Webasto 22mm Flexible Exhaust Pipe
The Webasto 5000322A is a 22mm flexible stainless-steel exhaust pipe for compatible Webasto fuel-fired auxiliary heaters.
Supplied in a 5-meter length, this exhaust tubing provides a longer-length option for installation and service work where shorter pre-sized exhaust sections may not be appropriate.
The flexible construction allows the tubing to be routed according to the requirements of the compatible heater installation.
22mm Inside Diameter
The Webasto 5000322A features a 22mm inside diameter.
Exhaust diameter is one of the most important specifications when selecting heater exhaust components. The heater outlet and associated exhaust hardware should be verified before installation.
Key product identifiers include:
- Webasto 5000322A
- 22mm inside diameter
- 5-meter length
- Flexible stainless-steel construction
- No end cap
5-Meter Length
The Webasto 5000322A is supplied in a 5-meter length, approximately 16.4 feet.
This longer format makes it particularly useful where technicians or installers need flexible exhaust tubing for custom installation requirements or multiple service jobs.
For a shorter pre-sized option, BTRAC also carries the Webasto 50900126A 22mm flexible exhaust pipe, which is supplied in a 1-meter length with an end cap.
Stainless-Steel Construction
The Webasto 5000322A uses flexible stainless-steel construction for auxiliary-heater exhaust applications.
The exhaust tubing forms part of the heater’s combustion exhaust system and should be installed according to the requirements of the applicable heater and vehicle.
Supplied Without End Cap
The Webasto 5000322A is supplied without an end cap.
This is an important distinction between this 5-meter exhaust pipe and other Webasto exhaust assemblies.
For example:
W-5000322A
5 meters, 22mm, without end cap
W-50900126A
1 meter, 22mm, with end cap
That distinction should make it easier for BTRAC customers to select the appropriate exhaust product for the job.
Air Top 2000 STC Application
The Webasto 5000322A is documented for compatible Air Top 2000 STC heater applications.
This gives the product a direct connection into BTRAC’s Air Top service-parts catalog, including fuel-system, combustion, control, and installation components.
Thermo Top Evo Application
The Webasto 5000322A is also documented for compatible Thermo Top Evo coolant heaters.
BTRAC carries the complete Webasto Thermo Top Evo 12V diesel coolant heater kit, along with individual Thermo Top Evo fuel-system and control components.
The 5000322A adds an exhaust-system service option to that growing Thermo Top Evo product cluster.
Part of the Webasto Exhaust System
Depending on the heater and installation, a Webasto exhaust system may incorporate:
- Heater exhaust outlet
- Flexible exhaust pipe
- Exhaust clamps
- Mounting hardware
- Exhaust termination components
- Compatible exhaust silencer or muffler
Each component should be selected according to the specific heater and installation requirements.
1-Meter vs. 5-Meter Exhaust Pipe
BTRAC now has two complementary 22mm Webasto exhaust products:
W-50900126A
1-meter 22mm flexible stainless-steel exhaust pipe with end cap
Best suited where the documented 1-meter assembly matches the installation requirements.
W-5000322A
5-meter 22mm flexible stainless-steel exhaust pipe without end cap
Provides significantly more material for installation or service requirements needing a longer length.
Keeping both products connected makes it much easier for customers to identify the appropriate configuration instead of treating them as unrelated exhaust SKUs.
KEY FEATURES
- Webasto part number 5000322A
- Flexible exhaust tubing
- Stainless-steel construction
- 22mm inside diameter
- 5-meter length
- Approximately 16.4 feet
- Supplied without end cap
- Air Top 2000 STC application
- Thermo Top Evo application
- Auxiliary-heater exhaust component
- Installation and service application
TECHNICAL SPECIFICATIONS
| Specification | Value |
|---|---|
| Manufacturer | Webasto |
| BTRAC SKU | W-5000322A |
| Webasto Part Number | 5000322A |
| Product Type | Flexible Exhaust Pipe |
| Material | Stainless Steel |
| Inside Diameter | 22mm |
| Length | 5 meters |
| Approximate Length | 16.4 ft |
| End Cap | Not Included |
| System | Exhaust |
| Documented Applications | Air Top 2000 STC / Thermo Top Evo |
DOCUMENTED HEATER APPLICATIONS
The Webasto 5000322A is documented for compatible:
- Webasto Air Top 2000 STC
- Webasto Thermo Top Evo
- Auxiliary-heater systems requiring the specified 22mm exhaust tubing
Compatibility should be verified against the heater’s exhaust requirements before installation.
IMPORTANT ORDERING INFORMATION
BTRAC SKU: W-5000322A
Webasto Part Number: 5000322A
This product is:
22mm ID + 5 Meter + Flexible Stainless Steel Exhaust Pipe + No End Cap
Before ordering, verify:
- Heater model
- Required exhaust diameter
- Required exhaust length
- Exhaust hardware requirements
- Clamp requirements
- Installation configuration
This is exhaust tubing, not a complete heater exhaust kit.
RELATED PRODUCTS / CROSS-SELLS
W-50900126A
Webasto 50900126A 22mm Flexible Stainless Steel Exhaust Pipe – 1 Meter
The strongest related product. Provides a shorter 1-meter option that includes an end cap.
W-70910C
Webasto 24–26mm Exhaust Clamp
Related exhaust mounting/service hardware for compatible applications.
DH-W2000-12
Webasto Thermo Top Evo 12V Diesel Coolant Heater Kit
Complete heater-system connection for the documented Thermo Top Evo application.
W-9024802A
Webasto DP42 Fuel Dosing Pump with Damper
Related service component within compatible Webasto auxiliary-heater systems.
W-1324533A
Webasto DP42.4 Fuel Dosing Pump
Cross-family Webasto fuel-system component.
W-50487171A
Webasto Inline Fuel Filter
Related fuel-system service component.

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