Product Description
MAHLE OS32139 engine oil pan gasket set restores a clean, leak-free seal on 1989–2002 5.9L Cummins 12V/24V engines. Built with OE-grade cork-rubber material and precise bolt-hole indexing, this Mahle/Clevite kit is designed for reliable oil containment under heat, vibration, and towing loads—ideal for daily drivers, tow rigs, and work trucks.
Fitment
- Dodge Ram 2500/3500 5.9L Cummins 12V: 1989–1998
- Dodge Ram 2500/3500 5.9L Cummins 24V: 1998.5–2002
- Vehicle-specific kit; confirm model year/engine (12V vs 24V) before ordering.
What’s Included
- Oil pan gasket (cork-rubber composite)
- Drain plug washer(s) and tube flange gasket, per Mahle kit contents
Why MAHLE
- OE-grade materials and geometry for dependable sealing
- Consistent thickness (~0.03 in) for proper clamping load
- Proven performance in heavy-duty diesel applications
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
- MAHLE OS32172 – Oil Pan Gasket (4BT 3.9L)
- MAHLE OS32278 – Oil Pan Gasket (2003–2007 5.9L)
- MAHLE CS4068 – Lower Engine Gasket Set (1989–1998 12V)
- MAHLE VS50215S – Valve Cover Gasket (1989–1998 12V)
- MAHLE GS33913 – Oil Cooler Gasket (1998.5–2002 24V)
Installation Notes
- Clean mating surfaces thoroughly; remove old gasket material and oil residue.
- Dry-fit to confirm alignment; torque fasteners in sequence to OE spec.
- Replace drain plug washer(s) included in the kit to prevent seepage.
FAQ
Will OS32139 fit both 12V and 24V 5.9L Cummins?
Yes—this kit covers 1989–1998 12V and 1998.5–2002 24V applications.
What material is the gasket?
OE-style cork-rubber composite engineered for diesel oil system sealing.
Does it include drain plug washers?
Yes—the Mahle kit includes the necessary washers and tube flange gasket noted for these applications.
Do I need sealant?
Generally no; follow Cummins/Mahle guidance. A tiny dab at corner joints may be used if OE procedure calls for it.
Specifications for Mahle OS32139
| Attribute | Value |
|---|---|
| Brand | MAHLE / Clevite |
| Part Number | OS32139 |
| UPC (GTIN-12) | 757522722360 |
| GTIN | 00757522722360 |
| Shipping Info | Shipping calculated at checkout; typical package approx. 24" L × 8.75" W × 1" H; ~1 lb ship weight. |
| Material / Thickness | Cork-rubber composite; ~0.03 in |
| Prop 65 | WARNING: Cancer & Reproductive Harm – www.P65Warnings.ca.gov |
