Moderate — 2–4 hours
Description
It features more flexible installation options, including rotatable coolant inlet and outlet connections, longer fuel line length, and a universal controller harness.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | WEBASTO |
| Part Number | W040 5013783D |
Videos
Webasto Coolant Heater (feat. Thermo Top Evo)
Diesel Coolant Heater Showdown | HLN Aquano vs Webasto Thermo Top Evo
Retrofit a Engine Pre-heater on any Van!
Webasto Thermo Top V/ Thermo Top- EVO
CHEAP Engine Preheater INSTALL 
Webasto Coolant Heater Install | 1st Gen Cummins
Webasto Coolant Heater - Medium Duty Application
Why you need a Webasto
Webasto thermo top c/z canbus removal board.
Webasto Thermo Top C wiring to start manually.
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy