Piston Ring Set Cummins M11 Application Early ISM Application
Cross References:
Cummins: 3803705, Cummins: 3803977, CUP505100
- Durable construction
- Direct replacement for OE part 3803977
- Cummins M11 Engine Application
- Genuine PAI product including a factory 2-Year Warranty
- Quality You Can Trust - PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards
Features
- DETAIL - PAI piston rings are carefullly designed and feature cutting edge precision. Piston ring specifications are measured in a 3D environment. Finished products are dyno and road tested to ensure the 100% functionality and performance.
- STRENGTH - PAI piston rings are made of industry leading materials and processes. Our piston rings and piston ring components are rigorously tested in heavy duty diesel engines and high stress work environments to certify proper and continuous operation over long periods of time.
- VARIETY - PAI is a market leader of heavy-duty diesel truck parts, and our piston rings and piston ring components are no exception. We have been manufacturing and expanding our product offerings since 1973. If there is a part you need, and we do not have it, there is a good chance we are working diligently to make it.
Cross References:
Cummins: 3803705, Cummins: 3803977, CUP505100
- UPC:
- 193807086909
- Mfr Part Number:
- 505100
- Bore (mm):
- 125
- Ring Count:
- 3
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.8
Out of 5.0

Overall Rating
97%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
April 22, 2025 by SAUL L. (CIUDAD DE MEXICO, Mexico)
Company Choice
Por que era el proveedor que tenía el producto que necesitaba.
Product Choice
Me dedico a la reventa y mi cliente me pidió este producto.
April 22, 2025 by Zachary A. (United States)
“Easy to navigate and complete purchase”
Company Choice
They had the product I needed at an affordable price
Product Choice
It was what I needed
April 22, 2025 by gregory M. (United States)
“Right parts, shipping that is a good price”
Como recomendación si un cliente les pide enviar a México consideren UPS como paquetería, con ellos fue más fácil la entrega.”