GATES EMH031 Engine Crankcase Breather Hose

( Brand: Gates ), ( Manufacturer Part Number: EMH031 ), ( Type: Engine Crankcase Breather Hose )

Review GATES Engine Crankcase Breather Hose

The **Gates EMH031 Engine Crankcase Breather Hose** is a high-performance, precision-engineered component designed to maintain optimal airflow and pressure balance within an internal combustion engine s crankcase. Crafted from durable, heat-resistant **EPDM (Ethylene Propylene Diene Monomer) rubber**, this breather hose is engineered to withstand extreme temperatures, chemical exposure, and mechanical stress, ensuring long-lasting reliability even under demanding operating conditions. The hose features a robust **reinforced construction** with a reinforced inner liner and a reinforced outer jacket, which prevents kinking, cracking, or premature degradation, thereby reducing the risk of oil leaks, vacuum loss, or contamination. Its **tight-fitting, interference-fit design** ensures a secure connection to the engine s breather system, minimizing air leaks while allowing efficient crankcase ventilation critical for preventing oil sludge buildup, reducing emissions, and protecting engine components from excessive pressure fluctuations. Ideal for a wide range of automotive, marine, and industrial applications, including performance vehicles, heavy-duty trucks, and off-road machinery, this breather hose adheres to strict quality standards, offering a seamless alternative to OEM parts. Whether installed in a high-revving sports car, a rugged diesel engine, or a marine propulsion system, the Gates EMH031 delivers consistent performance, contributing to smoother engine operation, extended component lifespan, and improved overall efficiency.

### **Pros and Cons of buying a Gates EMH031 Engine Crankcase Breather Hose**

1. **Compatibility and Fitment** The Gates EMH031 is specifically designed for certain engine applications, ensuring a proper fit without modifications. This reduces the risk of leaks or improper installation, which can lead to oil contamination or reduced engine performance.

2. **High-Quality Material** Gates is a well-known manufacturer of automotive parts, particularly for emissions and engine components. The EMH031 is likely made from durable, heat-resistant materials that can withstand engine heat and pressure, extending its lifespan compared to cheaper, generic alternatives.

3. **Improved Engine Protection** A properly functioning crankcase breather hose helps regulate pressure within the engine s crankcase. This prevents oil leaks, reduces blow-by (burnt gases entering the crankcase), and minimizes the risk of sludge buildup, which can damage internal engine components over time.

4. **Emissions Compliance** Many modern engines rely on an efficient breather system to meet emissions standards. A failing or improperly sized hose can lead to increased hydrocarbon emissions, potentially causing the vehicle to fail emissions tests or trigger a check engine light.

5. **Easy Installation** The EMH031 is typically a straightforward replacement part, requiring minimal tools and time to install. It often comes with clear instructions, making it accessible for DIY enthusiasts or even inexperienced mechanics.

6. **Prevents Oil Leaks and Contamination** A failing breather hose can allow oil to seep into the air intake system, contaminating the air filter and potentially damaging the engine over time. A new, properly functioning hose helps maintain a clean intake system.

7. **Long-Term Reliability** Since the EMH031 is an OEM or high-quality aftermarket part, it is less likely to fail prematurely compared to low-cost, no-name replacements. This can save money on repeated replacements and potential engine damage.

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1. **Cost** Compared to generic or budget breather hoses, the Gates EMH031 is more expensive. While it offers better quality, the upfront cost may be a deterrent for those on a tight budget, especially if the part is not immediately critical.

2. **Limited Availability** Depending on the region or retailer, the Gates EMH031 may not be as widely stocked as other brands. This could require ordering online or visiting specialty auto parts stores, which may not be convenient for everyone.

3. **Potential Overkill for Older Vehicles** If the vehicle is very old or has a simple engine design, the benefits of a high-quality breather hose may be less noticeable. In such cases, a cheaper alternative might suffice without significant drawbacks.

4. **Installation Challenges (If Misapplied)** While the installation is generally simple, improper routing or securing of the hose can lead to leaks or reduced effectiveness. Those unfamiliar with engine maintenance might need to consult a professional, adding to the cost.

5. **Compatibility Issues (If Wrong Part Ordered)** It s crucial to verify that the EMH031 is the correct part for the specific engine and vehicle model. Ordering the wrong part could result in a wasted purchase, especially if the part is not returnable.

6. **Environmental Concerns (If Not Disposed of Properly)** Like any automotive part, the EMH031 should be recycled or disposed of responsibly. Some users may overlook proper disposal, contributing to waste.

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### **Conclusion**

The Gates EMH031 engine crankcase breather hose is a high-quality, reliable replacement part that offers significant benefits in terms of engine protection, emissions compliance, and longevity. Its superior material and fitment make it a strong choice for those who prioritize performance and durability. However, the higher cost and potential availability issues may be drawbacks for budget-conscious buyers or those with less complex engine setups.

For most modern vehicles, especially those with strict emissions regulations or high-mileage engines, the EMH031 is a worthwhile investment. It helps prevent costly engine damage, improves efficiency, and ensures long-term reliability. If the budget is a concern, it may be worth comparing it to other reputable brands, but the Gates part remains a top-tier option.

### **Recommendation**

- You own a vehicle that requires this specific part for proper function.

- You prioritize engine protection and emissions compliance.

- You are willing to invest in a durable, long-lasting solution rather than a cheap alternative.

- You plan to perform the installation yourself or have access to a mechanic for guidance.

- The vehicle is very old or has a simple engine where a lower-cost hose would suffice.

- Budget is a major constraint, and you ve researched other equally reliable brands (e.g., WIX, Bosch, or OEM equivalents).

- You cannot confirm the exact compatibility of the part with your vehicle, risking a misorder.

For most cases, the Gates EMH031 is the **best choice** due to its reliability, fitment, and performance benefits. Always verify compatibility with your vehicle s specifications before purchasing.

Details:

This part fits vehicles made in the following years 2016 ,2017,2018,2019,2020. Engine Crankcase Breather Hose. L4 GAS Naturally Aspirated. 171375BAA EMH031.

part #: emh031 prices

• $26.86-$38.13

specifications emissyste:

• brand: Gates
• mpn: Emh031
• type: Engine Crankcase Breather Hose

offer emissyste:

• options: Ship-to-home
• started: March 13, 2026
• availability: In Stock
• quantity: 2
• sold: 0

returns emissyste:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days

payments emissyste:

• other
• wallet: Paypal
• credit card: Visa

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

shipping emissyste:

• class: Standard
• transit: 4-8 Days
• type: Fixed
• service: Standard
• cost: $20.00

seller emissyste:

• rating: 99.7%
• # reviews: 788
• city: Brooklyn, New York

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