
18-7949 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.01 | Condition is New, Sierra Fuel Filter 10 Micron #18-7949 New RP, shipping cost = $8.00 | 99.8% |
![]() | $24.95 | Condition is New, Sierra Fuel Filter 10 Micron #18-7949 Replaces RACOR 3232TUL, FREE SHIPPING | 99.4% |
![]() | $24.88 | Condition is New, Sierra Fuel Filter 10 Micron #18-7949 New RP, shipping cost = $10.95 | 99.4% |
![]() | $41.67 | Condition is New, Sierra 18-7949 Marine Fuel Filter 10 Micron Racor S3232, FREE SHIPPING | ![]() |
![]() | $50.99 | Top Pick! Condition is New, Sierra Fuel Filter 10 Micron 18-7949, FREE SHIPPING | ![]() |
![]() | $48.99 | Top Pick! Condition is New, Sierra 18-7949 Fuel Water Separating Filter, shipping cost = $11.95 | 99.3% |
![]() | $49.47 | Top Pick! Condition is New, Sierra Fuel Filter 10 Micron #18-7949, shipping cost = $14.10 | 99.6% |
![]() | $64.22 | Condition is New, Sierra 18-7949 Fuel Filter, FREE SHIPPING | 98.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $92.48 | Condition is Nuovo, Sierra 118-7949 Fuel Filter, shipping cost = $27.85 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $89.24 | Condition is Neu, Fuel Filter Sierra 118-7949, shipping cost = $30.17 | 99.7% |

The Sierra 18-7949 Fuel Water Separating Filter is a crucial component in ensuring the efficient and reliable operation of diesel engines. This high-performance filter is specifically designed to remove free water and other contaminants from fuel before it enters the engine.
The filter housing is made of durable, corrosion-resistant material, ensuring a long service life even in harsh operating conditions. The filter element is a pleated paper media that provides a large surface area for effective water separation. The element is rated for 10,000 hours of operation and can be easily replaced when needed.
The Sierra 18-7949 Fuel Water Separating Filter features a clear bowl for easy visual inspection of the water collection. The integral bypass valve ensures continuous fuel flow to the engine during filter element replacement or in the event of clogging. The filter also includes a drain valve for easy draining of collected water.
This filter is suitable for use with diesel fuels containing up to 200 ppm (parts per million) of water. It is designed to meet the requirements of OEM specifications for fuel water separating filters and is suitable for use in a wide range of industries, including construction, agriculture, mining, and transportation.
The Sierra 18-7949 Fuel Water Separating Filter is easy to install and maintain. It is recommended to be installed in the fuel line before the fuel filter and water separator. Regular inspection and maintenance of the filter is essential to ensure optimal engine performance and longevity. Overall, this filter is an essential piece of equipment for anyone operating a diesel engine in an environment where water contamination is a concern.
The Sierra 18-7949 Fuel Water Separating Filter is a device designed to remove water from fuel before it enters the engine in applications such as construction equipment, agricultural machinery, and industrial generators. Here are some pros and cons of buying this particular filter:
Pros:1. Effective Water Removal: The filter is designed to remove both free water and water in the form of fine droplets, ensuring that the fuel entering the engine is as dry as possible.
2. Easy Installation: The filter is relatively easy to install, requiring no special tools or extensive mechanical knowledge.
3. Durable Construction: The filter housing is made of high-strength, impact-resistant polypropylene, making it suitable for harsh working conditions.
4. Large Capacity: The filter has a large capacity, allowing it to process a significant amount of fuel before needing to be drained.
5. Multiple Connection Options: The filter comes with multiple connection options, including NPT, JIC, and BSPP thread types, making it compatible with a wide range of fuel systems.
Cons:1. Maintenance Required: The filter needs to be regularly drained and cleaned to ensure optimal performance. This can be time-consuming and may require the use of additional tools and equipment.
2. Cost: Compared to some other fuel water separators, the Sierra 18-7949 can be more expensive.
3. Size: The filter is larger than some other models, which may make it less suitable for applications with limited space.
Conclusion:The Sierra 18-7949 Fuel Water Separating Filter offers effective water removal, easy installation, durable construction, a large capacity, and multiple connection options. However, it requires regular maintenance, is more expensive than some other models, and is larger in size. Ultimately, the decision to purchase this filter depends on the specific requirements of the application and the tradeoffs between performance, cost, and size.
Recommendation:If the application requires reliable water removal from fuel and the cost and size are not major concerns, the Sierra 18-7949 Fuel Water Separating Filter is a solid choice. It offers effective water removal, durability, and ease of installation, making it a worthwhile investment for those who need to ensure their fuel systems are operating at their best.
Details:
Sierra 18-7949 fuel water separating filter.
specifications inboardfuel:
- brand: Sierra
- mpn: 18-7949
- part type: Fuel Filter
- upc: 808282224721
returns inboardfuel:
- time: 30 days
- policy: returns accepted
- paid by: seller
shipping inboardfuel:
- transit: 4-8 days
- type: calculated
- service: usps ground advantage, fedex ground economy
- class: standard, economy
- carrier: usps, fedex
seller inboardfuel:
- city: freeport, new york
- # reviews: 3640
- rating: 99.2%
offer inboardfuel:
- in stock #: 5
- sold #: 9
- started: february 22, 2026
- options: ship-to-home
- prices: $14.01–$92.48
- item condition:
- New
- Nuovo
- Neu
- availability: in stock
payments inboardfuel:
- other
- wallet: paypal
- credit card: discover
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
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