Description
Product Overview
The FyJcBdd ECU Replacement Relay is designed specifically for Hisun Massimo, Bennch HS, MSU500/550 UTV, and 500 Sector Vector models. Measuring just 0.39 x 0.39 x 0.39 inches and weighing 1.76 ounces, this compact unit fits seamlessly into the original ECU housing. Constructed from high‑strength materials, it undergoes rigorous testing to ensure stable operation in harsh environments, providing a reliable boost to engine control and overall vehicle performance.
![[Product front view showing all components]](https://www.holisticbuy.store/wp-content/uploads/2026/06/6fd92ff86c2146108392251bca950aa2.jpg)
Usage
Ideal for off‑road enthusiasts, trail riders, and anyone seeking improved power output from their UTV, this relay works in any standard automotive environment. Simply replace the factory ECU relay—no wiring changes or additional programming required. The unit is suited for both recreational and professional use, delivering consistent performance whether navigating rocky trails or hauling equipment.
Why Choose Us
FyJcBdd combines genuine OEM part numbers (39200‑113E‑0000 and 33200‑055C‑000) with premium manufacturing processes to guarantee compatibility and durability. Our relay lifts ECU restrictions, enhancing power and fuel efficiency without compromising reliability. Each unit is backed by thorough quality checks and a responsive after‑sales support team ready to assist with installation queries.
Key Features
- Direct fit for Hisun Massimo and compatible UTV models eliminates complex modifications
- High‑strength construction ensures long service life even in extreme conditions
- Boosts engine power and fuel efficiency by removing original ECU limits
- Lightweight design (1.76 oz) maintains overall vehicle balance
- Dedicated customer support and warranty for peace of mind
FAQ
Will this relay work on my 2024 Hisun Massimo?
Yes, the relay is compatible with all Hisun Massimo models, including the 2024 version, as it matches the original ECU specifications.
Do I need any special tools to install the relay?
No special tools are required. The relay is a direct plug‑and‑play replacement for the factory unit.
Can this relay improve fuel economy?
By lifting ECU restrictions, the relay allows the engine to operate more efficiently, which can result in noticeable fuel savings under normal riding conditions.
Is there a warranty on this product?
All FyJcBdd relays come with a one‑year limited warranty covering manufacturing defects.
What if I have trouble with the installation?
Our support team is available to guide you through the installation process via email or phone, ensuring a smooth upgrade experience.
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