Mechanical Seal Kit | Honda WT30K3, WT30K4 | 78130-YG1-003

Keep your Honda WT30X trash pump running at peak performance with this genuine OEM mechanical seal kit. Designed specifically for WT30K3 and WT30K4 models, this kit includes the essential seals and valves required to restore your pump’s sealing system and prevent costly leaks or performance loss. This is a factory-original Honda replacement kit — not an aftermarket substitute. Ideal for contractors, fleet mechanics, and service techs needing dependable performance and proper fitment.

Honda WT30X genuine OEM mechanical seal kit.

Kit Includes:

• (1) 78130-YG1-003: Mechanical Seal
• (1) 78313-YG1-003: Front Flapper Valve
• (1) 78136-YG1-003: Top Flapper Valve
• (1) 78134-YG0-003: Volute O-Ring
• (1) 63512-YG0-003: Front Cover O-Ring
• (1) 91351-YG0-003: Drain Cap O-Ring
• (1) 91352-YG0-003: Fill Cap O-Ring

Machine Fitment:

• WT30XK3 AC: WABJ-1000001 – 1138507
• WT30XK3 AC/A: WABJ 1138508 – 1140058
• WT30XK3 AC/A: WABJ 1140059 – 9999999
• WTX30XK4 AC: WAWJ 1000001 – 9999999