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®1373 PUMP (WELCH)ShopWelch Vacuum Pump PartsDuoSeal Series1373 PUMP (WELCH) Showing all 6 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, PRIMARY, C.I., SPECIAL $448.44 KIT, PRIMARY, CAST IRON, 1373 $435.12 KIT, PRIMARY, PHENOLIC, 1373 $408.48 Kit, Primary, Phenolic, Special $421.80 KIT, SECONDARY, 1373 $275.28 KIT, SECONDARY, W/ MECH. SEAL $287.49