Specification Brand : FYSETC BulletPoint1 : 1. Prussa MK3S+ Drop-in Replacement Extruder Stepper Motor: Great replacing part for the E axis of MK3 MK3S+ hotend print head 3d printer accessories. Sometimes replacing the extruder stepper would help fix the problem with filament slipping BulletPoint2 : 2. High Quality: Adopting high quality motor steel material, is provided with high torque (400mN.m/57.1 oz.in) ), low self-inductance reactance, responsive and can avoid system error. Low loss stators have better high speed performance. Not easily get hot and not loud. A good spare for your prusai3 extruder parts BulletPoint3 : 3. Good Clone Part as the original stepping: This extrusion motor comes with an integrated 4 pin connetcing wire, cable length about 700mm/27.5inch. Well fit with the 42-40 extruder gears and the wire has a good length BulletPoint4 : 4. Small 42-40 Extrusion Stepping Motor: Size 42mm X 40mm X 20mm/1.65''x1.57''x0.78'' ,NEMA 17 bipolar 4-wire:Black: A+, Green: A-, Red: B+, Blue: B- BulletPoint5 : 5. Package listing: 1x Extruder Motor with integrated cable. If need Prusa other small motor replacement for X axis( Asin: B0BNMVDLQF) or Y axis( Axis: B0BNMT55HX) or dual Z screw motor(Asin: B0BN81M7T8), please go to our shop Color : 17HS8401 ExternallyAssignedProductIdentifier1 : 701056563227 ExternallyAssignedProductIdentifier2 : 7107393038405 ExternallyAssignedProductIdentifier3 : 0701056563227 GradeRating : Industrial Horsepower : 13.5 watts IncludedComponents : H1H ItemForm : Sheet ItemName : FYSETC 3D Printer Prusai3 MK3S+ Extruder Motor NEMA17 Bipolar 2 Phase 1.8 Degree 20mm Shaft Small Motor with Integrated Connecting Wire Compatible with MK2 MK3S E Axis or CNC Machine ItemPackageDimensions_Height : 9.8044 centimeters ItemPackageDimensions_Length : 6.5024 centimeters ItemPackageDimensions_Width : 6.9088 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : 3d-printer-motors Manufacturer : Fuyuansheng Material : Metal ModelName : gear ModelNumber : 17HS19-1684S-PG100 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : US-MK3 Extruder Motor Pattern : 17HS8401 ProductDescription : What will you get? 1x Nema 17 stepper motor with integrated wire, 4-pin. ProductSiteLaunchDate : 2022-07-30T09:29:29.531Z Size : Nema 17 Speed : 4 rpm Style : Extruder motor SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 26111500 Voltage : 2.8 volts