1978 Mercury Zephyr Air Conditioning Parts

Name: Carquest A/C Orifice Tube - Automatic Adjusting, T38904
Brand: Carquest Premium
SKU: T38904
Price: 22.99 USD
Rating: 4.5 (97 reviews)

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1978 Mercury Zephyr 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 1978 Mercury Zephyr looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Expansion Valve and Orifice Tubes, Accumulator and Receiver Driers, and ABS Speed Sensors. 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.

Top-Rated Air Conditioning Parts from Trusted Brands

Looking for a reliable Air Conditioning Part? We’ve got you covered with options from brands you know and trust like National, Carquest, and Driveworks. For example, National Air Conditioning Parts start at just $14.49 with an average 4.3 star rating. Carquest and Driveworks offer similar pricing and quality, backed by strong customer feedback. With over 306 reviews and a solid 3.8 star average, you can shop with confidence knowing other Mercury Zephyr owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Mercury Zephyr Air Conditioning Part at Advance Auto Parts is around $78.12, with a range that starts at $0.45 and goes up to $496.99. With 29 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like National Multi-Purpose Bearing, 203-FF, Factory Air Cap & Valve A/C System Seal Kit, 26777, and National Multi-Purpose Bearing, 5106-WCC start at just $14.49 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 1978 Mercury Zephyr in peak condition, inside and out.

Looking for the perfect Air Conditioning Part for your 1978 Mercury Zephyr? You’re in the right place. Below, you’ll find links to various types of Air Conditioning Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Air Conditioning Parts, ensuring durability and a precise fit for your Mercury Zephyr. Whether you’re driving a 1978 model or another popular model year like 1979, 1980, 1981, 1982, and 1983, we’ve got you covered. Purchasing Air Conditioning Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Air Conditioning Parts that fit your vehicle.

Essential 1978 Mercury Zephyr Air Conditioning Parts

Carquest A/C Orifice Tube - Automatic Adjusting, T38904

from

$22.99

Carquest Orifice Tubes are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each orifice tube is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Omega Environmental Tech A/C Compressor Gasket Kit, MT2080

from

$28.49

Our Compressor gaskets are manufactured from the highest quality materials and designed for long life under extreme conditions.

Schaeffler Bearing - DGBB (Deep Groove Ball Bearing), 5106-WCC

from

$59.99

We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

from

$20.99

Carquest A/C Accessories provide a comprehensive offering of premium quality fittings and tools to service all aspects of an a/c service from the most simple fitting replacement to complex diagnostics required for late model applications.

Factory Air Blue Round O-Ring (Sold by each), 24520

from

$0.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Factory Air Green Round O-Ring (Sold by each), 24615

from

$2.29

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Factory Air Green Round O-Ring (Sold by each), 24650

from

$1.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Carquest Remanufactured York 209-210 Compressor with Clutch, DW57022

from

$373.99

Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process.

Carquest Reman York 209-210 Compressor w/o Clutch, DW57064

from

$216.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

from

$239.99

The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions and convert the emission into harmless water vapor via a chemical reaction. These systems were used heavily in the pre-catalytic converter emission control period but found some application in vehicles with catalytic converter systems.

Carquest Distributor Check Valve, ECA1176

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$11.99

The distributor is just one piece of this type of ignition system which is typically driven by the engine’s camshaft. The distributor is the device that delivers the ignition spark to the spark plugs at a precise time, and spark timing is critical. Any wear or component out of place in this type of system will result in failure. Within the distributor and mounted to it are many individual pieces which allow the distributor and system to be maintained and repaired to keep it in top working order.

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$22.99

Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Factory Air Green Round O-Ring (Sold by each), 24610

from

$1.29

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Factory Air Cap & Valve A/C System Seal Kit, 26777

from

$20.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.

Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1

from

$19.99

Certified A/C Pro Power Clean and Flush Aerosol Cleaner. Aerosol flush for R134a and R12 auto Refrigerant air conditioning systems. Safely removed old oil and contaminants from the air condistion systems. Includes disposable dispensing hose. Biodegradable and environmentally friendly. Fast drying Pproduct includes installation hose.

from

$7.49

This HVAC switch connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Dorman Two-Wire Ford Cycle Harness, 85154

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$16.99

Carquest A/C Clutch Cycle Switch Connector, T37234

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$15.49

Carquest Air Conditioner Compressor Cut-Out Switch, ACA1528

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$16.29

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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$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.

