Need the factory part numbers for your Yanmar 3TNV88-XBV engine? This 34-page parts catalog (OEM #Y00B7200) breaks down the entire powerplant into 16 systems, from cylinder block and gear housing through crankshaft and piston assemblies, fuel injection pump, fuel injection valve, starting motor, and generator. Inside: detailed exploded views for every assembly, plus numbered component lists covering camshaft and driving gear, the lubrication oil system, cooling water circuit, fuel line, and a dedicated gasket set section cataloging every O-ring, stem seal, and non-asbestos gasket by OEM part number. The drain plug runs M22; main bearing undersizes are listed at 0.25 mm, so you order the right part on the first call. No more showing up at the counter with the wrong number. Bookmarked by system; jump to any assembly, pull the part number, and place your order.
What's Inside This Yanmar 3TNV88-XBV Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Engine 3TNV88-Xbv | 1 | - |
| Cylinder Block | 2-3 | Plug, Bolt Metal Cap, Bush Camshaft, Main Bearing Set, Metal Thrust, Stud Cyl. Head |
| Gear Housing | 4-5 | Plug, Seal Oil, Cover Assy Pump, Valve Relief, Frange Gear Case, Rotor |
| Flywheel Housing & Oil Sump | 6-7 | Parallel Pin, Housing Flywheel, Cap Flywheel Cover, Sump Assy LUB.OIL, D |
| Cylinder Head & Bonnet | 8-9 | Lifter, Engine, Bolt M 8X 14 Plated, Shaft Assy, Rocker, Shaft, Rocker Arm, Support |
| Suction Manifold | 10-11 | Pipe, Breather, Clamp 24, Manifold, Intake, Gasket, Int. Manifold, Bolt M 8X 20 Plated |
| Exhaust Manifold | 12-13 | Manifold, Exhaust, Gasket, Exh.Manifold, Bolt M 8X 22, Bolt 8X80, Stud Bolt M 8X 80, Nut |
| Camshaft & Driving Gear | 14-15 | Tappet, Rod, Push, Camshaft Assy, Metal, Thrust (Cam), Gear, Camshaft |
| Crankshaft & Piston | 16-17 | Crankshaft Assy, V-Pulley, Crankshaft, Flywheel Assy, Piston Assy, Ring Set, Piston, Rod Assy |
| Lub. Oil System | 18-19 | Dipstick, LUB.OIL, Guide, Pipe Assy, Lub. Oil, Cooler Assy, Oil |
| Cooling Water System | 20-21 | Pump Assy, Water, V-Pulley, Fan, Cooling, Thermostat, Cover |
| Fuel Injection Pump | 22-23 | Pump Assy, F.Inject, Bracket, Pump, Bolt M 8X 16 Plated, Bolt M 8X 20 Plated, Refer To Fig. 1 |
| Fuel Injection Valve | 24-25 | Fuel Injector (Wbc), Nozzle Cmp, Nut, Nozzle Case, Holder Assy, Nozzle, Spring, Seat |
| Fuel Line | 26-27 | Bracket, Filter, Fuel, Bolt M 8X 30 Plated, Pipe Assy, Clamp 12, Pipe, Fuel Oil |
| Starting Motor | 28-29 | Armatuer, Bearing (1), Bearing (2), Field Coil Assy, Brush, Holder Assy, Spring |
| Generator | 30-31 | Adjuster, Belt, Nut, Rotor Assy, Ball Bearing, Cover, Bearing |
| Gasket Set & Tools | 32-34 | Gasket Set (Non-Asb.), O-Ring, F.I.PUMP, Seal, Valve Stem, Gasket, Bonnet |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main Metal Undersize | 0.25 | p. 2 |
| Thrust Metal Undersize | 0.25 | p. 2 |
| Pipe, Knock Length | 18 | p. 4 |
| O-RING 1A P-32.0 Size | 32.0 | p. 4 |
| Drain Plug Size | M22 | p. 6 |
| Nut Thread Specification | M8XP1.0 | p. 8 |
| Key Size | 7X 14 | p. 14 |
| Piston Pin Diameter | D26 | p. 16 |
| Piston Pin Length | L70 | p. 16 |
| Piston w/Ring Oversize | 0.25 | p. 16 |
| Switch Pressure/Weight | 0.5KG | p. 18 |
| V-Pulley Diameter | 120 | p. 20 |
Yanmar 3TNV88-XBV Common Problems This Manual Covers
Need oversize piston rings for Yanmar 3TNV88-XBV rebuild due to excessive smoke and loss of compression p. 16
Check the exploded parts diagram on page 16 to find the correct components. Verify the ring set part number for the Piston w/Ring Oversize 0.25 option. Cross-reference the piston pin diameter D26 with your existing connecting rods before ordering the complete piston assembly to ensure exact fitment.
Manual Section: Crankshaft & PistonCannot locate the correct cylinder head gasket replacement kit for coolant loss and combustion gas contamination p. 32
Check the gasket set non-asbestos listings on page 32 to identify the required sealing components. Inspect the bonnet gasket and valve stem seals in the parts list. Verify the M8XP1.0 nut thread specification for the cylinder head studs on page 8 to ensure you order the correct matching hardware.
Manual Section: Gasket Set & ToolsSearching for the exact oil pressure switch part number after intermittent low pressure warnings and erratic gauge readings p. 18
Inspect the lubrication oil system parts breakdown on page 18 to find the correct sensor. Locate the oil pressure switch rated for 0.5KG switch pressure weight. Match the switch part number with the corresponding pipe assembly and dipstick guide to confirm proper fitment before requesting the replacement part.
Manual Section: Lub. Oil SystemTrying to identify the correct front gear case oil seal to fix a severe continuous timing cover leak p. 4
Check the gear housing exploded diagram on page 4 to find the exact replacement numbers. Locate the oil seal and relief valve in the parts list. Verify the O-RING 1A P-32.0 size value is exactly 32.0 before ordering the matching flange gear case components for your repair.
Manual Section: Gear HousingFrequently Asked Questions
What are the replacement specifications for fuel filter?
The replacement specification for the fuel filter is identified by part number 119802-55800. This part is listed as "FILTER, FUEL" in the manual.
What are the replacement specifications for injector / fuel injection components?
The replacement specification for the Fuel Injection Pump Assembly is part number 729242-51310. For the Fuel Injector, the part number is 729245-53100.
How do you fix need oversize piston rings for Yanmar 3TNV88-XBV rebuild due to excessive smoke and loss of compression?
Check the exploded parts diagram on page 16 to find the correct components. Verify the ring set part number for the Piston w/Ring Oversize 0.25 option. Cross-reference the piston pin diameter D26 with your existing connecting rods before ordering the complete piston assembly to ensure exact fitment.
How do you fix cannot locate the correct cylinder head gasket replacement kit for coolant loss and combustion gas contamination?
Check the gasket set non-asbestos listings on page 32 to identify the required sealing components. Inspect the bonnet gasket and valve stem seals in the parts list. Verify the M8XP1.0 nut thread specification for the cylinder head studs on page 8 to ensure you order the correct matching hardware.
Is this Yanmar 3TNV88-XBV Parts Catalog a digital download?
This is a 34-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Can I print this manual?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Document Quality
This document is a mixed PDF, featuring both native digital text and scanned image pages with an OCR layer. You can search and copy text from all pages, and the text quality is consistently crisp and easy to read. Diagrams are raster images, but they are clean, sharp, and all labels are clearly readable. The pages are clean with no scan artifacts, stains, or skewed content, and there are no notable blank or filler pages.
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