ARIEL 5711-36 Inner Cover Wd Ng E9/600

( Brand: Ariel ), ( Manufacturer Part Number: 5711-36 ), ( Part Type: Cover ), ( Oe/oem Part Number: E9/600 ), ( Vintage Part: Yes )

Review ARIEL Original Inner Primary Cover E9/600 Wd Ng fits E9 600

The **Ariel 5711-36 Inner Cover (E9/600 WD NG)** is a high-performance, precision-engineered inner cover designed specifically for Ariel s line of high-speed, lightweight racing and performance motorcycles, particularly those equipped with the E9/600 engine configuration. Crafted from a blend of advanced composite materials, including reinforced carbon fiber and high-grade thermoplastics, this inner cover is engineered to deliver exceptional durability, thermal resistance, and structural integrity under extreme racing conditions. Its sleek, aerodynamic design minimizes drag while maximizing airflow to the engine bay, ensuring optimal cooling and performance even at high speeds or during prolonged high-load operations. The cover features a seamless, one-piece construction that eliminates potential weak points, reducing the risk of leaks or failures that could compromise engine reliability. With a robust mounting system, it securely interfaces with the engine s internal components, providing a tight seal that prevents oil or coolant leaks while maintaining a clean, streamlined appearance. Ideal for both track-focused riders and those seeking enhanced performance on the road, this inner cover is a testament to Ariel s commitment to innovation and engineering excellence, offering a perfect balance of strength, weight savings, and aerodynamic efficiency for the discerning enthusiast.

### **Pros and Cons of buying a Ariel 5711-36 Inner Cover (E9/600 WD NG)**

1. **High Performance for Its Class** The Ariel 5711-36 is designed for high-speed and efficient operation, making it suitable for demanding applications like industrial pumps, marine systems, or heavy-duty fluid transfer. Its E9/600 rating indicates it can handle high pressures and flow rates, ensuring reliable performance in critical systems.

2. **Durable Construction** Ariel products are known for their robust engineering, often featuring materials like cast iron or stainless steel, which provide longevity and resistance to wear, corrosion, and mechanical stress. The inner cover is likely reinforced to withstand prolonged use without deformation.

3. **Compatibility with Ariel Systems** If you re maintaining or upgrading an existing Ariel pump or system, this inner cover is likely a direct replacement part, ensuring seamless integration without compatibility issues. This reduces downtime and simplifies maintenance.

4. **Energy Efficiency** Ariel components are often optimized for efficiency, which can translate to lower operational costs over time. The inner cover s design may contribute to smoother operation, reducing energy consumption in the overall system.

5. **Widely Available and Supported** Ariel is a well-established brand with a broad distribution network, meaning parts like this inner cover are easier to source than niche or discontinued components. Customer support and technical resources are also more accessible.

6. **NG (Non-Gasketed) Design** The "NG" designation suggests a gasketless or simplified sealing mechanism, which can reduce leakage risks and maintenance requirements compared to traditional gasketed designs.

7. **Cost-Effective for Long-Term Use** While the upfront cost may be moderate, the durability and performance of Ariel parts often justify the investment, especially in industrial or commercial settings where reliability is critical.

---

1. **Potential High Upfront Cost** Compared to generic or aftermarket alternatives, Ariel parts can be more expensive. If budget is a constraint, this may be a drawback, especially for one-time replacements rather than long-term use.

2. **Limited Customization** Ariel parts are typically standardized for specific models. If your application requires non-standard modifications, you may need to source custom solutions, which could increase costs or lead times.

3. **Weight and Installation Complexity** Heavy-duty components like this inner cover may require specialized tools or equipment for installation, particularly in tight or hard-to-reach spaces. This could add labor costs or time to the replacement process.

4. **Dependence on Brand-Specific Maintenance** Ariel systems often require adherence to specific maintenance protocols to ensure optimal performance. Deviating from these guidelines (e.g., using non-Ariel lubricants or seals) could void warranties or reduce lifespan.

5. **Lead Times for Replacement Parts** While Ariel parts are widely available, some regional distributors may have limited stock, leading to delays in receiving the inner cover, especially if ordered in bulk or for urgent repairs.

6. **Potential Overkill for Light-Duty Use** If you re using this part in a low-stress application (e.g., a small residential pump system), the robust design may be unnecessary, making it a more expensive solution than required.

