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3N4044 CYLINDER HEAD GROUP Part of 3N3205 Basic Engine Arrangement listed on Page 14 4N7444 Cylinder Head parts are shown on Page 24. Only separate parts serviced 3304


BASIC ENGINE
CYLINDER HEAD GP
VALVE MECHANISM GP
LIFTING GP-ENGINE
HOUSING GP-FRONT
GEAR GP

INDUSTRIAL ENGINE 3304 INDUSTRIAL ENGINE 02B
 3304 ENGINE 02B04364-05271 UEG0677S 3304 02B   (1968)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD ASSEMBLY
4N-7444 CYLINDER HEAD ASSEMBLY
CYLINDER HEAD FASTENER GROUP
3N-2920 CYLINDER HEAD FASTENER GROUP
CYLINDER HEAD GP
3N-4044 CYLINDER HEAD GP
 

#UEG0677S0030
 

3N-4044: CYLINDER HEAD GP

3N4044 CYLINDER HEAD GROUP
Part of 3N3205 Basic Engine Arrangement listed on Page 14
4N7444 Cylinder Head parts are shown on Page 24. Only separate parts serviced
c146577 UEG0677S
3N4044 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-5912 [8] RETAINER  
2. 5S-6452 [4] VALVE (intake)  
3. 2A-4429 [16] LOCK  
4. 7S-7144 [8] SPRING  
5. 5S-6795 [4] CHAMBER ASSEM.  
  7S-3206 [4] SEAL  
  2S-8966 [4] KIT (Gasket)  
6. 5S-7232 [4] VALVE (exhaust)  
7. 4N-7444 Y [1] HEAD ASSEM.  
    (Separate Illustration)
8. 5S-6277 [1] GASKET  
  Y   SEPARATE ILLUSTRATION
 

#UEG0677S0031
 

2P-6524: VALVE-MECHANISM GP

2P6524 VALVE MECHANISM GROUP
Only separate parts serviced
Part of 3N3205 Basic Engine Arrangement listed on Page 14
c119069 UEG0677S
2P6524 VALVE-MECHANISM GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-3189 [1] SHAFT ASSEM.  
  0L-1026 [2] PLUG (.50 in. Diameter)  
2. 5S-5879 [1] BRACKET  
  5M-4606 [1] DOWEL  
3. 4B-4910 [3] SPRING  
4. 9H-1110 [8] WASHER  
5. 5S-5879 [2] BRACKET  
6. 5S-6855 [4] ARM ASSEM. (Exhaust)  
7. 5S-6854 [4] ARM ASSEM. (Intake)  
8. 8S-1499 [1] BRACKET ASSEM.  
  3F-6795 [1] DOWEL  
9. 9M-9886 [2] WASHER  
  9H-1112 [2] SPRING  
10. 1B-4203 [8] NUT  
11. 5S-5917 [8] SCREW  
12. 5S-5918 [8] ROD  
13. 7S-3161 [8] LIFTER  
14. 9H-1113 [2] RING  
 

#UEG0677S0032
 

3N-2921: COVER GP-VALVE MECHANISM

3N2921 VALVE MECHANISM COVER GROUP
Only separate parts serviced
Part of 3N3205 Basic Engine Arrangement listed on Page 14
c117721 UEG0677S
3N2921 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3871 [1] COVER AS-HEAD  
2. 8S-1606 [1] GASKET-COVER  
3. 0S-1617 [11] BOLT  
  3B-4505 [11] LOCKWASHER  
 

#UEG0677S0033
 

3N-2890: LIFTING EYE GROUP

3N2890 LIFTING EYE GROUP
Part of 3N3205 Basic Engine Arrangement listed on Page 14
Only separate parts serviced
c117683 UEG0677S
3N2890 LIFTING EYE GROUP Parts scheme
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] NUT  
2. [1] PLATE  
3. [2] EYE  
 

