The Yanmar 4TNV88 engine line groups 5 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 129601-12510 | Air Cleaner | Air filter |
| 24-28501 | Air filter | Air filter |
| 24-28502 | Air filter element (inner) | Air filter |
| 129001-02930 | Main Bearing Std | Bearing |
| 119831-42290 | Drive Belt | Belt |
| 119802-25901 | Gear, Injection Pump Drive | Fuel pump |
| 729647-51390 | Injection Pump Assembly with 12 volt soleniod | Fuel pump |
| 124160-11360 | Gasket | Gasket |
| 124395-49840 | Gasket | Gasket |
| 124465-44950 | Gasket | Gasket |
| 129100-42051 | Gasket | Gasket |
| 129100-77510 | Gasket | Gasket |
| 129150-32020 | Gasket | Gasket |
| 129150-35041 | Gasket | Gasket |
| 129150-35042 | Gasket | Gasket |
| 129150-35111 | Gasket | Gasket |
| 129150-49811 | Gasket | Gasket |
| 129150-77511 | Gasket | Gasket |
| 129407-01340 | Cylinder Head Gasket | Gasket |
| 129407-12110 | Gasket | Gasket |
| 129486-42021 | Gasket | Gasket |
| 129550-13110 | Gasket | Gasket |
| 129601-11310 | Gasket | Gasket |
| 129795-49551 | Gasket | Gasket |
| 129930-13200 | Gasket | Gasket |
| 129930-13201 | Gasket, Silencer | Gasket |
| 23414-080000 | GASKET 8, ROUND | Gasket |
| 927770-01212 | Liquid Gasket | Gasket |
| 977770-01212 | Liquid Gasket | Gasket |
| 129008-77800 | Plug, Glow | Glow plug |
| 119940-59130 | Tube, Corrugated | Hose |
| 124722-59050 | CLAMP, HOSE 9 | Hose |
| 129005-03080 | Pipe, Breather | Hose |
| 129601-03080 | Hose (includes key #13) | Hose |
| 129642-12550 | Intake Hose | Hose |
| 171420-49010 | Hose, Radiator Inlet | Hose |
| 171420-49020 | Hose, Radiator Outlet | Hose |
| 19-00016 | Hose Clamp #16 | Hose |
| 23000-060000 | Hose Clamp | Hose |
| 23000-080000 | Hose Clamp | Hose |
| 36-77300 | Oil Drain Valve with 5/8" Hose Barb | Hose |
| 119625-11880 | SEAT, NOZZLE | Injector |
| 119802-11870 | PROTECTOR, NOZZLE | Injector |
| 120270-54410 | Washer | Injector |
| 729595-51390 | FUEL INJECTION PUMP | Injector |
| 729595-51391 | FUEL INJECTION PUMP | Injector |
| 119005-35151 | Filter, D80X100L | Oil filter |
| 24-07301 | Filter | Oil filter |
| 00-70075 | Label, “Northern Lights” | Service part / kit |
| 114250-39450 | SWITCH, HYDRAULIC | Service part / kit |
| 119131-18320 | STUD, M8X22 | Service part / kit |
| 119620-01750 | Plug | Service part / kit |
| 119640-01640 | Drain Plug M22 x 1.5 | Service part / kit |
| 119653-77950 | SOLENOID, STOP | Service part / kit |
| 119802-01520 | FLANGE, GEAR CASE | Service part / kit |
| 119802-01560 | Stud, M8 x 25 | Service part / kit |
| 119802-03110 | Breather Plate | Service part / kit |
| 119802-03121 | Breather Cover | Service part / kit |
| 119802-03130 | Diaphragm | Service part / kit |
| 119802-03141 | Breather Spring | Service part / kit |
| 119802-11260 | Rocker Arm Support | Service part / kit |
| 119802-11270 | Rocker Arm Support | Service part / kit |
| 119802-21202 | Crankshaft Gear | Service part / kit |
| 119802-21660 | Crankshaft Pulley | Service part / kit |
| 119802-25051 | Idle Gear Shaft | Service part / kit |
| 119802-25070 | Bushing | Service part / kit |
| 119802-25100 | Idle Gear (Includes key #10) | Service part / kit |
| 119802-32100 | COVER ASSY, PUMP | Service part / kit |
| 119802-32111 | Inner Rotor | Service part / kit |
| 119802-32120 | Outer Rotor | Service part / kit |
| 119802-32130 | SCREW, M6X16 | Service part / kit |
| 119802-35100 | Bracket | Service part / kit |
| 119802-35110 | Bracket | Service part / kit |
