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DormanPart #: 42054

Dorman 42054 PCV Valve Grommet

Name: Dorman 42054 PCV Valve Grommet
Brand: Dorman
SKU: BCZF-42054
Price: 20.60 USD
Availability: InStock

N/A

122 vehicles fit this part

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

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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? See all PCV Valve Grommet options

PCV Valve Grommet for OE-Style Fit

This Dorman PCV valve grommet is built to match the original fit and function on specified vehicles. Made from rubber with a push-on attachment, it provides a direct replacement for worn or cracked grommets in the crankcase ventilation system.

Compatible With Pontiac GTO, Pontiac Firebird, Pontiac Grand Prix, and other classic Pontiac and Oldsmobile applications, Dorman 42054 is sized for a secure seal and reliable retention at the valve cover or hose connection.

Key Features

Rubber construction for flexible sealing performance
Push-on attachment method for straightforward installation
Inside diameter: 0.423 in.
Outside diameter: 1.51 in.
Thickness: 0.772 in.
Designed to match the fit and function of the original grommet
Part number 42054 for easy identification

Detailed Description

Dorman 42054 is a PCV valve grommet engineered as an OE-style replacement for specified vehicles. Its rubber construction helps maintain a tight interface between the PCV valve and the mounting opening, supporting proper crankcase ventilation sealing and stable valve retention. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle coverage includes Fits 1975 Oldsmobile 98, Hose; Fits 1975 Oldsmobile Custom Cruiser, Hose; Fits 1975 Oldsmobile Delta 88, Hose; Fits 1968-1975 Pontiac Bonneville; Fits 1968-1975 Pontiac Catalina; Fits 1968-1975 Pontiac Firebird; Fits 1973-1975 Pontiac Grand Am; Fits 1975 Pontiac Grand LeMans; Fits 1968-1975 Pontiac Grand Prix; Fits 1968-1975 Pontiac LeMans; Fits 1968-1973 Pontiac GTO; Fits 1970 Pontiac GTO, PCV Valve; V8 350CID 5.7L; and Fits 1968-1970 Pontiac Tempest.

Common Issues It Can Help Solve

Cracked or hardened PCV valve grommet
Loose PCV valve fit at the valve cover
Vacuum leaks at the grommet connection
Oil vapor seepage around the PCV opening
Rattling or unstable PCV valve seating

Installation Notes and Tips

Inspect the valve cover opening and PCV valve before installation. Clean the mounting surface, confirm the grommet dimensions match the application, and press the grommet into place until fully seated. Verify vehicle fitment before purchasing, especially on classic Pontiac and Oldsmobile models with application-specific hose or PCV valve notes.

Quality Assurance

Dorman designs this replacement grommet to match original fit and function and to deliver durable, dependable service in the specified applications. Part number 42054 is a direct-reference replacement for selected OE-style uses.

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.