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Yanmar 4-Stroke 130HP Marine Engine Parts

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This page supports Yanmar 4‑Stroke 130HP marine engines, helping you find compatible parts and service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Yanmar collection. Scroll to the bottom of this page to start browsing parts specific to this engine, and remember you can use the collection’s “Filter & Sort” controls to narrow results by horsepower, year range, and part category/section.

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How to Identify Your 130HP Model

  • Nameplate/serial plate: typically on the starboard side of the cylinder block or rocker cover. Also check the marine gearbox or saildrive tag (if equipped) for its own ID.
  • Model code & suffix: Yanmar codes often include base family plus a suffix (e.g., E = naturally aspirated, TE/TCE = turbo variants). A build list or CE/CE1 type tag may indicate configuration changes or option packages.
  • Platform cues: 4‑stroke mechanical‑injection inline‑4. Turbo variants (TE/TCE) use a turbocharger and charge plumbing; NA versions do not.
  • Cooling layout: most installations are heat‑exchanger cooled with a raw‑water pump feeding the heat exchanger. Look for a sea strainer and raw‑water pump on the front/side of the engine.

Engine Platform Overview

Inline‑4 Mechanical‑Injection (Naturally Aspirated)

Feature Description
Configuration Inline‑4, 4‑stroke diesel, mechanical fuel injection, heat‑exchanger cooled (raw‑water pump driven).
Common Models Examples include 4JH3E and related 4JH3 family naturally aspirated variants.
Advantages Simple, robust mechanical systems; strong mid‑range torque; straightforward service access.
Notes Filters, belts, anodes, and gasket sets may vary by serial/build list; confirm from the engine nameplate.

Inline‑4 Mechanical‑Injection (Turbocharged)

Feature Description
Configuration Inline‑4, 4‑stroke diesel with turbocharger (e.g., 4JH3‑TE/TCE); mechanical injection.
Common Models Examples include 4JH3‑TE and 4JH3‑TCE marine engines.
Advantages Higher power density; good efficiency at cruise; proven parts availability for service items.
Notes Turbo plumbing, elbow, and cooler parts are model‑specific; match parts to your exact suffix and serial.

Routine Maintenance & Service Parts

Intervals below are typical guidelines for marine diesels; always follow your official Yanmar service manual and adjust for hours, environment, and duty cycle.

Item Interval* Remarks Parts Link
Engine oil & filter Every 100 hours or annually Warm engine, change oil and filter together; use marine‑rated diesel oil. Yanmar Oil Filters
Fuel filter / water separator 100 hours or at first sign of restriction Drain water bowl frequently; replace elements at service. Yanmar Fuel Filters
Raw‑water impeller (pump kit) Inspect each season; replace 1–2 years Replace sooner if overheat/weak tell‑tale is observed. Water Pump Impeller Rebuild Kits
Anodes (engine/heat‑exchanger/saildrive) Quarterly inspection; replace as needed High‑salinity or stray‑current marinas may require more frequent checks. Anodes
Thermostat & gaskets Every 2 years Replace if running cold/overheating is suspected; renew sealing gaskets. Yanmar Gaskets
Drive belts (alternator/raw‑water pump) Inspect 100–200 hours Check tension and cracking; replace if glazed or frayed. Belts
Coolant (closed loop) Every 2 years Use marine‑approved coolant; flush if contaminated. Yanmar Service & Maintenance Kits
Saildrive/gearbox oil (if equipped) 100 hours or annually Monitor for water intrusion (milky oil) and metal debris. Service & Maintenance Kits

Frequently Used Parts Categories

Common Symptoms & Quick Checks

Symptom Check First Related Parts
Weak water stream / overheat alarm Inspect sea strainer, intake seacock, raw‑water impeller, and thermostat function. Water pump impeller kit, cover plate & gasket, thermostat, hoses/clamps.
Poor acceleration / power loss Replace fuel filters, check for air leaks, verify turbo hoses/elbow are clear; inspect prop fouling. Fuel filter elements, turbo elbow/hoses, exhaust elbow, anodes (corrosion control).
Hard starting / rough idle (diesel) Verify preheat/air‑heater operation, battery condition and cables, lift pump output, and injector spray pattern (bench‑tested). Air‑intake heater element, fuel filters, starter, injector service parts.
Transmission/saildrive noise or milky oil Check oil level/condition; look for water intrusion, worn seals, or prop/shaft alignment issues. Service gaskets/seals, anodes, gear oil service kit.

FAQs

Are parts interchangeable between different years or 4JH3 variants?

Many routine items (filters, belts, anodes) are shared, but turbo hardware, cooling layouts, and gasket sets can differ by suffix (E vs. TE/TCE) and by serial/build list. Always confirm from the engine nameplate before ordering.

When should the raw‑water impeller be replaced?

Inspect every season and replace every 1–2 years, or immediately if you see overheating, a weak discharge stream, or missing impeller vanes during service.

How often should gear oil be changed?

For saildrives or marine gearboxes, change oil at 100 hours or annually unless your gearbox maker specifies otherwise. If oil appears milky or metallic, service immediately and investigate seals and alignment.

What information helps confirm compatibility?

Provide the complete model designation (e.g., 4JH3‑TE), serial number, and any build list/option tags, plus photos of the nameplate and the part to be replaced. This ensures the correct filter, gasket set, elbow, or turbo component is selected.

Ready to find parts by horsepower, year, and model? Browse the main Yanmar collection and use Filter & Sort to narrow results for your 130HP diesel.

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If you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.
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