BESTFIT TRUCKS 850-8402 Pin Ac High Pressure Switch Normally Closed

( Brand: Bestfit Trucks ), ( Manufacturer Part Number: 850-8402 ), ( Type: High Pressure Switch ), ( Warranty: 1 Year )

Review BESTFIT TRUCKS Peterbilt Pin Ac High Pressure Switch Normally Closed By

The BestFit 850-8402 Peterbilt Pin AC High Pressure Switch is a crucial component in the cooling system of your Peterbilt truck. This switch, which is normally closed, is designed to control the compressor clutch in your air conditioning system.

This high-quality switch is manufactured to meet the exacting specifications of Peterbilt trucks. It is made from premium materials that ensure durability and reliability, even under heavy use. The switch features a robust construction with a corrosion-resistant housing, making it ideal for use in harsh environments.

The BestFit 850-8402 Peterbilt Pin AC High Pressure Switch is designed to fit perfectly into the existing wiring harness of your Peterbilt truck. The switch comes with two pins that connect to the compressor clutch and the wiring harness. The pins are securely fastened to the switch body, ensuring a firm and stable connection.

This switch operates on a high pressure system, making it suitable for use in heavy-duty applications. It is designed to handle the high pressures and temperatures encountered in the cooling system of your Peterbilt truck. The switch is also designed to be normally closed, meaning that it allows current to flow through it when it is not activated.

When the switch is activated, it opens the circuit, disconnecting the compressor clutch from the electrical power source. This prevents the compressor from running, allowing the air conditioning system to stop and cool down. Once the system has cooled down, the switch automatically closes, allowing the compressor to resume operation.

The BestFit 850-8402 Peterbilt Pin AC High Pressure Switch is an essential component in the air conditioning system of your Peterbilt truck. It ensures that the compressor only runs when necessary, helping to prolong the life of the compressor and the air conditioning system as a whole. Additionally, it helps to maintain optimal operating temperatures, ensuring that you and your passengers remain comfortable on the road.

Installing this switch is a straightforward process that can be completed in a short amount of time. It is recommended that you consult your vehicle's service manual for specific installation instructions. If you are not confident in your ability to install the switch yourself, it is recommended that you take your truck to a qualified mechanic for installation.

Buying the Bestfit 850-8402 Peterbilt pin AC high pressure switch, a normally closed type, comes with its own set of advantages and disadvantages. Here's a brief analysis:

1. Designed specifically for Peterbilt trucks, ensuring a perfect fit and compatibility.

2. Normally closed switch design enables the air conditioning system to operate automatically when power is applied, enhancing convenience and ease of use.

3. High-pressure switch is built to handle the demanding conditions of heavy-duty trucks, offering durability and reliability.

1. The cost of this specific switch may be higher than some universal alternatives.

2. Replacing a faulty switch with a new one might require some technical knowledge and skills, potentially leading to additional labor costs.

3. In some cases, other components in the air conditioning system may need to be inspected or replaced alongside the switch, adding to the overall cost and time investment.

The Bestfit 850-8402 Peterbilt pin AC high pressure switch is a reliable and convenient solution for heavy-duty truck owners looking to replace a faulty switch in their air conditioning system. Its compatibility with Peterbilt vehicles and the advantages of a normally closed switch make it a worthwhile investment for those who prioritize convenience and durability. However, the higher cost compared to universal alternatives and potential need for additional labor or component replacement should be considered.

If you own a Peterbilt truck and are experiencing issues with your air conditioning system, the Bestfit 850-8402 Peterbilt pin AC high pressure switch could be an excellent choice for a replacement. It offers the advantage of a perfect fit, reliability, and convenience. However, make sure to weigh the cost against potential labor and component replacement costs before making the purchase. If you are unsure about the installation process, it may be wise to consult a professional mechanic for assistance.

Details:

BESTfit Open 330/370 Close 180/240 PSI High Pressure Switch Fits Peterbilt: Ensure reliable performance and safety in your Trucks air conditioning system with the 2 Pin. Perfect for heavy-duty Trucks, this replacement switch guarantees consistent operation and long-lasting durability. Replaces OE Number s: 18-03835, P93CAA3605-1. High Quality Pressure Switch Fitting Style: Metric Type Of Operation: Open 330/370 Close 180/240 Refrigerant Type: R134A Thread Size: Female M10-1.25 Notes: 2 Pin Sold Individually Warranty On Against Defects In Workmanship Material From Date Purchase.

Designed to replace part number 18-03835 and P93CAA3605.1, this high-quality switch features a female M10 1.25 thread for easy installation durable 2-pin connection secure electrical contact. High Quality Aftermarket Replacement Part Not OEM. Built to withstand high pressure conditions, it helps protect your system by monitoring refrigerant levels and preventing damage from over pressure.

part #: 8508402 price

• $41.99

specifications aiconditioni:

• for makes: Peterbilt
• brand: Bestfit Trucks
• mpn: 850-8402
• type: High Pressure Switch
• warranty: 1 Year

general aiconditioni:

• condition: New
• Commercial Truck Parts > Air Conditioning Heating > Other Air Conditioning Heating

offer aiconditioni:

• quantity: 1
• started: December 12, 2025
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments aiconditioni:

• wallet: Apple-pay
• credit card: Visa
• other

shipping aiconditioni:

• class: Standard
• cost: $0.00
• transit: 5-11 Days
• type: Fixed
• service: USPS First Class
• carrier: USPS

seller aiconditioni:

• rating: 99.6%
• city: Joplin, Missouri
• # reviews: 3142

returns aiconditioni:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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