What's in the box:

Piston Ring x 1set

(Price for 1 Cylinder) NPR Piston Ring Set 020 (0.50mm) YDM31014ZX for Mitsubishi Truck Lorry Bus 3.3 4.9 5.0 4D30 4D31 6D31 (76.0mm)

Best Quality Product
We have distributed many types of model
Price quoted for Piston Ring per cylinder
Please verify the sizes that you required against the published size to ensure the correct product is being ordered as below :

T : 100.0 × 3.0 × 3.65
2 : 100.0 × 2.0 × 4.2
O : 100.0 × 5.0 × 4.95

Cross Reference :
ME012010
ME012070

Engine :
4D30

Introducing NPR
Nippon Piston Ring Co., Ltd. was founded in 1931 as the first piston ring manufacturer in Japan. The company has been continuously engaged in the production of various engine components for over half a century.
Engines are constantly being developed and made more efficient. Manufacturers of engine parts, together with
engine builders, have to meet the technical challenges modern designs present to them.
NPR has 18 engine test benches of its own, where its products are constantly tested and improved to ensure they are suitable for commercial use.

NPR’s products are supplied to every manufacture of internal combustion engines in Japan. Many are also
exported both as original equipment and after market parts to overseas market.
Abroad, NPR’s international operation continues to expand with many agents and distributors in many countries.