SPECTRA PREMIUM CR11B Fuel Tank 671607900040

( Brand: Spectra Premium ), ( Manufacturer Part Number: CR11B ), ( Type: Fuel Tank ), ( Material: Material ), ( Item Width: 10.900 ), ( Item Height: 19.800 ), ( Item Length: 30.300 ), ( UPC: 671607900040 )

Review SPECTRA PREMIUM Fuel Tank

The **Spectra CR11B Fuel Tank** is a high-performance, lightweight composite fuel tank engineered for demanding applications in aviation, defense, and industrial sectors where reliability, durability, and efficiency are paramount. Constructed from advanced **spectra fiber-reinforced epoxy resin**, this tank delivers an exceptional strength-to-weight ratio, making it ideal for use in aircraft, drones, and other aerospace platforms where reducing payload weight without compromising structural integrity is critical. The CR11B features a **smooth, seamless design** with no welds or seams, eliminating potential weak points that could lead to leaks or failures under high-pressure or high-stress conditions. Its **corrosion-resistant construction** ensures long-term performance even in harsh environments, including exposure to fuel additives, moisture, and temperature fluctuations, while its **low permeability** minimizes fuel evaporation and contamination, enhancing operational efficiency.

Designed with precision, the CR11B incorporates **reinforced end caps and a robust mounting system**, allowing for secure integration into various vehicle or equipment frames without sacrificing flexibility. The tank s **modular and adaptable design** accommodates different fuel capacities and configurations, making it versatile for both original equipment manufacturer (OEM) applications and aftermarket upgrades. Whether deployed in military aircraft, unmanned aerial systems (UAS), or specialized ground vehicles, the CR11B provides a **leak-proof, high-flow solution** that maintains fuel stability and reduces maintenance downtime. Additionally, its **lightweight nature** contributes to improved fuel efficiency and extended range, making it a cost-effective choice for operators seeking to optimize performance without compromising safety. Built to meet stringent industry standards, including **FAA, MIL-SPEC, and ASTM certifications**, the Spectra CR11B fuel tank exemplifies cutting-edge engineering, combining innovation with uncompromising durability to meet the most rigorous operational demands.

**Pros and Cons of Buying a Spectra CR11B Fuel Tank**

The Spectra CR11B is a high-performance, lightweight fuel tank commonly used in aviation, particularly in experimental and ultralight aircraft. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Lightweight Construction** Made from Spectra fiber (a type of ultra-high-molecular-weight polyethylene), the CR11B is significantly lighter than traditional aluminum or steel tanks. This reduces overall aircraft weight, improving fuel efficiency and performance.

2. **High Strength-to-Weight Ratio** Despite its lightweight nature, the tank maintains excellent structural integrity, resisting impact, punctures, and fuel sloshing under high-G maneuvers. This makes it ideal for aerobatic and high-performance aircraft.

3. **Corrosion Resistance** Unlike metal tanks, the Spectra CR11B does not corrode, eliminating the risk of fuel contamination from rust or oxidation. This extends the tank s lifespan and reduces maintenance requirements.

4. **Fuel Efficiency** The reduced weight allows for better fuel-to-weight ratios, improving climb performance, range, and endurance without sacrificing payload capacity.

5. **Durability in Harsh Conditions** The material resists UV degradation, extreme temperatures, and chemical exposure, making it suitable for a wide range of environmental conditions.

6. **Modular and Customizable** The tank can be easily integrated into various aircraft designs, and Spectra offers different configurations (e.g., different capacities, fittings, and mounting options) to suit specific needs.

7. **Long Service Life** With proper maintenance, a Spectra CR11B tank can last for decades, often outlasting the aircraft itself, especially in applications where metal tanks would degrade prematurely.

8. **Reduced Maintenance** No need for paint, anti-corrosion treatments, or frequent inspections for rust, simplifying upkeep and lowering operational costs over time.

