Service parts for the G3412C
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | natural gas |
|---|---|
| Frequency | 50.0 Hz |
| Prime power | 360 kW |
Maintenance & consumables
for the G3412C| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Primary | 1W-3637 | eBay $238.49 |
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | Cat DEAC | Diesel; 3,000 Service Hours or Three Years; annual S·O·SSM Level 2 coolant sampling and analysis | |||
| Coolant | Cat ELC | Diesel; 12,000 Service Hours or Six Years; add Cat ELC Extender at 6,000 service hours or one half of service life; annual S·O·SSM Level 2 coolant sampling and analysis | |||
| Coolant | Cat NGEC | Natural Gas; 16,000 Service Hours or Three Years; use interval that occurs first | |||
| Engine oil | Cat NGEO | Natural Gas | |||
| Engine oil | Cat Arctic DEO SYN SAE 0W-30 | -40°C to 30°C | Engine Crankcase; Industrial Engines | ||
| Engine oil | Cat DEO SYN SAE 5W-40 | -30°C to 50°C | Engine Crankcase; Industrial Engines | ||
| Engine oil | Cat DEO SAE 10W-30 | -18°C to 40°C | Engine Crankcase; Industrial Engines | ||
| Engine oil | Cat DEO SAE 15W-40 | -9°C to 50°C | Engine Crankcase; Industrial Engines | ||
| Grease | Cat Generator Set Grease | Part Number 108-8611 |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What engine is in the Caterpillar G3412C?
The Caterpillar G3412C is powered by the G3412C engine.
What fuel type does the Caterpillar G3412C take?
The Caterpillar G3412C runs on natural gas.
Which air filter part number does the Caterpillar G3412C take?
The Caterpillar G3412C uses air filter part number 1W-3637.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 104-3170 | Spark Plug | Spark plug | Amazon eBay $89.85 | |
| 108-3515 | Gasket | Gasket | Amazon eBay | |
| 128-6238 | Spark Plug | Spark plug | Amazon eBay | |
| 1W-3637 | Air Primary | 1 | Air filter | eBay $238.49 |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Reference — Cat Gas Genset Ratings Efficiencies LEXE0422-03 (Caterpillar)Reference — Caterpillar-Oil-and-Gas-Ratings-Guide-2021-03 (Caterpillar)Parts manual — Caterpillar Engines (Caterpillar)Parts manual — Spark+Plug+Selection+Table (Caterpillar)