Excavator electrical failures—especially voltage regulator faults—can idle a machine mid-project, disrupting site schedules and inflating maintenance budgets. The YUE CAI 504-4489 Voltage Regulator for EM10-A Excavator, supplied by Guangzhou Tianhe…
Company Profile
Guangzhou Tianhe District Zhuji Yuecai Machinery Business Department, based in Guangdong, China, operates within the engineering and construction machinery parts segment. The company is listed as a supplier of excavator spare parts, with a focus on electronic control units (ECU/ECM), injectors, and wiring harnesses. This specialization aligns with the increasing electrification of heavy equipment, where precise voltage control is critical for engine and hydraulic performance.
The department supplies the YUE CAI 504-4489 Voltage Regulator for the EM10-A excavator, a part identified by its OEM-style part number. With a listed warranty of one year and a minimum order quantity of one piece, the supplier positions this component for both individual machine repairs and small-batch distributor purchases. Buyers evaluating new sources for excavator electrical parts will find the company’s product data limited but sufficient for initial qualification; additional technical documentation may be requested through direct inquiry.
Applications
In excavator operations, voltage regulator failure is a common but disruptive fault. When the regulator fails, the electrical system may deliver unstable voltage to the engine control module, sensors, and actuators, leading to erratic performance or complete machine shutdown. For a construction site or quarry, an idle excavator translates directly into lost productivity and penalty costs. The YUE CAI 504-4489 Voltage Regulator is specified for the EM10-A excavator, providing a direct replacement option that can be sourced in single-piece quantities—an advantage for emergency repairs or trial orders.
Fleet managers and parts distributors evaluating this supplier will note the one-year warranty, which offers a baseline assurance for a component that is otherwise difficult to validate without installation. The unit price range of US$500 to US$600 positions it competitively against OEM alternatives, though buyers should confirm compatibility with their specific excavator variant. The supplier’s broader catalogue—including ECU/ECM units, injectors, and harnesses—suggests the capability to support multiple electrical subsystems of the EM10-A and potentially other models upon request.
Excavators operate in harsh conditions—dust, vibration, and temperature swings—making the voltage regulator a wear-prone component. A reliable replacement part can shorten unplanned downtime and extend the service life of the machine’s electronic systems. For sourcing directors, the ability to order just one regulator without minimum quantity penalties allows controlled testing on a live machine before committing to a larger replenishment program.
Product Description
The YUE CAI 504-4489 is listed as a regulator for excavator spare parts, carrying the part number 504-4489. The supplier identifies this component for the EM10-A excavator, though the exact electrical specifications—such as output voltage, current rating, or connector type—are not published in the product listing. Buyers requiring these technical parameters should request the detailed datasheet from the supplier before ordering.
| Attribute | Value |
|---|---|
| Brand Name | yuecai |
| Place of Origin | Guangdong, China |
| Warranty | 1 Year |
| Application | Excavator Spare Parts |
| Product Name | regulator |
| Part Number | 504-4489 |
| MOQ | 1PC |
| Selling Units | Single item |
| Video outgoing-inspection | Not Available |
| Machinery Test Report | Not Available |
| Price Range | US$ 500.00 - 600.00 |
The absence of video outgoing-inspection and machinery test report options indicates that standard pre-shipment inspection documentation may not be provided for this SKU. Buyers with strict quality requirements should clarify verification procedures during the RFQ stage. The one-year warranty is a notable point of confidence, as many aftermarket electrical components are sold without any coverage. However, warranty claim procedures—such as the need for installation by a certified technician or return shipping responsibilities—should be confirmed in writing before purchase.
OEM & Customization
For importers and distributors, the ability to order a single piece of the 504-4489 regulator reduces the financial risk associated with verifying fitment and quality. The supplier’s positioning as a provider of ECU/ECM units, injectors, and harnesses indicates a specialization in aftermarket electronic components for excavators, which may serve as a single-source option for multiple part numbers. However, customization services—such as private labeling or parameter adjustments—are not stated in the available product data. Buyers with such requirements should address them explicitly in the inquiry stage.
Given the supplier’s location in Guangdong, China—a major manufacturing hub for heavy equipment components—the business may leverage local supply chains to offer competitive pricing. Yet, without published certifications or test reports, procurement teams should treat the first order as a qualification purchase, requesting samples or references where possible.
CTA
Category managers and sourcing directors evaluating this regulator are advised to submit an RFQ that includes the part number 504-4489, the target excavator model (EM10-A), and required quantities. Clear communication of delivery expectations and quality documentation needs will streamline the supplier’s response. Because the product is priced per single unit, buyers can initiate a low-volume pilot order to verify performance before committing to larger stock purchases.
Disclaimer
The product specifications and supplier details presented in this article are based solely on the data provided in the original listing. Buyers are responsible for confirming all technical parameters, compatibility, warranty terms, and export compliance with the supplier prior to placing an order. No third-party testing or certification claims are implied.
Typical Sourcing Timeline
For buyers new to this supplier, a structured sourcing process reduces uncertainty. The following steps outline a typical RFQ-to-order sequence without specifying durations, as lead times vary by destination and order volume:
- Submit RFQ: Buyer sends a detailed request including part number, model, quantity, and required documentation.
- Supplier Confirmation: Supplier confirms availability, price, and payment terms, and issues a proforma invoice if requested.
- Optional Sample Order: Buyer places a single-piece order to verify fitment and quality on a live machine.
- Bulk Order Negotiation: Upon successful sample evaluation, buyer negotiates volume pricing and delivery schedule.
- Production and Quality Check: Supplier prepares the order; buyer may arrange third-party inspection if needed.
- Shipment and Delivery: Goods are shipped via agreed Incoterms; buyer handles customs clearance and installation.
Related product: YUE CAI 504-4489 Voltage Regulator for EM10-A Excavator
