Generator Parts Manufacturer & Supplier

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Welcome to Populace Electronic Co., Ltd.! Discover our latest OEM generator controllers today.

Flexible OEM & ODM supported by our technical team, launching 35–80 new products each year.

Quality promise: full compensation including shipping and tax for defective goods.

About us

About us

Established in 2006, Fujian Kaiyue Electronics Co., Ltd.  has built a solid reputation as a reliable specialist dedicated to the engineering development, production, and marketing of generator components.

Driven by an unwavering focus on technological advancement and product quality, our extensive portfolio comprises automatic voltage regulators (AVRs), controllers, battery chargers, speed control boards, actuators, solenoid valves, rectifier bridges, and more. Our manufacturing operations are based in Xiamen, Fujian, China, spanning a facility of over 4,000 square meters.

Backed by a highly capable workforce of around 70 professionals—including 6 senior technical experts—we possess the robust R&D capability to design and launch 35 to 80 innovative products each year. This relentless drive for continuous improvement and innovation has solidified Fujian Kaiyue Electronics Co., Ltd.'s position as a prominent and leading player in the global generator parts industry.

Generator Parts Manufacturer & Supplier

Top 6 Must-Have Benefits For You

Guaranteed Performance & Satisfaction

Guaranteed Performance & Satisfaction

We offer rigorous quality assurance. For defective products, we support full refunds, with all related shipping costs and taxes covered on our end.

Your Ultimate One-Stop Shop for Generator Parts

Your Ultimate One-Stop Shop for Generator Parts

Choose from an extensive inventory of over 1,000+ distinct SKUs kept constantly in stock, ensuring you can easily find exactly what you are searching for.

Rapid Dispatch & Minimal Order Requirements

Rapid Dispatch & Minimal Order Requirements

Backed by a massive inventory, we offer swift 1-day shipping with a minimum order quantity of just 1 single piece.

Cut Down Your Shipping Expenses

Cut Down Your Shipping Expenses

Our highly compact and organized packaging methods decrease overall box volume by 20%, helping you save up to 35% on freight expenses per shipping container.

Warranty Coverage & Policies

Warranty Coverage & Policies

No complicated processes—simply send us a video demonstrating the issue to receive a replacement or compensation completely free of charge.

Hassle-Free Claims with Simple Video Proof

Hassle-Free Claims with Simple Video Proof

99.2% qualification rate, backed by strict QC and CE/ISO9001/SGS certifications.

Why Choose Us?

Since its inception in 2006, Fujian Kaiyue Electronics Co., Ltd.  has spent twenty years building a solid foundation in the generator parts sector. Over this period, it has fostered a complete suite of capabilities that covers hardware research and development, software adaptation, and personalized customization. By uniting self-sufficient production, omni-channel global distribution, and worldwide services, it stands proud as a highly mature, one-stop solution provider for all generator part needs.

We offer

  • Prompt after-sales technical guidance.
  • Complete installation consulting service.
  • Certified by ISO9001, CE and RoHS quality systems.
  • Professional technicians provide full technical support.
Generator Parts Manufacturer & Supplier

One-Stop Generator Parts Solution

Discover our hot-selling generator controllers and parts, trusted by wholesalers worldwide. Reliable performance for industrial solutions.

803&1&25 803&1&30 Water Temperature Sensor VDO Compatible Engine Coolant Sender

803&1&25 803&1&30 Water Temperature Sensor VDO Compatible Engine Coolant Sender

The POPULACE 803 series water temperature sensor is a variable-resistance engine coolant monitoring component covering seven VDO-compatible part numbers — 803/1/25, 803/1/30, 803/1/1, 803/1/2, 803/1/4, 803/2/7, and 805/3/1 — delivering a direct-fit analog resistance signal to compatible gauges and alarm panels without calibration software or additional processing hardware. Standard threaded installation enables field replacement in under fifteen minutes, making this water temperature sensor a practical choice for diesel generator service teams, marine engineers, and heavy equipment maintenance crews across power generation, marine, construction, agriculture, and mining applications. The sensor body is built to withstand sustained engine heat, vibration, and coolant chemical exposure, and each water temperature sensor ships with a six-month quality warranty covering confirmed manufacturing defects. Available at single-piece MOQ with 3–7 day dispatch via air express, sea freight, or courier, this water temperature sensor supports both emergency one-off repairs and volume distributor stocking orders from the Shiyan, Hubei production facility.
Universal Generator AVR: High Quality Automatic Voltage Regulator Gavr 8A & Gavr-8a, Exciter Control Unit

