1978 Buick Riviera Positive Crankcase Ventilation (PCV) Parts
Keep Your 1978 Buick Riviera 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 Buick Riviera looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 Buick Riviera Positive Crankcase Ventilation (PCV) Part at Advance Auto Parts is around $7.23, with a range that starts at $4.99 and goes up to $16.99. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like PCV Valve, PCV Valve Grommet – 9776721 In. ID, and PCV Valve Grommet start at just $4.99 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 Buick Riviera in peak condition, inside and out.
Find Your Specific 1978 Buick Riviera Positive Crankcase Ventilation (PCV) Parts
Looking for the perfect Positive Crankcase Ventilation (PCV) Part for your 1978 Buick Riviera? 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 Buick Riviera. Whether you’re driving a 1978 model or another popular model year like
1990,
1991,
1992,
1993,
1995,
1996,
1997,
1998, and
1999, 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 Buick Riviera Positive Crankcase Ventilation (PCV) Parts
Carquest Premium – PCV Valve Grommet (Part No.PCA1193)
from
$5.49
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 – 0.418 In. ID – 1.299 In. OD – 0.500 In. Thickness (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.
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.PCA1138)
from
$16.99
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 – 9776721 In. ID (Part No.42055)
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.
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 – 0.683 In. ID – 1.509 In. OD – 0.440 In. Thickness (Part No.42061)
from
$5.49
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.
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.PCA1276)
from
$13.49
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 – PCV Valve Grommet (Part No.B2140751902DOR)
from
$6.59
PCV Valve Grommet
Dorman – Help – PCV Grommet GM – 0.486 In. ID – 1.071 In. OD – 1.248 In. Thickness (Part No.42314)
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.
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 – 0.720 In. ID – 1.362 In. OD – 0.655 In. Thickness (Part No.42321)
from
$4.49
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.
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.PCA1218)
from
$9.99
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 – PCV Valve Grommet (Part No.PCA1184)
from
$4.99
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 – PCV Valve (Part No.PCA1149)
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.PCA1069)
from
$5.49
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
ACDelco – Push-In PCV Valve: Exact Fit, Without Cap, 1 Each (Part No.214-2296)
from
$5.99
ACDelco Professional PCV Valve is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket valve is manufactured to meet or exceed your expectations for fit, form, and function.
Product Features:
See More
Product Features:
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
Worldpac – PCV VALVE (Part No.B20402025315API)
from
$8.38
PCV VALVE
Carquest Premium – PCV Valve (Part No.PCA1187)
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.PCA1172)
from
$9.99
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
ACDelco – Professional Positive Crank Ventilation (PCV) Valve (Part No.B2040575647ACD)
from
$11.82
An ACDelco Professional, premium aftermarket Positive Crankcase Ventilation (PCV) Valve is an emission control component and is the high quality replacement ideal for many vehicles on the road today. The PCV valve controls the volume of crankcase vapors that are drawn into the intake manifold; a restricted PCV valve can cause oil leaks or increase oil consumption. This premium aftermarket replacement PCV valve is manufactured to meet your expectations for fit, form, and function.
Product Features:
See More
Product Features:
- Professional, premium aftermarket replacement
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
Carquest Premium – PCV Valve (Part No.PCA1124)
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.PCA1004)
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
Popular 1978 Buick Riviera Positive Crankcase Ventilation (PCV) Parts Categories
Most Popular PCV Valve for 1978 Buick Rivieras
Enhance your 1978 Buick Riviera with this popular PCV Valve we have in stock, for $5.49.
Carquest Premium – PCV Valve (Part No.PCA1069)
from
$5.49
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
Best-Selling 1978 Buick Riviera PCV Valve Grommets
Upgrade your Riviera with one of our 7 best-selling PCV Valve Grommets, earning an average 1.25 stars rating across 8 reviews.
Dorman – Help – PCV Valve Grommet – 0.418 In. ID – 1.299 In. OD – 0.500 In. Thickness (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.
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 – 0.683 In. ID – 1.509 In. OD – 0.440 In. Thickness (Part No.42061)
from
$5.49
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.
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 – 9776721 In. ID (Part No.42055)
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.
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.PCA1184)
from
$4.99
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 Grommet GM – 0.486 In. ID – 1.071 In. OD – 1.248 In. Thickness (Part No.42314)
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.
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.PCA1138)
from
$16.99
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 – PCV Valve Grommet (Part No.PCA1193)
from
$5.49
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.
FAQs for 1978 Buick Riviera Positive Crankcase Ventilation (PCV) Parts
What are the best-selling Positive Crankcase Ventilation (PCV) Parts for 1978 Buick Rivieras?
Out of 8 Positive Crankcase Ventilation (PCV) Parts that fit 1978 Buick Rivieras, the following parts are the top sellers:
- PCV Valve (12458886) – $5.49
- PCV Valve Grommet – 9776721 In. ID (17190283) – $5.99
- PCV Valve Grommet (12448351) – $4.99
What’s the price range for 1978 Buick Riviera Positive Crankcase Ventilation (PCV) Parts?
The prices of Positive Crankcase Ventilation (PCV) Parts for the 1978 Buick Riviera range from $4.99 up to $16.99 for the most premium parts.
What is the average price of a Positive Crankcase Ventilation (PCV) Part for a 1978 Buick Riviera?
The average price for Positive Crankcase Ventilation (PCV) Parts for the 1978 Buick Riviera is $7.23. 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 Buick Riviera model years?
What are the cheapest Positive Crankcase Ventilation (PCV) Parts for my 1978 Buick Riviera?
The cheapest 1978 Buick Riviera Positive Crankcase Ventilation (PCV) Parts we carry are:
- PCV Valve Grommet (12448351) – $4.99
- PCV Valve (12458886) – $5.49
- PCV Valve Grommet – 0.683 In. ID – 1.509 In. OD – 0.440 In. Thickness (5701473) – $5.49
- PCV Valve Grommet (12448403) – $5.49
- PCV Valve Grommet – 9776721 In. ID (17190283) – $5.99
Does Advance Auto Parts sell Positive Crankcase Ventilation (PCV) Parts for any other 1978 Buick models?
Yes. We stock Positive Crankcase Ventilation (PCV) Parts for 7 other popular 1978 Buick models. Some of the most popular are 1978 Regal Positive Crankcase Ventilation (PCV) Parts, 1978 Century Positive Crankcase Ventilation (PCV) Parts, 1978 LeSabre Positive Crankcase Ventilation (PCV) Parts, 1978 Skylark Positive Crankcase Ventilation (PCV) Parts, and 1978 Electra Positive Crankcase Ventilation (PCV) Parts.
What are the top-rated Positive Crankcase Ventilation (PCV) Parts that fit the 1978 Buick Riviera?
The one 1978 Buick Riviera Positive Crankcase Ventilation (PCV) Part we have in stock is the PCV Valve Grommet. It costs $4.99.
What types of Positive Crankcase Ventilation (PCV) Parts do you sell for my 1978 Buick Riviera?
As of 9/1/25, these are some of the most in-demand types of Positive Crankcase Ventilation (PCV) Parts for a 1978 Buick Riviera:
Can I get help with 1978 Buick Riviera 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 Buick Positive Crankcase Ventilation (PCV) Parts and more.
What is your return policy for Buick Riviera Positive Crankcase Ventilation (PCV) Parts?
Advance Auto Parts keeps returns simple. For new Buick Riviera 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.