Product Description
MAHLE GS33913 is an OE-quality engine oil cooler gasket for the 1998.5–2002 5.9L 24-valve Cummins (ISB). Built to stock specifications, it restores a proper seal between the oil cooler assembly and mating surfaces to stop leaks and maintain oil pressure.
- Application: 5.9L Cummins ISB (24V)
- Construction: Steel with molded sealing edge (OE-style)
- Direct-fit replacement; meets or exceeds OEM specs
Fitment
- 1998.5, 1999, 2000, 2001, 2002 Dodge Ram 2500 / 3500 with 5.9L Cummins 24V (ISB)
Cross Reference Numbers
- MAHLE: GS33913
- Cummins (related oil-cooler gasket refs): 4932124 (cooler to block), 3942915 (cooler to filter)
What’s Included
One engine oil cooler gasket (quantity 1). Hardware not included.
FAQ
Will this fit my 24-valve 5.9?
Yes — designed for 1998.5–2002 Ram 2500/3500 5.9L Cummins ISB (24V).
Is this an OE-style gasket?
Yes — it’s manufactured to OE specifications for material and sealing profile.
Do I need sealant?
Install per Cummins service manual. Do not over-apply RTV; surfaces must be clean and flat.
What symptoms indicate a failing cooler gasket?
Oil seepage at cooler/block joint, low oil level between services, or cross-contamination concerns. Replace during cooler service.
