Dorman 42054 PCV Valve Grommet

Name: Dorman 42054 PCV Valve Grommet
Brand: Dorman
SKU: BCZF-42054
Price: 18.21 USD
Availability: InStock

N/A

⚙️ 122 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Oldsmobile and Pontiac, 98, Custom Cruiser, Delta 88, Bonneville, Catalina, Firebird, Grand Am, Grand LeMans, Grand Prix, Grand Safari, Grandville, LeMans, Ventura, GTO, Executive, and Tempest

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Not what you need? Click here for all PCV Valve Grommet options

Reliable PCV Valve Grommet for Oldsmobile and Pontiac Vehicles

The Dorman 42054 PCV valve grommet is designed to provide a secure and durable seal for the positive crankcase ventilation system in select Oldsmobile and Pontiac models. Made from quality rubber, this grommet ensures proper fit and function to maintain emission control system integrity.

Key Features of the Dorman 42054 PCV Valve Grommet

Constructed from durable rubber material for flexibility and longevity
Inside diameter measures 0.423 inches for precise fitment
Thickness of 0.772 inches ensures a tight seal
Outside diameter of 1.51 inches for compatibility with OEM specifications
Push-on attachment method allows for straightforward installation
Compatible with various Oldsmobile and Pontiac models including Bonneville, Firebird, and Grand Prix

Detailed Product Description

The Dorman 42054 PCV valve grommet is engineered to replace worn or damaged grommets in the emission control system of specific Oldsmobile and Pontiac vehicles. Its rubber construction provides the necessary flexibility to create an airtight seal around the PCV valve, preventing vacuum leaks and ensuring proper ventilation of crankcase gases. The precise dimensions—0.423 inch inside diameter, 0.772 inch thickness, and 1.51 inch outside diameter—match OEM standards, making it a reliable replacement part. The push-on attachment method simplifies installation, reducing the time and effort required for maintenance.

Common Applications and Issues Addressed

Prevents vacuum leaks in the PCV system
Eliminates oil leaks around the PCV valve
Maintains proper crankcase ventilation to reduce engine emissions
Replaces brittle or cracked grommets that compromise system integrity
Helps restore engine performance affected by faulty PCV seals

Installation Notes and Tips

Ensure the engine is cool before beginning installation
Remove the old grommet carefully to avoid damaging the PCV valve or surrounding components
Clean the mounting area to remove oil and debris for a secure fit
Push the Dorman 42054 grommet firmly onto the PCV valve stem until fully seated
Verify the grommet is snug and properly aligned to prevent leaks

Quality Assurance and Warranty Information

Dorman manufactures the 42054 PCV valve grommet to meet or exceed OEM specifications for fit and function. The rubber material is selected for durability and resistance to heat and oil exposure common in engine compartments. While specific warranty details may vary, Dorman typically offers limited warranties on their emission control hardware to ensure customer confidence in product reliability.

Brand	Dorman
Part Number	42054
Attachment Method	Push On
Inside Diameter	0.423
Material	Rubber
Outside Diameter	1.51
Package Contents	Grommet
Thickness	0.772

This part fits 122 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
1975	Oldsmobile	98	6.6L	V8	N/A	Hose
1975	Oldsmobile	Custom Cruiser	6.6L	V8	N/A	Hose
1975	Oldsmobile	Delta 88	6.6L	V8	N/A	Hose
1975	Pontiac	Bonneville	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Catalina	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Firebird	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand Am	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand Am	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand Am	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand LeMans	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand Prix	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1975	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Bonneville	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Bonneville	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Catalina	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Firebird	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Grand Am	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Grand Am	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Grand Am	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	Grand Prix	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1974	Pontiac	LeMans	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Bonneville	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Catalina	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Catalina	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Firebird	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Grand Am	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Grand Am	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Grand Am	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	Grand Prix	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	GTO	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	GTO	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	LeMans	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1973	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Bonneville	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Catalina	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Catalina	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Firebird	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	Grand Prix	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	GTO	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	GTO	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	LeMans	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1972	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Bonneville	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Bonneville	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Catalina	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Catalina	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Firebird	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	Grand Prix	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	GTO	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	GTO	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	LeMans	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1971	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Bonneville	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Catalina	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Catalina	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Grand Prix	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	GTO			N/A	PCV Valve; V8 350CID 5.7L
1970	Pontiac	GTO	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	GTO	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	LeMans	7.5L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Tempest	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1970	Pontiac	Tempest	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	GTO	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	Tempest	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1969	Pontiac	Tempest	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	Bonneville	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	Catalina	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	Firebird	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	Firebird	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	Grand Prix	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	GTO	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	LeMans	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	LeMans	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	Tempest	5.7L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.
1968	Pontiac	Tempest	6.6L	V8	N/A	Ensure proper vehicle fitment prior to purchasing.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4205435646418CV295

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.