
1981 to 1991 Monovalve Climate Control Electric Water Pump Upgrade
Since the original style Bosch electric pumps are no longer available, Kent decided to come up with a good alternative.
Just acquired some primo and hard to find W123 turbo diesel parts. CLICK HERE to view all.
Since the original style Bosch electric pumps are no longer available, Kent decided to come up with a good alternative.
In this 30-minute instructional video, Kent will explain how this new pump compares to the original, what is included in the kit and why, how to make a new plugin wiring harness, demonstrate step by step how to install this pump in a late W123 and explain the differences you will face when instal
Are you tired of your sluggish heater system? Does it take too long to change temperature. Does it get hot when you want it to get cold.
This is probably the very best upgrade you can make for your automatic climate control. It will switch the hot to cold or cold to hot much faster and will hold a much steadier heat at high engine speeds.
LAST ONE. For all 107, 123, and 126 chassis cars with U.S.-style automatic heater controls. Failure of this part is the most common reason you get inconsistent or erratic heat. This will not work for cars with manual control levers.
Good used monovalve housing and hoses as shown. One hose is missing. Good pump bracket. Electric pump NOT included. Mono valve switch assembly and plunger is NOT INCLUDED. SEE RELATED PRODUCTS below to order separately.
PLEASE NOTE In stock now and ready to ship. No detailed instructions at this time, but it is not a difficult install this unit once you remove the false firewall at the back of the engine. You will be able to gain access to the monovalve and electric pump assembly.
If you have a 1981 to 1985 W123 300D, 300CD, 280E, 280CE, 300TD or a 1981 to 1989 W107 380SL, 560SL, or a 1981 to 1991 W126 380SE/L 300SD 500SE/L 300SDL 420SE/L 300SE/L 560SE/L 380SEC 560SEC that has automatic climate control this video manual will apply. These c
Since the original style Bosch electric water pumps are no longer available NEW. If you need a replacement pump, you have three options. 1. Buy a used pump. 2. Buy our newer pump conversion upgrade. 3. Take your inoperable pump out of the system.
The parts in this little kit will do two things. 1. Protect your climate control push button panel. 2. The system will get more accurate readings from the climate control sensor on top of your dash.
Good used working water pump as shown
This fits the U.S. models with automatic climate control which include the 1982 to 1989 R107 380SL, 500SL, and 560SL + the 1982 to 1985 W123 ALL models + the 1981 to 1991 W126 sedan and coupes. This is an easy fix that you can do yourself.
APPLIES TO: The first general automatic climate control was introduced in 1977 in the U.S. market.
Learn how to install this critical repair kit correctly and how to test your monovalve function on the bench. In this 13-minute video, Kent shares how to install the kit while avoiding problems. Get your cabin heat working properly again!
In this instructional video, Kent demonstrates how easy it is to install the Klima heater control valve ( monovalve replacement ). If you have one of these popular and classic Mercedes, this is the best upgrade you can make for your climate control.