CUMMINS 3927155 OEM CAMSHAFT THRUST PLATE / RETAINER – RAM 5.9L (1989–2002)

Product Description

Genuine OEM Cummins camshaft thrust plate 3927155 cam retainer 5.9L 12V 24V Cummins engine parts delivers the precise alignment and long-term durability your 1989–2002 5.9L Cummins requires. The Cummins 3927155 Camshaft Thrust Plate / Retainer is engineered to control camshaft endplay, prevent wear, and maintain accurate timing gear alignment—critical on performance-built and work-ready engines alike. Installing a true OEM thrust plate ensures the cam remains centered during operation, eliminating the risk of cam walk that can lead to geartrain noise, timing issues, and premature failure.

FITMENT

• 1989–1998 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
• 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24-Valve
• Direct replacement for Cummins P-pump, VP44, and VE-pump engines

CROSS-REFERENCE / ALTERNATIVES

This is the only thrust plate used on 1989–2002 5.9L Cummins engines. For related Cummins Genuine Parts on CPP Diesel:

• Cummins 3937111 OEM Camshaft Gear
• Cummins 3940059 OEM Camshaft Retaining Bolt

FAQ

Does the Cummins 3927155 thrust plate fit both 12V and 24V engines?
Yes — this OEM plate fits all 1989–2002 5.9L Cummins engines, including VE, P-pump, and VP44 models.

Should I replace the thrust plate when installing a new camshaft?
Yes. Any time the camshaft is replaced or upgraded, Cummins recommends installing a new thrust plate to ensure proper endplay and prevent premature wear.

Can thrust plate wear cause timing issues?
Absolutely. Excessive cam walk affects timing gear alignment, which can cause noise, wear, and performance loss.

Is this a genuine Cummins part?
Yes — sourced directly from Cummins, not aftermarket.

Do I need new hardware?
Replacing the retaining bolt is recommended. A working Cummins option is available here: Cummins 3940059 OEM Camshaft Bolt.

Specifications for cummins 3927155