#UEG0677S0034
 

2P-6153: FRONT HOUSING GROUP

2P6153 FRONT HOUSING GROUP
Part of 3N3205 Basic Engine Arrangement listed on Page 14
Only separate parts serviced
c117863 UEG0677S
2P6153 FRONT HOUSING GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-9971 [ 1] PLATE  
  2P-1273 [ 1] GASKET  
2. 1P-9968 [ 1] HOUSING ASSEM.  
3. 2S-0042 [ 6] STUD  
4. 2P-1274 [ 1] GASKET  
 

#UEG0677S0035
 

2P-6528: COVER GP-FRONT HOUSING

2P6528 FRONT HOUSING COVER GROUP
Part of 3N3205 Basic Engine Arrangement listed on Page 14
Only separate parts serviced
c226145 UEG0677S
2P6528 COVER GP-FRONT HOUSING Parts scheme
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8701 C [1] COVER  
2. 6N-7887 C [1] GASKET  
3. 1B-4203 C [6] NUT  
4. 5M-2894 C [9] WASHER  
5. 2P-0218 [1] COVER  
6. 3B-1915 C [3] BOLT  
7. 0S-1566 [2] BOLT  
8. 2P-0220 C [1] GASKET  
9. 5P-8247 C [2] WASHER  
  C   INDICATES CHANGE
 

#UEG0677S0036
 

3N-4923: COVER GP-FRONT HOUSING

3N4923 FRONT HOUSING COVER GROUP
Part of 3N6705 Engine Procurement Arrangement listed on Page 13
Only separate parts serviced
c117716 UEG0677S
3N4923 COVER GP-FRONT HOUSING Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8701 [1] COVER (Front Housing)  
2. 1B-4203 [6] NUT  
  5M-2894 [6] WASHER  
3. 2P-8702 [1] GASKET  
4. 2P-0220 [1] GASKET  
5. 2P-3203 [3] BOLT  
6. 3N-4922 [1] COVER (Water Pump)  
  2S-4241 [1] PLUG  
7. 0S-1566 [4] BOLT  
8. 5F-3106 [1] SEAL  
9. 5M-0596 [1] COVER (Pump Drive Opening)  
 

#UEG0677S0037
 

2P-6498: FASTENER GP-FRONT HOUSING

2P6498 FRONT HOUSING FASTENER GROUP
Only separate parts serviced
Part of 3N5410 Engine Procurement Arrangement listed on Page 13B
c215146 UEG0677S
2P6498 FASTENER GP-FRONT HOUSING Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0573 C [3] BOLT 6.99 cm(2.75 in.) long  
    - OR -
  0L-1143 C [3] BOLT 2.35 cm(2.50 in.) long  
2. 1D-4717 C [7] NUT  
  5M-2894 C [1] WASHER  
3. 1C-2251 C [2] BOLT 4.76 cm(1.875 in.) long  
4. 0L-2070 C [12] BOLT 5.72 cm(2.25 in.) long  
5. 0S-1594 C [6] BOLT 2.54 cm(1.00 in.) long  
    (Location A)
6. 9S-3188 C [1] LOCK  
7. 0L-1143 C [2] BOLT 6.35 cm(2.50 in.) long  
8. 9S-3187 C [1] LOCK  
9. 0L-1143 C [2] BOLT 6.35 cm(2.50 in.) long  
    - OR -
  0L-2070 C [1] BOLT 5.72 cm(2.25 in.) long  
  0T-0573 C [1] BOLT 6.99 cm(2.75 in.) long  
  C   INDICATES CHANGE
 

#UEG0677S0038
 

3N-2887: FASTENER GP-FRONT HOUSING

3N2887 FRONT HOUSING FASTENER GROUP
Only separate parts serviced
Part of 3N3205 Basic Engine Arrangement listed on Page 14
c204421 UEG0677S
3N2887 FASTENER GP-FRONT HOUSING Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1143 [6] BOLT (location X)  
  1D-4717 C [6] NUT  
  5M-2894 [6] WASHER  
2. 0S-1571 C [2] BOLT  
3. 0L-2070 C [10] BOLT  
4. 9S-3187 C [1] LOCK  
5. 0S-1594 C [6] BOLT  
6. 4K-4937 [1] BOLT  
7. 9S-3188 C [1] LOCK  
  C   INDICATES CHANGE
 

