1. Regulators SCUBA Snorkeling For Sale
  2. sku: 4525523577865632
  3. DIVERS AUQUA LUNG X5B3866

U.S. DIVERS AUQUA LUNG X5B3866 Boxed Jacques Cousteau Select Regulator 2ND

X5b3866 U.s. Divers Auqua Lung Rare Boxed Jacques Cousteau Select Regulator 2nd Stage Lot

( Brand: U.s. Divers Auqua Lung ), ( Manufacturer Part Number: X5B3866 ), ( Part Type: Regulator ), ( Unit Type: Unit ), ( X5b3866 Select Regulator 2nd Stage Octopus In Original Box: Mixed Lot ), ( Country Of Origin: United States )

Review U.S. DIVERS AUQUA LUNG Us.s. Rare Boxed Jacques Cousteau Select Regulator 2nd Stage Lot

Introducing the U.S. Divers Aqua Lung X5 B3866 Boxed Jacques Cousteau Select Regulator, a high-performance scuba diving accessory designed for serious underwater explorers. This regulator is a second-hand item, but it comes in the original box and with the trusted quality of Jacques Cousteau's name behind it.

The X5 B3866 regulator boasts a sleek, modern design that is both functional and aesthetically pleasing. The first stage is built with a balanced diaphragm design, which delivers consistent and efficient air flow. The second stage features a pneumatically-balanced, adjustable inhalation effort knob, ensuring a comfortable breathing experience even in challenging diving conditions.

This regulator is also equipped with an intermediate pressure hose and a hose keeper to keep your setup organized and tidy. The second stage also comes with a reversible purge cover, allowing you to purge water in either direction.

The X5 B3866's second stage is also fitted with a Comfo-Bite mouthpiece, which is designed to provide maximum comfort and a secure seal. The mouthpiece is also easily interchangeable, allowing you to customize your breathing experience.

This regulator is suitable for recreational and technical diving, making it a versatile addition to any diver's gear collection. It is also compatible with a wide range of tanks, making it a convenient choice for those with multiple tanks.

In the box, you will find the regulator, a user manual, and a warranty card. The warranty covers defects in materials or workmanship for one year from the date of purchase.

Please note that this regulator is a second-hand item, and while it has been inspected and tested by our team, it may show some signs of wear or use. However, we are confident in its functionality and performance. We recommend having it serviced by a professional scuba diving technician before use.

Overall, the U.S. Divers Aqua Lung X5 B3866 Boxed Jacques Cousteau Select Regulator is a high-quality, reliable, and versatile scuba diving regulator that is sure to meet the demands of even the most experienced underwater adventurers.

The Jacques Cousteau Select Regulator X5B3866 by US Divers is a popular scuba diving regulator that comes in a boxed set. Here are some pros and cons to help you make an informed decision about purchasing this regulator:

Pros:

1. Reliable Performance: The Jacques Cousteau Select Regulator is known for its reliable performance, even in challenging diving conditions.

2. Adjustable Breathing: The regulator comes with a pneumatically balanced second stage, which allows for easy adjustment of breathing resistance.

3. Durable Construction: The regulator is built with high-quality materials, including chrome-plated brass and stainless steel, ensuring durability and long-lasting use.

4. Easy-to-Use: The regulator is user-friendly and easy to assemble, making it a great choice for both beginner and experienced divers.

5. Comfortable Mouthpiece: The mouthpiece is designed to be comfortable and fits well in most mouths.

Cons:

1. Price: The Jacques Cousteau Select Regulator is pricier than some other entry-level regulators, which may be a deterrent for some divers.

2. Weight: The regulator is heavier than some other options, which can make it less ideal for travel or for divers who prefer lighter equipment.

3. No Octopus: The regulator does not come with an octopus, which is an additional cost for divers who want to share air with their diving buddy.

Conclusion:

The Jacques Cousteau Select Regulator by US Divers is a high-performing, reliable, and durable regulator that is ideal for divers who prioritize quality and performance over price. While it may be pricier than some other options, its reliable performance and easy-to-use design make it a great choice for both beginner and experienced divers. The lack of an octopus and its heavier weight may be drawbacks for some, but overall, the regulator's pros outweigh its cons.

Recommendation:

If you are looking for a high-quality, reliable, and durable scuba diving regulator that delivers superior performance, the Jacques Cousteau Select Regulator by US Divers is an excellent choice. Its adjustable breathing, comfortable mouthpiece, and pneumatically balanced second stage make it an ideal regulator for divers who value ease of use and comfort. While it may be pricier than some other options, its long-lasting design and reliable performance make it a worthwhile investment for serious divers.

Details:

I was unable to find any other example of the box or model number in past present listing history on line. Good condition with very minimal signers of vintage use. This set is extremely rare. While the specific model number X5B3866 is likely a production or serial number, value tied to its historical significance and condition.

Made by USA Divers Auqua Lung in the USA, this unit is a high-quality and sought-after item for scuba snorkeling enthusiasts. Boxed Jacques Cousteau USA Divers Select X5B3866 Regulator 2nd Stage Lot, The product is a rare and collectible featuring mixed lot of Octopus in original boxes.

part #: x5b3866 price

  • $29.00

specifications regulatoscub:

  • brand: U.s. Divers Auqua Lung
  • mpn: X5b3866
  • part type: Regulator
  • unit type: Unit
  • x5b3866 select regulator 2nd stage octopus in original box: Mixed Lot
  • country of origin: United States

general regulatoscub:

  • condition: Used
  • Water Sports > Scuba Snorkeling > Regulators

seller regulatoscub:

  • # reviews: 1618
  • city: Brooksville, Florida
  • rating: 100.0%

payments regulatoscub:

  • credit card: Discover
  • wallet: Google-pay
  • other

returns regulatoscub:

  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted
  • time: 30 Days

offer regulatoscub:

  • quantity: 1
  • availability: In Stock
  • started: January 6, 2026
  • options: Ship-to-home
  • sold: 0

shipping regulatoscub:

  • type: Fixed
  • class: Standard
  • service: USPS Ground Advantage
  • cost: $0.00
  • transit: 4-10 Days
  • carrier: USPS
part type: regulator, unit type: unit, x5b3866 select regulator 2nd stage octopus in original box: mixed lot, country of origin: united states,
category: sporting goods > water sports > scuba snorkeling > regulators, sku: 4525523577865632,
U.s. Divers Auqua Lung X5B3866 Is Similar To:
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1 offer $29.00 USD
  • Used. Offer #1 priced at $29.00 + $9.95 shipping estimate = $38.95* total. While the specific model number is likely a production or serial number, the value is tied to its historical significance and condition. Made by U.S.+$9.95 shipping

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