Factory Air Teflon Seal Rotolock Fitting O-Ring (Sold by each), 24117

from

$1.99

Temperature resistant; Compatible with R12 And R134A; High quality construction; Universal applications

from

$14.49

Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.

National Multi-Purpose Bearing, 5000-KFF

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$33.99

Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.

National Multi-Purpose Bearing, 5106-WCC

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$50.99

Designed to meet or exceed OE quality, premium-quality bearings from National® are manufactured to exacting standards to deliver lasting performance and extended bearing life.

National Multi-Purpose Bearing, 5001-KFF

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$37.99

Designed to meet or exceed OE quality, premium-quality bearings from National are manufactured to exacting standards to deliver lasting performance and extended bearing life.

Driveworks Multi-Purpose Bearing, SL-203-FF

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$13.49

Carquest Standard Bearings provide OE fit, form and function

Popular 1978 Mercury Zephyr Air Conditioning Parts Categories

AC Compressor Without Clutch

AC Flushes and Solvents

AC Line O-Rings

AC Caps and Valve Core Kits

Accumulator and Receiver Driers

AC Clutch Bearings

ABS Speed Sensors

AC O-Ring and Gasket Kits

Expansion Valve and Orifice Tubes

AC High Pressure Side Switches

AC Switch Connectors

AC Bearings

AC Compressor Gaskets

AC Compressor Seals

AC Compressor Fittings

Most Popular Expansion Valve and Orifice Tube for 1978 Mercury Zephyrs

Enhance your 1978 Mercury Zephyr with this popular Expansion Valve and Orifice Tube we have in stock, for $32.99.

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from

$32.99

Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation.

Best-Selling 1978 Mercury Zephyr Accumulator and Receiver Drier

Upgrade your Zephyr with our best-selling Accumulator and Receiver Drier with a 3.5 Starts rating across 4 reviews.

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from

$22.99

Top-Quality ABS Speed Sensors for 1978 Mercury Zephyrs

Choose a high-quality OEM or aftermarket ABS Speed Sensor for Mercury Zephyrs and enjoy top-notch performance from $11.99.

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from

$239.99

Carquest Distributor Vacuum Advance, VBC1113

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$50.99

Carquest Secondary Air Injection Pump Check Valve, CVE1036

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$30.99

The Secondary Air Injection system is an emission control device designed to pump fresh air into the engine exhaust system to reduce harmful emissions. The Air Injection Pump Check Valve will allow air flow in one direction only to prevent an engine back-fire condition.

from

$11.99

Top Picks for 1978 Mercury Zephyr AC Compressor Without Clutch

Invest in one of our 6 durable AC Compressor Without Clutch for your 1978 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

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Carquest Reman GM A6 Compressor w/ Clutch, DW57098

from

$373.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

from

$373.99

Remanufactured Compressors are built in a ISO9001:2015 Certified facility to ensure consistent quality standards in the Re-manufacturing process.

from

$216.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

Carquest New GM A6 Compressor with Clutch, T58098

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$496.99

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

Carquest New York 209-210 Compressor without Clutch, T58057

from

$362.99

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

Carquest Reman York 209-210 Compressor w/o Clutch, DW57057

from

$243.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Carquest.

Top-Rated AC Line O-Rings for 1978 Mercury Zephyrs

Make a smart move for your 1978 Mercury Zephyr with products all priced from $1.29 to $20.99.

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from

$20.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.

Factory Air Green Round O-Ring (Sold by each), 24608

from

$1.99

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

from

$1.29

Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications

Top-Rated Air Conditioning Part Brands For Your 1978 Mercury Zephyr

When it comes to finding the perfect Air Conditioning Part for your 1978 Mercury Zephyr, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 trusted brands. We carry the most popular Air Conditioning Part brands including Carquest, National, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $13.49. Purchasing a Air Conditioning Part from us here at Advance Auto Parts is a smart move for both you and your 1978 Mercury Zephyr, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest 1978 Mercury Zephyr Air Conditioning Parts

If you’re looking for a top-quality Air Conditioning Part for your 1978 Mercury Zephyr, Advance Auto Parts has exactly what you need with our selection of Carquest Air Conditioning Parts. We have 1 Carquest Air Conditioning Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $373.99, you’ll find the perfect Air Conditioning Part for your needs and budget. Carquest Air Conditioning Parts for the 1978 Mercury Zephyr come highly rated, with over 1 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Air Conditioning Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $373.99

(1)

Carquest Reman GM A6 Compressor w/ Clutch, DW57098

“A great quality remanufactured A/C compressor.”

