Product Description
The CUMMINS 3802820 OEM FRONT CRANKSHAFT SEAL WITH WEAR SLEEVE is designed for 1989–2018 5.9L and 6.7L Cummins diesel engines. This genuine Cummins sealing kit helps prevent engine oil leaks at the front of the crankshaft while restoring a proper sealing surface using the included wear sleeve.
Use this part when repairing front main seal leaks, rebuilding an engine, replacing a timing cover, or servicing the front gear housing. Always verify fitment by engine serial number and application before ordering.
FEATURES
- Genuine Cummins OEM front crankshaft seal kit
- Includes wear sleeve for restoring crankshaft sealing surface
- Direct-fit replacement for applicable Cummins engines
- Helps eliminate front crankshaft oil leaks
- Designed for long service life and reliable sealing performance
- Ideal for maintenance, repair, or engine rebuild projects
FITMENT
- 1989–1998 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24-Valve
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins Common Rail
- 2007.5–2018 Ram 2500/3500 6.7L Cummins
- Select Cummins industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3802820 Front Crankshaft Seal
- 1 Cummins Wear Sleeve
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3802820
- Front Timing Cover Gaskets
- Front Gear Housing Seals
- Cummins Oil Pan and Rear Main Seal Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3802820
- Part Type: Front Crankshaft Seal With Wear Sleeve
- Engine Compatibility: 5.9L Cummins, 6.7L Cummins
- Fitment Years: 1989–2018
- Vehicle Application: Dodge Ram / Ram 2500 and 3500
- Seal Location: Front Crankshaft
- Includes Wear Sleeve: Yes
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
FAQ
Will this part fit my truck?
This seal fits many 1989–2018 5.9L and 6.7L Cummins applications. Always verify fitment by engine serial number before ordering.
Is this a genuine Cummins seal?
Yes. Cummins 3802820 is a genuine OEM front crankshaft seal kit supplied by Cummins.
Why is a wear sleeve included?
The wear sleeve provides a fresh sealing surface on the crankshaft when the original surface has developed wear grooves from long-term seal contact.
What are the symptoms of a leaking front crankshaft seal?
Common symptoms include oil leakage behind the harmonic balancer, oil accumulation on the front of the engine, and oil contamination around the front gear housing area.
Should the wear sleeve be replaced during seal replacement?
Yes. Installing the included wear sleeve helps maximize sealing performance and reduce the likelihood of future leaks.
Do I need any related parts?
Inspect the harmonic balancer, front cover gasket, crankshaft sealing surface, and related hardware during installation and replace worn components as necessary.
