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SKU:
NLT2T00129
Ships for free in 2–4 business days.
Gear Housing Access Hole Cover 3903463 Fits Cummins 4B 6B 6C ISC Series Engine
$22.99
In Stock
$22.99
Sale price
$22.99
Regular price
This is a replacement gear-housing access cover for Cummins 4B Series Engines; replaces 3903463.
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 4B Series Engines |
| Cummins 6B Series Engines |
| Cummins 6C Series Engines |
| Cummins ISC Series Engines |
Product Overview
An open or damaged access hole in the gear housing can allow dirt, moisture and debris into an area that should stay protected. Covers can be lost during service or damaged from repeated removal.
This replacement cover restores the closure over the access opening so the gear-housing area remains protected after service. Match the cover size, fastener pattern and engine family before installation.
Key Features & Performance
- Replacement gear-housing access cover for the listed application
- Intended to restore the original function when diagnosis or inspection confirms the existing part is worn, damaged or failed
- Match the original part number, mounting and connections before installation
- Replaces or cross-references 3903463
Replaces / Cross-References
- 3903463
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 engine 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 engine model, mounting arrangement and electrical, fuel 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: gear-housing access cover, Cummins 4B Series Engines, Cummins 6B Series Engines, 3903463.