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Item #:
138254893
149-2311 Fuel Pump 149-2457 Fuel Filter and 1403280 Air Filter Tune Up Kit Compatible with Onan Cummins Generator RV 4000 4KW Microlite MicroQuiet
90% of respondents would recommend this to a friend
Item #:
138254893
USD 42
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Order now and get it around Monday, September 28
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What Stands Out
Complete Tune-Up Solution
This kit includes a fuel pump, fuel filter, and air filter, providing everything necessary for a comprehensive maintenance solution for Onan Cummins Generator, ensuring optimal performance and efficiency.
Compatibility Assurance
Designed specifically for Onan Cummins RV generators, this kit ensures perfect fit and compatibility, simplifying installation and eliminating issues related to incorrect parts.
Enhanced Generator Performance
Regularly replacing filters and pumping components elevates generator performance by improving fuel efficiency and reducing emissions, leading to a cleaner, more reliable power source for your RV adventures.
Product Details
| Fit Type | Universal Fit |
| Compatible with Vehicle Type | Generator |
| Auto Part Position | Rear |
| Outlet Connection Type | Barb |
| Inlet Connection Type | Hose Barb |
| Mounting Type | Tank Mount |
| Operation Mode | Automatic |
| Product Grade | Replacement Part |
| Automotive Fit Type | Universal Fit |
| OEM Equivalent Part Number | 1403280, 149-2311, 149-2457 |
| Connector Type | Barb |
| Material Type | Stainless Steel |
| Body Material | Stainless Steel |
| Product Style | Rotary Vane |
| Brand Name | sworwin |
| Manufacturer Part Number | 149-2311 |
| Unit Count | 7 Count |
| Manufacturer | MODIXY |
| Number of Packs | 1 |
| Number of Items | 1 |
| Included Components | 4x Clamps, 1x Fuel Line, 1x Cleaning Brush |
| Model Number | KY 3600 4000 |
| Specification Met | OE |
| Brand | sworwin |
| Vehicle Service Type | Generator |
| Material | Stainless Steel |
| Style | Rotary Vane |
| Item Weight | 1 lbs (450 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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RV Owners
Ideal for RV owners needing reliable maintenance and parts for their Onan Cummins generators for optimal performance.
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Frequent Campers
Perfect for campers who regularly use their generators and require efficient fuel and air filters for consistent operation.
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DIY Enthusiasts
Suitable for DIY enthusiasts comfortable with basic generator maintenance and seeking cost-effective tune-up solutions.
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Non-Onan Generators
Not suitable for owners of generators from other brands as compatibility issues may arise during installation.
Product Description
149-2311 Fuel Pump 149-2457 Fuel Filter and 1403280 Air Filter Tune Up Kit Compatible with Onan Cummins Generator RV 4000 4KW Microlite MicroQuiet Generators
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is included in the 149-2311 Fuel Pump, 149-2457 Fuel Filter, and 1403280 Air Filter Tune Up Kit?
Answer: The Tune Up Kit includes the 149-2311 Fuel Pump, 149-2457 Fuel Filter, and 1403280 Air Filter. These components work together to maintain optimal engine performance in your Onan Cummins RV generator. The fuel pump ensures proper fuel delivery, the fuel filter protects the engine from debris, and the air filter ensures clean air intake. Regular maintenance using this kit will help your generator run efficiently and extend its lifespan. -
Question:
Is this Tune Up Kit compatible with all Onan Cummins generators?
Answer: This Tune Up Kit is specifically designed for Onan Cummins RV 4000 4KW Microlite MicroQuiet Generators. It is important to check your generator’s model to confirm compatibility before purchasing, as using the wrong components may lead to performance issues. For those owning the specified model, this kit will optimize generator function, reducing the risk of breakdowns during essential usage. -
Question:
How often should I replace the components in the Tune Up Kit?
Answer: The components in the Tune Up Kit, including the fuel pump, fuel filter, and air filter, should generally be replaced during routine maintenance. For best results, it's advised to inspect and replace these elements annually or after every 150 hours of operation. Regularly replacing these parts helps prevent costly repairs and ensures your generator runs smoothly during critical times, such as camping trips or power outages. -
Question:
What are the symptoms of a failing fuel pump in my generator?
Answer: Symptoms of a failing fuel pump can include difficulty starting the generator, inconsistent power output, and engine stalling during operation. If you experience a sudden drop in performance or notice unusual sounds from the engine, it’s crucial to check the fuel pump and other related components promptly. Addressing these issues with the Tune Up Kit can restore proper function and reliability for your RV adventures. -
Question:
Why is using the right fuel filter important for my generator?