| 119802-39450 | Oil Pipe | Service part / kit |
| 119802-49113 | Joint | Service part / kit |
| 119802-49730 | Clamp | Service part / kit |
| 119808-12530 | Cover Assembly | Service part / kit |
| 119808-12540 | Valve | Service part / kit |
| 12-00711 | Capscrew, Hex Head M8 x 1.25 x 20 mm | Service part / kit |
| 12-00751 | Capscrew, Hex Head M8 x 1.25 x 16 mm | Service part / kit |
| 121023-01550 | Cover | Service part / kit |
| 121111-21501 | Bolt | Service part / kit |
| 121267-44760 | Spacer | Service part / kit |
| 121520-34810 | Dipstick Guide | Service part / kit |
| 121550-23200 | Connecting Rod Bolt | Service part / kit |
| 121850-21680 | Bolt | Service part / kit |
| 121850-42410 | Screw | Service part / kit |
| 121855-13821 | Spacer | Service part / kit |
| 121855-13830 | Spacer | Service part / kit |
| 122710-51050 | BEARING, ROLLER | Service part / kit |
| 123500-13840 | Spacer | Service part / kit |
| 123900-13610 | Stud, M8 x 80 | Service part / kit |
| 123900-13630 | Bolt, M8 x 80 | Service part / kit |
| 123925-13600 | Tail Pipe | Service part / kit |
| 124060-01050 | PLUG, PT1/8 | Service part / kit |
| 124160-01751 | CAP, FILLER | Service part / kit |
| 124160-01910 | PLUG, PT1/4 | Service part / kit |
| 124160-39140 | Banjo Bolt | Service part / kit |
| 124240-01871 | Cover | Service part / kit |
| 124410-03990 | Clamp | Service part / kit |
| 124550-21600 | Ring Gear (127 Teeth) | Service part / kit |
| 128300-13640 | Rain Cap | Service part / kit |
| 129001-01250 | PLUG, 50 | Service part / kit |
| 129001-02931 | BEARING, MAIN | Service part / kit |
| 129001-32330 | PLUG | Service part / kit |
| 129001-91841 | Bolt, M8 x 85 | Service part / kit |
| 129004-01190 | Spacer | Service part / kit |
| 129004-03010 | Baffl e Plate | Service part / kit |
| 129004-11100 | Intake Valve | Service part / kit |
| 129004-11650 | Rocker Arm Assembly (Includes keys #26 - 27) | Service part / kit |
| 129004-11900 | Retainer | Service part / kit |
| 129004-34801 | Dipstick | Service part / kit |
| 129004-42040 | Joint | Service part / kit |
| 129004-49610 | Pipe Assembly (includes keys #29 -31) | Service part / kit |
| 129004-49620 | Pipe Assembly | Service part / kit |
| 129004-49711 | Pipe Assembly | Service part / kit |
| 129004-49721 | Water Pipe | Service part / kit |
| 129005-22080 | Piston with Rings, Standard | Service part / kit |
| 129005-22500 | Piston Ring Set, Standard | Service part / kit |
| 129005-22900 | Oversized piston 0.25 mm, 3/4TNV88 | Service part / kit |
| 129005-22950 | Piston Ring Set, Over-sized 0.25 mm | Service part / kit |
| 129005-59830 | Bolt | Service part / kit |
| 129100-01580 | PIN, PARALLEL 8X16 | Service part / kit |
| 129100-11110 | Exhaust Valve | Service part / kit |
| 129100-23910 | Piston Pin Bush | Service part / kit |
| 129100-35140 | Stud | Service part / kit |
| 129100-42121 | Plate | Service part / kit |
| 129120-77501 | Air Heater | Service part / kit |
| 129150-01200 | Cylinder Head Bolt | Service part / kit |
| 129150-02020 | Bearing Cap Bolt | Service part / kit |
| 129150-02450 | METAL, THRUST | Service part / kit |
| 129150-02870 | Main Bearing, Under-sized 0.25 mm | Service part / kit |
| 129150-02871 | BEARING, 0.25 US | Service part / kit |
| 129150-02930 | Thrust Bearing, Standard | Service part / kit |
| 129150-02931 | BEARING, THRUST | Service part / kit |
| 129150-02940 | Oversized thrust metal assy 0.25 DS, TNV84~88 | Service part / kit |
