1978 Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts
Keep Your 1978 Cadillac DeVille 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 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including PCV Elbows, PCV Valves, and PCV Valve Grommets. 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 1978 Cadillac DeVille Positive Crankcase Ventilation (PCV) Part at Advance Auto Parts is around $9.11, with a range that starts at $5.29 and goes up to $17.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Carquest PCV Valve, PCA1069, Carquest PCV Valve Grommet, PCA1184, and Carquest PCV Valve Grommet, PCA1138 start at just $5.29 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 Cadillac DeVille in peak condition, inside and out.
Find Your Specific 1978 Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts
Looking for the perfect Positive Crankcase Ventilation (PCV) Part for your 1978 Cadillac DeVille? 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 Cadillac DeVille. Whether you’re driving a 1978 model or another popular model year like
1997,
1998,
1999,
2000,
2001,
2002,
2003,
2004, and
2005, 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 Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts
Dorman – Help – Dorman – Help Positive Crankcase Ventilation Elbow, 47043 (Part No.47043)
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.
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Dorman – Help – Dorman – Help Positive Crankcase Ventilation System Elbow, 47034 (Part No.47034)
from
$7.79
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.
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Dorman – Help – Dorman – Help Positive Crankcase Ventilation Elbow, 47035 (Part No.47035)
from
$6.29
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.
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Dorman – Help – Dorman – Help Positive Crankcase Ventilation Valve Grommet, 42061 (Part No.42061)
from
$6.29
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.
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Dorman – Help – Dorman – Help Positive Crankcase Ventilation Grommet, 42314 (Part No.42314)
from
$6.29
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.
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Carquest Premium – Carquest PCV Valve Grommet, PCA1193 (Part No.PCA1193)
from
$8.99
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.
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Carquest Premium – Carquest PCV Valve Grommet, PCA1184 (Part No.PCA1184)
from
$5.29
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.
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Carquest Premium – Carquest PCV Valve Grommet, PCA1138 (Part No.PCA1138)
from
$17.99
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.
See More
Dorman – Help – Dorman – Help Positive Crankcase Ventilation Valve Grommet, 42067 (Part No.42067)
from
$4.79
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.
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Dorman – Help – Dorman – Help Positive Crankcase Ventilation Valve Grommet, 42052 (Part No.42052)
from
$5.99
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.
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Dorman – Help – Dorman – Help Positive Crankcase Ventilation Valve Grommet, 42055 (Part No.42055)
from
$6.49
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.
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Dorman – Help – Dorman – Help Positive Crankcase Ventilation Valve Grommet, 42056 (Part No.42056)
from
$6.99
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.
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GM Genuine Parts – GM Genuine Parts PCV Valve, 12567915 (Part No.12567915)
from
$16.99
GM Genuine Parts PCV Valve Hose Adapters are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
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Carquest Premium – Carquest PCV Valve, PCA1001 (Part No.PCA1001)
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.
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Carquest Premium – Carquest PCV Valve, PCA1154 (Part No.PCA1154)
from
$24.99
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.
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Carquest Premium – Carquest PCV Valve, PCA1187 (Part No.PCA1187)
from
$6.99
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.
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Carquest Premium – Carquest PCV Valve, PCA1003 (Part No.PCA1003)
from
$8.99
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.
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Carquest Premium – Carquest PCV Valve, PCA1069 (Part No.PCA1069)
from
$6.99
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.
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Carquest Premium – Carquest PCV Valve, PCA1386 (Part No.PCA1386)
from
$8.99
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.
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Popular 1978 Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts Categories
Most Popular PCV Elbow for 1978 Cadillac DeVilles
Enhance your 1978 Cadillac DeVille with this popular PCV Elbow we have in stock, for $6.29.
Dorman – Help – Dorman – Help Positive Crankcase Ventilation Elbow, 47035 (Part No.47035)
from
$6.29
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.
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Best-Selling 1978 Cadillac DeVille PCV Valve
Upgrade your DeVille with our best-selling PCV Valve.
Carquest Premium – Carquest PCV Valve, PCA1069 (Part No.PCA1069)
from
$6.99
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.
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Top-Quality PCV Valve Grommets for 1978 Cadillac DeVilles
Choose a high-quality OEM or aftermarket PCV Valve Grommet for Cadillac DeVilles and enjoy top-notch performance from $5.29.
Carquest Premium – Carquest PCV Valve Grommet, PCA1184 (Part No.PCA1184)
from
$5.29
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.
See More
Carquest Premium – Carquest PCV Valve Grommet, PCA1138 (Part No.PCA1138)
from
$17.99
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.
See More
Carquest Premium – Carquest PCV Valve Grommet, PCA1193 (Part No.PCA1193)
from
$8.99
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.
See More
FAQs for 1978 Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts
What are the best-selling Positive Crankcase Ventilation (PCV) Parts for 1978 Cadillac DeVilles?
Out of 5 Positive Crankcase Ventilation (PCV) Parts that fit 1978 Cadillac DeVilles, the following parts are the top sellers:
- Carquest PCV Valve, PCA1069 (12458886) – $6.99
- Carquest PCV Valve Grommet, PCA1184 (12448351) – $5.29
- Carquest PCV Valve Grommet, PCA1138 (12448946) – $17.99
What’s the price range for 1978 Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts?
The prices of Positive Crankcase Ventilation (PCV) Parts for the 1978 Cadillac DeVille range from $5.29 up to $17.99 for the most premium parts.
What is the average price of a Positive Crankcase Ventilation (PCV) Part for a 1978 Cadillac DeVille?
The average price for Positive Crankcase Ventilation (PCV) Parts for the 1978 Cadillac DeVille is $9.11. 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 Cadillac DeVille model years?
What are the cheapest Positive Crankcase Ventilation (PCV) Parts for my 1978 Cadillac DeVille?
The cheapest 1978 Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts we carry are:
- Carquest PCV Valve Grommet, PCA1184 (12448351) – $5.29
- Dorman – Help Positive Crankcase Ventilation Elbow, 47035 (17190310) – $6.29
- Carquest PCV Valve, PCA1069 (12458886) – $6.99
- Carquest PCV Valve Grommet, PCA1193 (12448403) – $8.99
- Carquest PCV Valve Grommet, PCA1138 (12448946) – $17.99
Does Advance Auto Parts sell Positive Crankcase Ventilation (PCV) Parts for any other 1978 Cadillac models?
Yes. We stock Positive Crankcase Ventilation (PCV) Parts for 3 other popular 1978 Cadillac models. Some of the most popular are 1978 Eldorado Positive Crankcase Ventilation (PCV) Parts, 1978 Seville Positive Crankcase Ventilation (PCV) Parts, 1978 Fleetwood Positive Crankcase Ventilation (PCV) Parts, and 1978 Commercial Chassis Positive Crankcase Ventilation (PCV) Parts.
What types of Positive Crankcase Ventilation (PCV) Parts do you sell for my 1978 Cadillac DeVille?
As of 8/2/26, these are some of the most in-demand types of Positive Crankcase Ventilation (PCV) Parts for a 1978 Cadillac DeVille:
Can I get help with 1978 Cadillac DeVille 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 Cadillac Positive Crankcase Ventilation (PCV) Parts and more.
What is your return policy for Cadillac DeVille Positive Crankcase Ventilation (PCV) Parts?
Advance Auto Parts keeps returns simple. For new Cadillac DeVille 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.