Let's Wire Up the Block Heater!

NAPA cord PN: 28450
NAPA AUTO PARTS


This looks suspiciously familiar.

Replacement Block Heater Cord, 251919, Fleetguard Cummins - Ryder Fleet Products

https://www.google.com/search?q=Fleetguard+Replacement+Block+Heater+Cord+251919&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-USfficial&client=firefox-a

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__________________
ASE Master Mechanic
https://whunter.carrd.co/

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
2003 Volvo V70

https://www.boldegoist.com/

This is not my pic. I found it on the block heater plug removal thread. Is this the Mercedes block heater that is installed in the block? Does anyone have a pic of it unistalled? It is supposedly made out of brass and is beautifully made.

__________________
85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

.

__________________
ASE Master Mechanic
https://whunter.carrd.co/

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
2003 Volvo V70

https://www.boldegoist.com/

How does the various products mentioned on the list compare, and which one can be said to be the best?
https://11must.com/best-clamp-meters/