HomeEmission Control > Hardware, Fasteners and FittingsDorman 42311 PCV Valve Grommet
Part #: 42311

Dorman 42311 PCV Valve Grommet

⚙️ 57 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$19.15Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Oldsmobile, and Pontiac, 98, Achieva, Bonneville, Century, Cutlass Calais, Cutlass Ciera, Cutlass Cruiser, Delta 88, Grand Am, LeSabre, Park Avenue, Reatta, Regal, Riviera, Skylark, and Toronado
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Dorman PCV Valve Grommet for Buick, Oldsmobile, Pontiac

The Dorman 42311 PCV valve grommet is designed to provide a secure and durable seal for the positive crankcase ventilation system in select Buick, Oldsmobile, and Pontiac vehicles. Made from quality rubber, this grommet ensures proper fit and function to maintain emission control system integrity.

  • Constructed from durable rubber material for flexibility and longevity
  • Inside diameter of 0.49 inches for precise PCV valve fitment
  • Thickness of 1.65 inches to provide a secure seal
  • Outside diameter of 0.593 inches for accurate placement
  • Push-on attachment method for straightforward installation
  • Compatible with multiple Buick, Oldsmobile, and Pontiac models

Detailed Description of Dorman 42311 PCV Valve Grommet

This PCV valve grommet by Dorman is engineered to replace worn or damaged grommets in the emission control system, specifically designed for use in various Buick, Oldsmobile, and Pontiac vehicles such as the Buick LeSabre, Oldsmobile Cutlass Ciera, and Pontiac Grand Am. The rubber construction offers resistance to heat and oil exposure, which are common in engine compartments. With an inside diameter of 0.49 inches and an outside diameter of 0.593 inches, the grommet fits snugly around the PCV valve, preventing vacuum leaks and ensuring proper ventilation of crankcase gases.

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 emissions
  • Replaces brittle or cracked original grommets
  • Helps avoid engine performance issues related to faulty PCV seals

Installation Notes and Tips

The Dorman 42311 PCV valve grommet uses a push-on attachment method, allowing for easy installation without the need for additional tools. Before installation, ensure the PCV valve and surrounding area are clean and free of debris. Carefully remove the old grommet to avoid damaging the valve or intake manifold. Press the new grommet firmly into place to create a tight seal. Verify that the PCV valve is securely seated within the grommet to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 42311 PCV valve grommet undergoes quality checks to ensure proper dimensions and material integrity. While specific warranty details are not provided, Dorman typically offers limited warranties on their emission control components to support customer confidence in product quality.

BrandDorman
Part Number42311
MaterialRubber
Inside Diameter0.49
Thickness1.65
Outside Diameter0.593
Attachment MethodPush on
Package ContentsGrommet

