Back Lamp Switch for STEYR JK944 for DFM CUMMINS for HONGYAN for BEIBEN TRUCK Reversing Light Switch
A reversing light switch with M27X1.0 thread and normally open contact, cross referenced as JK944, fitted to STEYR JK944, DFM CUMMINS, HONGYAN and BEIBEN TRUCK models. It activates the reversing lights when the transmission is shifted into reverse gear. 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 STEYR JK944, DFM CUMMINS, HONGYAN and BEIBEN TRUCK models, reducing the need for multiple part numbers
- M27X1.0 thread and 27mm spanner size match the original mounting hole and wrench fitment
- Normally open contact ensures reversing lights only activate when reverse gear is engaged
- Direct plug-in replacement with no wiring modifications required at the workshop
- Ships in 7 to 10 working days as a stocked fast-moving item
- Twelve month warranty from B/L date covers failure due to manufacturing defects
Application Scenarios
Where It Is Used
- Fleet workshops replacing failed reversing switches on STEYR and HONGYAN buses after repeated gear shifts
- Aftermarket distributors stocking reversing switches for Chinese commercial vehicle fleets
- Bus body builders integrating the switch into new chassis wiring harnesses
- Repair chains diagnosing reversing lights that stay on or fail to illuminate in reverse
Who It Is For
- Truck parts importers sourcing against STEYR and BEIBEN TRUCK OEM numbers
- Aftermarket distributors serving Chinese and European bus fleets
- Fleet maintenance managers running HONGYAN and DFM CUMMINS vehicles
- Auto electrical repair shops that stock switches by thread size and contact type
Problems It Solves
Symptoms on the Vehicle
- Reversing lights that remain on when the vehicle is in neutral or drive
- Reversing lights that fail to activate when the transmission is shifted into reverse
- Original switches that are hard to source through dealers or require long lead times
- Mixed fleets that would otherwise need separate switches for STEYR, HONGYAN and BEIBEN TRUCK models
Technical Features
- M27X1.0 thread for secure mounting in the transmission housing
- 27mm spanner size for standard wrench fitment during installation
- Normally open contact: opens when reverse gear is engaged, closes when not
- Sealed switch housing suitable for underbody or engine bay mounting
Specifications
Only values printed on the original product page are listed. Anything not shown here we confirm in writing before you order.
| OEM No | JK944 |
|---|---|
| Reference No | JK944 |
| Type | Reversing light switch |
| Thread | M27X1.0 |
| Spanner Size | 27mm |
| Contact Type | Normally open; OFF-ON |
| Application | STEYR JK944, DFM CUMMINS, HONGYAN, BEIBEN TRUCK |
| 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
- Brass threaded body with corrosion-resistant plating
- Polyamide insulating housing
- Copper alloy contact terminals
- Rubber sealing gasket for environmental protection
Quality Control
- 100 percent leakage test before delivery
- Performance parameters tested 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
Threaded body machining and plating
Contact terminal stamping and plating
Housing injection moulding
Final assembly with sealing gasket
Electrical function test and leakage 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
| Original STEYR JK944 switch | Same fitment and thread size at lower cost, but without the original part number on the box unless branded packaging is ordered |
|---|---|
| Universal reversing switch with adjustable thread | The M27X1.0 thread is fixed and matches the original, while a universal switch may require thread adapters or fail to seal properly |
| Used or reclaimed switch | New units carry a 12 month warranty from B/L date; reclaimed stock carries no warranty and may have worn contacts |
Use Guide
- Match the M27X1.0 thread and 27mm spanner size against the old switch before ordering
- Isolate the battery, remove the old switch from the transmission housing, and install the replacement with the same orientation
- Test the reversing lights in reverse gear and confirm they turn on and off correctly
- If the lights remain on or fail to activate, check the transmission gear sensor and wiring harness before condemning the switch
Also Listed Under
Questions About This Part
Which vehicles does JK944 fit?
It is listed for STEYR JK944, DFM CUMMINS, HONGYAN and BEIBEN TRUCK models. Send us your chassis number and we will confirm against the original switch 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 Back Lamp Switch for STEYR JK944 for DFM CUMMINS for HONGYAN
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.