MK4 Hotend with Heater Cartridge Heating Block One-Piece Hardened Steel Nozzle 0.4mm For Prusa MK4/XL/MK3.9/i3 3D Printer Parts

MK4 Hotend & 3D Printer Parts for Prusa MK4/XL/MK3.9/i3 - High Precision & Durable ReplacementWelcome to our store! We provide high-quality 3D printer replacement parts, perfectly compatible with Prusa MK4, MK4 XL, MK3.9 and i3. Our MK4 hotend kits and accessories are stable, durable and high-performance, helping you easily replace parts and upgrade printing experience.🌟 Key Features Perfect Compatibility: Designed for Prusa MK4/XL/MK3.9/i3, direct replacement with no complicated modifications. Plug-and-play, easy to install even for beginners. Multiple Kit Options: 4 types to meet different needs:Basic Kit (No Nozzle): For users with spare nozzles who need to replace hotend main parts.Standard Kit: With E3DV6 0.4mm brass nozzle, suitable for daily printing (PLA/ABS/PETG), good thermal conductivity and precise extrusion.CHT Hardened Steel Kit: 1 brass nozzle (0.4mm) + 3 CHT hardened steel nozzles (0.4/0.6/0.8mm). CHT boosts flow by 60%, hardened steel resists abrasion from special filaments.Bimetal Kit: 1 brass nozzle (0.4mm) + 3 bimetal nozzles (0.4/0.6/0.8mm). Dual-metal structure for high temperature resistance, less clogging and stable printing. High-Quality Core Components:Heater Cartridge: 6x12, 24V40W, 145mm wire (MX3.0 connector), fast heating and stable temperature.Thermistor: 3x7, 125mm wire (50578－0200 connector), accurate temperature measurement (-50°C to 300°C).Heating Block: CNC copper-plated, excellent thermal conductivity and uniform heat distribution.Silicone Cover: Heat-insulating, protects components and reduces heat loss. Durable & Reliable: All parts are high-quality and strictly tested. Wear-resistant nozzles and sturdy accessories ensure long-term use. Cost-Effective: One-stop purchase for Prusa MK4 hotend replacement, saving time and money, suitable for hobbyists and professionals. 📦 Product ListOption 1: MK4/XL Hotend Kit (No Nozzle)Option 2: MK4/XL Hotend Kit (Standard) - E3DV6 Brass Nozzle 0.4mmOption 3: MK4/XL Hotend Kit (CHT Hardened Steel) - 1 Brass + 3 CHT Steel NozzlesOption 4: MK4/XL Hotend Kit (Bimetal) - 1 Brass + 3 Bimetal NozzlesOption 5: MK4 Heater Cartridge (6x12, 24V40W, 145mm, MX3.0)Option 6: MK4 Thermistor (3x7, 125mm, 50578－0200)Option 7: MK4 Heater Cartridge & Thermistor KitOption 8: Prusa MK4 Heating Block (CNC Copper-Plated)Option 9: Prusa MK4 Silicone Cover💡 Why Choose Us?100% compatible with Prusa MK4/XL/MK3.9/i3, direct replacement.Multiple options for different printing needs.High-quality materials and strict quality control.Fast shipping and 24-hour after-sales service.Upgrade your 3D printer with our high-performance MK4 hotend parts! Add to cart now for smooth, high-quality printing!