This part fits 57 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993BuickCentury3.3LV6N/APCV Valve; 1.657 In. O.D.
1993BuickSkylark3.3LV6N/APCV Valve; 1.657 In. O.D.
1993OldsmobileAchieva3.3LV6N/APCV Valve; 1.657 In. O.D.
1993OldsmobileCutlass Ciera3.3LV6N/APCV Valve; 1.657 In. O.D.
1993OldsmobileCutlass CruiserN/APCV Valve; 1.657 In. O.D.
1993PontiacGrand Am3.3LV6N/APCV Valve; 1.657 In. O.D.
1992BuickCentury3.3LV6N/APCV Valve; 1.657 In. O.D.
1992BuickSkylark3.3LV6N/APCV Valve; 1.657 In. O.D.
1992OldsmobileAchieva3.3LV6N/APCV Valve; 1.657 In. O.D.
1992OldsmobileCutlass Ciera3.3LV6N/APCV Valve; 1.657 In. O.D.
1992OldsmobileCutlass CruiserN/APCV Valve; 1.657 In. O.D.
1992PontiacGrand Am3.3LV6N/APCV Valve; 1.657 In. O.D.
1991BuickCentury3.3LV6N/APCV Valve; 1.657 In. O.D.
1991BuickLeSabreN/APCV Valve; 1.657 In. O.D.
1991BuickPark AvenueN/APCV Valve; 1.657 In. O.D.
1991BuickReattaN/APCV Valve; 1.657 In. O.D.
1991BuickRegal3.8LV6N/APCV Valve; 1.657 In. O.D.
1991BuickRivieraN/APCV Valve; 1.657 In. O.D.
1991BuickSkylark3.3LV6N/APCV Valve; 1.657 In. O.D.
1991Oldsmobile98N/APCV Valve; 1.657 In. O.D.
1991OldsmobileCutlass Calais3.3LV6N/APCV Valve; 1.657 In. O.D.
1991OldsmobileCutlass Ciera3.3LV6N/APCV Valve; 1.657 In. O.D.
1991OldsmobileCutlass CruiserN/APCV Valve; 1.657 In. O.D.
1991OldsmobileDelta 88N/APCV Valve; 1.657 In. O.D.
1991OldsmobileToronadoN/APCV Valve; 1.657 In. O.D.
1991PontiacBonnevilleN/APCV Valve; 1.657 In. O.D.
1990BuickCentury3.3LV6N/APCV Valve; 1.657 In. O.D.
1990BuickLeSabre3.8LV6N/APCV Valve; 1.657 In. O.D.
1990BuickReattaN/APCV Valve; 1.657 In. O.D.
1990BuickRegal3.8LV6N/APCV Valve; 1.657 In. O.D.
1990BuickRivieraN/APCV Valve; 1.657 In. O.D.
1990BuickSkylark3.3LV6N/APCV Valve; 1.657 In. O.D.
1990Oldsmobile98N/APCV Valve; 1.657 In. O.D.
1990OldsmobileCutlass Calais3.3LV6N/APCV Valve; 1.657 In. O.D.
1990OldsmobileCutlass Ciera3.3LV6N/APCV Valve; 1.657 In. O.D.
1990OldsmobileCutlass Cruiser3.3LV6N/APCV Valve; 1.657 In. O.D.
1990OldsmobileDelta 88N/APCV Valve; 1.657 In. O.D.
1990OldsmobileToronadoN/APCV Valve; 1.657 In. O.D.
1990PontiacBonnevilleN/APCV Valve; 1.657 In. O.D.
1989BuickCentury3.3LV6N/APCV Valve; 1.657 In. O.D.
1989BuickLeSabre3.8LV6N/APCV Valve; 1.657 In. O.D.
1989BuickReattaN/APCV Valve; 1.657 In. O.D.
1989BuickRivieraN/APCV Valve; 1.657 In. O.D.
1989BuickSkylark3.3LV6N/APCV Valve; 1.657 In. O.D.
1989Oldsmobile98N/APCV Valve; 1.657 In. O.D.
1989OldsmobileCutlass Calais3.3LV6N/APCV Valve; 1.657 In. O.D.
1989OldsmobileCutlass Ciera3.3LV6N/APCV Valve; 1.657 In. O.D.
1989OldsmobileCutlass Cruiser3.3LV6N/APCV Valve; 1.657 In. O.D.
1989OldsmobileDelta 88N/APCV Valve; 1.657 In. O.D.
1989OldsmobileToronadoN/APCV Valve; 1.657 In. O.D.
1989PontiacBonnevilleN/APCV Valve; 1.657 In. O.D.
1988Oldsmobile98N/APCV Valve; 1.657 In. O.D.
1988OldsmobileCutlass Ciera3.8LV6N/APCV Valve; 1.657 In. O.D.
1988OldsmobileCutlass Cruiser3.8LV6N/APCV Valve; 1.657 In. O.D.
1988OldsmobileDelta 88N/APCV Valve; 1.657 In. O.D.
1988OldsmobileToronadoN/APCV Valve; 1.657 In. O.D.
1988PontiacBonnevilleN/APCV Valve; 1.657 In. O.D.

* 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:

25536368GV11

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