1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts
Keep Your 1978 Mercury Zephyr in Top Shape with Quality Positive Crankcase Ventilation (PCV) Parts
Whether you’re repairing or upgrading your Positive Crankcase Ventilation (PCV) 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 PCV Valve Grommets, PCV Elbows, and Oil Breather Caps. 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 Positive Crankcase Ventilation (PCV) Parts from Trusted Brands
Looking for a reliable Positive Crankcase Ventilation (PCV) Part? We’ve got you covered with options from brands you know and trust like Carquest Premium and Dorman. For example, Carquest Premium Positive Crankcase Ventilation (PCV) Parts start at just $14.99 with an average 4.4 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 28 reviews and a solid 5 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 Positive Crankcase Ventilation (PCV) Part at Advance Auto Parts is around $11.00, with a range that starts at $3.99 and goes up to $22.99. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like PCV Valve, PCV Elbow, and PCV Valve Grommet – 0.566 In. ID – 1.390 In. OD – 0.404 In. Thickness start at just $5.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Positive Crankcase Ventilation (PCV) Part, don’t forget to check out other key components like Oil Filters and Transmission Filters. At Advance Auto Parts, we’re here to help you keep your 1978 Mercury Zephyr in peak condition, inside and out.
Find Your Specific 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts
Looking for the perfect Positive Crankcase Ventilation (PCV) Part for your 1978 Mercury Zephyr? You’re in the right place. Below, you’ll find links to various types of Positive Crankcase Ventilation (PCV) Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Positive Crankcase Ventilation (PCV) 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 Positive Crankcase Ventilation (PCV) 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 Positive Crankcase Ventilation (PCV) Parts that fit your vehicle.
Essential 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts
Dorman – Help – PCV Valve Grommet – 0.566 In. ID – 1.390 In. OD – 0.404 In. Thickness (Part No.42065)
from
$6.79
This PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles
- Restores functionality – this grommet is made to fit and fully restore part functionality after the original grommet fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Carquest Premium – PCV Valve Grommet (Part No.PCA1286)
from
$1.99
The positive crankcase ventilation (PCV) system is an emission control device designed to allow naturally occurring crankcase vapors to effectively enter the engine intake air system. Crankcase vapors will combine with the engine incoming air to enter the combustion chamber and safely burn during the combustion process.
Product Features:
See More
Product Features:
- Application matched component to ensure the system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Dorman – Help – PCV Valve Grommet – 0.684 In. ID – 1.395 In. OD – 0.389 In. Thickness (Part No.42066)
from
$3.99
This PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles
- Restores functionality – this grommet is made to fit and fully restore part functionality after the original grommet fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Carquest Premium – PCV Valve Grommet (Part No.PCA1179)
from
$7.99
The positive crankcase ventilation (PCV) system is an emission control device designed to allow naturally occurring crankcase vapors to effectively enter the engine intake air system. Crankcase vapors will combine with the engine incoming air to enter the combustion chamber and safely burn during the combustion process.
Product Features:
See More
Product Features:
- Application matched component to ensure the system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Carquest Premium – Crankcase Breather Cap (Part No.10071)
from
$14.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
Product Features:
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Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Carquest Premium – PCV Valve Grommet (Part No.PCA1118)
from
$22.99
The positive crankcase ventilation (PCV) system is an emission control device designed to allow naturally occurring crankcase vapors to effectively enter the engine intake air system. Crankcase vapors will combine with the engine incoming air to enter the combustion chamber and safely burn during the combustion process.
Product Features:
See More
Product Features:
- Application matched component to ensure the system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Dorman – Help – PCV Elbow (Part No.47032)
from
$5.49
This PCV valve elbow is designed to match the fit and function of the original elbow on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this PCV valve elbow is designed to match the fit and function of the original elbow on specified vehicles
- Restores functionality – reliable replacement for an original elbow that is leaking or has failed due to heat and fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Carquest Premium – PCV Valve (Part No.PCA1027)
from
$5.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – PCV Valve (Part No.PCA1109)
from
$14.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – PCV Valve (Part No.PCA1231)
from
$4.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – PCV Valve (Part No.PCA1264)
from
$3.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – PCV Valve (Part No.PCA1046)
from
$5.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – PCV Valve (Part No.PCA1142)
from
$12.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Popular 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts Categories
Most Popular PCV Valve Grommets for 1978 Mercury Zephyrs
Enhance your 1978 Mercury Zephyr with one of the 2 PCV Valve Grommets we have in stock, starting at just $3.99.
Dorman – Help – PCV Valve Grommet – 0.684 In. ID – 1.395 In. OD – 0.389 In. Thickness (Part No.42066)
from
$3.99
This PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles
- Restores functionality – this grommet is made to fit and fully restore part functionality after the original grommet fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – PCV Valve Grommet – 0.566 In. ID – 1.390 In. OD – 0.404 In. Thickness (Part No.42065)
from
$6.79
This PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles
- Restores functionality – this grommet is made to fit and fully restore part functionality after the original grommet fails
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Best-Selling 1978 Mercury Zephyr PCV Elbows
Upgrade your Zephyr with one of our 2 best-selling PCV Elbows.
Dorman – Help – PCV Elbow (Part No.47032)
from
$5.49
This PCV valve elbow is designed to match the fit and function of the original elbow on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this PCV valve elbow is designed to match the fit and function of the original elbow on specified vehicles
- Restores functionality – reliable replacement for an original elbow that is leaking or has failed due to heat and fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Carquest Premium – PCV Valve Grommet (Part No.PCA1118)
from
$22.99
The positive crankcase ventilation (PCV) system is an emission control device designed to allow naturally occurring crankcase vapors to effectively enter the engine intake air system. Crankcase vapors will combine with the engine incoming air to enter the combustion chamber and safely burn during the combustion process.
Product Features:
See More
Product Features:
- Application matched component to ensure the system can be returned to like new condition.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
Top-Quality Oil Breather Caps for 1978 Mercury Zephyrs
Choose a high-quality OEM or aftermarket Oil Breather Cap for Mercury Zephyrs and enjoy top-notch performance from $14.99.
Carquest Premium – Crankcase Breather Cap (Part No.10071)
from
$14.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
Product Features:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Top Picks for 1978 Mercury Zephyr PCV Valves
Invest in one of our 3 durable PCV Valves for your 1978 Mercury, knowing you’re getting trusted brands and expert craftsmanship.
Carquest Premium – PCV Valve (Part No.PCA1046)
from
$5.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – PCV Valve (Part No.PCA1142)
from
$12.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – PCV Valve (Part No.PCA1231)
from
$4.99
Positive crankcase ventilation (PCV) valves are designed to recirculate combustion fumes from the crankcase into the intake so they can be burned again, resulting in lower emissions. Carquest Premium PCV valves are built to meet or exceed original equipment (O.E.) specifications and undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium PCV valves are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- O-rings or seals are included if required for installation
- Extensive design validation testing and 100% end-of-line tested
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Top-Rated Positive Crankcase Ventilation (PCV) Part Brands For Your 1978 Mercury Zephyr
When it comes to finding the perfect Positive Crankcase Ventilation (PCV) Part for your 1978 Mercury Zephyr, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Positive Crankcase Ventilation (PCV) Part brands including Carquest Premium and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $3.99. Purchasing a Positive Crankcase Ventilation (PCV) 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 Premium 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts
If you’re looking for a top-quality Positive Crankcase Ventilation (PCV) Part for your 1978 Mercury Zephyr, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Positive Crankcase Ventilation (PCV) Parts. We have 1 Carquest Premium Positive Crankcase Ventilation (PCV) Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $14.99, you’ll find the perfect Positive Crankcase Ventilation (PCV) Part for your needs and budget. Carquest Premium Positive Crankcase Ventilation (PCV) Parts for the 1978 Mercury Zephyr come highly rated, with over 4 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Positive Crankcase Ventilation (PCV) Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Top-Quality Dorman 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts
For those in search of a high-quality Positive Crankcase Ventilation (PCV) Part for their 1978 Mercury Zephyr, Advance Auto Parts offers a great selection of Dorman Positive Crankcase Ventilation (PCV) Parts. With 1 Dorman Positive Crankcase Ventilation (PCV) Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Positive Crankcase Ventilation (PCV) Parts start at just $3.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.2 stars, Dorman Positive Crankcase Ventilation (PCV) Parts provide both reliability and excellent performance. Choosing a Dorman Positive Crankcase Ventilation (PCV) Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$3.99
(1)
PCV Valve Grommet – 0.684 In. ID – 1.395 In. OD – 0.389 In. Thickness
“Fits perfectly for my stock 1978 Ford F150 Ranger Pickup 300 Cu in straight 6 cyl and holds the new PCV valve tightly as it should.”
