MK8 Extrusion V5 J-head Hotend Heating Aluminum Block 20x20x10mm with Thermistor Ceramic Heater 12V 24V 40W for 3D Printer Part
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1
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Thermistor:100K NTC B 3950 1%
Length of Wires:1 meter
Heating block size:20*20*10mm
Holes for nozzle and throat:M6*1
Thermistor's Connector:2 pins dupont
Rated Voltage:12V/24V(optinal)
Color:red wire heater / white wire heater (optional) Reted power:40W
FQA
What's different of red color and white color ?
There are just heater wire color different (white wires are improved to prevent hand itching when touched heater wire),both are quality heater cartridge,suitable for using on 3D printing.
1 pcs - heating aluminum block kit
Customer Reviews
73 ratings
high-quality (5)
fast delivery (5)
thank you (3)
well-packaged (3)
satisfactory (3)
works perfectly (2)
Customer photos (14)
U***r
July 21, 2026
Variant: Color:Red wire Size:12V 40W
Needed this for a electric project, works really well
Buyer from United States
March 1, 2026
Variant: Color:White wire Size:12V 40W
Popped right in as a replacement, swapped in a higher thermistor and heater cartridge up to 300c for PETG/ASA. Took the old heat block off and swapped it for a more close to stock mk8 clone (personal preference, no offense) and soldered the new connection to be compatible with the SE toolhead board.
Buyer from Brazil
August 11, 2026
Variant: Color:Red wire Size:12V 40W
Everything arrived perfectly, and it arrived one day earlier than expected.
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Buyer from Ukraine
July 28, 2026
Variant: Color:Red wire Size:12V 40W
It arrived very quickly via Ukrposhta. This is my second purchase because it's convenient and of good quality. Thanks to the seller for the great product.
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Buyer from Ukraine
June 23, 2026
Variant: Color:Red wire Size:12V 40W
It arrived very quickly via Ukrposhta. This is my second purchase because it's convenient and of good quality. Thanks to the seller for the great product.
Translated by AliExpress ·
Buyer from Chile
June 22, 2026
Variant: Color:Red wire Size:12V 40W
MK8 Extrusion V5 J-head Hotend Heating Aluminum Block 20x20x10mm with Thermistor Ceramic Heater 12V 24V 40W for 3D Printer Part
Quantity:
1
Availability:
Not Available
