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£84.55£89
Volvo FH4 AdBlue Dosing Wiring Harness 21947227 Euro 6 Used
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SKU21947227
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Ignition, charging and starting systems are at the heart of every working truck. If the alternator stops charging or the starter motor fails, the vehicle is parked up and the job is delayed. This category brings together tested used OEM parts for truck ignition, charging and starting systems, removed from late-model European vehicles in our UK breaker yard and listed with clear photos and honest descriptions.

What ignition, charging & starting parts we stock

Stock in this section changes as we dismantle more donor trucks, but typical items in the Ignition, Charging & Starting category include:

  • alternators and generator units with mounting brackets and pulleys;
  • starter motors and starter solenoids for a range of engine sizes;
  • batteries and battery trays, where suitable for resale;
  • main battery cables, earth straps and heavy-duty jump leads;
  • ignition switches, starter buttons and battery isolator switches;
  • glow plug control modules and pre-heat relays on diesel applications;
  • voltage regulators and other small electrical hardware associated with the charging circuit.

Each listing shows the actual part you will receive, with close-up photos of labels, plug types and mounting points so you can compare it to the component fitted on your own truck.

Truck brands & typical applications

Most ignition, charging and starting parts we offer come from mainstream European trucks such as Volvo FH/FM, MAN TGX/TGS, DAF XF/XG, Scania R/S and Mercedes-Benz Actros, Arocs and Atego. We mainly dismantle Euro 5 and Euro 6 vehicles sourced in the UK, often from fleet renewals rather than end-of-life breakdowns, which helps ensure that alternators, starter motors and wiring are still in usable condition when removed.

Components in this category cover a wide range of applications: long-haul tractors, tipper and mixer trucks, plant and machinery transporters, drawbar rigs and recovery vehicles. Whether you are chasing a no-charge fault, slow cranking on a cold morning or damage to the main battery cables, this section is a good starting point for replacing the failed part with a tested OEM unit.

Tested used OEM electrical parts from dismantled trucks

Before any alternator, starter motor or battery component is added to stock, it is removed carefully from the donor truck and inspected by our team. Where practical, rotating units are function-tested on the vehicle or on a bench rig to check engagement, noise and charge output, and casings are checked for cracks, broken lugs and corrosion around electrical connections. Items that do not meet our standards are stripped for cores rather than listed for sale.

Because all parts are taken from trucks that we dismantle ourselves, we can usually provide donor details such as make, model, engine code and mileage. Combined with OEM part numbers and cross-references shown in the listing, this makes it easier to match an alternator or starter from one truck to another with the same engine family or electrical specification.

Shipping, returns and checking compatibility

Electrical components are packed securely and shipped quickly from our yard in Stanford-le-Hope, Essex, with tracked delivery options available across the UK and EU. Most orders include a 30-day returns period, giving you time to install and test the part on the vehicle with confidence.

If you are unsure whether a particular alternator, starter or ignition component will fit your truck, contact VRA Truckparts with your registration, VIN and the numbers from your original unit. Our team will help you confirm compatibility before you buy or recommend alternatives in the Ignition, Charging & Starting range. You can also browse the Trucks We Dismantle page to see the donor vehicles your electrical parts come from and source other components from the same truck.