Mercedes 1984-1996 W124 Copper Heater Core

HC Mercedes 84-96 W124

Regular price $829.00 Sale price $389.00

This replaces series W124 Mercedes part 9056500037.  There is no plastic. and no aluminum.  We solder the formed tubes to the tank. It has a copper tube and fin core with higher fin density.

If you are searching for an obsolete, one-off or hard to find copper and brass heater core for your older Mercedes you are not alone and you may be in luck. We make our own cores and fabricate our own tanks so, naturally, we get asked to build custom heater cores or "small radiators."  We require that you ship your pattern in.

Our build queue varies.

Present Lead times.

Made in the USA


We make to order. Please allow adequate time for us to build.

Build time estimates [April 23, 2026]

Model Ts Brass 18 weeks

Model Ts Black 13 weeks

Model As 17 weeks

Heater cores ~11 weeks

1928-34 Ford Hot rods 2-3 weeks

Common street rods ~12-15 weeks

Tricky customs & complicated restorations ~20-25 weeks

We appreciate your patience as we continue to recruit and train new fabricators and manage the labor shortfall our country has been experiencing.