1981 Mack MS300P Mid-Liner Air Conditioning Parts

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Keep Your 1981 Mack MS300P Mid-Liner in Top Shape with Quality Air Conditioning Parts

Whether you’re repairing or upgrading your Air Conditioning Part, using high-quality parts is key to keeping your 1981 Mack MS300P Mid-Liner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including AC High Pressure Side Switches and AC Compressor Without Clutch. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1981 Mack MS300P Mid-Liner Air Conditioning Part at Advance Auto Parts is around $128.66, with a range that starts at $37.99 and goes up to $321.99. With 6 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Carquest A/C Compressor, New, with Clutch, with SD508 Compressor, T58551, Carquest New York-Diesel Kiki-Zexel-Seltec DKS15BH Compressor with Clutch, T58521, and Carquest HVAC Pressure Switch, ACA1319 start at just $41.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Air Conditioning Part, don’t forget to check out other key components like Blower Motor and Related Products and Engine Cooling Parts. At Advance Auto Parts, we’re here to help you keep your 1981 Mack MS300P Mid-Liner in peak condition, inside and out.

Essential 1981 Mack MS300P Mid-Liner Air Conditioning Parts

Carquest Premium – Carquest HVAC Pressure Switch, ACA1331 (Part No.ACA1331)

Carquest HVAC Pressure Switch, ACA1331

from

$39.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1465 (Part No.ACA1465)

Carquest HVAC Pressure Switch, ACA1465

from

$40.49
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest Air Conditioner Compressor Cut-Out Switch, ACA1268 (Part No.ACA1268)

Carquest Air Conditioner Compressor Cut-Out Switch, ACA1268

from

$4.29
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The HVAC Pressure Sensor/Switch monitors the refrigerant pressure within the air conditioning system, ensuring optimal performance and preventing potential system damage, which enhances climate control and passenger comfort. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1314 (Part No.ACA1314)

Carquest HVAC Pressure Switch, ACA1314

from

$39.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1319 (Part No.ACA1319)

Carquest HVAC Pressure Switch, ACA1319

from

$41.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1803 (Part No.ACA1803)

Carquest HVAC Pressure Switch, ACA1803

from

$30.49
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1306 (Part No.ACA1306)

Carquest HVAC Pressure Switch, ACA1306

from

$37.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1349 (Part No.ACA1349)

Carquest HVAC Pressure Switch, ACA1349

from

$60.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1776 (Part No.ACA1776)

Carquest HVAC Pressure Switch, ACA1776

from

$53.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest A/C Compressor, New, with Clutch, with SD508 Compressor, T58551 (Part No.T58551)

Carquest A/C Compressor, New, with Clutch, with SD508 Compressor, T58551

from

$268.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.
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Carquest Premium – Carquest New York-Diesel Kiki-Zexel-Seltec DKS15BH Compressor with Clutch, T58521 (Part No.T58521)

Carquest New York-Diesel Kiki-Zexel-Seltec DKS15BH Compressor with Clutch, T58521

from

$321.99
New Compressors are built in a ISO9001:2015 Certified facility. These facilities go through several audits to ensure quality standards in the manufacturing process.
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Most Popular AC High Pressure Side Switches for 1981 Mack MS300P Mid-Liners

Enhance your 1981 Mack MS300P Mid-Liner with one of the 4 AC High Pressure Side Switches we have in stock, starting at just $37.99.

Carquest Premium – Carquest HVAC Pressure Switch, ACA1349 (Part No.ACA1349)

Carquest HVAC Pressure Switch, ACA1349

from

$60.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1319 (Part No.ACA1319)

Carquest HVAC Pressure Switch, ACA1319

from

$41.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Carquest Premium – Carquest HVAC Pressure Switch, ACA1314 (Part No.ACA1314)

Carquest HVAC Pressure Switch, ACA1314

from

$39.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
See More

Carquest Premium – Carquest HVAC Pressure Switch, ACA1306 (Part No.ACA1306)

Carquest HVAC Pressure Switch, ACA1306

from

$37.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.
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Best-Selling 1981 Mack MS300P Mid-Liner AC Compressor Without Clutch

Upgrade your MS300P Mid-Liner with one of our 2 best-selling AC Compressor Without Clutch.

Carquest Premium – Carquest A/C Compressor, New, with Clutch, with SD508 Compressor, T58551 (Part No.T58551)

Carquest A/C Compressor, New, with Clutch, with SD508 Compressor, T58551

from

$268.99
Carquest New Compressors are designed, manufactured and tested to meet or exceed strict original equipment specifications for superior quality and performance. Each new compressor is tested to provide durable life to the vehicle’s air conditioning system. All new compressor components are assembled using state of the art equipment and techniques to ensure smooth operation. Each part is equipped with a clutch and connector that matches the original equipment part and provides an exact replacement to your vehicle’s part. All compressors are supplied with the necessary gaskets and o-rings for installation.
See More

Carquest Premium – Carquest New York-Diesel Kiki-Zexel-Seltec DKS15BH Compressor with Clutch, T58521 (Part No.T58521)

Carquest New York-Diesel Kiki-Zexel-Seltec DKS15BH Compressor with Clutch, T58521

from

$321.99
New Compressors are built in a ISO9001:2015 Certified facility. These facilities go through several audits to ensure quality standards in the manufacturing process.
See More

FAQs for 1981 Mack MS300P Mid-Liner Air Conditioning Parts

What are the best-selling Air Conditioning Parts for 1981 Mack MS300P Mid-Liners?

Out of 6 Air Conditioning Parts that fit 1981 Mack MS300P Mid-Liners, the following parts are the top sellers:

What’s the price range for 1981 Mack MS300P Mid-Liner Air Conditioning Parts?

The prices of Air Conditioning Parts for the 1981 Mack MS300P Mid-Liner range from $37.99 up to $321.99 for the most premium parts.

What is the average price of an Air Conditioning Part for a 1981 Mack MS300P Mid-Liner?

The average price for Air Conditioning Parts for the 1981 Mack MS300P Mid-Liner is $128.66. Keep in mind the variety of part types within our Air Conditioning Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Air Conditioning Parts for other Mack MS300P Mid-Liner model years?

Yes, we carry Air Conditioning Parts for 19 model years of Mack MS300P Mid-Liners between 1982 and 2001. The following model years are the most popular for Air Conditioning Part purchases: 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, and 1993.

What are the cheapest Air Conditioning Parts for my 1981 Mack MS300P Mid-Liner?

The cheapest 1981 Mack MS300P Mid-Liner Air Conditioning Parts we carry are:

Does Advance Auto Parts sell Air Conditioning Parts for any other 1981 Mack models?

What types of Air Conditioning Parts do you sell for my 1981 Mack MS300P Mid-Liner?

As of 8/2/26, these are some of the most in-demand types of Air Conditioning Parts for a 1981 Mack MS300P Mid-Liner:

Can I get help with 1981 Mack MS300P Mid-Liner Air Conditioning Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mack Air Conditioning Parts and more.

What is your return policy for Mack MS300P Mid-Liner Air Conditioning Parts?

Advance Auto Parts keeps returns simple. For new Mack MS300P Mid-Liner Air Conditioning Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.