Vaico V10-3696 Engine Crankcase Breather Hose
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Vaico
 VAICO

Vaico V10-3696 Engine Crankcase Breather Hose

Brand Vaico V10-3696
Height [mm] 65
Length [mm] 470
Packaging Depth [cm] 47
Packaging height [cm] 6,5
Packaging width [cm] 17,5
Weight [kg] 0.115
Width [mm] 175
Product line VAICO
Fits Audi · 9 vehicles

Crankcase breather hose. Routes blow-by gases through the emission control system.

VAICO line. Brand-focused replacement part for the crankcase ventilation system.

Cross-references 078 131 831 L, 78 131 831 L and 078131831L for the same application. See all 3.

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Engine Crankcase Breather Hose for Audi V10-3696

VAICO V10-3696 is an engine crankcase breather hose for emission control service, built to match the listed OE application and dimensions. It is a direct-fit replacement for select Audi A6 Quattro and Audi Allroad Quattro models, including the 2005 Audi Allroad Quattro with secondary air pump notes and OE reference 078131831L.

Key Features

  • Engine crankcase breather hose for the crankcase ventilation system
  • Length: 470 mm for application-specific routing
  • Height: 65 mm and width: 175 mm
  • Lightweight construction at 0.115 kg
  • Packaging dimensions: 47 cm depth, 6.5 cm height, 17.5 cm width
  • Fits 2001-2004 Audi A6 Quattro, N/A
  • Fits 2001-2004 Audi Allroad Quattro, N/A
  • Fits 2005 Audi Allroad Quattro, N/A

Detailed Description

VAICO V10-3696 is an emission control hose used in the crankcase ventilation system to route vapors through the correct OE-style path. The listed dimensions help confirm fitment during replacement work, and the OE reference 078131831L supports identification for Audi A6 Quattro and Audi Allroad Quattro applications. VAICO product line parts are selected for vehicle-specific service needs, and this hose is cataloged for the 2001-2004 Audi A6 Quattro, 2001-2004 Audi Allroad Quattro, and 2005 Audi Allroad Quattro.

This part cross-references OE number 078131831L for the same application.

Common Issues This Part Can Address

  • Cracked or split crankcase breather hose
  • Vacuum leaks in the crankcase ventilation circuit
  • Oil vapor routing problems caused by hose deterioration
  • Emission control faults related to damaged ventilation plumbing
  • Fitment issues when replacing a hose with OE No. 078131831L

Installation Notes and Tips

Verify the OE number and hose dimensions before installation, especially on Audi A6 Quattro and Audi Allroad Quattro models. Inspect adjoining ventilation components, clamps, and connection points for wear or carbon buildup so the replacement hose seats correctly and maintains proper routing.

Quality Assurance

VAICO V10-3696 is cataloged as an aftermarket replacement part for the specified OE application and is identified by OE reference 078131831L.

Related reading

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2005AudiAllroad Quattro—2.7LV6N/AGrade: Aftermarket; Secondary air pump; With OE No. 078131831L; VAICO
2004AudiA6 Quattro—2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
2004AudiAllroad Quattro—2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
2003AudiA6 Quattro—2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
2003AudiAllroad Quattro—2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
2002AudiA6 Quattro—2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
2002AudiAllroad Quattro—2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
2001AudiA6 QuattroAutomatic2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
2001AudiAllroad Quattro—2.7LV6N/AGrade: Aftermarket; With OE No. 078131831L; VAICO
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
078 131 831 L78 131 831 L078131831L