1. Engine Crankshafts Products
  2. sku: 20696602988191871
  3. AUTOPART PREMIUM 65YYHGJ27

AUTOPART PREMIUM 65YYHGJ27 Crankcase Breather Hose

fits model: 911, Boxster. year: 1997–2002.

65yyhgj27 Autopart Premium Crankcase Breather Hose For Boxster 911 2002 1997 2001 1999 1998 2000

( Brand: Autopart Premium ), ( Manufacturer Part Number: 65YYHGJ27 ), ( Type: Crankcase Breather Hose ), ( Fits 1: 1997-2002 Porsche Boxster ), ( Fits 2: 1999-2003 Porsche 911 ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Fit Note: Engine Crankcase Breather Hose ), ( Cs-sku: 400 )

Review AUTOPART PREMIUM Crankcase Breather Hose fits BOXSTER 911 1997–2002

The **65YYHGHJ27 Crankcase Breather Hose** is a precision-engineered replacement part designed specifically for Porsche Boxster and 911 models spanning the years 1997 through 2002, ensuring optimal performance and longevity for your engine s ventilation system. This high-quality hose is meticulously crafted to maintain proper crankcase pressure, preventing oil leaks, foam buildup in the oil filter housing, and potential engine damage caused by excessive pressure fluctuations. Engineered from durable, heat-resistant synthetic rubber, the hose is built to withstand the demanding conditions of high-performance driving while resisting cracking, hardening, or degradation over time. Its seamless construction eliminates potential weak points that could lead to leaks, ensuring a secure and reliable fit within the engine bay. The 65YYHGHJ27 is a direct-fit replacement, carefully calibrated to match the original equipment specifications of your vehicle, including proper sizing and routing to integrate seamlessly with the intake manifold and oil filter housing. Whether you re restoring an older Boxster or maintaining a high-mileage 911, this crankcase breather hose is an essential component for preserving engine health and efficiency. Its straightforward installation and long-term durability make it a trusted choice for both professional mechanics and discerning enthusiasts seeking to uphold their Porsche s performance and reliability.

### **Pros and Cons of buying a Autopart 65YYHGJ27 Crankcase Breather Hose for a Porsche Boxster (1997 2002)**

#### **Pros:**

1. **OEM Replacement Quality** This part is designed to match the original equipment specifications for your Porsche Boxster, ensuring proper fitment and function. Porsche s engine bay components are precision-engineered, and an OEM or high-quality aftermarket replacement should maintain the same standards.

2. **Prevents Engine Contamination** A properly functioning crankcase breather hose helps regulate pressure in the engine bay, preventing oil and moisture buildup that can lead to sludge, carbon deposits, or even engine damage over time. A failing breather can cause oil leaks, reduced performance, or even a blown gasket.

3. **Reduces Emissions and Noise** A clogged or damaged breather can cause excessive noise (like a hissing or popping sound) and may contribute to increased emissions if the system isn t venting properly. Replacing it ensures the engine runs cleaner and quieter.

4. **Easy Installation** The hose is typically a straightforward replacement, requiring minimal tools. Most owners or even those with basic mechanical experience can install it without professional help, saving labor costs.

5. **Cost-Effective Maintenance** Compared to more complex engine repairs (e.g., valve cover gasket replacement or oil leaks caused by pressure issues), replacing a breather hose is a low-cost preventive measure that can extend the life of your engine.

6. **Compatibility with Multiple Models** This part is listed as fitting several years of the Porsche Boxster (1997 2002), which means it s likely designed to work across the 986 chassis models with minor variations. This makes it a versatile purchase if you re unsure of the exact year or engine variant.

7. **Available from Reputable Suppliers** If purchased from a trusted auto parts retailer (e.g., RockAuto, Amazon, or a Porsche specialty shop), you can expect decent quality control, warranty coverage, or return policies.

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#### **Cons:**

1. **Potential Counterfeit or Low-Quality Parts** Some aftermarket parts, especially those sold on third-party platforms, may be counterfeit or of inferior material. This could lead to premature failure, leaks, or improper sealing. Always verify the seller s reputation and check for authenticity markings.

2. **Mismatched Clamping or Fittings** While the part is listed as compatible, slight variations in engine bay layouts (e.g., different intake manifold designs or breather system configurations) could require additional adapters or modifications. Double-check the fitment before purchasing.

3. **No Warranty or Limited Coverage** Some budget aftermarket parts come without warranties, leaving you responsible for any failures. OEM parts (if available) or high-end aftermarket brands (e.g., Fel-Pro, Bosch) often include better guarantees.

