fits model: 860e, Rsx, Gator. make: John-deere. year: 2011–2021.

( Brand: Aisin ), ( Manufacturer Part Number: FUPAZ-01373 ), ( California Prop 65 Warning: Yes ), ( Type: Fuel Pump ), ( Items Included: Harness, Strainer, Sealing Ring ), ( Oe/oem Part Number: Auc11498 ), ( Manufacturer Warranty: 1 Year ), ( Country Of Origin: Thailand ), ( Compatible Make: John Deere ), ( Operating Voltage: 12v ), ( Model-1: Gator Rsx 850i, Gator Rsx 860e, Gator Rsx 860m, Gator Xuv 590e ), ( Fitment Type: Direct Replacement ), ( Model-2: Gator Xuv 590m, Gator Xuv 625i, Gator Xuv 825i )
The **Aisin FUP-AZ-01373 Electric Fuel Pump Kit** is a premium, high-performance upgrade designed specifically for Deere Gator RSX 850i, 860E, and 860M models produced between 2011 and 2021. Engineered to deliver superior fuel delivery efficiency, this kit replaces the stock fuel pump with a robust, electronically controlled unit that ensures consistent pressure, reduced fuel starvation, and enhanced overall engine performance. Crafted with precision by Aisin, a trusted name in automotive and off-road components, this kit features a durable, corrosion-resistant construction that withstands the demanding conditions of frequent use in both on-road and off-road environments. The electric fuel pump operates silently, eliminating the humming noise often associated with older mechanical pumps, while its advanced design minimizes fuel vapor lock and air entrainment, ensuring a steady and uninterrupted fuel supply to the engine. Ideal for enthusiasts seeking reliability and longevity, this kit is a direct-fit replacement that requires minimal installation effort, with straightforward wiring and mounting compatible with the Gator s existing fuel system. Whether you re tackling rugged trails, hauling heavy loads, or simply enjoying extended rides, the Aisin FUP-AZ-01373 guarantees smoother acceleration, better throttle response, and reduced risk of fuel-related issues, making it an indispensable upgrade for any Gator owner prioritizing performance and durability.
### **Pros and Cons of buying a Aisin FUP-AZ-01373 Electric Fuel Pump Kit for Deere Gator RSX 850i/860E/860M (2011 2021)**
#### **Pros:**1. **Compatibility** The Aisin FUP-AZ-01373 is specifically designed for the Deere Gator RSX models (850i, 860E, 860M) from 2011 to 2021, ensuring a direct fit without major modifications.
2. **Reliability** Aisin is a well-known manufacturer in the automotive and marine aftermarket, known for producing durable fuel pumps that reduce the risk of premature failure.
3. **Performance** This electric fuel pump is designed to deliver consistent fuel flow, helping prevent engine stalling, rough idling, or fuel starvation issues that can occur with aging or failing stock pumps.
4. **Ease of Installation** The kit typically includes all necessary components (pump, gaskets, mounting hardware, and sometimes wiring) for a straightforward replacement, reducing labor time.
5. **Preventative Maintenance** Replacing the fuel pump as part of routine maintenance can extend the life of the engine and fuel system, avoiding costly repairs from fuel-related failures.
6. **Warranty Coverage** Many reputable sellers offer warranties (e.g., 1 2 years) on the pump, providing peace of mind against defects.
7. **Cost-Effective Alternative** Compared to OEM replacements, this aftermarket kit is often more affordable while maintaining high quality.
#### **Cons:**1. **Potential Quality Variations** While Aisin is a trusted brand, counterfeit or low-quality knockoffs may exist in the aftermarket. Purchasing from a verified dealer (e.g., Amazon, RockAuto, or a trusted marine/lawn equipment supplier) helps mitigate this risk.
2. **Installation Complexity** If the user lacks mechanical experience, draining fuel, removing the old pump, and ensuring proper sealing can be challenging. Improper installation may lead to leaks or electrical issues.
3. **Fuel System Compatibility** Some older Gator models may have slight variations in fuel line connections or electrical wiring. Double-checking the kit s specifications and consulting a service manual ensures a perfect fit.
4. **Price Sensitivity** While generally affordable, the cost may still be a concern for budget-conscious buyers, especially if additional parts (e.g., new fuel filter) are needed.
5. **Limited Availability of Spare Parts** If issues arise post-installation, finding replacement parts for an aftermarket pump may be harder than for OEM components.
---
### **Conclusion**
The **Aisin FUP-AZ-01373 electric fuel pump kit** is a strong choice for Deere Gator RSX owners experiencing fuel delivery issues or looking to preemptively replace a worn-out pump. Its compatibility, reliability, and ease of installation make it a practical upgrade for most users. However, buyers should prioritize purchasing from reputable sellers to avoid counterfeit products and ensure proper installation to maximize performance and longevity.
### **Recommendation**
- **Buy from a trusted source** (e.g., Amazon, RockAuto, or a dealer with positive reviews) to confirm authenticity and quality.
- **Follow the installation instructions carefully**, including proper fuel system priming and electrical connection checks.
- **Consider pairing the pump with a new fuel filter** to further improve fuel system health.
- **Monitor the pump s performance** after installation unusual noises, vibrations, or fuel leaks should prompt a recheck of the installation.
For most Deere Gator RSX owners dealing with fuel pump-related symptoms (e.g., hard starting, sputtering, or no-start conditions), this kit offers a **cost-effective, reliable solution** that can restore smooth operation and prevent future engine issues.