21450768 Aftermarket Volvo Penta Exhaust Elbow Pipe D4-300 & D6 | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Volvo Penta D4/D6 Exhaust Elbow Water Connector - Part Number: 21450768

A stainless exhaust-elbow cooling-water connector for Volvo Penta D4 and D6 engines. It screws into the elbow water jacket and connects the cooling hose; it is not the exhaust elbow itself. The HDI D46P package replaces 21450768 and 3819016.

⚙️ Key Features

• Corrected identification: exhaust-elbow water connector

• For Volvo Penta D4 and D6 elbows

• Replaces 21450768 and 3819016

• Uses O-ring 969415

• Two connectors are commonly fitted per elbow; some shaft-drive layouts use one

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• HDI D46P → Replaces Volvo Penta 21450768 and 3819016

OEM / Related Numbers:

• 21450768

• 3819016

• HDI D46P

• 969415 O-ring

• 21684826

• 21700014

• 3583902

• 3841508

• 3884701

Aftermarket / Verified Equivalents:

• HDI Marine: D46P

Included Components:

• Water connector - Part Number: 21450768 / HDI D46P

• O-ring - Part Number: 969415

• Mounting bolts - supplied in HDI D46P package

🚤 Compatibility

Commonly used on:

• Volvo Penta D4 and D6 exhaust-elbow cooling-water connections

Typically suits:

• Engine models:

• Volvo Penta D4-180 / D4-210 / D4-225 / D4-260 / D4-300

• Volvo Penta D6-280 / D6-300 / D6-310 / D6-330 / D6-350 / D6-370 / D6-400 / D6-435

• Part Type: cooling-water hose connector

• Seal: O-ring 969415

• Quantity: commonly two per elbow; confirm engine installation

🔌 Function

The connector transfers cooling water from the engine hose into the exhaust-elbow water jacket without allowing leakage around the threaded joint.

Common signs of failure:

• Cooling-water leakage around the connector

• Corroded or cracked hose spigot

• Damaged 969415 O-ring

• Restricted cooling-water passage

• Loose fasteners or damaged threaded mounting face

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging