Goss Air Conditioning Pressure Switch AC121

The GOSS Air Conditioning Pressure Switch is listed as Part No. AC121 and is supplied as a single unit, sold each. It sits in the AC Components group and is also categorised under Cooling, which makes it relevant when replacing an A/C pressure switch in a vehicle air conditioning circuit.

GOSS states that its sensors are sourced from OES manufacturers and meet or exceed OE specifications. For a pressure switch application, that kind of parts matching matters because the switch is part of the control and protection side of the air conditioning system, where correct application and reliable operation are important.

This item is manufactured in Spain and carries a 12 month warranty. If you are matching a replacement for an existing switch, the part number AC121 is the main identifier to confirm before ordering, alongside the vehicle application and any existing markings on the fitted component.

The listed product description is simply Air Conditioning Pressure Switch, so the safest buying approach is to verify the original part number, compare the switch type fitted to the vehicle, and make sure the application aligns before purchasing. That is especially important with A/C control parts, where small differences in fitment or connector style can matter.

Key Features

• GOSS air conditioning pressure switch
• Part No. AC121
• Sold each
• Manufactured in Spain
• 12 month warranty
• GOSS sensors sourced from OES manufacturers

Specifications

• Brand: GOSS
• Product type: Pressure Switches
• Description: Air Conditioning Pressure Switch
• Part No.: AC121
• Product group 1: Cooling
• Product group 2: AC Components
• Unit of measure: Each
• Manufactured in: Spain

Known fitment applications

• Alfa Romeo 147
• Alfa Romeo 156
• Alfa Romeo 33
• Alfa Romeo Alfasud
• Alfa Romeo Giulietta
• Alfa Romeo GTV
• Alfa Romeo Spider

Application and Buying Notes

Before ordering, confirm the fitted part is AC121 or cross-check the switch already on the vehicle against the listed GOSS part number. The product title identifies it r conditioning pressure switch, but pressure switch applications can vary by vehicle, model year, and system configuration, so the part number remains the best starting point for a reliable match.

The fitment information supplied includes Alfa Romeo applications, with the preview showing Alfa Romeo 147 model years 2001 through 2010 and Alfa Romeo 156 within the grouped fitment data. That gives a clear indication that this switch is intended for selected Alfa Romeo air conditioning systems, but it is still wise to match by the original switch details rather than relying on model name alone.

The warranty is 12 months, and the part is manufactured in Spain. Those details are useful when comparing replacement options, especially if you are assessing quality, country of manufacture, or keeping consistency with an existing component. For a pressure switch, the right electrical and mechanical match is more important than choosing by appearance alone.

Because GOSS lists these sensors as sourced from OES manufacturers and made to meet or exceed OE specifications, the part is positioned as a direct replacement style component. Even so, the practical check is always the same: verify part number AC121, confirm the vehicle application, and inspect the existing switch or system information before finalising the order.

If the air conditioning system has been modified, repaired, or fitted with non-original components, take extra care. A pressure switch used in the wrong application can create diagnosis issues or prevent the A/C circuit from operating as intended. Matching the existing part number and vehicle application is the most dependable way to avoid that problem.

For workshop or retail customers, it is also worth confirming whether the replacement is needed because of an electrical fault, pressure control issue, or physical damage to the existing switch. The listing does not specify connector style, pressure range, or thread details, so those should be checked against the old part if they are relevant to the vehicle being repaired.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number AC121 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type PRESSURE SWITCHES, Unit of Measure EACH, Warranty 12 Months, Product Group 2 AC COMPONENTS, Part No. AC121, Brand GOSS, Description Air Conditioning Pressure Switch, Manufactured in Spain, Product Group 1 COOLING.

Air Conditioning Pressure Switch. Part number AC121 should be checked first. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number AC121, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a pressure switches in workshop, fleet, trade, agricultural, or construction service, the listed electrical specification should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm fitment by matching the vehicle application and the fitted part number AC121 before ordering. Where the original switch or system details differ, use the existing component as the final reference rather than relying on the product name alone.

FAQ

What is this part used for?

It is an air conditioning pressure switch, listed under cooling and AC components. The part number is AC121.

What brand is it?

The brand is GOSS.

Is a warranty listed?

Yes. The listed warranty is 12 months.

What vehicles are shown in the fitment information?

The supplied fitment data includes Alfa Romeo applications, with fitment references shown for Alfa Romeo 147, 156, 33, Alfasud, Giulietta, GTV and Spider.

How should I confirm it is the correct replacement?

Check the fitted switch and confirm it matches Part No. AC121, then verify the vehicle application before ordering.

Where is it manufactured?

The listing states that it is manufactured in Spain.