FUEL PUMP FACTORY FP-21 Cat 550S

( Brand: Fuel Pump Factory ), ( Manufacturer Part Number: FP-21 ), ( Machine Type: Atv ), ( Oe Spec Or Performance/custom: Oe Spec ), ( Previous Arctic Cat Part Number: Arctic Cat 0870-207 ), ( Interchange Part : All Balls 47-2009 ), ( Fitment Type: Direct Replacement ), ( Vehicle Type: Atv, Utv ), ( Compatible Model: 550 700 1000 Efi Atv ), ( Fuel Pump Drive Type: Electrical ), ( Other Interchange: 709000662, 2204945, 2521321, 2521201-d, Bosch 566 ), ( California Prop 65 Warning: Yes ), ( Fuel Type: Gasoline ), ( Interchange: 2521363-e, 2521117-c, 2521363-e, 2521327, 2521327-d ), ( Type: Fuel Pump ), ( Polaris Interchange: 2205374, 2205374, 2521389-f, 2521707-g ), ( Compatible Make: Arctic Cat ), ( Manufacturer Warranty: Lifetime ), ( Oe/oem Part Number: 0570-436 ), ( Polaris Interchange Part Number: 2521693, 2204852 2521307 2521091, 2521198, 2204402 )

Review FUEL PUMP FACTORY Arctic Cat fits H1 TRV 550 700 1000

The **Arctic Cat FP-21 Fuel Pump** is a high-performance, direct-fit replacement designed specifically for Arctic Cat engines in the **550, 550S, 700, and 1000 TRV H1 series**, ensuring reliable fuel delivery in demanding off-road and recreational applications. Engineered with precision, this fuel pump features a robust **electric motor assembly** that provides consistent, high-volume fuel flow, eliminating clogs and ensuring smooth engine operation even under heavy loads or in extreme conditions. Constructed from **durable, corrosion-resistant materials**, including high-grade stainless steel and reinforced plastic components, the FP-21 is built to withstand the harshest environments whether battling through dense forests, navigating rocky terrain, or enduring prolonged exposure to moisture and dust. Its **sealed design** prevents fuel leaks and contamination, while the **self-priming mechanism** guarantees instant startup, reducing pre-operation fuel priming time and minimizing wear on the engine. The pump s **direct-fit compatibility** ensures a seamless installation, requiring no modifications to the original fuel system, making it an ideal upgrade for both new builds and maintenance projects. Whether used in snowmobiles, ATVs, or utility vehicles, the FP-21 delivers **consistent performance, extended engine life, and peace of mind** by maintaining optimal fuel pressure and flow, even in the most challenging operating conditions. Built to Arctic Cat s exacting standards, this fuel pump is a trusted choice for enthusiasts and professionals who demand reliability without compromise.

### Pros and Cons of Buying a Fuel Pump (FP-21) for Arctic Cat 550/550S/700/1000 TRV H1

1. **Compatibility and Fit:** The FP-21 is specifically designed for Arctic Cat engines in the 550, 550S, 700, and 1000 TRV H1 series, ensuring a proper fit without modifications. This reduces the risk of leaks, improper installation, or performance issues.

2. **Reliability and Durability:** Fuel pumps like the FP-21 are built to handle the demands of marine and recreational applications, including cold starts, high flow rates, and resistance to fuel contamination. A quality pump minimizes the risk of failure, which can be costly and disruptive, especially in remote or off-grid locations.

3. **Performance Consistency:** A well-functioning fuel pump ensures a steady and adequate supply of fuel to the engine, preventing issues like stalling, hesitation, or poor throttle response. This is particularly important for engines used in demanding conditions like towing or high-speed operation.

4. **Ease of Installation:** The FP-21 is designed for straightforward installation, often requiring minimal tools and no specialized expertise. This makes it a practical upgrade for DIY enthusiasts or those without access to professional mechanics.

5. **Preventative Maintenance:** Replacing an aging or failing fuel pump before it completely breaks down can save money in the long run. A new pump reduces the risk of fuel starvation, which can damage other engine components like the carburetor or fuel injectors.

6. **Compatibility with Fuel Additives:** The FP-21 is typically designed to work with common fuel additives (e.g., stabilizers, ethanol blends) without clogging or degrading performance, provided the additives are compatible with the pump s materials.

7. **Warranty and Support:** Reputable manufacturers often provide warranties or customer support for their fuel pumps, offering peace of mind in case of defects or installation issues.

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1. **Cost:** A quality fuel pump like the FP-21 is not inexpensive. Depending on the brand and retailer, prices can range from $100 to $300 or more. This may be a significant investment for some owners, especially if the pump is being replaced due to routine maintenance rather than a critical failure.