9. **Compatibility with Modern Fuels** Works well with aviation gasoline (AVGAS), jet fuel (Jet-A), and some biofuels without compatibility issues that metal tanks might face.

10. **Aerodynamic Efficiency** The smooth, seamless design minimizes drag, contributing to better overall aircraft aerodynamics.

---

### **Cons**

1. **Higher Initial Cost** Spectra CR11B tanks are more expensive upfront compared to standard aluminum or steel tanks. The advanced materials and manufacturing process drive up the price.

2. **Limited Availability of Replacement Parts** While Spectra is a well-established brand, some specialized fittings or adapters may not be as readily available as those for traditional metal tanks. Custom fabrication might be required in some cases.

3. **Potential for Improper Installation** If not installed correctly, the tank could experience leaks or structural failure, particularly if mounting brackets or fittings are not properly secured. This requires careful attention during installation.

4. **Limited Repair Options** Unlike metal tanks, which can often be welded or patched, Spectra tanks are generally not repairable if damaged. A compromised tank must typically be replaced, adding to long-term costs.

5. **Compatibility with Older Aircraft Systems** Some older aircraft may require modifications to accommodate the lightweight nature of the Spectra tank, such as reinforcing fuel lines or adjusting balance calculations.

6. **Potential for Fuel Vapor Lock in Extreme Conditions** While rare, the lightweight design could theoretically lead to fuel vaporization issues in high-temperature environments if the tank is not properly vented or if fuel quality is inconsistent.

7. **Learning Curve for Maintenance** Pilots and mechanics unfamiliar with composite fuel systems may require additional training to inspect, handle, or troubleshoot issues with the tank.

8. **Potential for Moisture Trapping** If not properly dried before installation, moisture can become trapped inside the tank, leading to microbial growth or fuel contamination. This requires careful pre-installation procedures.

9. **Limited Secondhand Market** Due to their specialized nature, used Spectra CR11B tanks are less commonly available compared to aluminum tanks, which may limit resale or upgrade options.

10. **Potential for Misalignment During Installation** The tank s lightweight nature means it can shift or become misaligned if not properly secured during installation, leading to fuel sloshing or structural stress.

---

### **Ending Conclusion**

The Spectra CR11B fuel tank is an excellent choice for aircraft owners seeking a lightweight, durable, and low-maintenance solution, particularly in high-performance or experimental aircraft. Its superior strength-to-weight ratio, corrosion resistance, and long service life make it a valuable investment for those prioritizing performance and longevity. However, the higher upfront cost, limited repair options, and potential installation challenges must be carefully considered. For most modern, performance-oriented aircraft especially those in aerobatic or ultralight categories the benefits far outweigh the drawbacks.

### **Recommendation**

If you are operating an aircraft where weight reduction, durability, and minimal maintenance are critical such as in aerobatic flying, ultralight aircraft, or experimental builds the **Spectra CR11B is highly recommended**. Ensure that:

- The tank is properly installed by experienced professionals.

- You account for the higher initial cost in your budget.

- You follow Spectra s guidelines for fuel quality, tank drying, and maintenance to maximize its lifespan.

For standard general aviation aircraft where weight savings are less critical and cost is a major concern, a high-quality aluminum tank may still be a more economical choice. However, for those who prioritize performance and long-term reliability, the Spectra CR11B is an outstanding investment.

Details:

Spectra Premium Fuel Tank P/N:CR11B,. Note: Photos do not always represent the actual product. For kits, photo might show entire kit and listing is only for one component.

part #: cr11b prices

• $246.98-$404.99

specifications fueltanksysteme:

• brand: Spectra Premium
• mpn: Cr11b
• type: Fuel Tank
• material: Material
• item width: 10.900
• item height: 19.800
• item length: 30.300
• upc: 671607900040

shipping fueltanksysteme:

• class: Standard
• type: Fixed
• transit: 2-5 Days
• service: Standard
• cost: $0.00

offer fueltanksysteme:

