
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Retaining Ring Cummins 3920692 | 3901996, 3901922
The Cummins 3920692 retaining ring is designed to securely hold the piston pin in place, preventing lateral movement and ensuring reliable engine operation. Engineered for heavy-duty Cummins C and L series engines, it offers exceptional durability and precise fitment.
Description
High-Quality Retaining Ring for Cummins Engines
The Cummins 3920692 Retaining Ring (also known as a piston pin circlip) is a critical fastening component designed to secure the piston pin within the piston assembly. By preventing lateral movement of the pin, this retaining ring protects the cylinder walls from severe damage and ensures the structural integrity of your engine’s power cylinder kit.
Key Features & Benefits
- Precise Fitment: Manufactured to exact specifications for seamless installation and reliable retention under high-stress operating conditions.
- Heavy-Duty Construction: Made from high-strength spring steel to resist wear, tension, and thermal fatigue.
- Engine Protection: Prevents the piston pin from sliding out, avoiding catastrophic cylinder liner and piston damage.
Compatible Engine Models
This retaining ring is widely used in Cummins C and L series medium to heavy-duty diesel engines, including:
- Cummins 6CT 8.3
- Cummins ISC 8.3
- Cummins ISL 8.9 / ISL 9
- Cummins QSC 8.3
- Cummins QSL 8.9 / QSL 9
Note: Please verify your engine serial number (ESN) or refer to your parts manual to ensure correct fitment before ordering.