2. **Potential for Counterfeit or Low-Quality Pumps:** Purchasing from untrusted sellers or aftermarket brands may result in inferior products that fail prematurely or do not fit properly. Always verify the authenticity and reputation of the seller.

3. **Installation Challenges:** While the FP-21 is designed for ease of installation, some users may encounter difficulties if they lack mechanical experience. Improper installation (e.g., incorrect wiring, leaks, or misalignment) can lead to performance issues or damage to the pump.

4. **Ethanol and Fuel Quality Concerns:** Modern fuels, especially those with ethanol blends, can degrade rubber and plastic components in older fuel pumps over time. While the FP-21 is typically ethanol-resistant, prolonged exposure to poor-quality fuel can still cause wear or clogging.

5. **Maintenance Requirements:** Fuel pumps require periodic inspection and maintenance, such as cleaning fuel lines, checking for leaks, and ensuring proper electrical connections. Neglecting these steps can reduce the pump s lifespan.

6. **Compatibility with Modifications:** If the engine has been modified (e.g., upgraded carburetion, turbocharging, or fuel injection), the FP-21 may not provide sufficient flow rate. In such cases, a higher-capacity pump may be necessary, increasing costs.

7. **Time and Downtime:** Replacing a fuel pump requires removing the engine cover, disconnecting wiring, and possibly draining fuel. This process can take several hours, especially for inexperienced users, leading to downtime for the boat or vehicle.

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The FP-21 fuel pump is a **highly recommended upgrade** for Arctic Cat 550/550S/700/1000 TRV H1 engines, particularly for owners who prioritize reliability, performance, and longevity. Its direct compatibility, durability, and ease of installation make it a practical choice for both routine maintenance and troubleshooting fuel-related issues.

However, the decision to purchase should consider the **upfront cost** and the **potential for installation challenges**, especially for those without mechanical experience. To maximize benefits, ensure the pump is sourced from a reputable dealer, and follow installation guidelines carefully. If the engine has been heavily modified or is used in extreme conditions, consult with a professional to determine if a higher-capacity pump is needed.

- **Buy the FP-21** if you are experiencing fuel delivery issues, plan to perform regular maintenance, or want to prevent future failures.

- **Verify the seller s reputation** to avoid counterfeit or low-quality pumps.

- **Follow installation instructions precisely** to ensure proper function and longevity.

- **Consider professional installation** if unsure about handling the process yourself.

- **Use high-quality fuel and additives** to protect the pump and engine components.

For most Arctic Cat owners, the FP-21 is a worthwhile investment that enhances engine performance and reduces the risk of costly repairs down the line.

Details:

Fuel Pump For Arctic Cat 550 550S 700 1000 TRV H1 Thunder cat EFI, 2006 -2010, OEM 0570-139, 0570-207, 0570-271.

part #: fp21 prices

• $59.98-$196.64

specifications fuepumintak:

• for models: H1, Trv, 550, 700, 1000
• for makes: Arctic, Arctic-cat
• brand: Fuel Pump Factory
• mpn: Fp-21
• machine type: Atv
• oe spec or performance/custom: Oe Spec
• previous arctic cat part number: Arctic Cat 0870-207
• interchange part : All Balls 47-2009
• fitment type: Direct Replacement
• vehicle type: Atv, Utv
• compatible model: 550 700 1000 Efi Atv
• fuel pump drive type: Electrical
• other interchange: 709000662, 2204945, 2521321, 2521201-d, Bosch 566
• california prop 65 warning: Yes
• fuel type: Gasoline
• interchange: 2521363-e, 2521117-c, 2521363-e, 2521327, 2521327-d
• type: Fuel Pump
• polaris interchange: 2205374, 2205374, 2521389-f, 2521707-g
• compatible make: Arctic Cat
• manufacturer warranty: Lifetime
• oe/oem part number: 0570-436
• polaris interchange part number: 2521693, 2204852 2521307 2521091, 2521198, 2204402

seller fuepumintak:

• # reviews: 1583
• rating: 99.6%
• city: Denver, Colorado

offer fuepumintak:

• options: Ship-to-home
• sold: 0
• started: February 23, 2026
• quantity: 1
• availability: In Stock

shipping fuepumintak:

• service: USPS First Class
• transit: 3-8 Days
• type: Fixed
• carrier: USPS
• cost: $3.99
• class: Standard

returns fuepumintak:

• paid by: Seller
• time: 14 Days
• policy: Returns Accepted

payments fuepumintak:

• wallet: Paypal
• credit card: Discover
• other

general fuepumintak:

• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Fuel Pumps Sending Units
• condition: New

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