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Injection Pump Gear Compatible With Cummins 6Bt/6Bta 1983-1998 B Series (6B) 5.9L 6-Cyl Turbo Diesel

C3931382A2
OEM PART NUMBERS:
• Cummins: 3931382 (OEM part number for 6B Series injection pump drive gear)
• Cummins: 3929031 (Cross-reference part number)
• Perma-American International: PAI 180131 (Aftermarket equivalent part)

SPECIFICATIONS:
• Teeth Count: 72
• Gear Type: Helical
• Material: Cast Steel
• Position: Injection Pump Drive
• Mounting Style: Crankshaft Mounted
• Engine Family: Cummins B Series
• Displacement: 5.9L
• Condition: New

APPLICATION:
• Compatible with Cummins 4B/4BT/4BTA/6B (1983-1998)
• Compatible with Dodge Ram Pickup 2500/Ram Pickup 3500 (1989-1998)

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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Sale: $198.54
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Description

CUMMINS INDUSTRIAL:
• Cummins 4B/4BT/4BTA/6B B Series (1983-1998)
• Cummins 6BT/6BTA B Series (1983-1998)

DODGE AUTOMOTIVE:
• Dodge Ram Pickup 2500/Ram Pickup 3500 Cummins 6BT 5.9L (1989-1998)


IMPORTANT:
72-tooth helical injection pump drive gear for Cummins B-Series engines with Bosch P7100 pump. Cross-refs: 3929031, PAI 180131. Used in Dodge Ram 2500/3500 (1994-1998, 12-valve 6BT) and various industrial/agricultural Cummins applications.

This gear directly controls fuel injection timing on P7100-equipped engines. Failure symptoms: timing rattle, hard starting, white/black smoke, loss of power, increased fuel consumption. The P7100 is the most common performance pump for the 12-valve Cummins — aftermarket timing adjustments are popular but require precise gear positioning. Mark original position before removal. Verify timing marks per service manual.

⚠️ For P7100 pump applications. Mark timing position before removal.

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  • Item Requires Shipping
  • 6.8 lbs.
  • W10.0000” x H5.0000” x L10.0000”
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