12000-ZVL-020ZA Honda Marine 250hp Cylinder Block | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda BF250D 3.6L V6 Cylinder Block Assembly, NH8 Dark Grey - Part Number: 12000-ZVL-020ZA

A genuine Honda replacement cylinder-block assembly for specified BF250D K1 250HP outboards. The ZA suffix identifies the factory NH8 dark-grey finish. This is the service block casting/assembly shown in the cylinder-block diagram and is not a complete powerhead with crankshaft, pistons, cylinder heads, valve gear, fuel system or electrical components.

⚙️ Key Features

• Genuine Honda 3.6-litre V6 cylinder-block assembly

• Factory NH8 dark-grey external finish

• Correct ZVL K1 casting and machined oil/coolant passages

• Requires transfer or replacement of all non-included internal and external engine components

• Critical product-number and frame-serial verification required before ordering

📋 Kit / Assembly Contents

• 1 × painted cylinder-block assembly - 12000-ZVL-020ZA

• Crankshaft, pistons, connecting rods, bearings, cylinder heads, oil pump, covers, sensors, fuel equipment and mounting hardware are not included unless separately stated on the sealed Honda package

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 12000-ZVL-020ZA - K1 service block revision

• 12000-ZVL-010ZA and 12000-ZVL-000ZA - separate earlier ZVL block revisions; interchange is not assumed without Honda serial-number confirmation

OEM / Related Numbers:

• 12000-ZVL-020ZA

• 12000-ZVL-010ZA

• 12000-ZVL-000ZA

Aftermarket / Verified Equivalents:

• No verified aftermarket cylinder-block equivalent

🚤 Compatibility

Commonly used on:

• Honda BF250D K1 model families whose cylinder-block diagram specifies 12000-ZVL-020ZA

Typically suits:

• HP Range: 250 HP

• Engine Type: 3.6-litre V6 EFI four-stroke outboard

• Year Range: Later BF250D K1 production; exact market year is product-number dependent

• Serial / Identification Range: Confirmed in BF250DK1 cylinder-block catalogues. Verify the complete model suffix, product number and BBNJ frame serial before purchase; 12000-ZVL-000ZA, -010ZA and -020ZA are revision-specific.

🔌 Function

Forms the main structural engine casting containing the six cylinder bores, crankcase, oil galleries, coolant passages and mounting interfaces for the complete powerhead.

Common signs replacement or service is required:

• Cracked or impact-damaged block

• Cylinder bore damage beyond approved repair limits

• Freeze, corrosion or overheating damage to coolant passages

• Main-bearing bore distortion

• Internal oil/coolant cross-leak caused by casting damage

• Major engine failure requiring replacement rather than machining the original block

📦 Condition

• Genuine Honda Marine OEM part

• Brand new

• Supplied in genuine Honda or equivalent protective packaging