Mahle MS38103 Fuel Injection Plenum Gasket
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Mahle

Mahle MS38103 Fuel Injection Plenum Gasket

Brand Mahle MS38103
Item Grade OEM Standard
Plenum Gasket Material Composite
Fits GMC

OEM standard. Composite plenum gasket delivers dependable sealing performance.

Fuel injection plenum gasket for sealing the intake plenum.

Trusted by OEMs. MAHLE sealing products are used by technicians worldwide.

Cross-references General Motors 15637689 for the same application. See all 1.

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Mahle MS38103 Fuel Injection Plenum Gasket

Mahle MS38103 is an OEM Standard fuel injection plenum gasket built with composite material for dependable sealing at the intake plenum. It is made for technicians and DIY repairs that need a precise replacement for GM intake sealing service, including applications such as Chevrolet Silverado and GMC Sierra where plenum sealing is critical.

Key Features

  • OEM Standard item grade for OE-style fit and sealing performance
  • Composite plenum gasket material for stable sealing at the intake interface
  • Designed for fuel injection plenum service on GM applications
  • Mahle sealing technology trusted by OEMs and professional technicians
  • Cross-references General Motors 15637689 for the same application

Detailed Description

This Mahle fuel injection plenum gasket, part number MS38103, is engineered as a direct sealing component for the intake plenum area. The composite construction supports consistent compression and helps maintain a secure seal between mating surfaces, which is important during intake manifold and plenum service on Chevrolet Silverado and GMC Sierra platforms. If you are replacing a worn intake seal on a GM truck, MS38103 provides an OE-standard solution backed by Mahle’s sealing expertise.

What It Helps Address

  • Intake plenum vacuum leaks
  • Rough idle caused by sealing loss at the plenum
  • Unmetered air entering the intake system
  • Fuel trim issues related to intake gasket leakage
  • Service replacement for deteriorated OEM plenum seals

Installation Notes and Tips

Clean both mating surfaces thoroughly before installation and inspect the plenum and intake surfaces for warpage, corrosion, or residue. Follow the vehicle service procedure for torque sequence and tightening specifications, and verify all vacuum and intake connections after reassembly. For GM truck service, confirm the application against the original part number MS38103 or the General Motors cross-reference 15637689 before installation.

Quality Assurance

Mahle gaskets are used as sealing components trusted by OEMs and technicians worldwide. MS38103 is an OEM Standard replacement built to support accurate sealing performance in fuel injection plenum service.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
General Motors — 15637689