Top-Quality National 1978 Mercury Zephyr Air Conditioning Parts

For those in search of a high-quality Air Conditioning Part for their 1978 Mercury Zephyr, Advance Auto Parts offers a great selection of National Air Conditioning Parts. With 2 National Air Conditioning Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Air Conditioning Parts start at just $14.49, with an average price of $32.74, giving you a range of options to suit your budget. Backed by over 9 customer ratings and an average rating of 4.3 stars, National Air Conditioning Parts provide both reliability and excellent performance. Choosing a National Air Conditioning Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

from $14.49

(6)

National Multi-Purpose Bearing, 203-FF

“This bearing worked for 6203. Advanced had this part in stock compared to the local competitor that had to special order it.”

from $50.99

(3)

National Multi-Purpose Bearing, 5106-WCC

“FORD ESCAPE WAS MAKE A LOUD SQUEAKING NOISE, SOUNDED LIEK A BELT OR TENSIONER , BUT WAS ACTUALLY A FAILE D BEARING ON THE A/C CLUTCH. ADVANCE HAD THE ”

FAQs for 1978 Mercury Zephyr Air Conditioning Parts

What are the best-selling Air Conditioning Parts for 1978 Mercury Zephyrs?

Out of 29 Air Conditioning Parts that fit 1978 Mercury Zephyrs, the following parts are the top sellers:

National Multi-Purpose Bearing, 203-FF (3272729) – $14.49
Factory Air Cap & Valve A/C System Seal Kit, 26777 (15890308) – $20.99
National Multi-Purpose Bearing, 5106-WCC (3274470) – $50.99

What’s the price range for 1978 Mercury Zephyr Air Conditioning Parts?

The prices of Air Conditioning Parts for the 1978 Mercury Zephyr range from $0.45 up to $496.99 for the most premium parts.

What is the average price of an Air Conditioning Part for a 1978 Mercury Zephyr?

The average price for Air Conditioning Parts for the 1978 Mercury Zephyr is $78.12. 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 Mercury Zephyr model years?

Yes, we carry Air Conditioning Parts for 4 model years of Mercury Zephyrs between 1979 and 1983. The following model years are the most popular for Air Conditioning Part purchases: 1983, 1982, 1981, 1980, and 1979.

What are the cheapest Air Conditioning Parts for my 1978 Mercury Zephyr?

The cheapest 1978 Mercury Zephyr Air Conditioning Parts we carry are:

Factory Air Blue Round O-Ring (Sold by each), 24520 (18890844) – $0.99
Factory Air Green Round O-Ring (Sold by each), 24610 (18890254) – $1.29
Factory Air Green Round O-Ring (Sold by each), 24650 (18890169) – $1.99
Factory Air Green Round O-Ring (Sold by each), 24608 (18890841) – $1.99
Factory Air Green Round O-Ring (Sold by each), 24623 (18890849) – $1.99

Does Advance Auto Parts sell Air Conditioning Parts for any other 1978 Mercury models?

Yes. We stock Air Conditioning Parts for 4 other popular 1978 Mercury models. Some of the most popular are 1978 Cougar Air Conditioning Parts, 1978 Grand Marquis Air Conditioning Parts, 1978 Marquis Air Conditioning Parts, 1978 Monarch Air Conditioning Parts, and 1978 Bobcat Air Conditioning Parts.

What are the top-rated Air Conditioning Parts that fit the 1978 Mercury Zephyr?

The one 1978 Mercury Zephyr Air Conditioning Part we have in stock is the Factory Air Blue Round O-Ring (Sold by each), 24520. It costs $0.99.

What types of Air Conditioning Parts do you sell for my 1978 Mercury Zephyr?

As of 8/2/26, these are some of the most in-demand types of Air Conditioning Parts for a 1978 Mercury Zephyr:

Can I get help with 1978 Mercury Zephyr 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 Mercury Air Conditioning Parts and more.

