21532247 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

Main engine wiring harness for Volvo Penta D3 marine engines. It links the ECU, engine sensors, actuators, relay and fuse-holder connections using the original Bosch-style and Volvo connector housings. This current harness replaces earlier versions 21446505 and 21375785 used at the same catalogue position.

🚤 Compatibility

• Engine Family: D
• HP Range: 110-220 HP

Full model list at the end of this description.

⚙️ Key Features

• Genuine Volvo Penta D3 engine harness
• Current revision replacing 21446505 and 21375785
• Interfaces with ECU, sensors, relay and fuse-holder circuits
• Marine-grade sealed connectors and protective loom
• Direct replacement for the matching D3 D/E/F-series connector layout
• Engine type: 2.4-litre five-cylinder common-rail turbocharged marine diesel

🔌 Function

Distributes electrical power, ground and signal circuits between the engine ECU, sensors, actuators, relay and vessel interface.

⚠️ Common Signs of Failure

• Intermittent no-start or engine shutdown
• Multiple unrelated sensor fault codes
• Loss of ECU communication
• Corroded connector pins or water entry
• Chafed loom, broken conductors or heat-damaged wiring

🛠️ Service Notes

• Compare the new harness with the old one before fitting — check the connector types, the number of pins and the branch lengths, and lay it out alongside the old loom to confirm every branch reaches its component
• Disconnect the batteries before unplugging or fitting a harness, and support the loom as you work so its weight never hangs on a connector or a bulkhead grommet
• Route it along the original path and secure it with the original clips and ties, clear of hot exhaust surfaces, sharp edges and anything that moves; leave a service loop at each connector rather than pulling a branch tight
• Push every connector home until the lock latches and protect the joints with a marine dielectric grease — an intermittent electrical fault is far more often a partly seated or salt-corroded pin than a broken wire
• Renewing the harness is the right repair where insulation is chafed, brittle or oil-soaked, or where corrosion has tracked inside the connector bodies; patch repairs in a damp engine bay tend to fail again, and any single conductor that is repaired should be joined with tinned marine cable of the same gauge, a proper crimp and adhesive-lined heat-shrink

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21532247 → Supersedes 21446505 → Supersedes 21375785

OEM / Related Numbers

• 21446505 earlier number superseded by this part
• 21375785 earlier number superseded by this part
• Receptacle housings include 9469830, 874455, 874456 and 8622455

Other-Brand OEM Numbers

• VOE21532247
• VOE21446505
• VOE21375785

Aftermarket / Verified Equivalents

• Associated relay: 21400091

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D3-140A-D, D3-170A-D, D3-200A-D, D3-220A-D, D3-140I-D, D3-140A-E, D3-170A-E, D3-200A-E, D3-220A-E, D3-140I-E, D3-140A-F, D3-170A-F, D3-200A-F, D3-220A-F, D3-140I-F, D3-110I-D, D3-150I-D, D3-170I-D, D3-200I-D, D3-220I-D, D3-110I-E, D3-150I-E, D3-170I-E, D3-200I-E, D3-220I-E, D3-110I-F, D3-150I-F, D3-170I-F, D3-200I-F, D3-220I-F