21406493 Stay | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D3 Heat Exchanger Support Stay - Part Number: 21406493

A rigid support stay used to brace the heat exchanger and adjoining cooling-system structure on selected Volvo Penta D3 marine diesel engines. It reduces movement of the cooler and helps prevent vibration loading on hoses and brackets.

⚙️ Key Features

• Genuine Volvo Penta heat-exchanger stay

• Correct length and factory mounting geometry

• Supports the cooler and connected hose assembly

• Reduces vibration and mounting fatigue

• Used with the original D3 heat-exchanger brackets and profile

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21406493 (current catalogued reference)

OEM / Related Numbers:

• 21308169 - related heat-exchanger stay

• 21306599 - support profile

• 21572462 - heat-exchanger bracket

• 22004363 - related heat exchanger

• 21166146, 21166149 and 21454184 - related hoses

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D3 heat-exchanger installations

Typically suits:

• Engine models:

• D3-110I-D / E / F / G / H

• D3-140A-D / E / F / G / H

• D3-140I-D / E / F / G / H

• D3-150I-D / E / F / G / H

• D3-170A-G / H

• D3-170I-D / E / F / G / H

• D3-200A-D / G / H

• D3-200I-G / H

• D3-220A-G / H

• D3-220I-G / H

• HP Range: 110 HP - 220 HP

• Engine Type: D3 five-cylinder turbocharged marine diesel

• Year Range: D-, E-, F-, G- and H-generation application dependent

🔌 Function

Braces the heat exchanger and maintains the designed position of the cooler, hoses and mounting brackets.

Common signs of failure:

• Cracked or bent stay

• Heat-exchanger movement or vibration

• Coolant-hose chafing

• Repeatedly loosening mounting screws

• Cooler misalignment after service or impact

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging