1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

Ksb

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Old 01-13-2004, 06:26 PM
  #16  
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You should be able to get the switch from Cummins, and cheaper than Dodge. Just get all the numbers off the engine data plate and they'll hook you up.
Old 01-13-2004, 09:56 PM
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Your part number for the temperature switch from Chrysler is 5003674AA SENSOR -Tem list 39.96 Canadian funds


------------------------------------------------------------------------
93 D250, 5pd, 3.54, Lsd, 16 cm housing,mod. fuel pin ,185 Power Wagons,
pump mods, swiss cheesed air box, Isspro boost, tach, e.g.t., and trans
temp gauges

Swiss Cheesed air box Isspro boost,tach,e.g.t. and trans temp gauges
pump mods
Old 01-14-2004, 05:07 AM
  #18  
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MY apologies; the correct part number for the k.s.b. temp sensor is
4713521 switch-T list 89.47, the first # i gave you was for your grid
heater sensor
Old 01-14-2004, 05:40 AM
  #19  
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Thanks cat trains, I'll try that # today with the dealer and also check with the Cummins dealer. Hopefully someone stocks it. It's F'n cold here, and the old goat dosen't like sitting all day at work without being plugged in.
Old 01-15-2004, 06:05 PM
  #20  
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Installed sensor today. 10 volts to KSB. Huge difference! Thanks for all your help guys. Oh... $60.79 my cost Canadian BTW. List was 76.56.
Old 01-16-2004, 10:14 AM
  #21  
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"KSB is a German abbreviation for something"

Kaltstartbeschleuniger

Cold Start Aid

I believe that they all work by using an electric heater to warm a wax pellet that expands and increases the fuel pressure to the timing advance mechanism in the bottom of the pump.

Glad you got it working!
Old 01-16-2004, 06:30 PM
  #22  
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See, I knew it meant something! Where did you track that bit of info down?

According to my Cummins B series manual, there are wax pellet KSB's and solenoid KSB's. Solenoid KSB was introduced in '91. If you have a resistor between the switch and the KSB, you have a solenoid. I believe this was an emissions motivated change, the wax motor type can take as long as 1 minute to move at room temperature, and even longer when cold. So even with a perfectly functioning wax KSB you could get a minute or two of white smoke, where the electric one should clear right up.
Old 01-17-2004, 07:28 AM
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Thought it meant Kill the Silly Beast.
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