What is your return policy for Mercury Zephyr Air Conditioning Parts?

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

1978 Mercury Zephyr Air Conditioning Parts

Carquest Premium – Carquest A/C Orifice Tube – Automatic Adjusting, T38904 (Part No.T38904)

Omega Environmental Tech – Omega Environmental Tech A/C Compressor Gasket Kit, MT2080 (Part No.MT2080)

Schaeffler – Schaeffler Bearing – DGBB (Deep Groove Ball Bearing), 5106-WCC (Part No.5106-WCC)

Carquest Premium – Carquest A/C Valve Core/Cap, T26777 (Part No.T26777)

Factory Air – Factory Air Blue Round O-Ring (Sold by each), 24520 (Part No.24520)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24615 (Part No.24615)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24650 (Part No.24650)

Carquest Standard – Carquest Remanufactured York 209-210 Compressor with Clutch, DW57022 (Part No.DW57022)

Carquest Standard – Carquest Reman York 209-210 Compressor w/o Clutch, DW57064 (Part No.DW57064)

Carquest Premium – Carquest Diverter Valve, ECC2322 (Part No.ECC2322)

Carquest Premium – Carquest Distributor Check Valve, ECA1176 (Part No.ECA1176)

Carquest Premium – Carquest A/C Receiver Drier, T33280 (Part No.T33280)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24610 (Part No.24610)

Factory Air – Factory Air Cap & Valve A/C System Seal Kit, 26777 (Part No.26777)

Certified A/C Pro – Certified A/C PRO Power Clean & Flush (1.06 lbs.) (CA Compliant), CA-1 (Part No.CA-1)

Dorman – Dorman Blower Switch, 5-Wire, 85150 (Part No.85150)

Dorman – Dorman Two-Wire Ford Cycle Harness, 85154 (Part No.85154)

Carquest Premium – Carquest A/C Clutch Cycle Switch Connector, T37234 (Part No.T37234)

Carquest Premium – Carquest Air Conditioner Compressor Cut-Out Switch, ACA1528 (Part No.ACA1528)

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

Factory Air – Factory Air Teflon Seal Rotolock Fitting O-Ring (Sold by each), 24117 (Part No.24117)

National – National Multi-Purpose Bearing, 203-FF (Part No.203-FF)

National – National Multi-Purpose Bearing, 5000-KFF (Part No.5000-KFF)

National – National Multi-Purpose Bearing, 5106-WCC (Part No.5106-WCC)

National – National Multi-Purpose Bearing, 5001-KFF (Part No.5001-KFF)

Driveworks – Driveworks Multi-Purpose Bearing, SL-203-FF (Part No.SL-203-FF)

Carquest Premium – Carquest A/C Expansion Valve, T38608 (Part No.T38608)

Carquest Premium – Carquest A/C Receiver Drier, T33280 (Part No.T33280)

Carquest Premium – Carquest Diverter Valve, ECC2322 (Part No.ECC2322)

Carquest Premium – Carquest Distributor Vacuum Advance, VBC1113 (Part No.VBC1113)

Carquest Premium – Carquest Secondary Air Injection Pump Check Valve, CVE1036 (Part No.CVE1036)

Carquest Premium – Carquest Distributor Check Valve, ECA1176 (Part No.ECA1176)

Carquest Standard – Carquest Reman GM A6 Compressor w/ Clutch, DW57098 (Part No.DW57098)

Carquest Standard – Carquest Remanufactured York 209-210 Compressor with Clutch, DW57022 (Part No.DW57022)

Carquest Standard – Carquest Reman York 209-210 Compressor w/o Clutch, DW57064 (Part No.DW57064)

Carquest Premium – Carquest New GM A6 Compressor with Clutch, T58098 (Part No.T58098)

Carquest Premium – Carquest New York 209-210 Compressor without Clutch, T58057 (Part No.T58057)

Carquest Standard – Carquest Reman York 209-210 Compressor w/o Clutch, DW57057 (Part No.DW57057)

Factory Air – Factory Air Cap & Valve A/C System Seal Kit, 26777 (Part No.26777)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24608 (Part No.24608)

Factory Air – Factory Air Green Round O-Ring (Sold by each), 24610 (Part No.24610)