Products search Shop By Category Call 866-674-6225AdaptersCF Flanges and FittingsHigh Vacuum Bellows SS HosesValvesWeld TubesISO Flanges and FittingsKF (QF) Flanges and FittingsAlcatel Vacuum Pump PartsLeybold Vacuum Pump PartsPfeiffer Vacuum Pump PartsWelch Vacuum Pump PartsGreases – SuppliesVacuum Rated HosesUniversities OnlyPressure Measurement VacuumCustom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsBriskHeat®1374 PUMP (WELCH)ShopWelch Vacuum Pump PartsDuoSeal Series1374 PUMP (WELCH) Showing all 7 results Default sortingSort by popularitySort by latestSort by price: low to highSort by price: high to lowSort by name: A-ZSort by name: Z-A Kit, Gasket, w/ Mech Seal $293.04 KIT, PRIMARY, C.I., SPECIAL $560.55 KIT, PRIMARY, CAST IRON, 1374 $551.67 KIT, PRIMARY, PHEN., SPECIAL $576.09 KIT, PRIMARY, PHENOLIC, 1374 $487.29 KIT, SECONDARY, 1374 $217.56 KIT, SECONDARY, W/ MECH. SEAL $342.99