Perkins 1103A-33G1 Engine
The Perkins 1103A-33G1 is a 3 L 3-cylinder natürlich aspirierte engine rated at 1500 rpm. It powers generator sets from FG Wilson, including the P24P1S, P26-1S, P26-3S and P26E1S. It holds 7 L (1.8 gal) of oil and 10 L (2.6 gal) of coolant.
Also known as: 1103A-33G1, Perkins 1103A-33G1
Part of the Perkins 1103A engine family — 5 variants share parts & fitment.
Service parts for the 1103A-33G1
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.
Engine specifications
| Oil capacity | 7.0 L |
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| Coolant capacity | 10.0 L |
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| Displacement | 3.0 L |
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| Cylinders | 3 |
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| Aspiration | Natürlich aspirierte |
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| Rated speed | 1500 rpm |
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Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | Auswechselbares Element | | 1000051238 | 2645 hr | Amazon eBay $63.75 NAPA $62.83 FridayParts $24.99 |
| Fuel filter | Auswechselbares Element | | — | 1803 hr | |
| Oil filter | Auswechselbares Element | | — | 1024 hr | |
| Battery | null | | — | 1823 hr | |
| Belt | | | — | 12 hr | |
| Coolant | | 10.2 l (US gal) | — | | |
| Coolant filter | | | — | | |
| Oil | | 8.3 l (US gal) | — | 50 hr | |
| Spark plug | null | | — | 1070 hr | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Parts cataloged across the Perkins 1103A family
16| Part # | Description | Category |
|---|
| LL2014J | Filtre Raccor | Filter |
| 266-6830 | Fuel injector | Injector |
| 1103A-33 | OIL FILTER | Oil filter |
| 1002T | 1002T Series Control Panel | Service part / kit |
| 1006TAG | LL3014F | Service part / kit |
| 1006TG2A | LL3014B | Service part / kit |
| 1103A-33G1 | LL1014S | Service part / kit |
| 1103A-33TG1 | LL2014C | Service part / kit |
| 1104A-44TG2 | LL2014L | Service part / kit |
| 12/Negative | Engine Electrical System | Service part / kit |
| 1306-E87TA300 | LL5014H | Service part / kit |
| 1306-E87TA330 | LL5014J | Service part / kit |
| DCP-10 | Control Panel | Service part / kit |
| IP23 | Enclosure rating | Service part / kit |
| R250 | AVR Model | Service part / kit |
| SD80 | Silencer | Service part / kit |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Aftermarket parts that fit this engine
9Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Filters for this engine
- Air filter: Fg Wilson 1000051238 Perkins 901047 Donaldson P772579 Wix 46652 Baldwin PA1608
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Also used in
2- Fg Wilson XP 44 E3 — Generator Set
- Fg Wilson XP 65 E3 — Generator Set
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.
Common questions
What is the oil capacity of the Perkins 1103A-33G1?
The Perkins 1103A-33G1 engine has an oil capacity of 7.0 liters.
What is the displacement of the Perkins 1103A-33G1?
The Perkins 1103A-33G1 has a displacement of 3.0 liters with 3 cylinders.
Which generators use the Perkins 1103A-33G1 engine?
The Perkins 1103A-33G1 powers 11 generator set(s), including FG Wilson P24P1S, FG Wilson P26-1S, FG Wilson P26-3S, FG Wilson P26E1S, FG Wilson P27.
What air filter does the Perkins 1103A-33G1 use?
The Perkins 1103A-33G1 uses air filter part numbers Fg Wilson 1000051238, Perkins 901047, Donaldson P772579.
How often should you change the oil in the Perkins 1103A-33G1?
The Perkins 1103A-33G1 oil change interval is every 50 hours.