GPW carburetor air horn, early type
WO641918
Carburettor air horn
Metal 90° elbow for Carter WO and Solex carburettor
Reproduction air horn for the connection between the carburettor and the air filter tube. This metal component creates the 90° bend from the top of the carburettor to the flexible rubber hose and crossover tube towards the air filter. Essential component of the intake system for vehicles with the L-134 engine.
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Material Steel, untreated |
Carburettor type Carter WO / Solex downdraft |
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Engine L-134 flathead (Go Devil) |
Original part number WO-A-463 / GPW-9632 |
Features
- Metal 90° elbow construction
- Connects carburettor to crossover tube
- Secured with clamps on both sides
- Suitable for Carter WO and Solex carburettors
- Reproduction to original specifications
★ This component is often found damaged or missing on original vehicles. The reproduction is made to original dimensions and fits both Carter WO-539S and Solex downdraft carburettors.
Application
Suitable for vehicles with L-134 flathead engine and downdraft carburettor (Carter WO or Solex). Used in combination with rubber sealing sleeve (A-17318) which is secured with clamps around the air horn and top of the carburettor.
Installation notes
Secured with clamps: at the bottom on the carburettor opening (approx. 4" diameter) and at the top on the crossover tube. Ensure correct placement of the rubber seal between air horn and carburettor. Tighten clamps evenly to prevent leaks. Check for air leaks around the connections after installation.
Compatibility
Fits all L-134 engines with downdraft carburettor (Carter WO-539S, 698S, or Solex). NOTE: M38 vehicles often had a different carburettor/air filter configuration from the factory - check whether your M38 has been converted to downdraft Carter/Solex before ordering this part.
Historical context
The Carter WO-539S downdraft carburettor was standard on WWII MB and GPW jeeps. The metal air horn connected the carburettor to the oil-bath air filter via a crossover tube and rubber seal system.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
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This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Ford GPW (early) | 1942 |
📐 Diagrams & technical drawings
From the original Technical Manual TM 10-1513 — Maintenance Manual — only for Willys MB / Ford GPW (1942)
