Engines and Components› Crankshafts and Components

Cummins

Front Crankshaft Seal Service Kit

$73.95

SKU: 3937111

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Cummins Front Crankshaft Seal Service Kit is a direct replacement for your 1989-2007 Dodge Cummins 5.9L engine. Using Cummins OE parts ensures that factory performance, fitment, and function are maintained.
Show original supplier description
The Cummins Front Crankshaft Seal Service Kit is engineered as a direct replacement for 1989-2007 Dodge Cummins 5.9L engines. By utilizing genuine Cummins OE parts, this kit ensures that your engine maintains its original factory performance, fitment, and function. It provides all the necessary components to replace the front crankshaft seal, which is crucial for maintaining a proper seal between the crankshaft and the engine block. This prevents leaks and ensures optimal engine operation. This kit is specifically designed for the 1989-2007 Dodge Cummins 5.9L models.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCummins
Part Number3937111
CategoryEngines and Components
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy