Cummins 3940123 Valve Collet

Valve Spring Retainer – Fits Cummins ISB/QSB 5.9L & 6.7L

Product Overview:

This new valve spring retainer is designed for Cummins ISB 5.9L, ISB 6.7L, and QSB 5.9L diesel engines. Manufactured to meet or exceed OEM specifications, it ensures proper valve spring retention for reliable engine performance.

Key Features and Benefits:

• Precision Fit – Engineered for a secure fit on Cummins ISB and QSB series engines
• High-Quality Construction – Built to withstand high engine loads and temperatures
• Direct Replacement – Meets OEM specifications for hassle-free installation

Compatible Engines:

• Cummins ISB 5.9L
• Cummins ISB 6.7L
• Cummins QSB 5.9L

OEM Reference Numbers:

• Cummins: 3940123
• Mopar: 5011878AA
• Aftermarket Equivalents: EHC2811, FP3940123, VK294, VL1097