Yanmar 129916-01790 Crankshaft Oil Seal

The Yanmar 129916-01790 is a rear crankshaft oil seal designed to seal the crankshaft outlet at the flywheel housing, preventing engine oil leakage. It features a nitrile rubber (NBR) sealing lip with a garter spring on a metal case, configured for anti-clockwise rotation with a felt dust lip. This seal is a direct replacement for Yanmar 4TNE94, 4TNE98, 4TNV94, 4TNV98, 4TNV98T, and 4TNV98CT industrial diesel engines. It is widely applied in compact construction machinery including Komatsu PC80MR-3, PC80MR-5, PC80MR-5E0 hydraulic excavators and WA100M-8 wheel loaders, as well as Doosan Solar 55-V, 55W-V, 75-V excavators and Hitachi ZX40U-2, ZX50-2 mini excavators. Cross-references include Yanmar 124411-01780, Sensei 129916-01790-SS, and Tired Iron A-129916-01790.