GATES EMH197 Crankcase Vent Hose

( Brand: Gates ), ( Manufacturer Part Number: EMH197 ), ( Part Type: Vent Hose ), ( Manufacturer Warranty: 1 Year ), ( Mfr Code: Bbsc )

Review GATES Crankcase Vent Hose

The **Gates EMH197 Crankcase Vent Hose** is a high-performance, precision-engineered component designed to ensure optimal engine breathing and emissions compliance in a wide range of automotive applications. Crafted from durable, heat-resistant **EPDM (ethylene propylene diene monomer) rubber**, this hose is engineered to withstand the harsh conditions of high-temperature crankcase ventilation systems while maintaining exceptional flexibility and longevity. Its reinforced construction prevents premature cracking, kinking, or degradation from oil, coolant, or exhaust fumes, making it an ideal choice for both stock and modified engines where reliability is paramount. The EMH197 features a **smooth, reinforced interior** to minimize airflow resistance, ensuring efficient crankcase pressure regulation and reducing the risk of oil leaks or blow-by buildup. This hose is compatible with a variety of engine bay layouts, thanks to its **precisely measured dimensions and universal fittings**, which often include **19mm and 22mm barbed ends** (or equivalent) for secure, leak-free connections to the PCV (Positive Crankcase Ventilation) system and intake manifold. Whether installed in a high-performance street machine, a classic restoration project, or a daily driver, the Gates EMH197 delivers consistent performance under demanding conditions, helping to maintain engine cleanliness, reduce emissions, and extend critical component lifespan. Built to meet or exceed OEM specifications, this hose is a trusted upgrade for mechanics and enthusiasts seeking a dependable, long-lasting solution for their crankcase ventilation needs.

**Pros and Cons of buying a Gates EMH197 Crankcase Vent Hose**

The Gates EMH197 is a common replacement part for crankcase ventilation hoses in older vehicles, particularly those with carbureted engines or older fuel injection systems. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **High Quality and Durability**

The Gates brand is well-regarded for its automotive parts, particularly hoses and belts. The EMH197 is made from reinforced rubber with a braided fiberglass or nylon cover, which provides better resistance to heat, oil, and engine vibration compared to generic or cheaper alternatives. This reduces the likelihood of premature failure, leaks, or cracking.

2. **Proper Fitment and Compatibility**

Gates parts are engineered to match original equipment manufacturer (OEM) specifications closely. The EMH197 is designed specifically for certain applications (commonly found in vehicles like the Ford Mustang, Chevrolet Camaro, or Pontiac GTO from the late 1960s to early 1980s). This ensures a secure fit, reducing the risk of leaks or improper installation.

3. **Prevents Engine Contamination**

A properly functioning crankcase ventilation (PCV) system is critical for maintaining engine cleanliness. The crankcase vent hose directs blow-by gases (unburned fuel and oil vapors) away from the engine, preventing oil dilution and carbon buildup. A failing or incorrect hose can lead to sludge buildup, reduced engine performance, or even catastrophic failure in severe cases.

4. **Easy Installation**

The EMH197 is typically a straightforward replacement part. It connects to the PCV valve and the crankcase, often requiring only basic tools. Gates provides clear installation instructions, and the part is usually available at most auto parts stores or online retailers, making it accessible for DIYers.

5. **Cost-Effective Long-Term Solution**

While the Gates EMH197 may have a slightly higher upfront cost compared to generic hoses, its durability and reliability often make it a cost-effective choice in the long run. Replacing a cheap hose that fails repeatedly can end up being more expensive than investing in a quality part upfront.

6. **Warranty and Customer Support**

Gates offers warranties on its products, providing some recourse if the part fails prematurely due to a manufacturing defect. Additionally, Gates has a reputation for good customer service, which can be helpful if installation issues arise.

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### **Cons**

1. **Higher Upfront Cost**

Compared to generic or store-brand hoses, the Gates EMH197 is more expensive. For budget-conscious buyers, this may be a deterrent, especially if the part is not immediately necessary. However, the price difference is often justified by the product s quality.

2. **Potential Overkill for Some Applications**

In newer vehicles with advanced PCV systems or those that have never had the original hose replaced, the Gates EMH197 might be more robust than needed. Some drivers may prefer a simpler, cheaper solution if they are confident in the original hose s longevity.

3. **Compatibility Verification Required**

While Gates parts are well-engineered, it is essential to confirm that the EMH197 is the exact correct part for your vehicle. Mixing up hose sizes or fittings can lead to installation problems or leaks. Always cross-reference the vehicle s year, make, and model with the part number to avoid errors.

4. **Limited Availability in Some Regions**

Depending on where you purchase the part, the Gates EMH197 may not be as widely stocked as generic alternatives. Online retailers like Amazon, RockAuto, or specialty auto parts stores are more likely to carry it, which could require additional shipping time or fees.

5. **Installation Challenges for Inexperienced DIYers**

While the installation is generally simple, some vehicles may have tight or awkwardly located hoses that require careful handling. Inexperienced DIYers might struggle with routing the hose correctly or securing it properly, potentially leading to leaks or improper function.

6. **Environmental Concerns (Minor)**

Like all rubber hoses, the Gates EMH197 is not biodegradable and contributes to waste if disposed of improperly. However, this is a minor consideration compared to the part s functional benefits.

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### **Conclusion**

The Gates EMH197 crankcase vent hose is a high-quality, reliable replacement part that offers significant advantages in terms of durability, fitment, and engine protection. Its reinforced construction and brand reputation make it a trusted choice for maintaining or restoring proper PCV system function in older vehicles. While the upfront cost is higher than generic alternatives, the long-term benefits such as preventing engine contamination, reducing maintenance needs, and ensuring a secure fit often outweigh the expense.

For most drivers replacing a worn or leaking crankcase vent hose, especially in classic or high-mileage vehicles, the Gates EMH197 is a **strongly recommended choice**. It strikes a balance between performance, longevity, and peace of mind, making it a worthwhile investment for those who prioritize quality and reliability in their vehicle maintenance.

If you are replacing a crankcase vent hose and your vehicle s application matches the Gates EMH197, purchase this part. Verify compatibility with your vehicle s specifications before buying, and follow the installation instructions carefully. For newer vehicles or those with less demanding applications, a generic hose might suffice, but for older or high-performance engines, Gates provides the best assurance of proper function and longevity.

Details:

Crankcase Vent Hose Gates EMH197. Part #: EMH197.

part #: emh197 prices

• $30.99-$41.74

specifications emissyste:

• brand: Gates
• mpn: Emh197
• part type: Vent Hose
• manufacturer warranty: 1 Year
• mfr code: Bbsc

payments emissyste:

• credit card: Visa
• other
• wallet: Apple-pay

offer emissyste:

• started: February 4, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 3

general emissyste:

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

returns emissyste:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

shipping emissyste:

• cost: $0.00
• type: Fixed
• class: Standard, One-day
• service: Standard, Overnight
• transit: 3-7 Days

seller emissyste:

• rating: 99.8%
• city: Huntersville, North Carolina
• # reviews: 34499

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