overview of the VAICO Engine Coolant Reservoir V10-0556

The VAICO Engine Coolant Reservoir V10-0556 is designed for reliable cooling system performance in select Audi and Volkswagen models. This reservoir is engineered to meet OEM specifications, ensuring proper coolant storage and system pressure management.

  • Compatible with OE number 8d0 121 403 l
  • Dimensions: 305 mm length, 240 mm width, 140 mm height
  • Lightweight design at 0.600 kg for easy handling
  • Part of the VAICO brand line, known for quality cooling components
  • Fits Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, Passat, and RS6 models

Detailed Product Specifications

This engine coolant reservoir features precise dimensions of 305 mm in length, 240 mm in width, and 140 mm in height, making it a direct replacement for the original part with OE number 8d0 121 403 l. Weighing 0.600 kg, it balances durability with ease of installation. The reservoir is designed to maintain optimal coolant levels and pressure within the cooling system, helping to prevent overheating and maintain engine efficiency.

About the VAICO Brand Line

The VAICO brand line specializes in belts and cooling system components, including radiators, coolers, and related parts. VAICO products are engineered to meet or exceed OEM standards, providing reliable performance and compatibility. The V10-0556 engine coolant reservoir is part of this line, ensuring it integrates seamlessly with the cooling systems of compatible Audi and Volkswagen vehicles.

Applications and Problem Solving

  • Replaces damaged or cracked coolant reservoirs in Audi A4 and A6 series
  • Prevents coolant leaks that can lead to engine overheating
  • Restores proper coolant pressure regulation in Volkswagen Passat and RS6 models
  • Addresses coolant contamination issues caused by reservoir failure
  • Supports cooling system maintenance for Allroad Quattro vehicles

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid injury from hot coolant. Remove the old reservoir carefully, noting hose connections and mounting points. Verify that the replacement reservoir matches the OE number 8d0 121 403 l and dimensions before installation. After installation, refill the cooling system with the appropriate coolant and bleed air pockets to maintain system efficiency.

Quality Assurance and Warranty

VAICO engine coolant reservoirs are manufactured to meet strict quality standards, ensuring durability and fitment accuracy. This part is backed by VAICO's quality assurance processes, providing confidence in its performance. Please refer to VAICO's warranty policy for specific coverage details.

BrandVaico
Part NumberV10-0556
PositionVAICO
Height [mm]140
Length [mm]305
Packaging height [cm]14
Packaging width [cm]24
Weight [kg]0.600
Width [mm]240
for OE number8D0 121 403 L

This part fits 54 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2005AudiAllroad Quattro4.2LV8N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2005VolkswagenPassat2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2005VolkswagenPassat2.0LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2005VolkswagenPassat1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2004AudiAllroad Quattro4.2LV8N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2004AudiRS64.2LV8N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2004VolkswagenPassat2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2004VolkswagenPassat2.0LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2004VolkswagenPassat1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2003AudiAllroad Quattro4.2LV8N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2003AudiRS64.2LV8N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2003VolkswagenPassatFWD2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2003VolkswagenPassatFWD1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2002AudiA43.0LV6N/AGrade: Aftermarket; To vin 8D-2-010 000; With OE No. 8D0121403L; VAICO
2002AudiA41.8LL4N/AGrade: Aftermarket; To vin 8D-2-010 000; With OE No. 8D0121403L; VAICO
2002AudiA4 Quattro3.0LV6N/AGrade: Aftermarket; To vin 8D-2-010 000; With OE No. 8D0121403L; VAICO
2002AudiA4 Quattro1.8LL4N/AGrade: Aftermarket; To vin 8D-2-010 000; With OE No. 8D0121403L; VAICO
2002VolkswagenPassat4.0LW8N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2002VolkswagenPassat2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2002VolkswagenPassat1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001AudiA42.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001AudiA41.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001AudiA4 Quattro2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001AudiA4 Quattro1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001AudiA62.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001AudiA6 Quattro2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001AudiA6 Quattro2.7LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001VolkswagenPassat2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2001VolkswagenPassat1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000AudiA42.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000AudiA41.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000AudiA4 Quattro2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000AudiA4 Quattro1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000AudiA62.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000AudiA6 Quattro2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000AudiA6 Quattro2.7LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000VolkswagenPassat2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
2000VolkswagenPassat1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999AudiA42.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999AudiA41.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999AudiA4 Quattro2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999AudiA4 Quattro1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999AudiA62.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999AudiA6 Quattro2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999VolkswagenPassat2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1999VolkswagenPassat1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1998AudiA42.8LV6N/AGrade: Aftermarket; From vin 8D-W-007 800; With OE No. 8D0121403L; VAICO
1998AudiA41.8LL4N/AGrade: Aftermarket; From vin 8D-W-007 800; With OE No. 8D0121403L; VAICO
1998AudiA4 Quattro2.8LV6N/AGrade: Aftermarket; From vin 8D-W-007 800; With OE No. 8D0121403L; VAICO
1998AudiA4 Quattro1.8LL4N/AGrade: Aftermarket; From vin 8D-W-007 800; With OE No. 8D0121403L; VAICO
1998AudiA62.8LV6N/AGrade: Aftermarket; From vin 4B-W-000 001; With OE No. 8D0121403L; VAICO
1998AudiA6 Quattro2.8LV6N/AGrade: Aftermarket; From vin 4B-W-000 001; With OE No. 8D0121403L; VAICO
1998VolkswagenPassat2.8LV6N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO
1998VolkswagenPassat1.8LL4N/AGrade: Aftermarket; With OE No. 8D0121403L; VAICO

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8D0 121 403 F8D0 121 403 J8D0 121 403 L

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.