| 129150-02941 | BEARING, THRUST 0.25 | Service part / kit |
| 129150-03070 | Breather Baffle | Service part / kit |
| 129150-11230 | Valve Screw | Service part / kit |
| 129150-11280 | Spring | Service part / kit |
| 129150-11370 | Valve Cap | Service part / kit |
| 129150-11750 | Nut, M8 x 1.0 | Service part / kit |
| 129150-11810 | Valve Guide, Exhaust | Service part / kit |
| 129150-14101 | Camshaft Gear | Service part / kit |
| 129150-14200 | Tappet | Service part / kit |
| 129150-14400 | Push Rod | Service part / kit |
| 129150-23600 | Bearing, Standard | Service part / kit |
| 129150-23610 | Bearing, Under-sized 0.25 mm | Service part / kit |
| 129150-25301 | Bolt | Service part / kit |
| 129155-42350 | Pulley | Service part / kit |
| 129202-22300 | Piston Pin | Service part / kit |
| 129400-01730 | Oil Sump Spacer | Service part / kit |
| 129400-01770 | Oil Sump Assembly | Service part / kit |
| 129418-32320 | SPRING | Service part / kit |
| 129420-44560 | Fan Guard | Service part / kit |
| 129436-35091 | Oil Pipe | Service part / kit |
| 129470-51040 | CAMSHAFT | Service part / kit |
| 129470-51060 | RETAINER | Service part / kit |
| 129486-01670 | BOLT, M8X30 | Service part / kit |
| 129508-12560 | Bracket | Service part / kit |
| 129601-11241 | Rocker Arm Shaft Assembly (Includes keys #20 - 30) | Service part / kit |
| 129601-11251 | Rocker Arm Shaft | Service part / kit |
| 129601-11350 | Rocker Arm Cover Assembly (Includes keys #33 - 43 & #46 - 48) | Service part / kit |
| 129601-11700 | Cylinder Head Assembly (Includes keys #1 - 13) | Service part / kit |
| 129601-12100 | Intake Manifold | Service part / kit |
| 129601-13109 | Exhaust Manifold | Service part / kit |
| 129601-13550 | Silencer (includes keys 9 - 17) | Service part / kit |
| 129601-21002 | Crankshaft Assembly | Service part / kit |
| 129612-44700 | Cooling Fan | Service part / kit |
| 129795-02411 | Camshaft Bush | Service part / kit |
| 129795-02412 | BUSH, CAMSHAFT | Service part / kit |
| 129795-11120 | Valve Spring | Service part / kit |
| 129795-11180 | Spring Retainer | Service part / kit |
| 129795-21661 | Washer | Service part / kit |
| 129900-07900 | Lifting Eye | Service part / kit |
| 129900-32130 | Relief Valve | Service part / kit |
| 129907-01950 | Bracket | Service part / kit |
| 129907-01960 | Bracket | Service part / kit |
| 129916-49740 | Drain Plug | Service part / kit |
| 14-04802 | Hex Nut, Nylock M8 x 1.25 | Service part / kit |
| 15-00701 | Flat Washer M8 | Service part / kit |
| 15-00702 | Lock Washer, Helical M8 | Service part / kit |
| 158552-51151 | Flange | Service part / kit |
| 171051-01921 | PLUG, NPTF1 | Service part / kit |
| 171056-49120 | Drain Plug | Service part / kit |
| 171340-77520 | Intake Joint | Service part / kit |
| 171420-01600 | Flywheel Housing | Service part / kit |
| 171420-21590 | Flywheel Assembly | Service part / kit |
| 19-50001 | Speedy Clamp, Size C | Service part / kit |
| 20-17301 | Radiator Drain Cap, 1/4" ID | Service part / kit |
| 22217-140000 | Spring Washer, M14 | Service part / kit |
| 22252-000260 | Snap Ring | Service part / kit |
| 22351-030010 | Spring Pin | Service part / kit |
| 22351-060012 | Spring Pin, 6 x 12 | Service part / kit |
| 22512-070140 | Key | Service part / kit |
| 22857-500100 | Screw, 5 x 10, Self-tapping | Service part / kit |
| 23857-030000 | Joint Bolt | Service part / kit |
| 23876-010000 | Screw Plug 1/8 Pt. | Service part / kit |
