Truck Starter Relay 1-81171-075-1 24V 100A for ISUZU
A 24V 100A truck starter relay that cross references ISUZU OEM 1-81171-075-1, 1-81171-087-0 and 0-25000-8021, fitted to ISUZU commercial trucks and buses. It controls the high-current circuit between the battery and the starter motor during engine cranking. 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 three ISUZU OEM part numbers so one line item covers multiple chassis builds
- 100A rated contact capacity handles high cranking loads without overheating
- 24V system voltage matches ISUZU commercial vehicle electrical architecture
- 100 percent factory test before delivery ensures reliable cranking performance
- 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 ISUZU trucks after repeated no-crank complaints
- Aftermarket distributors restocking ISUZU electrical components for mixed commercial vehicle fleets
- OEM and ODM buyers integrating the relay into new vehicle builds under ISUZU cross-reference
- Repair chains diagnosing cranking issues caused by a relay that fails to close the starter circuit
Who It Is For
- Truck parts importers sourcing ISUZU OEM replacements by part number
- Aftermarket distributors serving Japanese truck fleets in Europe and Asia
- Fleet maintenance managers running ISUZU commercial trucks and buses
- Auto electrical repair shops that stock relays by voltage and current rating
Problems It Solves
Symptoms on the Vehicle
- Engine cranks slowly or not at all due to a relay contact that fails to close under load
- Relay that overheats and welds the contacts shut, preventing the starter from disengaging
- Original ISUZU relays that are difficult to source and expensive through dealer channels
- Mixed fleets that would otherwise need three separate relay part numbers for different chassis
Technical Features
- High-current 100A contact rating for reliable starter motor engagement
- 24V DC operation compatible with ISUZU commercial vehicle electrical systems
- Electromagnetic actuation with internal coil and contact assembly
- Sealed relay housing suitable for engine bay mounting and vibration resistance
- Built-in protection against voltage spikes during cranking
Specifications
Only values printed on the original product page are listed. Anything not shown here we confirm in writing before you order.
| OEM No | 1-81171-075-1, 1-81171-087-0, 0-25000-8021 |
|---|---|
| Reference No | 1-81171-075-1, 1-81171-087-0, 0-25000-8021 |
| Type | Starter relay |
| Voltage | 24V |
| Current Rating | 100A |
| Application | ISUZU truck and 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 flat blade terminals
- Electromagnetic coil with insulated wire
- Silver alloy contact points for high current switching
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 assembly
PCB and contact assembly
Housing moulding
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 dealer original relay | Same fitment and electrical rating at aftermarket pricing, but without the dealer part number on the box unless branded packaging is ordered |
|---|---|
| Used or reclaimed relays | 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
- Isolate the battery, unplug the failed relay from the engine bay relay block and fit the replacement in the same orientation
- Test the starter engagement and disengagement before releasing the vehicle
- If the starter continues to run after release, check the ignition switch and relay ground before condemning the relay
Also Listed Under
Questions About This Part
Which ISUZU models does 1-81171-075-1 fit?
It is listed for ISUZU trucks 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.
Related Products
Ask for a Quote on Truck Starter Relay 1-81171-075-1 24V 100A for ISUZU
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.