Moderate — 2–4 hours
Description
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 3398858A |
Videos
The BEST Upgrade for Vanlife!!! | DIY Heater Install Tutorial (Webasto Evo 40)
Webasto Air Top 2000 STC vs. EVO40 Comparison
Dry Heat WITHOUT Propane - Webasto Gas/Diesel Heater Installation in RV
VAN BUILD | WEBASTO HEATER INSTALL| A SIMPLE BREAKDOWN
#6 Webasto Air Top EVO 40 Gasoline Smartemp kit for USA 5013759A
(UPDATE) 6 Months Using Webasto Gas/Diesel Heater in RV
How to use a Webasto Diesel Heater SmartControl panel - Redline Campers.
Webasto Diesel Heater Operation
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.
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