Battery Switch Relay DK238D 24V 100A
A 24V 100A battery switch relay with OEM reference DK238D, cross referencing DK138D 12V and 08088-10000, fitted to ISUZU and KOMATSU trucks, excavators, engineering vehicles and buses. It controls the main battery circuit by connecting or disconnecting the battery from the vehicle’s electrical system. 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 DK138D 12V and 08088-10000, allowing one part to serve multiple vehicle systems
- 100A rated contact capacity handles high current draw from large commercial vehicle electrical loads
- 24V system voltage matches ISUZU and KOMATSU heavy-duty vehicle electrical architecture
- Direct plug-in replacement for the original DK238D relay with no wiring modifications
- Ships in 7 to 10 working days as a stocked fast-moving item
- 12 month warranty from B/L date covers failure due to manufacturing defects
Application Scenarios
Where It Is Used
- Fleet maintenance teams replacing failed battery relays on ISUZU trucks after prolonged cold weather operation
- Excavator and engineering vehicle repair shops sourcing reliable battery switches for KOMATSU machinery
- Aftermarket distributors stocking a single relay for multiple ISUZU and KOMATSU vehicle types
- Workshop technicians diagnosing no-start conditions caused by a failed battery switch relay
Who It Is For
- Truck parts importers sourcing against ISUZU and KOMATSU OEM numbers
- Aftermarket distributors serving heavy equipment and engineering vehicle markets
- Fleet maintenance managers running ISUZU and KOMATSU trucks and excavators
- Repair chains that need reliable battery switch relays for off-highway vehicles
Problems It Solves
Symptoms on the Vehicle
- Vehicles that fail to start due to a burnt or stuck battery switch relay
- Relays that overheat and weld contacts closed, leaving the battery permanently connected
- Original relays that are hard to source or expensive through dealer channels
- Mixed fleets of ISUZU and KOMATSU vehicles that would otherwise require multiple relay part numbers
Technical Features
- 100A main contact rating for high current battery switching
- 24V DC coil voltage compatible with commercial vehicle electrical systems
- Single-pole, normally open contact configuration for battery isolation
- Robust metal housing suitable for under-hood or engine compartment mounting
- Plug-in terminal design matches original OEM connector pattern
- Designed for use in trucks, excavators, engineering vehicles and buses
Specifications
Only values printed on the original product page are listed. Anything not shown here we confirm in writing before you order.
| OEM No | DK238D, DK138D, 08088-10000 |
|---|---|
| Type | Battery switch relay |
| Voltage | 24V |
| Current Rating | 100A |
| Application | ISUZU, KOMATSU, Truck, Excavator, Engineering Vehicle, Bus |
| 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
- Moulded thermoplastic relay housing
- Copper alloy contact blades
- Copper alloy coil winding
- Spring-loaded contact mechanism
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
Coil winding and insulation
Contact assembly and alignment
Housing moulding and terminal insertion
Final assembly and potting
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
| ISUZU or KOMATSU dealer original relay | Same fitment and performance at aftermarket pricing, but without the OEM part number on the box unless branded packaging is ordered |
|---|---|
| Universal battery relay | The 24V 100A design matches the original DK238D specification, while a universal relay may not support the correct current rating or pin layout |
| Used or reclaimed relay | New units carry a 12 month warranty from B/L date; reclaimed stock carries no warranty and may have degraded contacts |
Use Guide
- Confirm the vehicle is a 24V system before fitting
- Match the terminal layout and housing shape against the original DK238D relay before ordering
- Disconnect the battery, remove the failed relay from the control panel, and install the replacement in the same orientation
- Test the relay by turning the ignition on and verifying the battery circuit connects and disconnects properly
- If the relay clicks but the battery does not connect, check the battery terminal and earth connection before replacing the relay
Also Listed Under
Questions About This Part
Which ISUZU and KOMATSU models use DK238D?
It is listed for ISUZU and KOMATSU trucks, excavators, engineering vehicles and buses. Send your chassis number and we will confirm fitment 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 Battery Switch Relay DK238D 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.