CUMMINS 3923898 GENUINE FRONT TIMING COVER - OEM FOR 1994-2002 5.9L CUMMINS

The Cummins 3923898 Genuine Front Timing Cover is the OEM aluminum housing that protects the timing gears, camshaft, and injection pump drive system on 5.9L Cummins diesel engines. This precision-cast cover also provides mounting points for the injection pump, accessory brackets, and front engine seals.

Whether you're restoring a daily driver or rebuilding a high-performance diesel, replacing a damaged or corroded timing cover with an OEM Cummins unit ensures factory fitment and long-term durability.

Features & Benefits

• OEM Quality: Manufactured by Cummins for precise fit and alignment.
• Durable Aluminum Construction: Resists corrosion and maintains gear alignment.
• Critical Sealing Surface: Works with gaskets and seals to prevent oil and dust intrusion.

Fitment

• 1994-1998 Dodge Ram 2500/3500 5.9L Cummins (P7100 injection pump)
• 1998.5-2002 Dodge Ram 2500/3500 5.9L Cummins (VP44 injection pump)
• Also compatible with some Cummins 6BT industrial and marine applications - verify part number

Injection Pump Compatibility

• Designed for both P7100 (12-valve) and VP44 (24-valve) injection pump engines.
• Has correct mounting flange and bolt patterns for OEM injection pump brackets.

Cross Reference Part Numbers

• Cummins 3923898
• Replaces: 3935022
• Interstate McBee M-3923898

Frequently Asked Questions

Can this be used on performance engines?

Yes. Many high-performance Cummins builds retain the OEM timing cover for its strength and fitment.

Does it include the front crank seal?

No. The seal is sold separately and should be replaced during installation.

Will this fit VE pump engines?

No. This is for P7100 and VP44 applications only.

Tags

cummins 3923898, front timing cover cummins, 5.9 cummins timing gear housing, dodge ram timing cover, OEM cummins timing cover, diesel engine timing housing, P7100 timing gear cover, VP44 timing gear housing, 12-valve cummins timing cover, 24-valve cummins timing housing

Fitment

• 1994 Dodge Ram 2500/3500 5.9L Cummins
• 1995 Dodge Ram 2500/3500 5.9L Cummins
• 1996 Dodge Ram 2500/3500 5.9L Cummins
• 1997 Dodge Ram 2500/3500 5.9L Cummins
• 1998 Dodge Ram 2500/3500 5.9L Cummins
• 1999 Dodge Ram 2500/3500 5.9L Cummins
• 2000 Dodge Ram 2500/3500 5.9L Cummins
• 2001 Dodge Ram 2500/3500 5.9L Cummins
• 2002 Dodge Ram 2500/3500 5.9L Cummins

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