21610333 Aftermarket Volvo Penta Holley Carburetor | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Holley-style carburettor for Volvo Penta - Replacement Part Number: 21610333

A replacement marine carburettor for Volvo Penta and OMC 3.0L GS/GL four-cylinder engines. Part number 21610333 is the later service replacement for several Holley-calibrated carburettors used on the GM 181 CID platform. The complete engine suffix and original carburettor number must be checked because linkage, choke and calibration differ between production groups.

⚙️ Key Features

• Marine-calibrated Holley-style carburettor

• Designed for Volvo Penta and OMC 3.0L four-cylinder petrol engines

• Replaces multiple Volvo Penta and OMC service numbers

• Restores correct starting, idle mixture and acceleration

• Suitable for GL, GS, GSP and GSM applications listed below

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21610333 → Supersedes 3859065

• 3859065 → Supersedes 3859053

• 21610333 → Also replaces 3857982

OEM / Related Numbers:

• 21610333

• 21132437

• 21211937

• 3854086

• 3857070

• 3857982

• 3859053

• 3859065

• 3887697

• OMC 0986494

• OMC 0987262

Aftermarket / Verified Equivalents:

• Recmar: REC21610333

• Holley-style marine replacement: 21610333 / 3887697

🚤 Compatibility

Commonly used on:

• Volvo Penta and OMC GM 3.0L carburetted sterndrive engines

Typically suits:

• Engine models:

• 3.0GLP-E, 3.0GLP-J and 3.0GLP-N

• 3.0GSM-A, 3.0GSM-B and 3.0GSM-C

• 3.0GSMBYMCE, 3.0GSMLKD, 3.0GSMNCS and 3.0GSMWTR

• 3.0GSP-A, 3.0GSP-B and 3.0GSP-C

• 3.0GSPBYMCE, 3.0GSPEFS, 3.0GSPLKD, 3.0GSPMDA, 3.0GSPNCS and 3.0GSPWTR

• Engine Displacement: 181 CID / 3.0L

• Engine Type: GM-based carburetted inline four-cylinder marine petrol engine

• Year Range: Approximately 1994 - 2007; confirm by full engine suffix

🔌 Function

The carburettor meters and atomises fuel through its idle, transition and main circuits while the choke system enriches the mixture for cold starting.

Common signs of failure:

• Hard starting or ineffective choke operation

• Rough idle, hunting or stalling when shifted into gear

• Hesitation or backfire during acceleration

• Lean surge or reduced power under load

• Rich exhaust, spark-plug fouling or excessive fuel use

• Fuel seepage, flooding or worn throttle-shaft symptoms

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging