4x Bosch Glow Plugs for Vauxhall Insignia 2.0 CDTi (A20DTC / A20DTH / A20DTJ). Engine Codes: A20DTC / A20DTH / A20DTJ. Bosch glow plugs Insignia | Vauxhall Insignia 2.0 CDTi glow plugs | A20DTH glow plugs | Bosch diesel parts.
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