426422 Aftermarket Bombardier Holley Carburetor | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Marine Power Holley 2-barrel carburettor - Part Number: 426422 / MP426422

A 500 CFM marine Holley two-barrel carburettor for selected Volvo Penta and OMC/Bombardier 4.3L V6 engines. It replaces several OMC and Volvo Penta carburettor numbers and corresponds with the later Volvo Penta 21610334 service family. Confirm the original number, choke, fuel inlet and linkage.

⚙️ Key Features

• Marine Holley two-barrel carburettor

• Nominal airflow rating: 500 CFM

• Designed for GM 262 CID / 4.3L V6 marine engines

• Cross-references to Volvo Penta and OMC/Bombardier numbers

• Restores correct starting, idle and high-load mixture

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21610334 → Replaces 3859066

• 3859066 → Replaces 3858331 on applicable engines

• 426422 / MP426422 is the aftermarket Marine Power reference

OEM / Related Numbers:

• 426422

• MP426422

• 21610334

• 21132441

• 21211939

• 3850245

• 3854087

• 3854346

• 3857995

• 3858331

• 3859066

• 3887698

• OMC 0772846

• OMC 0986510

• OMC 0987263

• OMC 0987306

Aftermarket / Verified Equivalents:

• Marine Power: MP426422

• Sierra remanufactured: 18-7624

• Recmar: MP426422

🚤 Compatibility

Commonly used on:

• Volvo Penta and OMC/Bombardier GM 4.3L V6 carburetted marine engines

Typically suits:

• Engine models:

• Volvo Penta 4.3GL-G and 4.3GL-GF

• Volvo Penta 4.3GL-J and 4.3GL-JF

• Volvo Penta 4.3GL-P

• OMC 4.3L GL/GS engines using the listed original carburettor numbers

• Engine Displacement: 262 CID / 4.3L

• Engine Type: Carburetted GM V6 marine petrol engine

• Carburettor Type: Holley marine 2-barrel, approximately 500 CFM

• Year Range: Primarily 1990s - 2000s; confirm by full engine suffix

🔌 Function

The carburettor meters fuel through two venturis and calibrated idle, transition and main circuits. The choke enriches the mixture during cold starting.

Common signs of failure:

• Hard starting or choke malfunction

• Rough idle or low-speed stalling

• Hesitation, flat spots or intake backfire

• Lean surge or loss of power under load

• Rich exhaust, plug fouling or excessive fuel use

• Fuel seepage or flooding from the float system

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging