Standard Ignition Door Jamb Switch DS-840
Standard Ignition Door Jamb Switch DS-840 - view 2
Standard Ignition Door Jamb Switch DS-840 - view 3
Standard Ignition Door Jamb Switch DS-840
Standard Ignition Door Jamb Switch DS-840 - view 2
Standard Ignition Door Jamb Switch DS-840 - view 3

Standard Ignition Door Jamb Switch P/N:DS-840

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$34.99
MPN: DS-840
Item Package Quantity: 1
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Standard Ignition Door Jamb Switch P/N:DS-840
Standard Ignition Door Jamb Switch P/N:DS-840
$34.99

Keep your dome and courtesy lights and door-ajar warning working correctly with the Standard Ignition Door Jamb Switch DS-840. Mounted in the front door jamb, this plunger switch senses whether the door is open or closed and signals the interior lighting and warning circuits. It drops in as a direct-fit replacement across a wide run of Ford full-size vans.

  • Copper alloy conductors for strong electrical conductivity with low resistive losses.
  • 100% tested to verify both mechanical and electrical switching performance.
  • Robust design and high-grade materials built to meet the demands of today's service professional.

Signs the original front door jamb switch may need replacing include interior lights that stay on with the door shut, lights that fail to come on when the door opens, or a door-ajar chime that behaves erratically. Fits: 2003-2014 Ford E-150; 2003-2005 Ford E-150 Club Wagon; 1992-2002 Ford E-150 Econoline; 1992-2002 Ford E-150 Econoline Club Wagon; 2003-2014 Ford E-250; 1992-2002 Ford E-250 Econoline; 2003-2005 Ford E-350 Club Wagon; 1992-2000 Ford E-350 Econoline; 1992-2002 Ford E-350 Econoline Club Wagon; 1999-2019 and 2021-2023 Ford E-350 Super Duty; 1996-1999 Ford Econoline Super Duty. See the Buyer's Guide tab for engine details.

Interchange: S1029 · SW1345 · DJ6327 · 6C2Z13713BA · F2UZ13713A · F2UZ13713AA · SW5134 · SW6346

This part cross-references / interchanges with the following part numbers:

S1029, SW1345, DJ6327, 6C2Z13713BA, F2UZ13713A, F2UZ13713AA, SW5134, SW6346

Frequently Asked Questions

What does this door jamb switch do?

It senses whether the door is open or closed and signals the interior/courtesy lighting and the door-ajar warning circuits. It mounts in the front door jamb as a plunger switch.

How do I know if my door jamb switch is failing?

Common signs include interior lights that stay on with the door closed, lights that don't turn on when the door opens, or an erratic door-ajar chime. Diagnose the cause before replacing.

Will the DS-840 fit my Ford van?

It's a direct-fit replacement for the listed Ford E-150, E-250, E-350 and Econoline applications from 1992 through 2023. Check the Buyer's Guide tab to confirm your exact year and model.

Which numbers does this switch replace?

It interchanges with S1029, SW1345, DJ6327, 6C2Z13713BA, F2UZ13713A, F2UZ13713AA, SW5134 and SW6346.

Is this switch tested before it ships?

Yes. Standard Ignition states these parts are 100% tested to verify both mechanical and electrical switching performance, using copper alloy conductors for strong conductivity.

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