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24V 10-pin electronic relay unit for MAN trucks with black moulded housing and 9X6.3 mm connector
Starter and Auxiliary Relays

Relay Unit for MAN 81253110023 24V 10PINS

24VStarter and Auxiliary Relays

A 24V 10-pin electronic relay unit that cross references MAN 81253110023, 81253110004, 81.25311.0015, 81.25311’0017, 81.25311.0004, 81.25311.0023, and 81.25311.0056, fitted to MAN trucks. It controls auxiliary circuits such as air brake solenoids, cooling fans, or preheat systems using electronic driving. 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

Why This Part

Key Benefits

  • Cross references seven MAN OEM numbers, reducing the need for multiple SKUs in inventory
  • Ten-pin connector matches the original loom with no rewiring required at the workshop
  • Electronic driving type ensures stable switching performance under high vibration conditions
  • 24V system voltage compatible with standard MAN truck electrical architecture
  • Ships in 7 to 10 working days as a stocked fast-moving item
  • Twelve month warranty from B/L date protects distributor shelf stock and fleet maintenance orders
Fitment

Application Scenarios

Where It Is Used

  • Fleet workshops replacing failed relays on MAN trucks after long-haul service cycles
  • Aftermarket distributors stocking MAN electrical components for mixed European truck fleets
  • OEM and ODM buyers integrating the relay into custom control modules for MAN chassis
  • Repair chains diagnosing auxiliary systems that fail to engage due to relay faults

Who It Is For

  • Truck parts importers who buy against MAN OEM numbers
  • Aftermarket distributors serving European truck fleets
  • Fleet maintenance managers running MAN trucks with auxiliary system failures
  • Auto electrical repair shops that stock relays by pin count and voltage
Diagnosis

Problems It Solves

Symptoms on the Vehicle

  • Auxiliary systems that do not activate due to a failed relay in the control circuit
  • Intermittent operation of cooling fans or air brake solenoids caused by degraded relay contacts
  • Original relays that are slow to source and expensive through the dealer network
  • Mixed MAN fleets that would otherwise need seven separate relay part numbers

Technical Features

  • Electronic driving type for reliable switching in high-vibration environments
  • Ten-pin connector with 9X6.3 mm pitch matching the original MAN loom
  • Switching power of (3+1)X21 W for multiple circuits including high-load auxiliary functions
  • 24V commercial vehicle system voltage compatible with MAN truck electrical systems
  • Standard size housing with black moulded plastic and internal aluminium mounting bracket
  • Sealed assembly suitable for under-hood or cab-mounted relay panels
Data

Specifications

Only values printed on the original product page are listed. Anything not shown here we confirm in writing before you order.

OEM No81253110023, 81253110004, 81.25311.0015, 81.25311’0017, 81.25311.0004, 81.25311.0023, 81.25311.0056
Reference No89-2702000, 041001000
TypeElectronic relay unit
Voltage24V
Pin Number10P
ApplicationMAN trucks
Driving TypeElectronic
Switching Power(3+1)X21 W
Connector Type9X6.3 mm
Dimensions61 mm x 50 mm x 50 mm
Place of OriginRuian, China
MOQ10 pcs
Delivery Time7-10 working days
PackingNeutral, customised or CHINO box
Warranty12 months since B/L date
CertificationISO 9001:2015
How It Is Made

Materials and Manufacturing

Materials

  • Moulded black thermoplastic housing
  • Copper alloy flat blade terminals
  • Printed circuit board with electronic switching components
  • Aluminium internal mounting bracket
  • PC (polycarbonate) insulation layers

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
Production

Manufacturing Process

Terminal stamping and plating

PCB assembly and soldering

Housing moulding and insert fitting

Final assembly with electronic components and potting

Electrical function test and performance verification

OEM and ODM

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
Honest Comparison

Compared With the Alternatives

MAN dealer original relaySame fitment and pin pattern at aftermarket pricing, but without the dealer part number on the box unless you order branded packaging
Used or reclaimed relaysNew units carry a 12 month warranty from B/L date; reclaimed stock carries none
Fitting

Use Guide

  • Confirm the truck is a 24V system before fitting
  • Match the 10-pin housing against the old relay before ordering
  • Isolate the battery, unplug the failed relay from the cab or engine bay relay panel and fit the replacement in the same orientation
  • Test all switching functions including high and low load circuits before releasing the vehicle
  • If the system fails to engage, check the control signal and power supply before condemning the relay
Cross Reference

Also Listed Under

Questions Buyers Ask

Questions About This Part

Which MAN models does 81253110023 fit?

It is listed for MAN trucks and cross references 81253110004, 81.25311.0015, 81.25311’0017, 81.25311.0004, 81.25311.0023, and 81.25311.0056. 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.

Ask for a Quote on Relay Unit for MAN 81253110023 24V 10PINS

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.