POPULACE - 20 Years China Manufacturer of Generator AVR, Controllers, Speed Governors & Spare Parts20YEARS EXPERIENCE FOR GENSET PARTS

We guarantee consistent quality for all our parts to replace the original well, by partnering with hundreds of specialized customers.

• Ongoing development of generator replacement parts
• 1000+ SKU in stock
• Instant quotes for 1-1,000 parts
• Lead times from 1 business day
• OEM or ODM are available

A perfect replacement for multiple original brands, more economical and affordable

Ranking the No.1 Diesel Generator Parts Factory For Generator AVR & Controller Brands in China

We know you have choices, and we value the trust you place in us. Populace is a professional diesel generator parts manufacturer since 2006. We hold ISO, CE, SGS, and other certifications. And if you want to develop any new models, welcome to inquiry us. We can offer the best and fast OEM/ODM service.

Owning our factory, we have over 1000+ SKU in stock, and it makes our delivery time is very fast, within 1-5 days. And we invest a lot in SMT workshop, injection molding workshop, assembly workshop, packaging workshop, and testing machines to boost our capability.

Certified by:

Years experience

Delivery time

1,000

SKU generator parts

35+

New models yearly

Top 6 Must-Have Benefits For You

Generator Parts One Stop Shopping

Over 1000+SKU in stock for your choice, find anything you want.

Warranty Terms

Just provide product video, free compensation

Fast Delivery and LOW MOQ

Large inventory, 1-day delivery, MOQ only 1 pc

Worry-free Quality Control

99.2% product qualification rate, strict management and quality control system(CE, ISO9001, SGS)

Lower Shipping Fee

Tight and tidy packing to reduce 20% carton size, save up to 35% freight cost per container.

Performance Guaranteed

100% quality assurance, 100% refund for defect product(incl. freight and tax).

Product Categories

—— One-Stop Generator Parts Solution ——

Generator AVR

Generator Actuator

Generator Controller

Generator Gauge

Speed Control System

Generator Charger

Water Sensor

Oil Temp Sensor

Rectifier Thyristor

Fuel Shut Off Solenoid

Generator Water Heater

ATS

New Product Trends

0250-12A2UC11S1 Fuel Stop Solenoid

Model: 0250-12A2UC11S1

0306-5465 Fuel Stop Solenoid

Model: 0306-5465

04103808 Fuel Stop Solenoid

Model: 04103808

04234303 Fuel Stop Solenoid

Model: 04234303

04234373 Fuel Stop Solenoid

Model: 04234373

1/8 Oil Pressure Sensor

Model: 1/8

1503ES-12S5SUC12S Fuel Stop Solenoid

Model: 1503ES-12S5SUC12S

16851-60014 Fuel Stop Solenoid

Model: 16851-60014

About Us

Populace Electronic Co., Ltd. was founded in 2006 and has since become a trusted provider specializing in the technical development, manufacturing, and sales of generator parts. With a focus on innovation and quality, our product range includes AVRs, controllers, chargers, speed control boards, actuators, solenoid valves, rectifier bridges, and more.

Our factory is based in Xiamen, Fujian, China, covering an area of over 2,000 square meters. Our team includes approximately 70 employees, including 6 senior technicians.

Learn more about POPULACE

How We Became Professional

WORKSHOP

Our Workshop is dust free. All products are making in high standard

TESTING

We Test all the products before sending out the factory, including materials and finished products.

PRODUCT LINE

We have 5 product lines to make products more than 50000pcs per month.

TESTING EQUIPMENT

For assuring high quality of products, we have many professional equipment to test the products

Certificate

The Professional Exhibitions We Attend

Middle East Energy Dubai

7-9 April 2019

Electric&Power Indonesia

11-14 Sept,2019

Enertec Expo 2023 Vietnam

24-26th April,2023

Canton Fair

15-19th April and 15-19th Oct, two times for each year.

Main Markets

Mid East

Southeast Asia

Domestic Market

South America

North America

F.A.Q

Yes, our factory is located in Xiamen, Fujian. Sincerely welcome you to visit us in China.

Yes, we are very glad to offer samples for your testing.

Normally 1 years warranty. If it is our quality problem, we will replace the new one or repair it for you.

Yes, we will check the quality 100% before we send out the goods.

If goods in stock, it needs 2-3 days after payment. If big quality and not in stock, it will needs about 3-7 days to make.

T/T, Western Union, Paypal, Alibaba order link, Money Gram, RMB directly. Cash.

Sea, Air or Express(FedEx, DHL, UPS, TNT, Aramex Etc.)

Populace Insights

Cummins, Perkins, and Kubota Fuel Stop Solenoid Replacement & Cross-Reference Guide

November 13, 2026

When a diesel generator fuel stop solenoid fails, selecting the correct replacement requires verifying stamped casing part numbers, operating voltage (12V vs 24V), control topology (pull-to-run vs pull-to-stop), and mechanical mounting geometry. This guide details practical field identification and cross-referencing for Cummins 3926412, Perkins U85206452, and Kubota 16851-60014 replacement solenoids without relying on unverified internal specifications.

Fuel Solenoid Fails to Stop Engine: Diesel Run-On Troubleshooting & Diagnostic Guide

November 10, 2026

When a diesel generator refuses to shut down after turning off the key switch or sending a stop command from the controller, the fault typically traces to a malfunctioning fuel shut off solenoid or its control circuit. This guide details the operating differences between Energize-to-Run (pull-to-run) and Energize-to-Stop (pull-to-stop) topologies, step-by-step electrical and mechanical isolation procedures, emergency shutdown precautions, and how to correctly match replacement solenoids.

Deep Sea DSE4520 Replacement & Upgrade Guide: Auto Mains Failure (AMF) Controller Retrofit

November 6, 2026

Upgrading and replacing diesel generator control units requires precise matching of control topology (Auto Start vs. Auto Mains Failure), panel cutout dimensions, AC sensing range, and terminal pin assignments. This technical guide details retrofit procedures for Deep Sea DSE4520 AMF controllers, comparing verified specifications with the DSE4510 and compact DSE3110, mapping terminal conversions from obsolete models (DSE4110, DSE4120, DSE704, DSE720, DSE5110), explaining AMF dual-source interlocking, and outlining commissioning protocols.