#UEG0677S0039
 

2P-6211: FRONT GEAR GROUP

2P6211 FRONT GEAR GROUP--Timing
Only separate parts serviced
Part of 3N3205 Basic Engine Arrangement listed on Page 14
c154679 UEG0677S
2P6211 FRONT GEAR GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-1313 [ 1] NUT  
  7S-9847 [ 1] WASHER  
2. 5S-7614 [ 1] GEAR (80 teeth)  
3. 0L-1351 [ 2] BOLT  
4. 5S-7660 [ 1] GEAR ASSEM. (57 teeth)  
  5S-7630 [ 1] BEARING  
5. 5B-9079 [ 1] NUT  
  5S-7611 [ 1] LOCK  
6. 5S-3804 [ 1] GEAR (80 teeth)  
7. 5S-7608 [ 1] SHAFT  
8. 5S-7612 [ 1] PLATE  
9. 2H-3755 [ 1] BOLT  
10. 2P-1172 [ 1] GEAR ASSEM. (60 teeth)  
    (Includes)
  2P-1168 [ 1] BEARING  
11. 4M-9933 [ 1] GEAR (40 teeth)  
  5H-2671 [ 1] KEY  
12. 0S-1748 [ 4] BOLT  
  5M-2894 [ 4] WASHER  
 

Information:

Engine News
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts
1987/04/01
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01
New Valve Guide Available {1104}
1995/12/20
Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03
Later Pre-Chamber Cylinder Heads On Early 3304 Engines Without Drilled Rocker Stands Are Used {1100}
2012/10/15
Special Instruction
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Specifications
Valves
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Cylinder Head<BR> (D330C and D333C)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Cylinder Head<BR> (3304 and 3306)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Valves
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Cylinder Head
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Tool Operating Manual
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
Reuse And Salvage Guidelines
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Applied Failure Analysis
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Disassembly and Assembly
Precombustion Chambers
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Cylinder Head
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Valves
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Valve Seat Inserts
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Water Directors
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Valve Guides
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Precombustion Chambers
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Cylinder Head (Industrial Engine)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Cylinder Head (Marine Engine)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Valves
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Valve Seat Inserts
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Water Directors
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Valve Guides
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Service Magazine
New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07
Cylinder Head Water Directors No Longer Needed In Direct Injection Engines {1115}
1987/03/09
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30
New Fuel Nozzles Resist Adapter Cracking And Leaking {1254}
1999/06/14
Later Pre-Chamber Cylinder Heads On Early 3304 Engines Without Drilled Rocker Stands Are Used {1100}
2012/10/11

Caterpillar Parts SIS Catalog 3304 :

CYLINDER HEAD FASTENER GROUP
3N-2920 CYLINDER HEAD FASTENER GROUP
CYLINDER HEAD ASSEMBLY
4N-7444 CYLINDER HEAD ASSEMBLY
CAMSHAFT GP-SINGLE
2P-6201 CAMSHAFT GP-SINGLE
BALANCER GP
5S-6425 BALANCER GP
CONNECTING ROD AND PISTON GROUP
5S-6429 CONNECTING ROD AND PISTON GROUP
GASKET KITS
GASKET KITS
PULLEY GP-CRANKSHAFT
3N-6128 PULLEY GP-CRANKSHAFT
PULLEY GP-CRANKSHAFT
3N-3274 PULLEY GP-CRANKSHAFT
VALVE-MECHANISM GP
2P-6524 VALVE-MECHANISM GP
COVER GP-VALVE MECHANISM
3N-2921 COVER GP-VALVE MECHANISM
LIFTING EYE GROUP
3N-2890 LIFTING EYE GROUP
FRONT HOUSING GROUP
2P-6153 FRONT HOUSING GROUP
COVER GP-FRONT HOUSING
2P-6528 COVER GP-FRONT HOUSING
COVER GP-FRONT HOUSING
3N-4923 COVER GP-FRONT HOUSING
FASTENER GP-FRONT HOUSING
2P-6498 FASTENER GP-FRONT HOUSING
FASTENER GP-FRONT HOUSING
3N-2887 FASTENER GP-FRONT HOUSING

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