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Gates EMH125 Engine Crankcase Breather Hose - Air Pump To Valve
Gates EMH125 Crankcase Breather Hose
The Gates EMH125 is an OE-exact engine crankcase breather hose for emission control service. Built from rubber with molded construction and push-in ends, it restores the crankcase ventilation path with the correct routing and fit for the application.
Compatible with BMW 528i models in the air pump to valve position, this hose supports emission system repair on 1996-1998 BMW 528i and 1999 BMW 528i built Aug. 31, 1998 and older. The Gates Emission Control Hose line focuses on replacement hoses that match original dimensions and service requirements.
Key Features
- OE Exact replacement hose for crankcase ventilation and emission control service
- Rubber construction for durability and long service life
- Molded design with push-in end types for proper routing
- Inside diameters: 19 mm (.74 in) and 19 mm (.76 in)
- Centerline length: 749 mm (29.5 in)
- Protective sleeve included for added hose protection
- Fits BMW 528i air pump to valve applications
Detailed Description
Gates EMH125 is a replacement engine crankcase breather hose engineered to match OE dimensions and restore emission system operation. The molded rubber construction helps maintain the correct shape and routing, while the push-in ends provide a direct-style connection at both ends. This part number is commonly searched as Gates EMH125 and EMH125 for BMW 528i emission hose replacement needs.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Issues This Hose May Address
- Cracked or split crankcase breather hose
- Vacuum leaks in the emission control system
- Improper crankcase ventilation routing
- Damaged hose causing rough emission system operation
- Fitment issues from worn original hose dimensions
Installation Notes and Tips
Verify the vehicle build date before ordering for 1999 BMW 528i applications, since this hose applies to Aug. 31, 1998 and older vehicles in that model year. Confirm the air pump to valve routing, inspect adjoining connections for wear, and compare the original hose shape and end style before installation. Gates EMH125 should be installed on the correct emission control path for proper fit and function.
Quality Assurance
Gates designs this Emission Control Hose line as OE-exact replacement hardware for emission and crankcase ventilation service. The EMH125 is built to restore the system to original operating dimensions and performance expectations.
| Brand | Gates |
|---|---|
| Part Number | EMH125 |
| Position | Emission Control Hose, Air Pump To Valve |
| 0 | |
| No | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 29.5 |
| Centerline Length | 749 |
| Centerline Length (in) | 29.5 |
| Centerline Length (mm) | 749 |
| 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 | .74 |
| Inside Diameter | .76 |
| Inside Diameter | 19 |
| Inside Diameter 1 (in) | .74 |
| Inside Diameter 1 (mm) | 19 |
| Inside Diameter 2 (in) | .76 |
| Inside Diameter 2 (mm) | 19 |
| 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 | Yes |
| Protective Sleeve Included | Yes |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1999 | BMW | 528i | 2.8L | L6 | GAS | Air Pump To Valve | Aug. 31, 1998 & Older; Emission Control Hose |
| 1998 | BMW | 528i | 2.8L | L6 | GAS | Air Pump To Valve | Emission Control Hose |
| 1997 | BMW | 528i | 2.8L | L6 | GAS | Air Pump To Valve | Emission Control Hose |
| 1996 | BMW | 528i | 2.8L | L6 | GAS | Air Pump To Valve | 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.