Skip to product information
1_a0d98fc0-c5d2-4ca3-ad3d-ea0bcc27817d - Northline Parts

2-Hole Valve Cover with Oil Cap 3928405 for Cummins 6BT 5.9L Diesel Engines

SKU: NLT2T00276
$54.29 In Stock
$54.29
Sale price  $54.29 Regular price 
Ships for free in 2–4 business days.
This is a 2-hole valve cover with oil cap for 6BT / 5.9L applications using the 2-hole valve cover. It seals the top of the cylinder head while providing the correct openings and filler arrangement for the referenced Cummins configuration.
Estimated delivery between
Shop at Northline Parts Best Customer Service Best Online Parts

Let Northline Parts Do the Heavy Lifting for You!

Not sure which part you need? Our team can help you find the right replacement.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

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
Application Models / Details
Cummins engine 6BT / 5.9L applications using the 2-hole valve cover

Product Overview

Oil seepage at the top of the engine may come from the cover gasket, warped sealing surfaces or excessive crankcase pressure. Clean the mating surface and confirm the cover configuration before installation.

Cummins parts data identifies 3928405 specifically as a 2-hole 6BT valve cover. Verify breather/opening layout against the original before ordering.

Key Features & Performance

  • 2-hole Cummins 6BT configuration
  • Includes oil cap as listed
  • Restores the top-end cover and oil containment function
  • Key specification(s): 2-hole valve-cover configuration

Replaces / Cross-References

3928405

Fitment Notes

We do our best to list all compatible models, but equipment manufacturers may use different components within the same model based on engine, serial number or production date. Compare the original part and reference numbers before ordering.

Frequently Asked Questions

How do I verify fitment?
Compare the listed model/application, reference numbers, voltage/specification where shown, connector style and physical configuration to the part being removed. Serial-number breaks can apply on industrial equipment.

Is this an OEM part?
This listing is for a replacement component. It should not be assumed to be a genuine OEM-branded part unless the product packaging/listing explicitly states that.

Customers also purchased