| Description | GP Combustion Head 24V, 2 Stage For C7.1, C9.3 Caterpillar Engines |
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| Condition | New |
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| Brand | Cat® |
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| Part Number | 348-3402, 3483402 |
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Fitment Guide 348-3402
Underground Art Truck
AD45
Power Module
TR43-C18L
Wheel Tractor-Scraper
627K 631K 627 623 621 637 631 637K 657 651 623K 621K
Load Haul Dump
R2900 XE R1700 R2900
Site Prep Tractor
2864C 586C
Load, Haul, Dump
R1700K
Material Handler
MH3260 MH3295
Off Highway Truck
772 770
Motor Grader
18M3 14M3 12M 3 12M 2 16 14 18 140M 2 16M3 160M 2
Track-Type Tractor
D6T LGP D9 D8 D8T D9T D6T XW D6T XL D7E LGP D7E
Rotary Drill
MD6200
Pipelayer
PL83 PL87
Excavator
336E LN 352F 336E LH 349 349F LXE 336E 352 568 FM LL 374F L 390F 374F 349E L 336E LNH 349E L VG 352F XE VG 349F L 395 352F-VG 568 FM 390F L 374 336E L 349E 336E H 349F 352 UHD
Mobile Hyd Power Unit
336E HVG 349E L HVG 349E 336E 352FMHPU 390F
Petroleum Package
CX31-C18I CX31-C9I CX35-C18I CX31-C13I
Wheel Tractor
623H 651E 657E 621K OEM 621H 627H 631K 651
Generator Set
C18 GEN SE XQ425 C13 XQ375 C18 C13 XQ350 XQ1140
Rotary Mixer
RM500B
Hex Based SPL Solution
352F OEM
Reclaimer Mixer
RM500B
Engine
C15 C18
Petroleum Transmission
CX31-P600-C18I
Petroleum Engine
C15 C18
Soil Compactor
825 825K
Ejector Truck
740 730C2 EJ 730C
Cold Planer
PM620 PM622
Wheel Dozer
834 834K 824K 824
Landfill Compactor
836 826 836K 826K
Wheel Loader
980 XE 982XE 972K 988 XE 986 966K XE 980 982 988GC 988 986K 980XE 988K XE 988K 980K 980M 966K 982 XE 982M
Road Reclaimer
RM600 RM500B RM500
Articulated Truck
730C2 740C 740 GC 730C 745C 735C 745 730 735
Industrial Engine
C18 C13 C15 C9.3
Wheel Scraper
637K 657E
Quarry Truck
772G 770G
Truck
772G OEM 770G 772G 770G OEM
A GP (General Purpose) combustion head 348-3402 is a key component of a burner assembly that shapes, mixes, and stabilizes the flame during fuel combustion. To understand it better, think of it as the “engine chamber” of a burner—where air and fuel are precisely combined and ignited in a controlled way.
1. Ensure Efficient Combustion
- Helps fuel burn completely
- Reduces wasted fuel
- Improves overall system efficiency
2. Stabilize the Flame
- Keeps the flame steady and anchored
- Prevents:
- Flame blow-off (flame goes out)
- Flashback (flame travels backward—dangerous)
3. Control Air–Fuel Ratio
- Maintains the correct balance between air and fuel
- Ensures proper combustion under different loads
4. Provide Versatility (General Purpose)
- Works in many different systems without special customization
- Suitable for:
5. Reduce Operating Costs
- Better combustion = lower fuel consumption
- Less maintenance due to cleaner burning
6. Help Control Emissions
- Produces fewer pollutants compared to poor combustion
- Keeps systems within acceptable emission levels (though not as advanced as low-NOx designs)
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Signs of Faulty 348-3402
1. Unstable Flame
- Flame flickers, pulses, or moves around
- Flame may blow off or go out unexpectedly
2. Abnormal Flame Color
-
Yellow/orange flame → incomplete combustion (soot forming)
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Very weak blue flame → poor fuel delivery or excess air
3. Excess Smoke or Soot
- Black smoke from exhaust
- Soot buildup inside equipment
4. Increased Fuel Consumption
- System uses more gas than usual
- Heat output doesn’t match fuel input
5. High Carbon Monoxide (CO) Levels
- Dangerous increase in CO emissions
- Often detected during testing or by sensors
6. Unusual Noises
- Whistling, rumbling, or pulsating sounds
Can indicate:
- Airflow problems
- Blockages
- Damaged diffuser or vanes
7. Uneven or Poor Heat Output
- Hot and cold spots in ovens or furnaces
- Inconsistent heating performance
8. Physical Damage or Wear
- Cracks, corrosion, or warping
- Blocked or clogged ports
- Burned or eroded components
9. Frequent Burner Shutdowns
- System trips or shuts off often
- Flame failure alarms
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