Heating and Cooling Air Conditioning

WEBASTO

DIAGNOSTIC ADAPTER AT2000ST 3500 50

$26.62

SKU: W040 5092555B

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Webasto Heater 5092555B is an auxiliary heater diagnostic adapter tool. It is designed for use with the diagnostic kit part number 1320920A. This adapter is suitable for various Webasto Heater models, including the Air Top 2000ST, Air Top 3500, Air Top 5000, Air Top 3500ST, Air Top 5000ST, and Thermo 90ST.

This diagnostic cable, with part number 1319940A, is a crucial component for troubleshooting and maintaining your Webasto auxiliary heater system. Its specific design ensures compatibility with the aforementioned heater models, facilitating efficient diagnostics.

Fitment

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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

BrandWEBASTO
Part NumberW040 5092555B

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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