Truck Electrical Parts Built to the Original Pin Pattern
Flasher relays, starter relays, switches, sensors and solenoid valves for European, Japanese and Chinese trucks. Ordered against the OEM number, delivered to plug straight into the loom.
What We Make
Electronic flasher relays, starter and auxiliary relays, brake and lamp switches, speed and pressure sensors, solenoid valves and preheat controllers for commercial vehicles.
Who We Serve
Truck parts importers, aftermarket distributors, fleet workshops, bus depots and OEM or ODM buyers who work from OEM cross reference numbers.
What We Solve
Electrical parts that are slow and expensive through the dealer network, and mixed fleets that would otherwise need a different supplier for every truck brand.
Why Buyers Stay
Parts that match the original housing and pin count, 100 percent leakage testing before delivery, neutral or own brand packaging, and a 12 month warranty from B/L date.
Six Component Families for Commercial Vehicles
Every part is listed under the OEM number printed on the original unit, with the system voltage and pin count in the product name so you can confirm fitment before you order.
Flasher Relays and Turn Signal Units
Electronic flasher relays and turn signal units for European, Japanese and Chinese trucks and buses, matched to the original OEM pin housing and volta
39 catalogue items
Solenoid Valves
Solenoid valves for commercial vehicle air and fuel systems that match the original OEM part number, voltage and pin count, enabling direct replacemen
8 catalogue items
Starter and Auxiliary Relays
Starter and auxiliary relays that restore the starting circuit, wiper operation, preheat function and battery switching on European, Japanese and Chin
65 catalogue items
Electronic Controllers
Electronic control units and preheat controller units that replace original parts in Mitsubishi, DongFeng and other commercial vehicles, matched to th
3 catalogue items
Truck Sensors
Truck sensors that restore accurate speed, RPM, pressure, temperature and position feedback in commercial vehicle electrical systems, matched to the o
13 catalogue items
Switches
Vehicle switches that restore brake light, back lamp and pressure functions on European, Japanese and Chinese commercial vehicles, matched to the orig
31 catalogue itemsParts Buyers Order Most Often
A sample of the range. The full catalogue lists every part with its OEM cross references, voltage and pin count.
Applications We Supply Every Week
Agricultural Machinery
Agricultural machinery operates in harsh environments with high vibration, dust, moisture and extended duty cycles. Battery switch relays are critical in these machines,
16 matching partsConstruction and Engineering Machinery
Construction and engineering machinery operate in harsh environments where electrical components face extreme vibration, dust, moisture and repeated high-current switchin
20 matching partsPassenger Bus Operators
City buses and coaches operate under continuous electrical load throughout the day. Turn signals flash at every stop, wipers run in rain and fog, and door circuits cycle
4 matching partsHeavy Truck Fleets
Heavy truck fleets operating European, Japanese and Chinese chassis in mixed fleets face consistent electrical failures in flasher relays, starter relays, door and brake
83 matching partsAftermarket Parts Distributors
Aftermarket distributors face frequent stockouts on critical electrical components for Mitsubishi trucks, especially when original parts are discontinued or supply chains
114 matching partsThe Four Problems That Bring Buyers Here
None of them are about price. They are about the part not fitting, not arriving, or not being traceable when it fails.
The Part Does Not Plug In
- A published cross reference that does not account for a different lighting package or market build
- A universal replacement that needs an adapter behind the dash and fails in vibration
- A 12V unit fitted to a 24V circuit because the voltage was never confirmed
The Order Takes Six Suppliers
- Flashers from one source, relays from another, switches from a third
- Freight paid three times into the same market
- Three different quality levels arriving in the same container
Nobody Can Say What Was Tested
- Parts bought on price with no record of what was checked before packing
- Moisture ingress found only after the units are on vehicles
- No route back to the factory when a batch fails in the field
The Box Is Wrong for the Market
- Retail boxes for a depot that stores by the case
- Labels missing the OEM numbers the counter actually searches
- Barcodes that do not scan on the distributor system
Numbers You Can Check Before You Order
Everything below is stated on our own product pages or in our published terms. Anything not listed here we will confirm in writing rather than claim on a website.