| 23876-020000 | PLUG, R02 | Service part / kit |
| 23876-030000 | PLUG, R03 | Service part / kit |
| 23876-040000 | PLUG, R04 | Service part / kit |
| 26013-080222 | Bolt, 8 x 22 | Service part / kit |
| 26022-060162 | SCREW M 6X 16 | Service part / kit |
| 26106-060142 | Bolt | Service part / kit |
| 26106-060302 | Bolt, M6 x 30 Plated | Service part / kit |
| 26106-060402 | Bolt, M6 x 40 Plated | Service part / kit |
| 26106-080122 | Bolt, M8 x 12 Plated | Service part / kit |
| 26106-080142 | Bolt, M8 x 14 Plated | Service part / kit |
| 26106-080162 | Bolt, M8 x 16 Plated | Service part / kit |
| 26106-080202 | Bolt, M8 x 20 Plated | Service part / kit |
| 26106-080222 | Bolt, M8 x 22 Plated | Service part / kit |
| 26106-080252 | Bolt, M8 x 25 Plated | Service part / kit |
| 26106-080352 | Bolt, M8 x 35 Plated | Service part / kit |
| 26106-080402 | Bolt, M8 x 40 Plated | Service part / kit |
| 26106-080452 | BOLT, M8X 45 PLATED | Service part / kit |
| 26106-080502 | Bolt, M8 x 50 Plated | Service part / kit |
| 26106-080552 | Bolt, M8 x 55 Plated | Service part / kit |
| 26106-080602 | Bolt, M8 x 60 Plated | Service part / kit |
| 26106-080802 | Bolt, M8 x 80 Plated | Service part / kit |
| 26106-100202 | Bolt, M10 x 20 Plated | Service part / kit |
| 26206-100252 | Bolt, M10 x 25 | Service part / kit |
| 26206-100302 | Bolt, M10 x 30 | Service part / kit |
| 26226-080182 | Stud, M8 x 18 Plated | Service part / kit |
| 26306-080002 | Yammer 4TNV98-GGE engine component | Service part / kit |
| 26347-040002 | U-Nut, M4 | Service part / kit |
| 26347-060002 | U-Nut, 6 | Service part / kit |
| 26366-060002 | Nut M6 | Service part / kit |
| 26557-040352 | Screw, M4 x 35 | Service part / kit |
| 26776-140002 | Lock Nut, M14 Plated | Service part / kit |
| 27241-120000 | Plug 12 mm | Service part / kit |
| 27241-300000 | Plug 30 mm | Service part / kit |
| 27241-400000 | Plug 40 mm | Service part / kit |
| 27310-080001 | Cotter Pin | Service part / kit |
| 39-17307 | Side Panel | Service part / kit |
| 39-17311 | Grill | Service part / kit |
| 719802-01500 | Timing Cover Assembly (Includes key #2, 5, 12, & 22) | Service part / kit |
| 729402-23100 | Con-Rod Assy | Service part / kit |
| 729601-14580 | Camshaft Assembly (Includes keys #2 - 4) | Service part / kit |
| 729602-01560 | BLOCK ASSY, CYLINDER | Service part / kit |
| 119802-32070 | COVER, OIL PUMP | Pump |
| 129004-42001 | Coolant Pump (includes keys #2-10, and 21) | Pump |
| 129407-32000 | Oil Pump Assembly (Parts not available separately) | Pump |
| 119609-32040 | O-Ring, P16 | Seal |
| 119934-01800 | Seal, Oil | Seal |
| 121400-11340 | Valve Stem Seal | Seal |
| 121850-51960 | O-Ring | Seal |
| 124460-11340 | Valve Stem Seal | Seal |
| 129100-01640 | Rear Main Seal Retainer (Includes Key #16) | Seal |
| 129486-42140 | O-ring | Seal |
| 129508-33050 | O-Ring | Seal |
| 129648-01780 | SEAL, OIL | Seal |
| 129795-01780 | Rear Main Seal | Seal |
| 129795-01800 | Oil Seal | Seal |
| 22190-080002 | Seal Washer | Seal |
| 22190-100002 | Seal Washer | Seal |
| 22190-220002 | Seal Washer | Seal |
| 24311-000120 | O-Ring | Seal |
| 24311-000320 | O-Ring | Seal |
| 24341-000240 | O-Ring | Seal |
| 24341-000280 | O-Ring | Seal |
| 29190-220002 | Seal Washer | Seal |
| 22-40233 | Oil Pressure Switch, 15 PSI, 1/8 NPT | Sensor |
| 129155-49801 | Thermostat 71°C/ 160°C | Thermostat |
| 129350-49530 | Thermostat Cover | Thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.