Starter Relay for SINOTRUK Weichai DKJ2943A 24V 100A
A 24V 100A starter relay that cross references SINOTRUK Weichai DKJ2943A, MAN 51259020077, SCANIA 1548710, KHD 04213330 and 4213330, fitted to SINOTRUK trucks, excavators, engineering vehicles and buses. It controls the high current flow from the battery to the starter motor during engine cranking and protects the ignition switch from overload. Supplied in neutral, customised or CHINO branded packaging with a 12 month warranty from B/L date.
MOQ 10 pcs · Free samples, freight at your cost · Neutral or own brand packing · 12 month warranty from B/L date
Key Benefits
- Cross references five OEM part numbers so one line item covers multiple vehicle types and chassis builds
- 100A rated current capacity matches the original relay for reliable engine starting under heavy load
- Zinc-plated or white-plated finish resists corrosion in harsh commercial vehicle environments
- Direct plug-in replacement with no rewiring required at the workshop
- Ships in 7 to 10 working days as a stocked fast-moving item
- Twelve month warranty from B/L date protects distributor and fleet inventory
Application Scenarios
Where It Is Used
- Fleet workshops replacing failed starter relays on SINOTRUK trucks after prolonged cold weather cranking
- Aftermarket distributors stocking relays for Chinese and European commercial vehicle fleets
- Engineering vehicle repair shops servicing excavators and construction machinery with original relay fitment
- Repair chains diagnosing no-crank conditions caused by a failed starter relay or weak contact points
Who It Is For
- Truck parts importers who buy against SINOTRUK and MAN OEM numbers
- Aftermarket distributors serving Chinese and European commercial vehicle markets
- Fleet maintenance managers running SINOTRUK trucks and engineering vehicles
- Auto electrical repair shops that stock relays by current rating and OEM reference
Problems It Solves
Symptoms on the Vehicle
- Engine cranking failure due to a relay that cannot handle 100A load or has worn contacts
- Original relays that are slow to source and expensive through the dealer network
- Mixed fleets that would otherwise need five separate relay part numbers
- Relays with poor corrosion resistance that fail in humid or dusty environments
Technical Features
- 100A high current switching for reliable starter motor engagement
- 24V commercial vehicle system voltage compatible with SINOTRUK Weichai engines
- Zinc-plated or white-plated finish for improved environmental resistance
- Plug-in design with original connector pattern for direct replacement
- Internal contact protection to prevent arcing during high current operation
- Sealed construction suitable for under-hood or cab-mounted relay panels
Specifications
Only values printed on the original product page are listed. Anything not shown here we confirm in writing before you order.
| OEM No | SINOTRUK Weichai DKJ2943A, MAN 51259020077, SCANIA 1548710, KHD 04213330, 4213330 |
|---|---|
| Reference No | MAN 51259020077, SCANIA 1548710, KHD 04213330, 4213330, DKJ2943A |
| Type | Starter relay |
| Voltage | 24V |
| Current Rating | 100A |
| Application | SINOTRUK, excavator, engineering vehicle, bus |
| Color | zinc-plating, white-plating |
| Place of Origin | Ruian, China |
| MOQ | 10 pcs |
| Delivery Time | 7-10 working days |
| Packing | Neutral, customised or CHINO box |
| Warranty | 12 months since B/L date |
| Certification | ISO 9001:2015 |
Materials and Manufacturing
Materials
- Zinc-plated or white-plated steel relay housing
- Copper alloy contact points and terminals
- Moulded thermoplastic base and cover
Quality Control
- 100 percent function test before delivery
- Performance parameters checked in the in-house laboratory
- Component materials sourced from named suppliers under the IATF 16949:2016 documented process
- Production and test steps recorded on video
Manufacturing Process
Terminal stamping and plating
Contact assembly and welding
Housing moulding and plating
Final assembly and sealing
Electrical function test
Customization Options
- Neutral packing with no brand marking
- Customer branded box and barcode label
- CHINO branded retail box
- OEM and ODM builds against a sample or drawing
Compared With the Alternatives
| SINOTRUK dealer original relay | Same fitment and current rating at aftermarket pricing, but without the dealer part number on the box unless you order branded packaging |
|---|---|
| Universal 24V starter relay | The 100A rated unit matches the original current capacity; universal relays may underperform or require additional wiring |
| Used or reclaimed relays | New units carry a 12 month warranty from B/L date; reclaimed stock carries none |
Use Guide
- Confirm the vehicle is a 24V system before fitting
- Match the connector pattern and mounting style against the old relay before ordering
- Isolate the battery, unplug the failed relay from the starter circuit and fit the replacement in the same orientation
- Test the starter engagement and release function before releasing the vehicle
- If the engine does not crank, check the battery voltage, ignition switch signal and starter motor earth before condemning the relay
Also Listed Under
Questions About This Part
Which vehicles does DKJ2943A fit?
It is listed for SINOTRUK trucks, excavators, engineering vehicles and buses. Send us your chassis number and we will confirm against the original relay before you order.
What is the minimum order quantity?
10 pcs on catalogue items. We also accept small trial orders so you can test the part in your own market first.
How long is delivery?
7 to 10 working days for fast moving items held in stock. Production orders take longer and we confirm the date in writing when the order is placed.
Can I get the parts in my own packaging?
Yes. We supply neutral packing, your own branded box with barcode label, or the CHINO box. Artwork is confirmed before printing.
What warranty do you give?
12 months from the B/L date. If a unit fails within that period we take responsibility when the fault is caused by the part, and we reply to any complaint within 24 hours with a solution within 3 days.
Are samples free?
The sample itself is free of charge. We discuss the freight cost with you before shipping.
How do you control quality?
Every part is function tested before delivery and performance parameters are checked in our own laboratory. Components come from named suppliers and production follows the IATF 16949:2016 documented process.
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Ask for a Quote on Starter Relay for SINOTRUK Weichai DKJ2943A 24V 100A
Send the number printed on your original unit and a photograph of the connector. We confirm the match before you order and send a free sample first.