The Yanmar 4TNE88-ACG is a 2.19 L 4-cylinder natural aspirated engine, producing up to 19.6 kW. It powers generator sets from Atlas Copco, including the QAS18 YdS USA. It holds 9 L (2.4 gal) of oil and 4 L (1.1 gal) of coolant.
Also known as: YANMAR 4TNE88-ACG
Part of the Yanmar 4TNE88 engine family — 3 variants share parts & fitment.
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
| Oil capacity | 9.0 L |
|---|---|
| Coolant capacity | 4.0 L |
| Displacement | 2.189 L |
| Cylinders | 4 |
| Aspiration | natural aspirated |
| Gross power | 19 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | Replace | 2914920200 | 2000 hr | Amazon eBay $59.92 KuduParts $11.00 | |
| Oil filter | Replace | 2914920000 | 2000 hr | Amazon eBay $16.89 | |
| Battery | — | ||||
| Belt | Replace | — | 250 hr | ||
| Coolant | 4.5 l | — | |||
| Coolant filter | — | ||||
| Oil | Change | 9.0 l | — | 500 hr | |
| Spark plug | Replace | — | 2000 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| 24-27302 | Air cleaner element | air_filter |
| 124732-42290 | Drive Belt | belt |
| 129100-55650 | Secondary fuel filter element | fuel_filter |
| F1-2 | Fuse 4 A | fuse |
| 104200-59170 | Gasket | gasket |
| 104200-59171 | Gasket 12 | gasket |
| 119840-59560 | Fuel Return Pipe | gasket |
| 124160-11360 | Gasket | gasket |
| 124240-01883 | Gasket | gasket |
| 124465-44950 | Gasket | gasket |
| 129100-42020 | Gasket | gasket |
| 129100-49820 | Cover Gasket | gasket |
| 129100-49840 | Gasket | gasket |
| 129150-32020 | Gasket | gasket |
| 129150-35041 | Gasket | gasket |
| 129150-35111 | Gasket | gasket |
| 129150-49811 | Gasket | gasket |
| 129150-77511 | Gasket | gasket |
| 129155-52020 | Gasket | gasket |
| 129155-52050 | Gasket | gasket |
| 129400-13201 | Gasket | gasket |
| 129407-01340 | Cylinder Head Gasket | gasket |
| 129407-12110 | Gasket | gasket |
| 129407-13110 | Gasket | gasket |
| 129408-01330 | Cylinder Head Gasket | gasket |
| 129550-11310 | Bonnet Gasket | gasket |
| 129795-49551 | Gasket | gasket |
| 23414-100000 | Gasket | gasket |
| 23414-120000 | GASKET 12, ROUND | gasket |
| 729618-92600 | Gasket Set | gasket |
| 927770-01212 | Liquid Gasket | gasket |
| 977770-01212 | Liquid Gasket | gasket |
| 129132-49050 | Hose | hose |
| 129619-12210 | Hose | hose |
| 171420-49010 | Hose, Radiator Inlet | hose |
| 171420-49020 | Hose, Radiator Outlet | hose |
| 41-01012 | 74" Hose 5/16" ID Push-On | hose |
| 114250-53080 | Fuel Injection Nozzle Assembly | injector |
| 719810-53100 | Fuel Injector | injector |
| 24-07301 | Lube oil filter (all models) | oil_filter |
| 124160-39450 | Oil Pressure Switch | other_service |
| NL488K | other_service | |
| 129100-42002 | Coolant Pump | pump |
| 129100-52100 | Fuel Feed Pump | pump |
| 121400-11340 | Valve Stem Seal | seal |
| 121850-51960 | O-Ring | seal |
| 124460-11340 | Valve Stem Seal | seal |
| 129129-77350 | O-Ring | seal |
| 129795-01780 | Rear Main Seal | seal |
| 129795-01800 | Oil Seal | seal |
| 15-01001 | Sealing Washer | seal |
| 22190-080002 | Seal Washer | seal |
| 22190-220002 | Seal Washer | seal |
| 24311-000120 | O-Ring | seal |
| 24311-000160 | O-Ring | seal |
| 24311-000320 | O-Ring | seal |
| 24311-240100 | O-Ring | seal |
| 24321-000650 | O-Ring | seal |
| 24341-000240 | O-Ring | seal |
| 24341-000280 | O-Ring | seal |
| 24341-000500 | O-Ring, 1A S-50.0 | seal |
| 121250-44901 | Temperature Switch 110°C | sensor |
| 121460-39450 | Pressure Switch | sensor |
| 22-41016 | Pressure Sender, 0-80 PSI, 1/8 NPT | sensor |
| 22-45201 | Temperature Sender 250°F Standard Ground | sensor |
| 129155-49800 | Thermostat | thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The Yanmar 4TNE88-ACG engine has an oil capacity of 9.0 liters.
The Yanmar 4TNE88-ACG has a displacement of 2.189 liters with 4 cylinders.
The Yanmar 4TNE88-ACG powers 1 generator set(s), including Atlas Copco QAS18 YdS USA.
The Yanmar 4TNE88-ACG uses oil filter part numbers Atlas Copco 2914920000, Yanmar 12915035151, Yanmar 12915035170.
The Yanmar 4TNE88-ACG uses fuel filter part numbers Atlas Copco 2914920200, Yanmar 12910055650, Yanmar 11900055602.
The Yanmar 4TNE88-ACG uses air filter part numbers Atlas Copco 1310030088, Atlas Copco 1310030160, Yanmar 12993512520J.
The Yanmar 4TNE88-ACG oil change interval is every 500 hours.