Product Description
Genuine Cummins
Cummins 3802820 — Front Crankshaft Main Oil Seal Kit w/ Wear Sleeve
MPN: 3802820 | Also Known As: front main seal kit, crankshaft seal & sleeve | Alternates/IDs: Mopar 5011935AA
Why This Part
- ✓ OE Cummins seal kit for leak-free repair on worn/grooved crank surfaces.
- ✓ Includes wear sleeve to restore sealing surface—ideal for high mileage engines.
- ✓ Direct-fit for Ram 5.9L/6.7L Cummins (see fitment below).
- ✓ Long-lasting elastomer and precise lip geometry for durability.
OE Fit With Wear Sleeve 1 Per Engine
Quick Specs
| Type | Front crankshaft (front main) oil seal kit w/ wear sleeve |
|---|---|
| OE Part # | 3802820 |
| Qty Required | 1 per engine (sold individually) |
| Recommended Tools | Seal installer 3824498; sleeve installer 3824500 (sold separately) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–2002 | Ram 5.9L Cummins (12V & 24V VP44) | Ram 2500/3500 |
| 2003–2007 | Ram 5.9L ISB (24V Common-Rail) | Ram 2500/3500 |
| 2007.5–2018 | Ram 6.7L ISB (24V Common-Rail) | Ram 2500/3500 |
Industrial/Off-Highway: Also used on ISB/QSB variants; verify by ESN for non-automotive applications.
Often Paired With
- Install Tools: Cummins 3824498 (seal installer) · 3824500 (wear sleeve installer)
- Balancer Bolt Kit: ARP 147-2502 (’89–’07 5.9L), 920321/960311/960301 as applicable
- Front Cover Gasket (when removed): 3918673 (’94–’02)
What’s In The Box
- (1) Genuine Cummins Front Crankshaft Seal
- (1) Wear Sleeve
- Installation tools & gaskets sold separately.
Install Tips
- Inspect crank snout for grooves; clean and degrease thoroughly.
- Use the correct installers to set the sleeve and seal squarely to specified depth.
- Verify crankcase ventilation (CCV) is functioning to prevent future leaks.
FAQ
WILL THIS FIT MY 1989–2018 RAM 5.9L/6.7L?Yes—this OE kit is used across 5.9L (1989–2007) and 6.7L (2007.5–2018) Ram applications. Always confirm by VIN/ESN.
DOES THIS KIT INCLUDE THE WEAR SLEEVE?Yes—3802820 includes both the front main seal and the wear sleeve to restore a proper sealing surface.
MY CRANKSHAFT HAS A GROOVE—IS THIS THE RIGHT FIX?Yes—the included sleeve covers the worn area so the new seal rides on a smooth surface and stops leaks.
DO I NEED SPECIAL TOOLS TO INSTALL?Recommended—use Cummins installers 3824498 (seal) and 3824500 (sleeve) for correct depth and alignment.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3802820 for proper fit, materials, and service life.
Product Videos
Custom Field
Vehicle Year 1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018
Vehicle Make DODGE
Vehicle Model 5.9L,6.7L
Part Type Front Crank Seal Speedy Sleeve
