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New Fully Assy Cylinder Head Kit 12391-ZE2-000 for Honda GX120 4-Stroke Engine
$140.99
Sale price
$140.99
Regular price
Available to Order
This engine cylinder head is a high-quality aftermarket replacement for compatible Honda engines that provides a replacement foundation for compatible top-end engine repair.
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
The cylinder head seals the combustion chambers and supports the valves, ports, and related valvetrain components. Replacement may be needed when the original head is cracked, warped, corroded, or damaged beyond practical repair.
This part replaces 12391-ZE2-000. Before ordering, compare the original component’s part number, engine model, valve and injector layout, water-passage count, and included components.
Key Features & Performance
- Supports proper combustion sealing
- Suitable for top-end engine repair
- Replaces a cracked, warped, or damaged head
- Machined for compatible engine applications
Fitment & Compatibility
Compatible with select Honda GX120 4-Stroke Engine applications. Serial-number breaks, production changes, or equipment options may affect the required part.
Technical Specifications
- Product Type: Engine Cylinder Head
- Compatible Brand: Honda
- Part Number(s): 12391-ZE2-000
Frequently Asked Questions
Q: Is this cylinder head ready to install? A: Included components vary by listing. Inspect the package details and have clearances, flatness, and related engine parts checked before assembly.
Q: Is this an original OEM part? A: No. This is a quality aftermarket replacement designed for compatible applications.
Compatibility may vary by serial number, production date, or equipment configuration. Verify fitment before purchase.