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SKU:
NLT2S00584
Ships for free in 2–4 business days.
Cylinder Head for Cummins K19 / QSK19 / K38 Diesel Engines – Verify Casting
$1,381.39
In Stock
$1,381.39
Sale price
$1,381.39
Regular price
This replacement diesel cylinder head is intended for specific Cummins K19, K38 and QSK19 engine configurations. It replaces a damaged head when its casting, valve arrangement and reference numbers match the engine.
Estimated delivery between
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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
- Cummins K19 / KTA19 with correct cylinder-head casting
- Cummins QSK19 with correct head version
- Cummins K38 / QSK38 with correct head version
Product Overview
The cylinder head closes the combustion chamber and houses the valves and related passages. Cracks, coolant intrusion or warping after overheating may require head replacement, but proper diagnosis and measurement are essential on heavy-duty engines.
Key Features & Performance
- Cylinder-head component
- Multiple engine families require casting confirmation
- Service references 3081065, 3646323, 3646324, 3811985 need individual validation
OE / Reference Numbers
- 3081065
- 3646323
- 3646324
- 3811985
Common Reasons for Replacement
- Cracked head or coolant intrusion
- Warping or sealing failure
- Valve-seat or casting damage
Fitment Notes
Do not assume all listed numbers identify identical heads. Verify serial number, head casting, valve configuration, coolant passages and quantity needed per engine.
Frequently Asked Questions
Is this an OEM part? No. Unless the listing explicitly states otherwise, this is an aftermarket replacement or accessory. Manufacturer names and OE numbers identify the intended application.
How do I confirm fitment? Do not assume all listed numbers identify identical heads. Verify serial number, head casting, valve configuration, coolant passages and quantity needed per engine.
Part Summary
Keywords: Cylinder Head, 3081065, 3646323, 3646324, 3811985, Cummins K19 / KTA19 with correct cylinder-head casting, Cummins QSK19 with correct head version, Cummins K38 / QSK38 with correct head version.
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.