Mahle

Mahle B45878 Engine Valve Cover Grommet Set

Brand Mahle B45878
Grommet Material Molded Rubber
Material Molded Rubber
Fits Nissan · 4 vehicles

OE-trusted sealing. MAHLE gaskets are trusted by OEMs and technicians worldwide.

Molded rubber. Provides a flexible sealing surface for dependable fit.

Valve cover grommet set. A sealing hardware set for engine service and repair.

Cross-references Beck/Arnley 039-6430, Beck/Arnley 0396457 and Beck/Arnley 0396603 for the same application. See all 6.

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Mahle Engine Valve Cover Grommet Set B45878

Mahle B45878 is an engine valve cover grommet set made from molded rubber for a secure sealing interface at the valve cover. It is built for 1998-2001 Nissan Altima applications and supports OE-style service work where consistent sealing around the valve cover fasteners matters.

Key Features

  • Molded rubber construction for dependable sealing performance
  • Grommet material is also molded rubber for consistent fit and compression
  • Engine hardware application for valve cover service
  • Compatible with 1998-2001 Nissan Altima, N/A
  • Mahle part number B45878 for catalog and service reference

Detailed Description

Mahle B45878 is an engine valve cover grommet set engineered for sealing applications on the 1998-2001 Nissan Altima. The molded rubber construction helps maintain proper compression at the valve cover fasteners, which is important for keeping the sealing surface stable during routine engine service. Mahle gaskets are trusted by OEMs and technicians worldwide for sealing applications, and this part follows that same OE-focused approach. This part cross-references FEL-PRO ES73109 for the same application.

What It Helps Address

  • Oil seepage around the valve cover fastener area
  • Loss of sealing pressure at worn grommet locations
  • Rubber hardening or cracking from heat cycling
  • Service issues during valve cover resealing on a Nissan Altima
  • Fitment-related replacement needs for 1998-2001 Nissan Altima, N/A

Installation Notes and Tips

Verify the valve cover and fastener surfaces are clean before installation. Inspect the mounting points for wear, distortion, or residue that could affect sealing. For 1998-2001 Nissan Altima service, confirm the application matches the vehicle before replacing the grommets and reassemble to the manufacturer’s torque specification.

Quality Assurance

Mahle is known for sealing products used by OEMs and professional technicians, and B45878 is produced as an OE-style service part for engine sealing applications. Use the confirmed fitment data for 1998-2001 Nissan Altima, N/A when selecting this part.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001NissanAltima2.4LL4N/AMolded Rubber / Steel
2000NissanAltima2.4LL4N/AMolded Rubber / Steel
1999NissanAltima2.4LL4N/AMolded Rubber / Steel
1998NissanAltima2.4LL4N/AMolded Rubber / Steel
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 039-6430Beck/Arnley — 0396457Beck/Arnley — 0396603Datsun/Nissan — 13268-31U01Datsun/Nissan — 13268-97E00FEL-PRO — ES73109