
18-8042 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $8.22 | Top Pick! Condition is New, L1A Genuine Sierra Marine 18-8042 Brass Hose Barb OEM New Factory Boat Parts, shipping cost = $5.95 | ![]() |
![]() | $13.11 | Condition is New, Sierra 18-8042 Marine Hose Barb, 1/4", FREE SHIPPING | ![]() |
![]() | $9.40 | Condition is New, L1A Genuine Sierra Marine 18-8042 Brass Hose Barb OEM New Factory Boat Parts, shipping cost = $5.95 | ![]() |
![]() | $8.23 | Top Pick! Condition is New, Sierra Hose Barb #18-8042, shipping cost = $8.60 | 99.5% |
![]() | $14.00 | Condition is New, Sierra Marine 18-8042 Brass Fuel Hose Barb Fitting 1/4"x1/4" NPT Male, shipping cost = $10.95 | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.00 | Condition is New other (see details), SIERRA 18-8042 HOSE BARB NOS BA1, FREE SHIPPING | 99.5% |

The Sierra 18-8042 marine hose Barb 1/4 is a high-quality marine accessory designed for various applications on boats and other watercraft. Crafted from SIERRA's proprietary 18 series material, this hose barb is known for its superior strength, durability, and flexibility.
The 18-8042 marine hose Barb is engineered to provide a secure and leak-free connection for hoses with a 1/4 inch ID (inner diameter) and a 3/8 inch OD (outer diameter). Its compact and versatile design allows it to be utilized in a range of marine applications, including water intake, water circulating systems, and livewells.
Made from an advanced alloy of lead-free brass, this marine hose Barb is a reliable complement to your marine hose and ensures a long-lasting, rust-free performance even in the harshest marine environments. The barb undergoes a thorough polishing process, guaranteeing a smooth finish that prevents damage to your hose and minimizes the likelihood of leaks.
This marine hose Barb from Sierra is designed to meet or exceed industry standards, ensuring the utmost safety and reliability. It features a ambiguous thread pattern matching BSPP (British Standard Pipe Parallel), CUNA (Council Unified National Apparatus and Accessory threads), and PPG (Pipe Plug and Gland). This versatility makes the Sierra 18-8042 a versatile solution for those requiring a dependable and durable marine hose Barb.
In summary, the Sierra 18-8042 marine hose Barb 1/4 is an indispensable accessory for any boater or mariner. Its durable, reliable, and versatile construction, combined with its leak-free performance, makes this hose barb a must-have for maintaining your marine systems and ensuring the safety and enjoyment of your watercraft.
Pros and Cons of Buying a Sierra 18-8042 Marine Hose Barb 1/4 Inch
The Sierra 18-8042 marine hose barb 1/4 inch is a commonly used component in marine applications for connecting hoses. Let's evaluate the potential advantages and disadvantages of purchasing this part.
Pros:1. Durability: The Sierra 18-8042 marine hose barb is manufactured with heavy-duty brass material that offers superior resistance to corrosion and is designed for use in marine environments where exposure to saltwater, UV rays, and harsh conditions is a daily occurrence.
2. Versatility: This barb can be used with various types of marine hoses and is suitable for low to moderate pressure applications, making it a versatile option for a range of marine systems and applications.
3. Secure Connection: The barb's screw-on design ensures a tight, secure connection between the hose and the barb, minimizing the risk of leaks and reducing the need for frequent maintenance.
4. Easy Installation: These barbs can be easily installed without the need for specialized tools, allowing for quick and hassle-free installation.
5. Compatibility: The 1/4 inch size makes this barb compatible with a wide variety of marine hose sizes and configurations, expanding the possibilities for use.
Cons:1. Cost: While durable and long-lasting, the Sierra 18-8042 marine hose barb 1/4 inch may be more expensive than some other options on the market, making it a higher investment for boat owners with a tight budget.
2. Limited Pressure Rating: This barb is not intended for high-pressure applications, so it may not be suitable for powering certain marine systems like watermakers, MECs, or large livaboard systems that require a higher pressure rating.
3. Potential Thread Damage: If not handled carefully during installation or removal, the threads on the barb may become damaged, potentially leading to leaks or the need for replacement.
4. Limited Size Range: The 1/4 inch size may not be suitable for all marine hose applications, making it necessary to check the compatibility of the hose size before making a purchase.
Conclusion:In conclusion, the Sierra 18-8042 marine hose barb 1/4 inch is a durable and reliable option for boaters looking for a well-built component for their marine systems. Its versatility, easy installation, and secure connection make it a valuable investment for marine applications. However, it may be more expensive compared to some alternatives, and its pressure rating and size range may limit its suitability for certain applications. Overall, this barb is recommended for boaters looking for a dependable and sustainable solution for their low to moderate pressure marine hose applications.
Details:
About Sierra. Connection type: male. Be sure to enter an accurate reason and for the return. Mallory 9-38017-25.
Sierra 18-8042 1/4 Marine hose barb. Pickup is not available. Not size: 1/4 or 6.35mm. Describe the nature of problem and its urgency include pictures if possible.
Every new Sierra part comes with a limited lifetime warranty that covers the useful life of product against any defects in workmanship and materials. Every country is different. Details, barb size: 1/4 or 6.35mm. Warranty, defects, damage, and other problems: this item has a limited lifetime warranty covering any manufacturer defects.
Items heading outside the USA cannot be used for military or government applications. Sierra products are engineered to meet or exceed oem standards, and stand up in harsh Marine environments.
specifications inboardfuel:
- for models: Marine
- brand: Sierra
- mpn: 18-8042
- upc: 808282368722
- type: Hose Barb
- material: Copper
- country of manufacture: United States
- item weight: 0.06 Lbs
seller inboardfuel:
- rating: 100.0%
- city: everett, washington
- # reviews: 39306
returns inboardfuel:
- paid by: seller
- time: 60 days
- policy: returns accepted
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
payments inboardfuel:
- wallet: paypal
- credit card: mastercard
- other
offer inboardfuel:
- sold #: 22
- availability: in stock
- started: january 16, 2025
- prices: $8.22–$14.00
- item condition:
- New
- New other (see details)
- in stock #: 5
- options: ship-to-home
shipping inboardfuel:
- transit: 2-7 days
- class: economy, expedited
- service: economy, expedited
- type: fixed
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