Mahle MS14638 Fuel Injection Plenum Gasket

Brand Mahle MS14638
Item Grade OEM Standard
Plenum Gasket Material Molded Rubber
Fits Buick, Chevrolet, Oldsmobile, and Pontiac · 28 vehicles

OEM standard. Trusted sealing performance for dependable fuel injection service.

Molded rubber. Conforms for a secure seal and consistent fit.

Plenum gasket. Built for sealing the fuel injection plenum.

Cross-references FEL-PRO MS 95830, General Motors 17113265 and Rol MS4593 for the same application. See all 3.

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Fuel Injection Plenum Gasket for GM V6 Applications

The MAHLE MS14638 fuel injection plenum gasket is an OEM Standard sealing solution built with molded rubber for dependable intake sealing. It is made for select Buick, Chevrolet, Oldsmobile, and Pontiac applications from 1992-1995, including Buick LeSabre, Buick Regal, and Pontiac Bonneville.

MAHLE gaskets are used by OEMs and technicians worldwide for sealing performance that meets original-equipment expectations. If you are servicing a Buick Park Avenue, Oldsmobile 88, or Chevrolet Lumina APV, this plenum gasket supports a precise seal at the intake plenum interface.

Key Features

  • Part number: MS14638
  • Fuel injection plenum gasket for air and fuel delivery sealing service
  • OEM Standard item grade
  • Molded rubber plenum gasket material for consistent sealing contact
  • Brand: MAHLE
  • Cross-reference: FEL-PRO MS 95830

Detailed Description

The MAHLE MS14638 is a molded rubber fuel injection plenum gasket engineered for select GM vehicles that require a reliable seal between intake components. It is listed for 1992-1995 Buick LeSabre, 1992-1995 Buick Regal, 1993-1995 Chevrolet Lumina APV, 1993-1995 Oldsmobile Silhouette, 1992-1995 Pontiac Trans Sport, 1993-1994 Buick Park Avenue, 1993-1994 Oldsmobile 88, 1993-1994 Oldsmobile 98, 1992-1994 Pontiac Bonneville, and 1993 Buick Riviera. This part cross-references FEL-PRO MS 95830 for the same application.

What It Helps Address

  • Intake plenum vacuum leaks
  • Rough idle caused by sealing loss at the plenum
  • Air leakage that can affect drivability and fuel control
  • Seepage at the intake sealing surface
  • Service replacement for worn or compressed plenum gasket material

Installation Notes and Tips

Clean the mating surfaces thoroughly before installation and inspect the intake components for warpage, damage, or contamination. Follow the vehicle service procedure and torque sequence specified for the engine. For 1992-1995 Buick LeSabre, 1992-1995 Buick Regal, and other listed GM applications, verify engine configuration before ordering to confirm MS14638 is the correct seal.

Quality Assurance

MAHLE gaskets are trusted by OEMs and technicians around the globe for sealing applications that require consistent fit and material quality. The MS14638 is an OEM Standard replacement part built to support dependable service on the listed Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1995BuickLeSabre3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995BuickRegal3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995ChevroletLumina APV3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995OldsmobileSilhouette3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1995PontiacTrans Sport3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994BuickLeSabre3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994BuickPark Avenue3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994BuickRegal3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994ChevroletLumina APV3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994Oldsmobile883.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994Oldsmobile983.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994OldsmobileSilhouette3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994PontiacBonneville3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1994PontiacTrans Sport3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993BuickLeSabre3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993BuickPark Avenue3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993BuickRegal3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993BuickRiviera3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993ChevroletLumina APV3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993Oldsmobile883.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993Oldsmobile983.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993OldsmobileSilhouette3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993PontiacBonneville3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1993PontiacTrans Sport3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1992BuickLeSabre3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1992BuickRegal3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1992PontiacBonneville3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
1992PontiacTrans Sport3.8LV6N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — MS 95830General Motors — 17113265Rol — MS4593