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Ignition / Preheating: spare parts catalogue

Ignition / Preheating auto parts: Glow Plugs

How to identify a faulty glow plug?

Glow plugs may be diagnosed both at a service station, and by yourself. This can be done with the use of various methods. For the first method, you will need a multimeter. Set the device into the resistance measurement mode. Connect one probe of the device to the output of the glow plug, and the other one - to the vehicle body. If the contact is absent, the component is faulty.

You may notice that the glow plug needs diagnostics by the following symptoms:

  • the engine won't start, or starting is difficult;
  • the engine is not operating properly;
  • white exhaust gas is observed.

The reasons of glow plug failure

One of the reasons of failure is the end of the service life of the filament, which is designed for 50-60 thousand kilometers of mileage. However, if problems with the component occur at a much smaller mileage, the reason often lies in malfunction of the fuel equipment. Failure of the component may also be caused by malfunctions of the regulator or alternator, high voltage.

If an injector is fouled or worn out, a strong jet of fuel is directed at the working element of the heater. This entails loss of integrity of the heater shell, and, as a result, the filament gets damaged.

If the control relay is damaged, the glow plug gets overheated. In this case, the component shell is deformed and melts on the surface, and the filament burns out. The relay itself may be burnt out, or the wires coming from it may get broken or abraded.

The component failure may be associated with incorrect use, manufacturing defects, or poor quality of the components. Finally, the element may get damaged in case of incorrect installation due to improper tightening.

Replacing a glow plug

A faulty component is to be replaced. This task should be entrusted to specialists of a service station, since the material of the component is very fragile, and can easily be damaged if installed incorrectly.

To keep glow plugs in good working order, perform their routine check once in six months. The component is to be replaced after every 60 thousand km of mileage.

