Product Description
Stop rear main oil leaks the right way with the MAHLE 48384 Crankshaft Rear Main Seal for 1989–2018 Cummins 5.9L/6.7L. This OE-quality PTFE seal restores factory sealing performance and includes the dedicated installer for proper depth and alignment. Built to Mahle’s standards for durability and long service life.
Fitment
- 1989–1993 Dodge D/W 250–350 — 5.9L Cummins (12-valve)
- 1994–2002 Dodge Ram 2500/3500 — 5.9L Cummins (12V/24V)
- 2003–2007 Dodge Ram 2500/3500 — 5.9L Cummins (Common Rail)
- 2007.5–2018 Ram 2500/3500 — 6.7L Cummins
Cross-Reference / Alternatives (Mahle only)
- Mahle 67857 Rear Main Seal (includes wear sleeve): MAHLE 67857
- Mahle JV1622 Rear Main Seal Gasket Set (’89–’02 5.9L): MAHLE JV1622
- Mahle JV1690 Rear Main Seal Gasket Set (’03–’18 5.9L/6.7L): MAHLE JV1690
- Mahle 48383 Timing Cover Seal w/ Wear Sleeve (front seal, related service): MAHLE 48383
What’s Included
- Rear main crankshaft seal (PTFE)
- Dedicated installation tool
Why CPP Diesel
- Fast shipping and diesel-focused support
- Curated Mahle coverage for Cummins platforms
FAQ
Does this kit include an installer?
Yes. The MAHLE 48384 includes a tool to set the seal to the proper depth.
Is a repair/wear sleeve included?
No. If the crank sealing surface is grooved, use a sleeved option like Mahle 67857 or add a separate repair sleeve.
What is the seal material?
PTFE for long service life and stable sealing under heat and load.
Which model years does it fit?
All 1989–2018 Ram 2500/3500 models equipped with the 5.9L or 6.7L Cummins as listed in Fitment.
Specifications for Mahle 48384
| Attribute | Value |
|---|---|
| Brand | Mahle |
| Part Number | 48384 |
| UPC | 027067362803 |
| GTIN | 027067362803 |
| Material | PTFE |
| Includes Installer | Yes |
| Package Dimensions (WxHxD) | 6.25" × 2.25" × 6.50" |
| Shipping | Calculated at Checkout |
| Prop 65 | Not specified by manufacturer. See www.P65Warnings.ca.gov. |
