AUDI JQ35J4 Crankcase Breather Hose 3.0L V6

( Manufacturer Part Number: JQ35J4 ), ( Part Type: Breather Hose ), ( Product Warranty: 12 Month Warranty ), ( Part Info: Breather Hose Assembly ), ( Years: 2017 2016 2018 2014 2015 2019 17 16 18 14 15 19 ), ( Models: Q7 A7 Quattro S4 A6 Quattro A8 Quattro S5 ), ( Important: Please Read All Notes Before Making This Purchase ), ( Cs-sku: 400 )

Review AUDI Oem Crankcase Breather Hose 3.0l V6 fits QUATTRO Q7 A7 S4 A6 A8 S5 2014–2019

The **JQ35J4 Crankcase Breather Hose** is a precision-engineered replacement part designed specifically for Audi s high-performance 3.0L V6 engines found in the 2014 2019 models of the Q7, A7 Quattro, S4, A6, A8, and S5, ensuring optimal engine health and longevity. Crafted from high-quality, durable materials, this breather hose is engineered to maintain proper crankcase pressure while minimizing oil consumption and emissions, a critical function for maintaining peak engine performance and preventing costly internal wear. The JQ35J4 is meticulously manufactured to meet or exceed OEM specifications, featuring a robust, flexible design that resists cracking, kinking, or degradation under the demanding conditions of high-performance driving, turbocharged operation, or extended use. Its seamless construction eliminates potential leak points, ensuring a tight, secure fit when installed on the engine s breather system, which is essential for preventing oil leaks, reducing carbon buildup on intake valves, and preserving the integrity of the PCV (Positive Crankcase Ventilation) system. Ideal for both routine maintenance and performance upgrades, this hose is a straightforward yet vital component for owners seeking to uphold their Audi s reliability and efficiency, whether for daily commuting or spirited driving. Backed by rigorous quality control, the JQ35J4 is a dependable, long-lasting solution that helps safeguard the engine s internal components from harmful contaminants and excessive pressure fluctuations.

**Pros and Cons of buying a JQ35J4 Crankcase Breather Hose for 2014 2019 Audi Models (Q7, A7, S4, A6, A8, S5 3.0L V6)**

1. **Direct Fitment** The JQ35J4 is specifically designed for the 3.0L V6 engines in the mentioned Audi models, ensuring compatibility without modifications.

2. **OEM Quality** It is a genuine or high-quality aftermarket replacement, matching the original equipment specifications in terms of material and performance.

3. **Prevents Oil Leaks** A failing crankcase breather hose can lead to oil leaks, reduced engine efficiency, or even internal damage. Replacing it proactively maintains engine health.

4. **Reduces Emissions** A properly functioning breather system helps manage blow-by gases, improving emissions performance and reducing carbon buildup in the intake system.

5. **Easy Installation** The hose is straightforward to replace, typically requiring only basic tools and minimal disassembly.

6. **Cost-Effective** Compared to potential engine repairs caused by neglecting the breather system, this is a relatively inexpensive preventive measure.

7. **Durability** High-quality materials (such as reinforced rubber or silicone) resist cracking, drying out, or degrading quickly, extending its lifespan.

1. **Potential Counterfeit Risks** Some aftermarket parts may be fakes, leading to poor performance or early failure. Purchasing from a reputable supplier (e.g., RockAuto, Amazon, or a trusted local shop) mitigates this risk.

2. **Mismatched Quality** While the JQ35J4 is a common part, lower-grade alternatives may not last as long or fit perfectly, leading to leaks or installation difficulties.

3. **Labor Time** If the hose is part of a larger system (e.g., integrated with the PCV valve or intake), additional components may need inspection or replacement, increasing labor costs.

4. **Environmental Exposure** The hose is exposed to heat, oil, and engine contaminants, which can accelerate wear over time, especially in high-mileage vehicles.

5. **Limited Lifespan** Even with proper maintenance, crankcase breather hoses typically last **50,000 100,000 miles**, so they may need replacement again in the future.

The **JQ35J4 crankcase breather hose** is a **reliable and necessary replacement** for the 2014 2019 Audi models with the 3.0L V6 engine. Its **direct fitment, preventive benefits, and cost-effectiveness** outweigh the minor risks (primarily counterfeit parts or labor-related concerns). However, **sourcing from a trusted supplier** and **inspecting related components** (e.g., PCV valve, intake manifold gaskets) during installation ensures optimal performance.

- **Buy from a reputable seller** (e.g., RockAuto, Dorman, or an Audi specialty shop) to avoid counterfeit parts.

- **Replace the hose as part of routine maintenance** (e.g., during oil changes or valve adjustments) to prevent future issues.

- **Check for accompanying leaks or wear** in the PCV system or intake manifold while the engine is running.

- **Consider a full breather system upgrade** (e.g., a high-flow PCV valve or reinforced hoses) if the vehicle has high mileage or shows signs of oil consumption.

**Final Verdict:** The JQ35J4 is a **worthwhile upgrade** for maintaining engine health and preventing costly failures. Prioritize quality and proper installation for long-term reliability.

Details:

Audi A7 Quattro 2017 - 2018 3.0L V6. Audi A6 Quattro 2017 - 2018 3.0L V6. Audi A7 Quattro 2016 Prestige 3.0L V6. Audi A7 Quattro 2016 Premium Plus 3.0L V6.

Breather Hose Assembly.

part #: jq35j4 prices

• $24.95-$90.00

specifications cranshafengin:

• for models: Q7, A7, S4, A6, A8, S5, Quattro
• for makes: Audi
• for years: 2014-2019
• mpn: Jq35j4
• part type: Breather Hose
• product warranty: 12 Month Warranty
• part info: Breather Hose Assembly
• years: 2017 2016 2018 2014 2015 2019 17 16 18 14 15 19
• models: Q7 A7 Quattro S4 A6 Quattro A8 Quattro S5
• important: Please Read All Notes Before Making This Purchase
• cs-sku: 400

offer cranshafengin:

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

general cranshafengin:

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

payments cranshafengin:

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

shipping cranshafengin:

• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• transit: 2-6 Days
• carrier: FedEx
• cost: $0.00
• class: Standard

returns cranshafengin:

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

seller cranshafengin:

• city: Reno, Nevada
• rating: 98.8%
• # reviews: 68774

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