Grundfos NBG / NKG Pump Mechanical Seal - Part Number - 98434906 BQQE AUD 158.0 Category : Pump Shaft Seals Seller : selectseals(2591, 100.0%) | Grundfos NBG/NKG Pump shaft seal - 98434906 BQQE replacement mechanical seal AUD 158.0 Category : Pump Shaft Seals Seller : nqsteve(565, 98.5%) |