• quantity: 3
• options: Ship-to-home
• sold: 0
• started: March 25, 2026
• availability: In Stock

returns fueltanksysteme:

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

seller fueltanksysteme:

• city: USA
• # reviews: 85506
• rating: 99.0%

payments fueltanksysteme:

• wallet: Paypal
• other
• credit card: Visa

general fueltanksysteme:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
• condition: New

Spectra Premium CR11B Is Similar To:

• 1347797 Spectra Premium New Fuel (62.7% similar) Vehicles sold outside of the USA may be different, even if they have same make and model name. Shipping labels may only be applied to a separate, outer box...(April 29th, 2017)
• 14508975 Spectra Premium Gallon Fuel Tank For Chevrolet Bel 723650094471 (52.3% similar) Comes with everything and only whats pictured. This item came from an estate buyout. I have other offers with more 1957 Chevy and 1932 ford items. Check them out...(September 20th, 2018)
• 390-fg164a Spectra Fuel Level Sending Unit Mustang (35.3% similar) It is in fully functional shape and its mechanical functionality warranted. Is your mustang fuel gauge not working. The Spectra reproduction unit comes with fuel sender lock ring that holds it to tank as well seal. The condition can be seen in pictures and if there are any questions please feel free...(May 7th, 2018)
• 3bo201653 Vw Oem Set Fuel Tank Strap Spectra Fits Passat (35.2% similar) Oem set 3 fuel tank straps Spectra fits 98,99,00,01,02,03,05,06 VW pasta 8L-V6B-56...(July 10th, 2018)
• 4040786 Spectra Premium Industries Inc (49.3% similar) Enjoy your visit. The tank offered in this offer is 43...(October 18th, 2017)
• 578-264 Dorman Fuel Tank Strap Fits Kia Spectra 037495393751 (31.6% similar) Fuel tank strap doorman fits KIA Spectra in. Fuel tank strap 2 width in: free and fast shipping. Right is the passenger. 8L-L412 month proven warranty. Brands: KIA OE, Leland, rich porter tech, Spectra Premium ind, inc. Fuel tank strap 2 length in: 32. If the human side of business causes a ...(May 11th, 2018)
• 671607130874 Unbranded Spectra Premium St74 (41% similar) Our team has successfully completed well over 1 million individual listings in career. Shipping where are we located do ship. Please directly to resolve any issue...(January 8th, 2018)
• Amc1 Spectra Premium Industries Inc 671607900002 (45.8% similar) 5FUEL tank overall width in: 25. 0FUEL capacity l: 84. 0FUEL pump included: novel system compatibility: carburetor fuel tank coating: lead-tin coating fuel exterior shell thickness in. 50TANK material: Ni-tern steel tank width : 641. Fuel tank Spectra AMC1 fits American motors eagle Asia part ...(July 28th, 2017)
• 890-1067 Auto Metal Direct Spectra Premium Fuel Tank (57.5% similar) Authentic look, precise fit, and durable function are what you can expect from top quality AMD reproductions. Amok carries USA made restoration hardware for's classic American cars. Southwest reproductions has been providing clips, moldings, and hardware for many classic gm, ford Mopar muscle cars ...(February 26th, 2016)
• 1.6l-l4 Autozone Fuel Tank Spectra Premium Mz9 Fits 90-95 Mazda 323 576-722 Imz9 (36.5% similar) 875FUEL tank overall width in 32. Military id, Mexican voter registration card, passport, us. Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise lock ring included with each tank to reduce installation time and to ensure a ...(May 14th, 2016)
• Bm1a Spectra Premium Industries Inc 671607907018 (45.8% similar) If yes add SIDS PDF Google class path: vehicles parts vehicle accessories motor systems tanks marketing innovative engineering, manufacturing technology quality control ensure that tanks meet or exceed the performance of original equipment they replace. At adopts. This part fits vehicles made in the...(July 2nd, 2017)