Please offer the best price for below items,Item 1 Shaft Seal (Spare Parts for IVECO Fuel Bowser) P/N :4890832 Item 2 Shaft Seal (Spare Parts for IVECO Fuel Bowser) P/N : 4890833 Item 3 Breather (Spare Parts for IVECO Fuel Bowser) P/N : 504090874 Item 4 Dust boot for Mitsubishi Dump Truck T-64 Please also advise the delivery charges to Singapore. We look forward to receiving your favorable reply.Regards,Grace