Top quality parts Glow Plugs for your car
Diesel glow plugs BERU GE102 Parts Details
  • Product line: ISS
  • Thread Size: M10x1,0
  • Length [mm]: 107
  • Voltage [V]: 5
  • Spanner Size: 10 mm
  • Glow Plug Design: after-glow capable, Pencil-type Glow Plug
  • Fitting Depth [mm]: 33
  • Connector type: 4 mm PIN
  • Current Strength [A]: 25
  • Tightening torque to [Nm]: 20
  • Tightening torque from [Nm]: 15
  • Cone Pitch: 63
  • Failure Moment [Nm]: 35
  • Condition: New
In stock
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Diesel glow plugs FEBI BILSTEIN 17215 Parts Details
  • Length [mm]: 78,5, 29
  • Outer thread [mm]: M18 x 1,5
  • Voltage [V]: 9
  • Spanner Size: 21
  • Glow Plug Design: after-glow capable
  • Weight [kg]: 0,07
  • Condition: New
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Glow Plug (FEBI BILSTEIN, 17215)
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Diesel glow plugs NGK 9864 Parts Details
  • Product line: D-Power
  • Overall Length [mm]: 117,0
  • Thread Size: M8 x 1,0
  • Voltage [V]: 7,0
  • Spanner Size: 8 mm
  • Glow Plug Design: Ceramic Glow Plug
  • Fitting Depth [mm]: 30,0
  • Connector type: PIN
  • Current Strength [A]: 7,0
  • Resistance [Ohm]: 0,3
  • Condition: New
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Diesel glow plugs NGK 97627 Parts Details
  • Overall Length [mm]: 66,0
  • Thread Size: M10 x 1,25
  • Voltage [V]: 11,0
  • Spanner Size: 12 mm
  • Glow Plug Design: Metal glow plug
  • Fitting Depth [mm]: 17,3
  • Connector type: M4
  • Resistance [Ohm]: 1,0
  • Condition: New
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Diesel glow plugs BERU PSG003 Parts Details
  • Product line: PSG
  • Thread Size: M9x1,0
  • Length [mm]: 132
  • Voltage [V]: 4
  • Spanner Size: 12 mm
  • Glow Plug Design: with pressure sensor, after-glow capable, Pencil-type Glow Plug
  • Fitting Depth [mm]: 28
  • Connector type: 4 mm PIN (PSG)
  • Current Strength [A]: 9
  • Tightening torque to [Nm]: 10
  • Tightening torque from [Nm]: 8
  • Cone Pitch: 93
  • Failure Moment [Nm]: 22
  • Condition: New
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Diesel glow plugs BERU GN104 Parts Details
  • Thread Size: M10x1,25
  • Length [mm]: 143
  • Voltage [V]: 11
  • Spanner Size: 12 mm
  • Glow Plug Design: after-glow capable, Pencil-type Glow Plug
  • Fitting Depth [mm]: 24
  • Connector type: 4 mm PIN
  • Current Strength [A]: 15
  • Tightening torque to [Nm]: 20
  • Tightening torque from [Nm]: 15
  • Cone Pitch: 119
  • Failure Moment [Nm]: 35
  • Condition: New
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Diesel glow plugs BERU GE101 Parts Details
  • Product line: ISS
  • Thread Size: M8x1,0
  • Length [mm]: 117
  • Voltage [V]: 4
  • Spanner Size: 8 mm
  • Glow Plug Design: after-glow capable, Pencil-type Glow Plug
  • Fitting Depth [mm]: 30
  • Connector type: 4 mm PIN
  • Current Strength [A]: 25
  • Tightening torque to [Nm]: 10
  • Tightening torque from [Nm]: 8
  • Cone Pitch: 93
  • Failure Moment [Nm]: 20
  • Fuel Mixture Formation: Unit Injector System (UIS)
  • Condition: New
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Diesel glow plugs BERU GN003 Parts Details
  • Thread Size: M10x1,0
  • Length [mm]: 130
  • Voltage [V]: 12
  • Spanner Size: 10 mm
  • Glow Plug Design: after-glow capable, Pencil-type Glow Plug
  • Fitting Depth [mm]: 28
  • Connector type: 4 mm PIN
  • Current Strength [A]: 13
  • Tightening torque to [Nm]: 20
  • Tightening torque from [Nm]: 15
  • Cone Pitch: 63
  • Failure Moment [Nm]: 35
  • Condition: New
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Diesel glow plugs BERU GE114 Parts Details
  • Product line: ISS
  • Thread Size: M9x1,0
  • Length [mm]: 157
  • Voltage [V]: 4
  • Spanner Size: 9 mm
  • Glow Plug Design: after-glow capable, Pencil-type Glow Plug
  • Fitting Depth [mm]: 35
  • Connector type: 4 mm PIN
  • Current Strength [A]: 25
  • Tightening torque to [Nm]: 10
  • Tightening torque from [Nm]: 8
  • Cone Pitch: 93
  • Failure Moment [Nm]: 22
  • Condition: New
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Diesel glow plugs NGK 2649 Parts Details
  • Overall Length [mm]: 69,0
  • Thread Size: M8 x 1,0
  • Voltage [V]: 11,0
  • Spanner Size: 10 mm
  • Glow Plug Design: Metal glow plug
  • Fitting Depth [mm]: 19,0
  • Connector type: M4
  • Current Strength [A]: 5,5
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Diesel glow plugs NGK 90919 Parts Details
  • Overall Length [mm]: 86,0
  • Thread Size: M10 x 1,25
  • Voltage [V]: 11,0
  • Spanner Size: 12 mm
  • Glow Plug Design: Ceramic Glow Plug
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  • Connector type: M4
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Diesel glow plugs BOSCH 0250202036 Parts Details
  • Supplementary Info: Duraterm
  • Thread Size: M 10 x 1
  • Length [mm]: 103
  • Voltage [V]: 11
  • Spanner Size: 10
  • Glow Plug Design: Pencil-type Glow Plug, after-glow capable
  • Fitting Depth [mm]: 25
  • Connector type: PIN
  • Tightening torque to [Nm] 0
  • Tightening torque from [Nm] 0
  • Cone Pitch: 63
  • Condition: New
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