BBB Industries
NEW STARTER

BBB Industries N17939 Starter Motor

Brand BBB Industries N17939
Design Permanent Magnet Gear Reduction
Mounting Bolts Included No
Mounting Shims Included No
Nose Cone Type Closed
Number Of Pinion Teeth 10
OE Manufacturer Mitsubishi
Overcrank Protection No
Power Rating 1.2
Rotation Direction Clockwise
Solenoid Attached Yes
Starter Drive Included Yes
Voltage (V) 12
Product line NEW STARTER
Fits Jeep · 11 vehicles

Permanent magnet gear reduction. Delivers efficient starting power in a compact starter design.

Solenoid attached. Starter drive included for a complete replacement assembly.

OE manufacturer Mitsubishi. Built to match original equipment standards.

Cross-references Mopar 56044734AA, M0T31471 and M0T31471ZC for the same application. See all 3.

$117.29Free shipping
In stock · usually ships same day before 1pm CST
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Order total $117.29
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Free returns within 60 days if it doesn't fit when fitment is verified.

Starter for Jeep Commander and Grand Cherokee

BBB Industries NEW STARTER N17939 is a 12-volt starter built with a permanent magnet gear reduction design for reliable engine cranking. It features a clockwise rotation, a closed nose cone, a 10-tooth pinion, and an attached solenoid and starter drive for direct replacement service on select Jeep applications.

Compatible with 2005-2010 Jeep Grand Cherokee and 2006-2010 Jeep Commander applications, this starter is built for vehicles originally equipped with Mitsubishi OE starter architecture. The BBB Industries NEW STARTER line focuses on replacement starters engineered to match the original application requirements for fit and function.

Key Features

  • Part number N17939
  • 12-volt starter for starting-system repair
  • Permanent magnet gear reduction design
  • Clockwise rotation
  • Closed nose cone construction
  • 10-tooth pinion
  • Solenoid attached
  • Starter drive included
  • OE manufacturer reference: Mitsubishi

Detailed Description

The BBB Industries N17939 starter is a direct-fit electrical starting component for Jeep Commander and Jeep Grand Cherokee models within the listed years. Its permanent magnet gear reduction design supports efficient cranking performance, while the closed nose cone and 10-tooth pinion match the original starter configuration used in these applications. This part cross-references Mopar 56044734AA for the same application. If you are replacing a worn starter on a 2005-2010 Jeep Grand Cherokee or a 2006-2010 Jeep Commander, N17939 provides the correct OE-style starting-system layout for those vehicles.

What This Starter Helps Address

  • Engine no-crank condition
  • Slow or weak starter engagement
  • Intermittent starting after key turn
  • Grinding or improper pinion engagement
  • Starter failure from worn internal components

Installation Notes and Tips

Verify the vehicle year, model, and original starter configuration before installation. This starter does not include mounting bolts or mounting shims, so reuse or source the correct hardware as needed for the application. Confirm clockwise rotation, 12-volt system requirements, and the 10-tooth pinion match the removed unit before final installation.

Quality Assurance

BBB Industries NEW STARTER N17939 is built as a replacement starter for the specified Jeep applications and OE manufacturer reference. Confirm fitment against the vehicle’s original part number and starting-system specifications before installation.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010JeepCommander3.7LV6N/ANEW STARTER
2010JeepGrand Cherokee3.7LV6N/ANEW STARTER
2009JeepCommander3.7LV6N/ANEW STARTER
2009JeepGrand Cherokee3.7LV6N/ANEW STARTER
2008JeepCommander3.7LV6N/ANEW STARTER
2008JeepGrand Cherokee3.7LV6N/ANEW STARTER
2007JeepCommander3.7LV6N/ANEW STARTER
2007JeepGrand Cherokee3.7LV6N/ANEW STARTER
2006JeepCommander3.7LV6N/ANEW STARTER
2006JeepGrand Cherokee3.7LV6N/ANEW STARTER
2005JeepGrand Cherokee3.7LV6N/ANEW STARTER
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mopar — 56044734AAM0T31471M0T31471ZC