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Dorman 42317 PCV Valve Grommet
Reliable Dorman PCV Valve Grommet for Select GM Vehicles
The Dorman 42317 PCV valve grommet is designed to provide a secure and durable seal for the positive crankcase ventilation system in various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Made from quality rubber, this grommet ensures proper fit and function to maintain emission control system integrity.
- Constructed from durable rubber material for long-lasting performance
- Inside diameter of 0.98 inches and outside diameter of 1.86 inches for precise fit
- Thickness of 0.35 inches to provide a secure seal
- Push-on attachment method for easy installation
- Compatible with multiple GM models including Buick Century, Cadillac DeVille, Chevrolet Firebird, and Pontiac Grand Am
Detailed Product Description
The Dorman 42317 PCV valve grommet is engineered to fit a range of GM vehicles such as the Buick Century, Cadillac Eldorado, Chevrolet Fiero, and Pontiac Skylark. Its rubber construction offers flexibility and resistance to heat and oil exposure, which are common in engine compartments. The grommet’s dimensions—0.98 inches inside diameter, 1.86 inches outside diameter, and 0.35 inches thickness—ensure a tight seal around the PCV valve, preventing vacuum leaks and maintaining proper crankcase ventilation. The push-on attachment method simplifies installation, reducing the need for additional tools or fasteners.
Common Applications and Issues Addressed
- Prevents vacuum leaks in the PCV system
- Maintains proper crankcase pressure and ventilation
- Reduces engine oil leaks around the PCV valve
- Helps control harmful emissions by ensuring system integrity
- Replaces worn or cracked grommets that cause engine performance issues
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 42317 grommet firmly onto the PCV valve until fully seated
- Verify the grommet is properly aligned and sealed to prevent leaks
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 42317 PCV valve grommet undergoes rigorous quality control to provide consistent fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 42317 |
| Attachment Method | Push On |
| Inside Diameter | 0.98 |
| Material | Rubber |
| Outside Diameter | 1.86 |
| Package Contents | Grommet |
| Thickness | 0.35 |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Cadillac | Allante | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1987 | Cadillac | Commercial Chassis | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1987 | Cadillac | DeVille | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1987 | Cadillac | Eldorado | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1987 | Cadillac | Fleetwood | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1987 | Cadillac | Seville | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Buick | Century | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Buick | Skylark | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Cadillac | Commercial Chassis | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Cadillac | DeVille | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Cadillac | Eldorado | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Cadillac | Fleetwood | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Cadillac | Seville | 4.1L | V8 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Oldsmobile | Calais | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Pontiac | 6000 | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Pontiac | Fiero | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Pontiac | Firebird | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1986 | Pontiac | Grand Am | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Buick | Century | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Buick | Skylark | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Chevrolet | Celebrity | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Chevrolet | Citation II | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Oldsmobile | Calais | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Pontiac | 6000 | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Pontiac | Fiero | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Pontiac | Firebird | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1985 | Pontiac | Grand Am | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Buick | Century | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Buick | Skylark | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Chevrolet | Celebrity | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Chevrolet | Citation II | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Oldsmobile | Omega | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Pontiac | 6000 | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Pontiac | Fiero | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Pontiac | Firebird | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1984 | Pontiac | Phoenix | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Buick | Century | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Buick | Skylark | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Chevrolet | Celebrity | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Chevrolet | Citation | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Oldsmobile | Omega | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Pontiac | 6000 | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Pontiac | Firebird | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
| 1983 | Pontiac | Phoenix | 2.5L | L4 | N/A | PCV Valve Grommet fits oil separator to air cleaner |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.