How the Parts Are Controlled
- Component materials from named suppliers: Alstrom Korea, Hollingsworth and Vose USA, Gessner Germany, AB glue from Taiwan and BAO Steel Shanghai
- Operation and QC documents fix the parameters and control points for every production step
- Leakage test on 100 percent of spare parts before delivery
- Performance parameters checked in our own laboratory
- Production and test procedures recorded on video
How the Order Runs
- 10 pcs minimum on catalogue items and small trial orders accepted
- Samples free of charge with freight at your cost
- 7 to 10 working days on fast moving stock items, up to 40 days on production orders
- Neutral, customer branded or CHINO packaging on the same order
- T/T, D/P, L/C, PayPal, Western Union and Alibaba Trade Assurance
- Reply within 24 hours and a solution within 3 days
Where the Parts Are Actually Made
Photographs from our own production base in Ruian, Zhejiang. We are a manufacturing enterprise, and customers are welcome to visit.
How We Work With Buyers
OEM and ODM Development
Build your own part number from a sample, a drawing or a failed original, made on the same line as our catalogue range.
Private Label and Packaging
Put your own brand on the box without changing supplier, part number or lead time.
Quality Assurance and Testing
What is actually tested, what it is tested with, and what happens when a part fails in the field.
Sourcing and Logistics
How an enquiry becomes a delivered container, with the payment and lead time terms stated up front.
Selection and Diagnosis Guides
Written for the person holding the failed part, not for a search engine.
How to Choose a Flasher Relay for Heavy Trucks
A flasher relay controls the on-off cycle of the turn signals in a commercial vehicle. It receives a signal from the steering column stalk and switche
Truck Starter Relay Failure Symptoms and Diagnosis
A starter relay is the high-current switch in the starting circuit. When the ignition key is turned, the relay closes a heavy contact to send battery
Brake Light Switch and Back Lamp Switch Explained
The brake light switch is a safety device that closes the circuit when the brake pedal is pressed, sending power to the stop lamps. It is normally ope
How to Read OEM Cross Reference Numbers for Truck Electrical Parts
A single electrical component can carry several identifiers: the vehicle manufacturer's OEM number, the original supplier's part number, and the facto
12V and 24V Truck Electrical Components Selection Guide
Heavy trucks and buses use 24V electrical systems to deliver sufficient power to start large diesel engines and operate high-load components like air
Truck Speed Sensor and RPM Sensor Basics
A speed sensor and an RPM sensor both detect rotational speed using a magnetic or electronic method. Magnetic pickup sensors use a coil and a ferrous
Frequently Asked Questions
Are you a factory or a trading company?
A manufacturing enterprise. Our production base is in Ruian, Zhejiang, China, and we focus on sensors, switches, relays, flashers, solenoid valves and controllers.
What is the minimum order quantity?
10 pcs per catalogue item. We also accept small trial orders so you can test a part number in your own market before committing to volume.
How long does delivery take?
7 to 10 working days on fast moving items held in stock. Production orders can run up to 40 days, and the date is confirmed in writing at order confirmation.
Do you have any certification?
Yes. We hold IATF 16949:2016 certification and perform production and quality control strictly according to the IATF 16949:2016 documents. Product pages also carry ISO 9001:2015.
How do you control quality?
Components come from named suppliers, production follows documented operation and QC procedures, a leakage test is carried out on 100 percent of spare parts before delivery, and performance parameters are tested in our own laboratory.
Can I get samples before ordering?
Yes. The samples are free of charge and we discuss the freight cost with you before shipping.
Can you supply the parts in my own packaging?
Yes. Neutral packing, your own branded box with barcode label, or the CHINO box. Artwork is confirmed before printing.
How quickly do you answer an enquiry?
Within 24 hours. If the question needs investigation we come back with a solution within 3 days.
Send Us the Numbers off Your Failed Parts
Photograph the connector face and the number on the case. We confirm the match, quote the whole list as one order, and send free samples before you commit.