Universal Generator AVR: High Quality Automatic Voltage Regulator Gavr 8A & Gavr-8a, Exciter Control Unit

POPULACE GAVR-8A is a universal automatic voltage regulator for brushless generator excitation systems. Half-wave phase-controlled thyristor design with under-speed and sensing loss protection. Available in SMT, DIP, and DIP-Plus configurations. Factory direct from Xiamen, up to 15-month warranty.

KI-DAVR-50S Generator AVR 5KW Single Phase Automatic Voltage Regulator 120V 240V

KI-DAVR-50S Generator AVR 5KW Single Phase Automatic Voltage Regulator 120V 240V

The POPULACE KI-DAVR-50S is a CE-certified 5KW single phase generator AVR using a proportional-integral control algorithm to hold output voltage stable with millisecond-response correction across variable load conditions. Selectable 120V/240V sensing input and a standard Asian genset mounting interface make this generator AVR a direct OEM and replacement fit for most single-phase 5KW frames, serving generator assemblers, parts distributors, and field service technicians across standby, construction, and prime power applications. Built with an impact-resistant industrial-grade plastic housing and self-powered excitation circuit, each unit undergoes pre-dispatch electrical testing before leaving the Xiamen factory. The KI-DAVR series covers 5KW and 10KW output in single-phase and three-phase versions with a 1-year manufacturer warranty, giving distributors complete range coverage and reliable after-sales support from a single direct-supply source.
POPULACE 12v 24v 4a&6a&10a Generator Automatic Battery Trickle Charger Genset Battery Charger 12v 24v 4a Ch2804

POPULACE 12v 24v 4a&6a&10a Generator Automatic Battery Trickle Charger Genset Battery Charger 12v 24v 4a Ch2804

The POPULACE CH2804 uses a switching power supply with automatic 12V/24V voltage detection and three-stage charging — constant current, constant voltage, and float — covering both 12V and 24V lead-acid starting batteries without manual reconfiguration. Its compact switching design withstands -40°C to +50°C and up to 98% humidity, fitting standard generator control panels and engine rooms where installation space is limited. Available in 4A, 6A, and 10A variants, it serves diesel gensets, marine generators, UPS systems, and agricultural diesel machinery across telecom, data center, healthcare, and industrial sectors. Backed by a one-year warranty, the float maintenance mode keeps batteries at full charge during standby, supporting dependable engine starts in backup power installations.
U85206452 24v Solenoid U85206452 Stop Solenoid U85206520 U85206451 U85206520 185206452 185206450 185206420 U85206452 Valve

U85206452 24v Solenoid U85206452 Stop Solenoid U85206520 U85206451 U85206520 185206452 185206450 185206420 U85206452 Valve

CE and ISO certified, the U85206452 solenoid uses a pull-to-run, spring-return mechanism with precision coil winding that maintains stable magnetic pull from cold-start through sustained high-temperature operation on Perkins 404D-22G diesel engines. OEM-dimensioned at 0.75 KG with close-tolerance plunger-bore clearance, it installs as a direct replacement on compatible fuel injection pump assemblies without modification, and cross-references U85206520, U85206451, 185206452, 185206450, and 185206420. Serving generator sets, agricultural machinery, construction equipment, marine auxiliary engines, and industrial power units, it meets diesel fuel shutoff requirements across mixed-fleet service organizations and B2B parts distributors. Backed by a 1-year warranty, it delivers positive fuel shutoff and clean spring return on every shutdown cycle.

