Get your diesel firing on cold mornings with the SKP Diesel Glow Plug Controller (SK904310). This control module manages power to the engine’s glow plugs, timing the pre-heat and after-glow cycle so the combustion chambers are warm enough for reliable cold-weather starting. It drops in as a direct-fit replacement for the listed applications, including the 2007-2009 Dodge Sprinter 2500 and 3500, 2007-2009 Freightliner Sprinter 2500 and 3500, 2007-2009 Jeep Grand Cherokee, 2007-2009 Mercedes-Benz E320, GL320, ML320 and R320, and the 2010-2022 Mercedes-Benz Sprinter 2500 and 3500 — see the Buyer’s Guide tab for the complete list.
- Cold-start control: Regulates current to the glow plugs and manages the timed pre-heat and post-start glow cycle.
- Direct-fit replacement: Installs in place of the original controller on the listed diesel applications.
- Common failure signs: Hard cold starting, extended cranking, or a glow-plug warning light may indicate the original controller needs replacing — diagnose the cause before replacing, since glow plugs, wiring, or sensors can produce similar symptoms.
Interchange: 6429007801 · 904310 · 1R3608 · Manufacturer part number SK904310.
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