Volvo Penta D3 Starter Motor 30782228 | OEM 12V 2.2kW Marine Diesel

Part Information

• Part Number: 30782228
• Brand: Volvo Penta
• Official Product Type: Starter Motor — Complete Assembly
• Supersedes: 3848965, 3801204, 3803646
• Replaced By: No current supersession on record
• Diagram Position: Item / Key 1 — Starter Motor Assembly (D3 Starting System schematic)

Specifications

• Voltage: 12V
• Output: 2.2 kW
• Pinion Teeth: 9
• Rotation: Clockwise
• Terminal: M8 B+
• Fitting Edge: 76.2 mm
• Mounting: 3-hole flange
• Supplied as: Complete starter motor assembly

Overview

The Volvo Penta 30782228 is the genuine OEM starter motor for Volvo Penta D3 marine diesel engines, used across the full D3 production range from generation D through H. It is a 12V, 2.2 kW unit with a 9-tooth clockwise-rotation pinion and three-hole flange mounting, and is identified as the complete starter assembly in Volvo Penta D3 starting system diagrams. This starter supersedes earlier references 3848965, 3801204, and 3803646.

Compatible Applications

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

Coverage spans D3 generations D through H. Always confirm your complete engine model, generation suffix, and serial number against the Volvo Penta starting system diagram before ordering. Starter fitment can vary by engine variant, wiring layout, and mounting arrangement.

Serial Number Requirements

Verify fitment by engine model, generation suffix, and serial number using the Volvo Penta D3 starting system parts diagram. Starter motors are sensitive to mounting pattern, wiring configuration, and pinion specification — confirming by serial number is the most reliable way to ensure correct fitment.

System

Electrical System — Engine Starting / Starter Motor Assembly

Related Parts — D3 Starting System

The following components are shown in the D3 starting system diagram and should be inspected during starter replacement:

• Cable Kit — 21319579
• Wiring Harness Kit — 21923306
• Housing / Insulator — 874960
• Hex Nut — 983714
• Hex Nut — 983715
• Flange Screw — 990862

Dimensions & Weight

• Weight: Approximately 4.16 kg
• Fitting Edge: 76.2 mm
• Full dimensional specifications available via Volvo Penta D3 starting system parts diagram

When This Part Needs Replacement

Replace the starter motor when the engine exhibits any of the following:

• Starter fails to crank the engine
• Slow or intermittent cranking with a known-good battery
• Solenoid clicks without engaging the pinion
• Grinding or abnormal noise during starting
• Excessive pinion or internal wear confirmed during inspection
• Electrical testing confirms starter motor failure

Always check battery condition, main cables, and engine grounds before replacing the starter — these are common causes of starting problems that can mimic starter failure.

Technical FAQ

Q: What superseded part numbers does 30782228 replace?
A: 30782228 supersedes earlier Volvo Penta references 3848965, 3801204, and 3803646. Always order by the current active OEM number to ensure you receive the updated assembly.

Q: How do I confirm this starter fits my D3 engine?
A: Match your engine model, generation suffix (e.g., D3-170I-H), and serial number to the Volvo Penta D3 starting system diagram. Key specifications to verify are voltage (12V), output (2.2 kW), pinion tooth count (9), rotation (clockwise), and mounting pattern (3-hole, 76.2 mm fitting edge).

Q: Should I inspect the ring gear when replacing the starter?
A: Yes — with the starter removed, inspect the flywheel ring gear for worn or damaged teeth. A damaged ring gear can cause premature starter failure and should be addressed before installing the new unit.

Q: What else should I check during starter replacement?
A: Inspect battery cables, grounds, the ignition/start circuit, and the cable kit (21319579). Corroded or undersized cables are a common cause of starter problems and should be addressed at the same time.

Parts Desk Insights

Starter motor calls on D3 engines are usually straightforward once the battery and cables have been ruled out — those are the first things to check before condemning the starter. When the starter does need replacement, it’s worth inspecting the flywheel ring gear and the cable kit at the same time. Ring gear damage is easy to miss and will take out a new starter quickly. The key specs to confirm fitment are 12V, 2.2 kW, 9-tooth pinion, clockwise rotation, and the 76.2 mm fitting edge — a starter that looks similar but differs on any of these points won’t work correctly in this application.