HomeEmission Control > Crankcase Ventilation SystemGates EMH084 Engine Crankcase Breather Hose
Part #: EMH084

Gates EMH084 Engine Crankcase Breather Hose

Emission Control Hose
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Emission Control Hose
🚗Fitment: Audi and Volkswagen, A4, A4 Quattro, and Passat
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Overview of Gates Emission Control Hose EMH084

The Gates Emission Control Hose EMH084 is designed to maintain proper crankcase ventilation in select Audi and Volkswagen vehicles. Engineered with precision, this engine crankcase breather hose ensures reliable performance and compatibility with specific models like the Audi A4, A4 Quattro, and Volkswagen Passat.

  • Constructed from durable plastic material for long-lasting use
  • Exact OE comparison rating for direct replacement
  • Push-in end types on both ends for secure connections
  • Centerline length of 10.25 inches (260 mm) for precise fitment
  • Dual inside diameters: 1.15 inches (29 mm) and 0.603 inches (15 mm) to match OEM specifications
  • Single hose quantity with no branches or quick connectors
  • Molded design for consistent quality and performance

Detailed Product Description

The Gates Emission Control Hose from the Emission Control Hose product line is specifically designed to meet the stringent requirements of crankcase ventilation systems in Audi and Volkswagen vehicles. This engine crankcase breather hose (part number EMH084) features a molded plastic construction that resists wear and environmental factors. Its push-in end fittings on both sides ensure a secure and leak-free connection, critical for maintaining proper engine emissions control.

With a centerline length of 10.25 inches (260 mm), this hose fits perfectly within the crankcase ventilation system of compatible vehicles. The hose features two different inside diameters—1.15 inches (29 mm) on one end and 0.603 inches (15 mm) on the other—allowing it to connect seamlessly to corresponding engine components. The absence of branches and quick connectors simplifies installation and reduces potential failure points.

Compatible Vehicles and Applications

  • Compatible with Audi A4 and Audi A4 Quattro models requiring crankcase breather hose replacement
  • Suitable for Volkswagen Passat models with matching emission control system specifications
  • Designed to replace OEM hoses with exact fit and function
  • Helps maintain proper crankcase ventilation and emission control system integrity

Installation Notes and Tips

  • Ensure both push-in ends are fully seated to prevent leaks
  • Inspect surrounding components for wear or damage during replacement
  • Verify hose routing matches OEM configuration to avoid kinks or restrictions
  • No additional hardware is included; reuse existing clamps if applicable

Quality Assurance and Warranty

The Gates Emission Control Hose EMH084 is manufactured to meet or exceed OEM standards, providing reliable performance in emission control applications. This part carries an OE comparison rating, confirming its suitability as a direct replacement for original equipment. While specific warranty details are not provided, Gates products typically adhere to industry quality standards to ensure durability and function.

BrandGates
Part NumberEMH084
PositionEmission Control Hose
MaterialPlastic
Inside Diameter.603
Inside Diameter1.15
Inside Diameter15
Inside Diameter29
Centerline Length10.25
Centerline Length260
Hose Quantity1
End TypePush in
Branch Quantity0
Protective Sleeve IncludedNo
Hardware IncludedNo
9839Yes
98450
9853No
Centerline Length (in)10.25
Centerline Length (mm)260
End 1 TypePush in
End 2 TypePush in
Hardware IncludedNo
Inside Diameter 1 (in)1.15
Inside Diameter 1 (mm)29
Inside Diameter 2 (in).603
Inside Diameter 2 (mm)15
MaterialPlastic
MoldedYes
Number of Branches0
Number of Hoses1
Number of Quick Connectors0
OE Comparison RatingOe exact

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2000AudiA41.8LL4GASN/AOil Separator To Tee; Emission Control Hose
2000AudiA4 Quattro1.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1999AudiA41.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1999AudiA4 Quattro1.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1999VolkswagenPassat1.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1998AudiA41.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1998AudiA4 Quattro1.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1998VolkswagenPassat1.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1997AudiA41.8LL4GASN/AOil Separator To Tee; Emission Control Hose
1997AudiA4 Quattro1.8LL4GASN/AOil Separator To Tee; Emission Control Hose

* 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:

05810321346066EMH084

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