Part of the Yanmar Parts Manuals.
Tracking down the right replacement components for your Yanmar diesel is simple with this 101-page 6LYA-STP, 6LYA-STE, 6LYA-UTE parts catalog pdf (OEM #0CR10-M45603EN). You get highly detailed exploded views covering the entire cylinder block, multiple turbocharger variations, and complex fuel injection systems. Inside, every single assembly breaks down into clear diagrams showing precise part numbers, hardware dimensions, and complete component relationships so you order exactly what broke. Cross-reference your instrument panel components and alternator brackets without second-guessing. Confirm you are requesting the exact 95x115x12 flywheel housing oil seal or replacing the 3.4 L sub tank with factory-correct part numbers. Stop wasting days waiting on the wrong shipments to arrive at the shop. Grab this natively bookmarked file, pull it up on your tablet right next to the engine, and get your parts list built today.
What's Inside This Yanmar 6LYA Series Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Clutch & Transmission | Clutch | |
| Fuel System | Suction Manifold & Air Cleaner, Lub. Oil Pipe & Nozzle, Fuel Injection Pump, Governor, Fuel Feed Pump, Fuel Injection Valve & Fuel Injection Pipe, Fuel Pipe & Fuel Strainer, Engine Stop Device | |
| Cooling System | Air Cooler, Lub.Oil Cooler & Lub.Oil Strainer, Cooling Fresh Water Pump & Thermostat, Cooling Sea Water Pump, Cooling Fresh Water Cooler & Sub Tank, Cooling Water Pipe, Cooling Fresh Water Pipe | |
| Engine | Cylinder Block, Flywheel Housing & Engine Bracket, Lub. Oil Sump & Lub. Oil Pump, Breather, Cylinder Head, Turbocharger & Exhaust Manifold, Turbocharger Component Parts, Camshaft & Crankshaft, Piston & Connecting Rod | |
| Electrical System | Generator, Wire Harness & Sensor, Turn Over Switch | |
| Hydraulics & 3-Point Hitch | Bilge Pump | |
| Body & Operator Station | Instrument Panel-B, Instrument Panel-C, Instrument Panel-E, Instrument Panel-E2, Instrument Panel-D | |
| Decals & Accessories | Tool & Label, Tool | |
| Other Components | Gear Housing, Lub. Oil Pipe, Remote Lub.Oil Strainer, Timer, Starting Motor |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Sub tank capacity | 3.4 L | p. 37 |
| Cylinder Head Gasket Thickness | 1.3 | p. 5 |
| Lub. Oil Sump O-Ring Diameter | 24.0 | p. 10 |
| Breather Steel Ball Diameter | 23/32 inch | p. 11 |
| Turbocharger Filter Diameter | 65 mm | p. 15 |
| Engine Stop Solenoid Voltage | 24V | p. 56 |
| Generator Output | 12V-80A | p. 61 |
| Standard Tool Spanner Size | 8X10 mm | p. 20 |
Yanmar 6LYA Series Common Problems This Manual Covers
Yanmar 6LYA-STP cylinder head valve assembly replacement parts needed after engine dropped a valve
Inspect the exploded view on page 12 to find the correct intake valve seat and exhaust valve part numbers. Verify the required head gasket thickness is 1.3 mm before ordering replacement components. Cross-reference the bonnet assembly to ensure proper fitment.
Manual Section: Cylinder Head p. 12Finding replacement cooling system seals and sub tank components for an engine experiencing frequent overheating
Review the cooling parts diagram on page 37 to identify the fresh water cooler and sub tank numbers. Verify the new tank matches the 3.4 L capacity specification. Order the corresponding seals and mounting brackets shown in the assembly diagram.
Manual Section: Cooling Fresh Water Cooler & Sub Tank p. 37Locating oil sump replacement components to address excessive oil consumption at higher operating RPMs
Examine the oil pan and pump exploded view on page 10. Locate the correct part number for the 24.0 mm diameter O-ring and sump gasket. Check the idle gear and oil inlet pipe part numbers to complete your rebuild order.
Manual Section: Lub. Oil Sump & Lub. Oil Pump p. 10Identifying correct stop device electrical components when the engine fails to shut down properly
Search the engine stop device components on page 56 for the exact solenoid part number. Confirm your system requires the 24V stop solenoid variant before ordering. Match the connecting pins, links, and relay brackets listed in the parts index.
Manual Section: Engine Stop Device p. 56Frequently Asked Questions
What do I get after purchasing this Yanmar 6LYA Series manual?
Immediate download of the complete 101-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print specific sections of this Yanmar 6LYA Series?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
![Yanmar B22-2 C(R)EP, B22-2 P(R)EP, B22-2 P[R], B22-2 C[R] exploded view diagram of the engine mount assembly components.](https://youfixthis.com/wp-content/uploads/2026/06/yanmar-b22-2-to-c-r-crawler-backhoe-parts-catalog-y00s3241-engine-parts-22-150x150.webp)
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