FAQs for 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts
What are the best-selling Positive Crankcase Ventilation (PCV) Parts for 1978 Mercury Zephyrs?
Out of 8 Positive Crankcase Ventilation (PCV) Parts that fit 1978 Mercury Zephyrs, the following parts are the top sellers:
- PCV Valve (12448658) – $5.99
- PCV Elbow (5706343) – $5.49
- PCV Valve Grommet – 0.566 In. ID – 1.390 In. OD – 0.404 In. Thickness (5014263) – $6.79
What’s the price range for 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts?
The prices of Positive Crankcase Ventilation (PCV) Parts for the 1978 Mercury Zephyr range from $3.99 up to $22.99 for the most premium parts.
What is the average price of a Positive Crankcase Ventilation (PCV) Part for a 1978 Mercury Zephyr?
The average price for Positive Crankcase Ventilation (PCV) Parts for the 1978 Mercury Zephyr is $11.00. Keep in mind the variety of part types within our Positive Crankcase Ventilation (PCV) 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 Positive Crankcase Ventilation (PCV) Parts for other Mercury Zephyr model years?
What are the cheapest Positive Crankcase Ventilation (PCV) Parts for my 1978 Mercury Zephyr?
The cheapest 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts we carry are:
- PCV Valve Grommet – 0.684 In. ID – 1.395 In. OD – 0.389 In. Thickness (5014271) – $3.99
- PCV Valve (12448516) – $4.99
- PCV Elbow (5706343) – $5.49
- PCV Valve (12448658) – $5.99
- PCV Valve Grommet – 0.566 In. ID – 1.390 In. OD – 0.404 In. Thickness (5014263) – $6.79
Does Advance Auto Parts sell Positive Crankcase Ventilation (PCV) Parts for any other 1978 Mercury models?
Yes. We stock Positive Crankcase Ventilation (PCV) Parts for 4 other popular 1978 Mercury models. Some of the most popular are 1978 Cougar Positive Crankcase Ventilation (PCV) Parts, 1978 Grand Marquis Positive Crankcase Ventilation (PCV) Parts, 1978 Marquis Positive Crankcase Ventilation (PCV) Parts, 1978 Monarch Positive Crankcase Ventilation (PCV) Parts, and 1978 Bobcat Positive Crankcase Ventilation (PCV) Parts.
What are the top-rated Positive Crankcase Ventilation (PCV) Parts that fit the 1978 Mercury Zephyr?
Based on 28 reviews by customers, our 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts have an average customer rating of 5 stars. These are the highest-rated categories of Positive Crankcase Ventilation (PCV) Parts for the 1978 Mercury Zephyr and their top-rated products:
- PCV Valve Grommets
- PCV Valve Grommet – 0.684 In. ID – 1.395 In. OD – 0.389 In. Thickness (5014271) – $3.99
- Oil Breather Caps
- Crankcase Breather Cap (18481407) – $14.99
What types of Positive Crankcase Ventilation (PCV) Parts do you sell for my 1978 Mercury Zephyr?
As of 11/2/25, these are some of the most in-demand types of Positive Crankcase Ventilation (PCV) Parts for a 1978 Mercury Zephyr:
Can I get help with 1978 Mercury Zephyr Positive Crankcase Ventilation (PCV) Part orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Positive Crankcase Ventilation (PCV) Parts and more.
What is your return policy for Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts?
Advance Auto Parts keeps returns simple. For new Mercury Zephyr Positive Crankcase Ventilation (PCV) Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.