DATAKOM D-300-MK3 Genset Controller

DATAKOM D-300-MK3 Genset Controller

The Datakom D300-MK3 features a 128×64 graphical LCD with real-time harmonic analysis and waveform display, supporting both J1939 CANBUS for modern electronic engines and MPU input for conventional mechanical setups. Its modular plug-in architecture accepts Ethernet, Wi-Fi, GSM, RS-485, and RS-232 communication modules, with an optional IP65 gasket and display heater for reliable operation down to -40°C. Designed for factories, hospitals, data centers, telecom towers, marine systems, and defense installations, it serves system integrators and generator manufacturers who need a unified AMF/ATS controller. Built-in fuel consumption tracking, load shedding logic, and dual mutual standby with equal aging management reduce total operating costs and extend generator service life.
AVR for Power Generator R120 Diesel Generator Circuit Diagram AVR Digital Genset AVR Factory Price R120

AVR for Power Generator R120 Diesel Generator Circuit Diagram AVR Digital Genset AVR Factory Price R120

POPULACE Generator AVR R120 is a self-excited brushless automatic voltage regulator. Compatible replacement for Leroy Somer Series R120. 120V/240V sensing input, 50/60Hz jumper selectable, ±1% voltage regulation. Factory direct supply with 1-year warranty.
dynamo Generator Parts for Genset Spare Part Automatic Voltage Regulator GAVR-12A Brushless Avr

dynamo Generator Parts for Genset Spare Part Automatic Voltage Regulator GAVR-12A Brushless Avr

POPULACE GAVR-12A automatic voltage regulator is a compact sealed brushless generator AVR for generator sets below 125kW. The GAVR-12A holds output voltage within ±1% regulation, with 4A continuous / 7A intermittent excitation output, 180–260Vac sensing input, internal EMI suppression, 2-second soft start ramp, and under-frequency roll-off protection for both 50Hz and 60Hz systems. Factory direct from Xiamen with 1-year warranty.
POPULACE RSK6001 Generator Rectifier Diode Set 70A

POPULACE RSK6001 Generator Rectifier Diode Set 70A

The RSK6001 diode is the rectifier service kit for HC7 and LV6 generator alternators, rated at 70A and supplied with a matched varistor for transient spike protection — addressing both the rectification function and the surge failure mode that diode-only kits leave exposed in HC7/LV6 excitation circuits. Pure red copper conductors throughout the RSK6001 diode reduce resistive losses and heat buildup in the rotor assembly compared to mixed-alloy or brass alternatives, while the full-rated 70A chip operates within safe thermal margins under continuous field excitation loads rather than approaching its rated limit under normal working conditions. Every RSK6001 diode unit is quality-inspected before shipment to confirm dimensional and electrical conformance to original HC7/LV6 specifications, and the heavier construction weight compared to standard-grade kits provides a practical incoming quality check for service receiving teams — a direct indicator of full copper content and full-chip specification. Generator repair workshops, fleet maintenance operations, marine alternator service teams, and parts distributors in Africa, the Middle East, Southeast Asia, and South America specify the RSK6001 diode as the standard direct-fit replacement for HC7 and LV6 rotating diode assemblies across standby, prime power, and critical facility generator service programs.

Trusted Partners Worldwide

How We Built Our Professional Strength

Dust-Free Precision ManufacturingWorkshop

Dust-Free Precision ManufacturingWorkshop

Our advanced dust-free production workshop maintains strict high-standardproduction environments, enabling zero-defect processing throughout thewhole manufacturing process.

Strict Full-Cycle Quality Control

Strict Full-Cycle Quality Control

From raw materials to finished goods, every single item is subjected to rigorous and thorough testing prior to dispatching from our facility, guaranteeing that their performance and dependability strictly align with our high standards.

High-Volume Stable Production Capacity

High-Volume Stable Production Capacity

Supported by 5 specialized manufacturing lines, we consistently output more than 50,000 top-grade units every month, perfectly merging manufacturing efficiency with uniform, high-precision quality.

Professional Testing Equipment for Top-Tier Quality

Professional Testing Equipment for Top-Tier Quality

Utilizing state-of-the-art diagnostic and testing machinery, we thoroughly verify the long-term durability and operational functionality of each product, honoring our ongoing promise to deliver premium quality.

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Generator Parts Manufacturer & Supplier

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From professional technical consultation and product data to customised generator component solutions, we stand ready to offer dedicated support.

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