MAHLE MS12435 INTAKE MANIFOLD GASKET SET FOR 89-02 CUMMINS 5.9L

Product Description

Ensure a perfect air seal on your Cummins with the MAHLE MS12435 Intake Manifold Gasket Set for 1989–2002 5.9L engines. These precision-cut gaskets are manufactured from premium materials to maintain boost pressure, prevent air leaks, and withstand extreme diesel heat cycles. Whether you’re replacing a leaking stock gasket or reinstalling your intake horn after service, Mahle delivers factory-level fit and reliability every time.

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Fitment

• 1989–1998 Dodge Ram 2500/3500 — 5.9L Cummins 12-valve
• 1998.5–2002 Dodge Ram 2500/3500 — 5.9L Cummins 24-valve (ISB)

Cross-Reference / Alternatives (Mahle only)

• Mahle MS19815 Intake Gasket Set (2003–2007 5.9L): MS19815
• Mahle GS33683 Turbo Mounting Gasket Set (1989–2002): GS33683
• Mahle HS54174-2 Upper (Head) Gasket Set (98.5–02 24V): HS54174-2
• Mahle JV5097 Front Timing Cover Gasket Set (98.5–02): JV5097

What’s Included

• Two (2) intake manifold gaskets — one pair required per cylinder head
• Meets or exceeds OEM sealing specifications

Why Buy From CPP Diesel

• We stock Mahle OEM-quality diesel gaskets and hard parts
• Fast U.S. shipping and technical support for Cummins owners

FAQ

Will this fit both 12-valve and 24-valve 5.9L Cummins?
Yes — it fits all 1989–2002 5.9L Cummins engines (12V and 24V).

Is this a metal or composite gasket?
It’s a high-quality fiber composite gasket designed for long service life and consistent torque retention.

Do I need sealant when installing?
No sealant required — install dry on clean surfaces unless specified otherwise by Cummins.

Are both gaskets included?
Yes — the set includes both intake gaskets for a complete installation.

Specifications for Mahle MS12435