P/N: 3931667 | Genuine Cummins® Starting Aid For Cummins Skip to content
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3931667
3931667 | Genuine Cummins® Starting Aid For Cummins
Cummins

3931667 | Genuine Cummins® Starting Aid For Cummins

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  • Product SKU: 3931667
  • Availability: In Stock
Condition New
$1,199.00 - $1,199.00
$1,199.00
$1,199.00 - $1,199.00
$1,199.00
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Product details

DescriptionStarting Aid For Cummins
ConditionNew
Part Number3931667
BrandCummins

Fitment Guide

 
  • Heavy-duty trucks
  • Buses
  • Construction equipment
  • Industrial machines
  • Generator sets



A starting aid for a Cummins engine is a system or device that helps the engine start more easily, especially in cold weather. Diesel engines rely on high compression to ignite fuel, and low temperatures can make starting more difficult.

 
  • Warms the air entering the engine
    • Cold air makes it harder for diesel fuel to ignite.
    • A starting aid raises the air temperature so combustion begins more easily.
  • Improves cold-weather starting
    • Helps the engine start at low temperatures with less cranking.
  • Reduces battery and starter wear
    • Faster starts mean less strain on the battery and starter motor.
  • Reduces white exhaust smoke
    • Better combustion during startup reduces unburned fuel, which appears as white smoke.
  • Protects the engine
    • Quicker starts reduce wear caused by extended cranking and repeated failed start attempts.
  • Improves emissions
    • A cleaner, faster start reduces emissions until the engine reaches normal operating temperature.

Signs of Faulty

 
  • Hard starting in cold weather
    • The engine cranks for a long time before it starts.
    • It may start normally when the weather is warm.
  • Engine won't start when it's cold
    • The engine may crank but fail to fire until the temperature rises or the engine is warmed.
  • "Wait to Start" light doesn't work correctly
    • The light never comes on.
    • The light stays on much longer than normal.
    • The light flashes or behaves abnormally.
  • White smoke during startup
    • White smoke can indicate that fuel is not burning completely because the combustion chambers or intake air are too cold.
  • Rough idle after starting
    • The engine may run unevenly for the first few minutes until it warms up.
  • Check engine light or fault codes
    • On electronically controlled Cummins engines, a failed intake grid heater or its relay may trigger diagnostic trouble codes.
  • Slow battery drain during repeated starting attempts
    • If the starting aid isn't working, extended cranking puts extra load on the battery and starter.
About the manufacturer

Cummins® is a worldwide leader in the production of engines, agricultural components, and other power-generating devices for various industries, including medium and heavy duty trucks, light commercial vehicles, buses, agriculture, and construction. Founded in 1919, this company stays true to its mission of making people's lives better by continuously improving its product line-up and introducing new solutions for a more prosperous world. Its core values—integrity, diversity and inclusion, excellence, caring, and teamwork—are what make it a successful company today—a worldwide leader with a network of more than 600 company-owned and independent distributors and almost 6,000 dealers in approximately 190 countries.

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