New Cummins L375 Piston Kit 4089944 | 4941395 Crown for ISL/QSL Engines

The New Piston for Cummins Engine Parts L375 (4089944 kit with 4941395 crown) is a two-piece diesel piston assembly that can move around. It works well with 8.9L engines and works well even when things become tough. It has precision parts for a full cylinder replacement that meet or exceed OEM specifications for marine, vehicle, and industrial use.

Piston for Cummins Engine Parts L375 4941395 4089944 Features:

-> Articulated Two-Piece Design: The crown (4941395) and skirt (typically combined with 3966721) are both strong, and the 114mm diameter helps with compression and less wear in 8.9L engines.

-> The kit includes everything you need for one cylinder, like a piston, pin, retainers, and a ring set. To rebuild all six cylinders, you’ll need to get six kits.

-> Precision Engineered: Made to Cummins’ exact requirements so that it fits perfectly in L375, ISL, QSL, and ISC 8.3/8.9L models, making sure that power is delivered evenly.

Compatible Engines

• Cummins ISL, QSL 8.9L (540 cubic inches), L375, ISC8.3, ISLe, QSLe series.​

• Fits CPL numbers: 388, 1286, 1480, 1793, 1861, 1978-1980, 2176, 2724, and more up to 8703.​

• Ideal for Euro 4 emissions standards and CAPS fuel systems.

Pros of Piston 4941395 4089944

Reliable power restoration reduces downtime in heavy-duty activities and lasts longer and can handle more heat. It was made for marine equipment vendors and fleet operators, and it works with minimum friction to keep uptime high and SEO-friendly. In Cummins L375 applications, you can expect better fuel economy and torque.