Vaico V10-4052 Engine Crankcase Breather Hose
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Vaico
 VAICO

Vaico V10-4052 Engine Crankcase Breather Hose

Brand Vaico V10-4052
Height [mm] 24
Length [mm] 160
Weight [kg] 0.041
Width [mm] 60
Product line VAICO
Fits Audi and Volkswagen · 14 vehicles

Crankcase breather hose for crankcase ventilation system service.

Compact 160 mm length for a precise hose replacement.

Cross-references 06B 133 783 BC and 06B133783BC for the same application. See all 2.

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VAICO Engine Crankcase Breather Hose

The VAICO V10-4052 engine crankcase breather hose is an OE-style emission control replacement for crankcase ventilation service. Built to match the listed dimensions of 160 mm length, 60 mm width, and 24 mm height, it is a direct-fit solution for select Audi A4, Audi A4 Quattro, and Volkswagen Passat applications.

VAICO’s VAICO line focuses on OE replacement parts for European vehicles, and this breather hose follows that approach with application-specific fitment and OE reference matching for the crankcase ventilation system.

  • Part number: V10-4052
  • Engine crankcase breather hose for emission control and crankcase ventilation service
  • OE reference: 06B 133 783 BC / 06B133783BC
  • Dimensions: 160 mm length, 60 mm width, 24 mm height
  • Lightweight construction at 0.041 kg
  • Compatible with select 2000-2003 Audi A4 and Audi A4 Quattro models
  • Compatible with select 2001-2002 Volkswagen Passat models

This VAICO V10-4052 breather hose is used in the crankcase ventilation system to route vapors as specified by the vehicle’s OE design. It is a fitment-based replacement for Audi A4, Audi A4 Quattro, and Volkswagen Passat vehicles listed below, and it cross-references OE part number 06B133783BC for the same application.

  • Fits 2000-2003 Audi A4, N/A
  • Fits 2000-2003 Audi A4 Quattro, N/A
  • Fits 2001-2002 Volkswagen Passat, N/A
  • Fits 2001 Audi A4, N/A, Code: ATW
  • Fits 2001 Audi A4 Quattro, N/A, Code: ATW
  • Fits 2000-2001 Volkswagen Passat, N/A, Code: ATW

Common Replacement Reasons

  • Cracked or brittle crankcase breather hose
  • Vacuum leaks in the crankcase ventilation system
  • Oil vapor routing issues tied to worn ventilation plumbing
  • Check engine light concerns related to emission control airflow faults
  • Rough idle or drivability symptoms linked to air leaks

Installation Notes

Verify the OE number and engine code before ordering, especially on 2001 Audi A4, 2001 Audi A4 Quattro, and 2000-2001 Volkswagen Passat ATW applications. Inspect adjoining ventilation components for wear, oil saturation, or cracking before installation so the replacement hose seals correctly and maintains proper crankcase ventilation routing.

Quality Assurance

VAICO is an OE-focused aftermarket brand, and this V10-4052 breather hose is specified for the listed European vehicle applications with OE-number matching for accurate replacement selection.

Related reading

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2003AudiA4Sedan1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2003AudiA4 Quattro—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2002AudiA4—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2002AudiA4 Quattro—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2002VolkswagenPassat—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2001AudiA4—1.8LL4N/AGrade: OE; Code: Atw; with OE No. 06B133783BC; VAICO
2001AudiA4—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2001AudiA4 Quattro—1.8LL4N/AGrade: OE; Code: Atw; with OE No. 06B133783BC; VAICO
2001AudiA4 Quattro—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2001VolkswagenPassat—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2001VolkswagenPassat—1.8LL4N/AGrade: OE; Code: Atw; with OE No. 06B133783BC; VAICO
2000AudiA4—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2000AudiA4 Quattro—1.8LL4N/AGrade: OE; with OE No. 06B133783BC; VAICO
2000VolkswagenPassat—1.8LL4N/AGrade: OE; Code: Atw; with OE No. 06B133783BC; VAICO
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
06B 133 783 BC06B133783BC