✅ Compatibility

• Make: Yanmar
• Voltage: 24V (heavy-duty marine / industrial electrical system)
• Application: Yanmar H-series and K-series large marine and industrial diesel engines
• OEM / Cross Reference Part Numbers:
  • Yanmar: 126650-77041 (12665077041)
  • Yanmar: 126650-77031 (12665077031)
  • Yanmar: 03616020011, 03616020012
• Fits Yanmar 4-Cylinder H-Series Large Marine / Industrial Engines:
  • Yanmar 4HAL2 — 4-cylinder large marine / industrial diesel
  • Yanmar 4HD30A — 4-cylinder large marine / industrial diesel
  • Yanmar 4HD35 — 4-cylinder large marine / industrial diesel
  • Yanmar 4HD35A — 4-cylinder large marine / industrial diesel (A variant)
• Fits Yanmar 6-Cylinder H-Series and K-Series Large Marine / Industrial Engines:
  • Yanmar 6HA2M — 6-cylinder large marine diesel
  • Yanmar 6HAL2 — 6-cylinder large marine diesel (AL2 variant)
  • Yanmar 6HY — 6-cylinder turbocharged large marine diesel
  • Yanmar 6HYM — 6-cylinder turbocharged intercooled large marine diesel (flagship H-series)
  • Yanmar 6KXZ — 6-cylinder large displacement marine / industrial diesel
• ⚠️ Marine / Industrial Application — 24V System — Verify Before Ordering: This is a 24V starter motor for Yanmar’s large H-series and K-series marine and industrial diesel engines. Do NOT use on 12V systems. Verify your engine model code, serial number, system voltage (24V), and existing starter part number before ordering. Contact us for fitment confirmation.

🔧 Product Highlights

• Direct OEM Replacement — Yanmar 126650-77041 24V Heavy-Duty Marine Starter: Drop-in fit for all compatible Yanmar H-series (4HAL2, 4HD30A, 4HD35, 4HD35A, 6HA2M, 6HAL2, 6HY, 6HYM) and K-series (6KXZ) large marine and industrial diesel engine applications — matching original Yanmar 24V starter specifications for reliable heavy-duty starting on Yanmar’s flagship large engine platforms
• 24V Heavy-Duty Marine Starting System — Purpose-Built for Large Diesel Engine Cranking Demands: Unlike the 12V starters used on compact equipment and light-duty tractors, this 24V starter is engineered for the high-compression cranking demands of Yanmar’s large 4-cylinder and 6-cylinder H-series and K-series marine diesel engines. The 24V electrical system provides the higher cranking torque and current capacity required to reliably start large-displacement marine diesels in all sea conditions
• 6 OEM Part Numbers Across 4 Formats — Yanmar Marine and Industrial Catalog Coverage: Cross-references 6 Yanmar OEM part numbers across hyphenated (126650-77041) and continuous (12665077041) formats as well as two additional Yanmar catalog references (03616020011 / 03616020012) — ensuring correct identification across Yanmar marine dealer, industrial distributor, and aftermarket parts channels globally
• Yanmar H-Series — Yanmar’s Flagship Large High-Performance Marine Diesel Engine Family: The Yanmar H-series (4HA, 4HD, 6HA, 6HAL, 6HY, 6HYM) represents Yanmar’s flagship large marine diesel engine lineup — powering commercial fishing vessels, large sport fishing yachts, patrol boats, workboats, and high-performance motor yachts requiring substantial power output and exceptional marine reliability. The 6HYM in particular is one of Yanmar’s most powerful and respected high-performance marine diesel engines
• Yanmar 6KXZ — Yanmar’s High-Displacement Industrial and Marine Diesel for Generator Sets and Workboats: The Yanmar 6KXZ is a large-displacement 6-cylinder diesel engine used in heavy-duty industrial generator sets, workboats, and marine auxiliary power applications — demanding the highest reliability in continuous-duty and standby power generation environments where starter motor performance is mission-critical
• 24V Marine Starter Failure — A Critical Safety and Operational Emergency at Sea: A failed 24V starter motor on a Yanmar H-series or K-series marine diesel is a critical operational emergency — a no-start on a commercial fishing vessel, patrol boat, or large motor yacht at sea represents a serious safety situation. Immediate replacement with a quality aftermarket starter restores engine start reliability and vessel operational safety

📦 What's Included

• 1× Starter Motor 24V — New Aftermarket (Yanmar 126650-77041 / 126650-77031)

🔑 Key Specs

• Yanmar Part Numbers: 126650-77041 / 12665077041 — 126650-77031 / 12665077031 — 03616020011 — 03616020012
• Voltage: 24V (heavy-duty marine / industrial — NOT compatible with 12V systems)
• Compatible Engines: Yanmar 4HAL2 / 4HD30A / 4HD35 / 4HD35A (4-cylinder H-series) — Yanmar 6HA2M / 6HAL2 / 6HY / 6HYM (6-cylinder H-series) — Yanmar 6KXZ (K-series)
• Application: Large marine diesel — commercial fishing / sport fishing yacht / patrol boat / workboat / motor yacht / industrial generator set
• Condition: New Aftermarket
• SKU: 126650-77041

⚠️ IMPORTANT: This is a 24V starter motor. Do NOT install on a 12V electrical system. Please verify your Yanmar engine model code (4HAL2 / 4HD35 / 6HA2M / 6HAL2 / 6HY / 6HYM / 6KXZ), serial number, and system voltage before purchasing. Contact us if unsure — we are happy to confirm fitment for your Yanmar H-series or K-series marine engine.