21433378 Tool | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D3 Fuel Pressure and Vacuum Test Adapter Nipple - Part Number: 21433378

Genuine Volvo Penta workshop test adapter used when measuring fuel return pressure and fuel-supply vacuum on specified D3 marine diesel engines. The nipple connects the approved test hose and manometer to the fuel system so restrictions, return-pressure faults and fuel-delivery problems can be diagnosed without modifying the production fuel lines.

⚙️ Key Features

• Genuine Volvo Penta special-service test adapter

• Used for D3 fuel return-pressure and supply-vacuum diagnosis

• Connects to Volvo Penta test hose 9998493 and the specified manometers

• Supports workshop procedures in manual group 21-26 for D3-D through D3-H engines

• Reusable diagnostic tool; inspect threads and sealing faces before every test

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21433378 - Current listed Volvo Penta workshop-tool reference

OEM / Related Numbers:

• 9998493 - Test hose

• 9996398 - 0-1 bar manometer for fuel return-pressure measurement

• 9990150 - Vacuum manometer for fuel-supply restriction measurement

• 47702022 - Applicable Volvo Penta workshop-manual family

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🧰 Workshop Use Notes

• Use only with the correct hose, gauge range and Volvo Penta workshop procedure

• Fuel return pressure is checked with the 0-1 bar manometer

• Fuel-supply vacuum is checked with the approved vacuum manometer

• Replace damaged sealing components and never use an adapter with deformed threads

• Clean and cap the adapter after use to prevent contamination of the fuel system

🚤 Compatibility

Commonly used on:

• Volvo Penta D3 marine diesel fuel-system workshop diagnosis

Typically suits:

• Engine / drive models:

• D3-110I-D

• D3-110I-E

• D3-110I-F

• D3-140I-E

• D3-140I-F

• D3-150I-D

• D3-150I-E

• D3-150I-F

• D3-170I-D

• D3-170I-E

• D3-170I-F

• D3-200I-D

• D3-200I-E

• D3-200I-F

• D3-220I-D

• D3-220I-E

• D3-220I-F

• D3-140A-D

• D3-140A-E

• D3-140A-F

• D3-170A-D

• D3-170A-E

• D3-170A-F

• D3-200A-D

• D3-200A-E

• D3-200A-F

• D3-220A-D

• D3-220A-E

• D3-220A-F

• D3-G and D3-H configurations covered by the applicable workshop procedure and engine product number

• HP Range: 110 hp - 220 hp for the listed D3-D, D3-E and D3-F engines; later D3-G/H use is procedure controlled

• Engine Type: Volvo Penta D3 inline five-cylinder common-rail marine diesel

• Year Range: D3-D through D3-H workshop-manual generations

🔌 Function

Provides a sealed temporary connection between the engine fuel circuit and approved pressure or vacuum test equipment. It allows the technician to quantify fuel return pressure and supply restriction when diagnosing hard starting, fuel starvation, air entry or fuel-system restriction.

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging