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CUMMINS

CUMMINS 3802820 OEM FRONT CRANKSHAFT SEAL WITH WEAR SLEEVE – RAM 5.9L/6.7L (1989–2018)

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SKU:
CUM3802820
MPN:
3802820
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  • CUMMINS 3802820 OEM FRONT CRANKSHAFT SEAL WITH WEAR SLEEVE – RAM 5.9L/6.7L (1989–2018)
  • CUMMINS 3802820 OEM FRONT CRANKSHAFT SEAL WITH WEAR SLEEVE – RAM 5.9L/6.7L (1989–2018)
$292.40
724-785-4022

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 RangeEngineChassis
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.

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Additional Information

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
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