V-belt with designation 863 x 9.7 x 8 mm (narrow profile 9.7 x 8 mm, length 863 mm). For Iseki TX1300/TX1500, SIAL, TF and SG models, Bolens G series, Mitsubishi KE70/KE75/MT372 and Satoh ST1510/S370. Reference numbers include 5663-011-351-00 and MD011351.
A valve seal prevents oil from entering the combustion chamber past the valve stem, and it is important to replace them because worn seals lead to oil consumption, smoke formation, and reduced engine performance.
Original Mitsubishi part
Valve seals / Valve stem seals suitable for, among others, the following models:
Head bolt of high-quality quality, produced for a sturdy and durable mounting of the Cylinder Head. Suitable for various applications in tractors, excavators, generators and marine engines.
✔️ High-quality steel
✔️ Perfect fit for Mitsubishi S3L & S4L engines
✔️ Widely applicable in agriculture, construction and marine applications