4. **Risk of Overlooking Underlying Issues** If the breather hose is failing due to a larger problem (e.g., a cracked valve cover gasket, oil leaks, or a failing PCV system), replacing just the hose won t address the root cause. A thorough inspection may be needed to prevent recurrence.

5. **Installation Challenges** While simple, some users may find the hose difficult to remove due to corrosion, adhesive, or tight spaces in the engine bay. Rusty clamps or stiff hoses might require penetrating oil or careful prying.

6. **Price Variability** Prices can fluctuate based on the seller, brand, and whether it s new or used. Some "OEM" listings may actually be remanufactured or aftermarket parts, leading to confusion over value.

7. **Environmental or Health Concerns** Older hoses (especially if reused or from a questionable source) might contain harmful materials or residues. Always dispose of old hoses properly and wear gloves during installation.

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### **Conclusion:**

The **Autopart 65YYHGJ27 crankcase breather hose** is a practical and necessary replacement for your Porsche Boxster, offering clear benefits in terms of engine protection, performance, and longevity. The pros heavily outweigh the cons if you purchase from a reputable source and ensure the part is genuine. However, the cons highlight the importance of verifying compatibility, quality, and addressing any underlying issues that may have caused the breather to fail in the first place.

**Key Considerations Before Purchase:**

- Confirm the exact year and engine variant (e.g., 2.5L or 3.2L) to ensure the part fits perfectly.

- Buy from a trusted seller (e.g., RockAuto, Porsche specialty shops, or Amazon with verified reviews).

- Inspect the old hose for cracks, clogs, or damage before installing the new one.

- Consider upgrading to a higher-quality hose (e.g., Fel-Pro or Bosch) if you notice wear or if the engine bay is particularly dirty.

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### **Recommendation:** **Proceed with purchasing the Autopart 65YYHGJ27 hose** if:

- You ve confirmed it fits your specific Boxster model.

- You re buying from a reliable supplier with good return policies.

- You re also addressing any related issues (e.g., cleaning the engine bay, checking for oil leaks).

**Avoid or research further if:**

- The part is significantly cheaper than expected (possible counterfeit).

- You re unsure about the exact fitment or engine configuration.

- The old hose failure was part of a larger pattern (e.g., recurring oil leaks or gasket issues).

**Alternative Options:**

- If budget allows, consider **Fel-Pro or Bosch breather hoses**, which often have better seals and warranties.

- For a more comprehensive solution, replace the entire **PCV system** (if applicable) or inspect the valve cover gasket.

**Final Verdict:** This is a **worthwhile and cost-effective maintenance item** for your Boxster, provided you source it correctly and ensure proper installation. Regularly checking the breather hose (every 30,000 50,000 miles) can prevent costly engine damage down the line.

Details:

2001 - 2002 Porsche Boxster 3.2L H6. 2003 Porsche 911Carrera 43.6L H6, 4S3.6L 911Carrera3.6L H6. 2001 - 2002 Porsche Boxster Base 2.7L H6. Vehicle Sub model Engine, Fitment Notes: Through engine # 66309950; For 27mm connecting fitting.

Notes Engine Crankcase Breather Hose.

part #: 65yyhgj27 price

  • $75.09

specifications cranshafengin:

  • for models: 911, Boxster
  • for years: 1997-2002
  • brand: Autopart Premium
  • mpn: 65yyhgj27
  • type: Crankcase Breather Hose
  • fits 1: 1997-2002 Porsche Boxster
  • fits 2: 1999-2003 Porsche 911
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • fit note: Engine Crankcase Breather Hose
  • cs-sku: 400

general cranshafengin:

  • condition: New
  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

seller cranshafengin:

  • city: Chino, California
  • rating: 97.7%
  • # reviews: 58905

offer cranshafengin:

  • quantity: 1
  • options: Ship-to-home
  • started: June 4, 2026
  • availability: In Stock
  • sold: 0

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  • wallet: Paypal
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  • credit card: Visa

shipping cranshafengin:

  • cost: $0.00
  • type: Fixed
  • service: Standard
  • class: Standard
  • transit: 5-8 Days

returns cranshafengin:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: 911, boxster, for years: 1997-2002, type: crankcase breather hose, fits 1: 1997-2002 porsche boxster, fits 2: 1999-2003 porsche 911, manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, fit note: engine crankcase breather hose, cs-sku: 400,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 20696602988191871,
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  • New. Offer #1 priced at $75.09 + $0.00 shipping estimate = $75.09* total. 2001-2002 Porsche Boxster Base 2.7L H6. Detailed Notes Crankcase Breather Hose for Porsche 911 1999-2003 Boxster 1997-2002 2.5L 2.7L.FREE SHIPPING

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