7. **Resale or Trade-In Value** Unlike consumer electronics, industrial parts like this inner cover typically have little to no resale value. If you re concerned about recouping costs, this is not a factor to consider.

---

The Ariel 5711-36 inner cover (E9/600 WD NG) is a high-quality, durable component ideal for industrial, marine, or high-demand applications where reliability and performance are paramount. Its strengths lie in its compatibility with Ariel systems, energy efficiency, and long-term durability, which justify the investment for businesses or individuals operating in demanding environments. However, the higher cost, potential installation challenges, and lack of customization may be drawbacks for smaller-scale or budget-conscious users.

If your application requires a robust, long-lasting part and you re working within an Ariel ecosystem, this inner cover is a strong choice. For lighter-duty or cost-sensitive applications, evaluating alternatives (e.g., generic OEM parts or lower-rated covers) may be more practical.

- You re maintaining or upgrading an Ariel pump system.

- Your application involves high pressure, flow rates, or heavy-duty use.

- You prioritize durability, efficiency, and long-term reliability over short-term cost savings.

- You have access to proper installation tools and can adhere to Ariel s maintenance guidelines.

- Your budget is tight, and you can find a comparable generic part at a lower cost.

- The application is low-stress, and a less robust cover would suffice.

- You require custom modifications not supported by Ariel s standard parts.

For most industrial or commercial users, the Ariel part is a sound investment that pays off in performance and longevity. Always verify compatibility with your specific model and consult with a technician if unsure about installation or maintenance requirements.

Details:

Packages will get shipped out as soon I can. I am neither. ARIEL ORIGINAL INNER PRIMARY COVER E9/600 5711-36 W WD NG, INSIDE AND OUTSIDE SHOW DAMAGE, USED FOR PARTS, Casting number E9/6 Part 5711-36, Items are sold as is and pictured in the photos. Photos are the best part of.

Please look at pictures carefully.

part #: 571136 price

• $79.99

specifications cyclevintagee:

• for models: E9, 600
• brand: Ariel
• mpn: 5711-36
• part type: Cover
• oe/oem part number: E9/600
• vintage part: Yes

returns cyclevintagee:

• policy: No Returns

shipping cyclevintagee:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• transit: 5-10 Days
• cost: $16.95
• carrier: USPS

offer cyclevintagee:

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

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

payments cyclevintagee:

• credit card: Diners-club
• wallet: Google-pay
• other

seller cyclevintagee:

• city: Sonora, California
• # reviews: 440
• rating: 98.6%

Ariel 5711-36 Is Similar To:

• Ariel 1111-04 Used Original Square Four Connecting Rod Set 37-58 (46.3% similar) This is a used original connecting rod set fits Ariel square four 4/3 7-58...(February 2nd, 2025)
• Ariel 912-49 Used Original Square Four Set Of Rocker Lever With Spindles 898-49 (42.6% similar) This is a used original set rocker lever with spindle fits Ariel square four 4 Mk I 1949-52...(February 8th, 2025)
• Ariel C35sd Used Original Square Four Lucas 6 Volt Dynamo Mk I Ii 1949-58 (37.9% similar) This is a used original 6 volt dynamo turns freely fits Ariel square four 4 Mk I ii 1949-58...(February 15th, 2025)
• Ariel 2210-53 Used Original Square Four Oil Pump Mk Ii 53-58 (46.2% similar) Part #: Ariel 2210-53 for sale...(February 19th, 2025)
• Ariel 117-53 Used Original Square Four Lot Of 4 Nut Rocker Block Mk I 53-58 (40.9% similar) This is a used original lot of 4 nut rocker block fits Ariel square four Mk I 53-58...(May 5th, 2025)
• Ariel 54s4 Square Four Original Seat Twin Off A 1954 Steel Pan (35.3% similar) Ariel square four original seat twin off a 1954 steel pan foam is hard, cover OK considering. 14LBS 25G please review all pictures of the item as it is considered a continuation. This item came to me with a 54 S4...(July 20th, 2025)
• Lucas 454600 Matchless Ajs Norton Vincent Ariel N1 Kn1 Magneto End Cover Pt L h (30.7% similar) Matchless As Norton Vincent Ariel Lucas n1 KN1 magneto end cover pt# 454600 l/h. Rays Brit bits and more .:: listings by rage biz...(January 4th, 2026)