OE Quality
60-Day Returns

Gates EMH184 Engine Crankcase Breather Hose - Oil Separator To Pipe
Overview of Gates Emission Control Hose EMH184
The Gates Emission Control Hose EMH184 is a precision-engineered engine crankcase breather hose designed for BMW vehicles, including the X5 and Z8 models. Manufactured from durable rubber, this hose ensures reliable crankcase ventilation and emission control performance.
- Material: High-quality rubber construction
- Inside Diameter: 0.4 inches (10 mm)
- Centerline Length: 2.125 inches (54 mm)
- End Type: Push-in connectors on both ends
- Quantity: Single hose included
- Molded design for exact fit
- OE Comparison Rating: OE exact replacement
Detailed Product Description
The Gates Emission Control Hose EMH184 is part of the Emission Control Hose product line, which focuses on components critical to maintaining proper crankcase ventilation and emission standards. This engine crankcase breather hose is molded from durable rubber to withstand engine bay conditions and provide a secure, leak-free connection. Both ends feature push-in connectors, facilitating straightforward installation and ensuring a tight seal. With an inside diameter of 0.4 inches (10 mm) and a centerline length of 2.125 inches (54 mm), this hose is designed to meet exact OEM specifications for BMW X5 and Z8 models, providing a direct replacement that maintains factory performance.
Applications and Problem Solving
- Prevents crankcase pressure buildup by allowing proper ventilation
- Reduces harmful emissions by maintaining emission control system integrity
- Eliminates vacuum leaks that can cause rough idling or engine performance issues
- Replaces cracked or worn breather hoses to avoid oil leaks and contamination
- Ensures compliance with emission regulations for BMW X5 and Z8 vehicles
Installation Notes and Tips
- Ensure engine is cool before removing the old hose
- Check for any debris or damage in the connection points before installation
- Push-in ends require firm pressure to seat properly; avoid twisting during installation
- Verify hose routing matches OEM configuration to prevent kinks or restrictions
- Inspect surrounding components for wear while replacing the hose
Quality Assurance and Warranty
The Gates Emission Control Hose EMH184 is manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. This hose carries an OE comparison rating of exact fit, confirming its compatibility with specified BMW models. While no additional hardware or protective sleeve is included, the molded rubber construction provides long-lasting service life under normal operating conditions. Warranty coverage details should be confirmed with the original product documentation or supplier.
| Brand | Gates |
|---|---|
| Part Number | EMH184 |
| Position | Emission Control Hose, Oil Separator To Pipe |
| 0 | |
| No | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 2.125 |
| Centerline Length | 54 |
| Centerline Length (in) | 2.125 |
| Centerline Length (mm) | 54 |
| End 1 Type | Push In |
| End 2 Type | Push In |
| End Type | Push In |
| Hardware Included | No |
| Hardware Included | No |
| Hose Quantity | 1 |
| Inside Diameter | .4 |
| Inside Diameter | 10 |
| Inside Diameter 1 (in) | .4 |
| Inside Diameter 1 (mm) | 10 |
| Inside Diameter 2 (in) | .4 |
| Inside Diameter 2 (mm) | 10 |
| Material | Rubber |
| Material | Rubber |
| Molded | Yes |
| Number of Branches | 0 |
| Number of Hoses | 1 |
| Number of Quick Connectors | 0 |
| OE Comparison Rating | OE Exact |
| PCV Valve | No |
| Protective Sleeve | No |
| Protective Sleeve Included | No |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | BMW | X5 | 4.4L | V8 | GAS | Oil Separator To Pipe | Emission Control Hose |
| 2003 | BMW | X5 | 4.6L | V8 | GAS | Oil Separator To Pipe | Emission Control Hose |
| 2003 | BMW | Z8 | 4.9L | V8 | GAS | Oil Separator To Pipe | Emission Control Hose |
| 2003 | BMW | Z8 | 5.0L | V8 | GAS | Oil Separator To Pipe | Emission Control Hose |
| 2002 | BMW | X5 | 4.4L | V8 | GAS | Oil Separator To Pipe | Emission Control Hose |
| 2002 | BMW | X5 | 4.6L | V8 | GAS | Oil Separator To Pipe | Emission Control Hose |
| 2001 | BMW | X5 | 4.4L | V8 | GAS | Oil Separator To Pipe | Emission Control Hose |
| 2000 | BMW | X5 | 4.4L | V8 | GAS | Oil Separator To Pipe | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.