Beschreibung
An Air-Cooled Engine Tells You Everything Through Its Carburettor. A Beetle that hesitates off idle, hunts at a steady cruise or refuses to settle to a clean tickover is usually describing a worn throttle shaft, a perished diaphragm or a float that has drifted. Replacing the unit is often faster than rebuilding one that has been apart twice already.
Built for the single-port manifold. This is a 30/31 PICT-3 unit intended for the single-port manifold configuration, supplied with the gasket so the installation is a straight swap rather than another parts order. Interchange numbers 113129029A and 113 129 031 are the references it is built to, which is what matters when you are matching a part to a car that has been through several owners.
Specified as a complete replacement rather than a kit of pieces. The body is a high-performance replacement casting, weighs around 2.5 kilograms as shipped, and measures roughly 20.5 centimetres long by 17.5 wide by 15 high, so it matches the manifold footprint the original occupied.
Fitment on an air-cooled engine is a mechanical job, but the setup is not. Tell us the engine displacement, the distributor and whether the car runs a mechanical or vacuum advance, and we will confirm which variant suits your build before it leaves.
A carburettor is not a part. It is the argument between air and fuel.
Key Features
- ✦ 30/31 PICT-3 configuration for the single-port manifold
- ✦ Supplied with the manifold gasket for a straight swap
- ✦ Interchange references 113129029A and 113 129 031
- ✦ High-performance replacement casting rather than a rebuild kit
- ✦ Approximately 2.5 kg as shipped, matched to the original footprint
- ✦ Front-mounted fitment for the VW Beetle air-cooled layout
- ✦ Suited to stock and mildly tuned single-port builds
- ✦ Complete unit, ready to fit and adjust
Technical Specifications
- Type: 30/31 PICT-3
- Manifold: Single port, gasket supplied
- Interchange Part Numbers: 113129029A, 113 129 031, 113 129 029A
- Manufacturer Part Number: 113129029A
- Length: 20.5 cm
- Width: 17.5 cm
- Height: 15 cm
- Item Weight: 2.5 kg
- Material: High-performance replacement casting
- Placement: Front, air-cooled engine bay
- Vehicle Fitment: Volkswagen Beetle, single-port manifold, 30/31 PICT-3 type
- Included: Carburettor and gasket
Where the Single Port Belongs
It goes on cars that are being brought back into service rather than restored to concours condition: a Beetle that has been sitting, an engine rebuilt over a winter, a single-port build that keeps stalling at junctions. Restoration shops use it when the original casting is beyond economic rebuild and the customer wants to drive this season rather than next. Kit car and sand rail builders choose it because the 30/31 PICT-3 unit is the known quantity in the air-cooled world, with a jetting baseline that a competent engine builder can work from. Owners who have chased a running fault across ignition, fuel pump and valve clearances often find the carburettor was the one component never properly replaced.
Frequently Asked Questions
Q: Which part numbers does it replace?
A: It is built to the 113129029A and 113 129 031 references for a 30/31 PICT-3 single-port application. Match the numbers stamped on your original unit before ordering.
Q: Is the gasket included?
A: Yes, the manifold gasket ships with the carburettor so the swap does not stall on a parts order.
Q: Will it fit a dual-port engine?
A: This is a single-port manifold unit. Tell us your engine code and manifold type before ordering and we will confirm whether it is the correct unit or whether you need a different configuration.
Q: Does it need re-jetting?
A: Jetting depends on displacement, altitude and any other modifications. It arrives set for a stock single-port application, and a competent engine builder should confirm idle mixture, float level and jetting on the car.
Q: Is it new or rebuilt?
A: It is a new replacement unit built to the interchange specification, not a rebuilt original casting.
Q: What is the shipping difference between the variants?
A: The variant selects the shipping origin, United Kingdom or United States, so that the unit reaches you through the most reliable route. The carburettor itself is the same.
Q: Can I fit it myself?
A: It is a mechanical bolt-on job for anyone comfortable with an air-cooled engine. The part that matters afterwards is the setup, so budget an hour for idle mixture and linkage adjustment.
Q: What else should I replace at the same time?
A: On a car of this age the fuel lines, the filter and the base flange gaskets are worth doing in the same session. Ask us and we will list what we would check before the first start.
The EastSupplier Promise
Every listing in this catalog is sourced, checked against its stated specifications, and dispatched from a supply chain we control. If a unit arrives damaged or does not match the description, we replace it or refund it, no argument.
Questions about compatibility, bulk quantities, or delivery to your region? Our merchandising desk replies within one business day.
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