Answer: Using the correct fuel filter, such as the 149-2457 included in this kit, is vital as it prevents contaminants from reaching the engine. A clogged or incorrect filter can impair fuel flow, leading to suboptimal performance and potential damage. This filter is designed to effectively trap impurities, ensuring that your generator runs efficiently, especially during high-demand periods, such as long trips or emergencies. -
Question:
Can I install the Tune Up Kit components myself?
Answer: Yes, installing the components in the Tune Up Kit yourself is feasible for those comfortable with basic mechanical tasks. The process typically involves locating the existing fuel pump, fuel filter, and air filter and replacing them with the new parts. Always refer to the user manual for your Onan Cummins generator for specific instructions. Performing this maintenance yourself can be rewarding and allows for immediate troubleshooting if performance issues arise. -
Question:
How does the air filter affect my generator’s performance?
Answer: The air filter, such as the 1403280 included in this kit, plays a critical role in your generator's performance by ensuring clean air intake, which is essential for efficient combustion. A clogged air filter can reduce power output, increase fuel consumption, and lead to engine wear. Regularly replacing the air filter helps maintain optimal air-fuel mixture and enhances overall generator efficiency, crucial for reliable operation during your travels. -
Question:
What maintenance tasks accompany the installation of this Tune Up Kit?
Answer: In addition to installing the Tune Up Kit, it’s beneficial to check the engine oil level, inspect spark plugs, and clean or replace any essential parts such as ignition systems. Performing these tasks concurrently helps ensure that your generator operates at peak performance. Regular maintenance provides peace of mind and reduces the likelihood of being stranded due to equipment failure while on the road. -
Question:
Where can I buy the 149-2311 Fuel Pump, 149-2457 Fuel Filter, and 1403280 Air Filter Tune Up Kit compatible with Onan Cummins generators in British Virgin Islands?
Answer: You can purchase the 149-2311 Fuel Pump, 149-2457 Fuel Filter, and 1403280 Air Filter Tune Up Kit on Ubuy. Ubuy is a trusted online marketplace that offers a wide selection of generator parts, ensuring that you have access to quality components for your Onan Cummins generator. The platform’s user-friendly interface and detailed product descriptions make it easier to find exactly what you need. -
Question:
Are there any special tools required for installation?
Answer: Typically, no specialized tools are needed to install the components of the Tune Up Kit. Basic tools such as wrenches, screwdrivers, and possibly a ratchet set should suffice in most cases. Ensure your workspace is clean and organized to facilitate a smooth installation process. Having the right tools on hand can make the job quicker and less complicated, allowing you to get back to using your generator sooner.
sworwin Electric Fuel Pumps KY 3600 4000 Editorial Review
The 149-2311 Fuel Pump, 149-2457 Fuel Filter, and 1403280 Air Filter Tune Up Kit compatible with the Onan Cummins Generator RV 4000 4KW Microlite MicroQuiet has garnered positive feedback from customers who appreciate its value and performance. Users report that the kit significantly rejuvenates their generators, bringing them back to optimal functioning levels. The combination of components in the kit ensures that not only does the engine run smoothly, but it also addresses common issues faced with older units. However, some customers noted that while the primary components of the kit perform excellently, the provided accessories fell short of expectations. Complaints about the gas line being non-reinforced and the pipe clamps being too weak to secure the filters effectively highlight the need for improvements in these areas. Despite these concerns, users found the performance of the main parts compelling enough to continue using the kit, with many expressing willingness to purchase again, should the accessory issues be resolved. In summary, the kit is praised for its core components and overall effectiveness in enhancing generator performance, but the quality of associated accessories could use enhancements. **
Customer Reviews & Ratings
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Pros
- Significantly improves generator performance.
- Complete kit offers great value for money.
- Main components function better than originals.
Cons
- Subpar quality of provided accessories (gas line and pipe clamps).
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8 September 2026 · via Trustpilot
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USD 42
Order now and get it around Monday, September 28
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Features & Benefits
- Direct replacement for several fuel pump models.
- Compatible with MicroQuiet 3600 and 4000 Generator Models.
- Built to meet OEM standards for optimal performance.
- Durable materials ensure reliability in harsh conditions.
- Maintains quality and dependability as a perfect replacement.
- Careful comparison with the original part is recommended for compatibility.
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