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SKU:
NLT2T00411
Ships for free in 2–4 business days.
Crankshaft Front Oil Seal 3904353 for Cummins Engine 6BT 4BT Case MX100 MX120
$24.29
In Stock
$24.29
Sale price
$24.29
Regular price
This is a replacement front crankshaft oil seal for Cummins Engine 4BT; replaces 3904353.
Estimated delivery between
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
| Cummins Engine 4BT |
| Cummins Engine 6BT |
| Case IH MX100 |
| Case IH MX120 |
Product Overview
Oil appearing behind the front pulley or dampness around the crank nose can indicate a hardened or worn front crankshaft seal after the front cover and pulley surfaces are inspected.
This replacement seal restores the oil barrier around the front of the crankshaft on compatible Cummins applications. Inspect the crank sealing surface for a groove before installing a new seal.
Key Features & Performance
- Replacement front crankshaft oil seal for the listed application
- Intended to restore the original function when diagnosis, inspection or scheduled service confirms replacement is needed
- Match the original part number, mounting and connections before installation
- Replaces or cross-references 3904353
Replaces / Cross-References
- 3904353
What Is Included
1 replacement component for this SKU unless the product images or option selection state otherwise.
Fitment Notes
Match the original part number, machine or vehicle model, mounting points, connector or hose/fitting style, and any serial-number restrictions before ordering. When a manufacturer uses multiple revisions within the same model family, the equipment serial number and original component should be the final fitment check.
Frequently Asked Questions
Is this a genuine OEM part?
No, unless the product page specifically states otherwise. This listing is for a replacement, accessory, upgrade or repair component as described above. OE and interchange numbers are provided for identification and fitment reference.
How should I verify fitment before ordering?
Compare the original part number, machine or vehicle model, mounting arrangement and electrical, fuel, coolant or hydraulic connections with the information above. For equipment parts, also verify the machine serial number whenever the manufacturer catalog uses serial breaks.
Part Summary
Keywords: front crankshaft oil seal, Cummins Engine 4BT, Cummins Engine 6BT, 3904353.