Skip to product information
Usually ships in 2–4 business days.
Valve Cover w/Cap 3928405 for Cummins Engine ISB3.9 ISB5.9 ISBE N14 QSB5.9 6BT
$54.29
Sale price
$54.29
Regular price
Available to Order
This Valve Cover w/Cap is a high-quality aftermarket replacement part compatible with Cummins ISB3.9, ISB5.9, ISBE, N14, QSB5.9, and 6BT engines and matches OEM Part# 3928405.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. 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
Product Overview
This valve cover assembly provides a secure seal for the cylinder head, protecting internal components and preventing oil leaks. It includes the filler cap, making it a direct solution for maintaining Cummins diesel engine integrity.
Key Features & Performance
- Reliable Sealing: Engineered to provide a tight seal to prevent oil loss and contamination.
- Durable Construction: Built from high-quality materials to resist heat and engine stress.
- Ease of Installation: Designed as a direct replacement part for a precise fit.
Fitment & Compatibility
- Engine Models: Cummins ISB3.9, ISB5.9, ISBE, N14, QSB5.9, 6BT
Technical Specifications
- Part Number(s): 3928405
- Application: Diesel Engine
- Includes: Valve Cover and Cap
Frequently Asked Questions
- Q: Does this part come with the cap? A: Yes, this valve cover includes the matching oil filler cap.
- Q: Is this part compatible with all N14 engines? A: This part is designed for Cummins N14 and ISB series engines; please verify your specific part number matches 3928405.
Compatibility may vary by serial number. Verify fitment before purchase.