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Electrical, Ignition & Sensors

Glow plugs, spark plugs, sensors, alternators, starters, relays, switches, lighting and wiring parts for 12V pickups and SUVs and 24V trucks and buses.

Products

299 products

About electrical, ignition & sensors

Electrical and electronic parts have grown into one of the most technical areas of the aftermarket. Even workhorse pickups now rely on sensors, electronic control units and CAN-bus networks, and a wrong sensor or connector causes fault codes, limp mode or no-start complaints. At the same time, traditional electrical parts such as starters, alternators, relays and bulbs remain high-volume lines, particularly for older vehicles and trucks.

What this category covers

  • Ignition and starting aids: glow plugs for diesel engines, spark plugs and ignition coils for gasoline engines.
  • Sensors: crankshaft and camshaft position, MAF and MAP, coolant temperature, oxygen and air-fuel ratio, fuel rail pressure, EGT and DPF pressure, knock and wheel speed sensors.
  • Charging and starting: alternators, starter motors, voltage regulators and repair components.
  • Control and protection: relays, switches, fuses and connectors.
  • Body electrical: lighting components and bulbs, horns, wiper motors and blower motors.
  • Wiring: harness repair sections, terminals and wiring components.

12V and 24V systems

Pickups, SUVs and vans use 12V systems. Medium- and heavy-duty trucks and many buses use 24V systems with two 12V batteries in series, and some light trucks use 12V or 24V depending on market and model. Voltage is the first specification to confirm on starters, alternators, relays, bulbs, horns and motors. Trucks such as the Hino 500 are generally 24V, while the Isuzu NPR family has been built with both systems depending on market and version, so it must be checked per vehicle.

Operating conditions

Heat, vibration, dust and water crossings are hard on electrical parts. Alternators and starters on pickups are mounted low and are exposed to mud and water; connectors corrode in humid climates; poor-quality batteries and loose terminals damage alternators and voltage regulators. Aftermarket accessories such as winches, lights and fridges on 4x4s increase electrical load.

Diesel-specific parts

Common-rail diesel engines rely on accurate crankshaft and camshaft position sensors, fuel rail pressure sensors and, on newer emission levels, EGR, DPF and NOx sensors. Glow plug systems use controllers and, on some engines, afterglow functions to reduce smoke and noise after start. Pickups such as the Toyota Hilux and Ford Ranger have progressed through several emission levels, each with different sensor configurations.

Identification

OEM number, connector type and pin count, voltage, and physical dimensions are essential. Visual similarity is not enough for sensors; resistance, signal type and calibration differ. Starters and alternators require mounting, pulley and terminal details. Use RFQ upload with photos of connectors and labels when references are unclear.

Buying & specification guide

Basic data for every line

  • OEM number and, for rotating electrics, the manufacturer's part number from the unit label.
  • Voltage: 12V or 24V.
  • Connector: type, shape, pin count and keying; photos help.
  • Vehicle and engine code, including emission level for sensors.

New, remanufactured and repairable

Starters and alternators are available new or remanufactured. Remanufactured units typically involve core returns, which complicate export logistics; many importers buy new units or components for local rebuilding. Decide which model suits your market. Component lines such as regulators, brushes, bearings, solenoids and bendix drives support local repair shops.

Sensors

Treat sensors as calibrated parts. Ask suppliers for signal type (Hall-effect, inductive, NTC, piezoresistive), resistance or output range, and connector details, and test samples on vehicles before volume orders. Incorrect sensors create comebacks that are difficult to diagnose.

Quality and compliance

  • Check sealing (IP ratings where stated), terminal plating and housing material.
  • Lighting may require local approval markings in regulated markets; importers should verify.
  • Keep batch codes for warranty traceability.

Packaging

Starters and alternators are heavy and should be boxed individually with protected terminals and pulleys. Sensors and glow plugs need individual boxes to protect tips, threads and connectors. Bulbs and fuses are small and suit retail packaging.

Consolidation

Electrical parts are high-value for their size and combine easily with other lines in a mixed container.

Export supply

Electrical, Ignition & Sensors can be quoted on FOB, CFR, CIF, FCA or EXW terms and combined with other product groups in a single consolidated container. Send part numbers, quantities and destination port for a validated quotation.

Export processMixed container ordersShipping & logistics

Frequently asked questions

How do I know whether a truck uses a 12V or 24V system?

Check the battery configuration and the vehicle specification. Two 12V batteries connected in series indicate 24V. Many medium and heavy trucks use 24V, while some light trucks use either system depending on market and version.

Why can a sensor that looks identical cause fault codes?

Sensors with the same housing and connector can have different signal types, resistance values or calibration. The ECU expects a specific signal, so the OEM reference must be matched, not just the appearance.

Are remanufactured starters and alternators a good option for export?

They can be cost-effective, but core return programs are difficult across borders. Many importers prefer new units or supply local rebuilders with components.