For four-stroke diesel engines, we have a large number of piston rings for sale in stock for the following brands and models. L23/30H,N18,EY18,M200,DK-20,DL-20.They come from China’s well-known brand piston ring factory which has the accessory factory qualification of the diesel engine makers.
SUITABLE FOR: | PART NO. |
L23/30H | 50601-01H-127/50601-01H-093/50601-01H-103/50601-01H-115 |
N18 | 746673-22501 |
EY18 | 746673-22501 |
M200 | 741654-22501 |
DK-20 | E205150170/E205150200/E205150230/E205150240 |
DL-20 | E205100170Z/E205100100A/E205100110Z/E205100120A |
- L23/30H


- N18/EY18


- M200


- DK-20


- DL20



In addition, we also have the genuine piston rings as follows which are original imported, in stock for sale.
SUITABLE FOR | PART NO. |
L23/30H | 50601-01H-127/50601-01H-093/50601-01H-103/50601-01H-115 |
N18 | 746673-22501 |
EY18 | 746673-22501 |
N21 | 747673-22502 |
670W4L20 | 113 012 |
- L23/30H


- N18/EY18


- N21


- 670W4L20

Qinhuangdao Sino-Ocean Marine Equipment & Machinery Co., ltd was founded in 1995, which has always been dedicated to providing professional one-stop services for the maritime industries. Till today SINO-OCEAN MARINE has grown into a comprehensive enterprise which gathered equipment & spare parts supplying, manufacturing, ship repairing, technical supporting, shipbuilding equipment supplying together.Abundant stock, strong technical support, efficiency service team, professional experience!Believing, Sino-Ocean will always be your reliable marine equipment & spare part specialist!