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3N2920 CYLINDER HEAD FASTENER GROUP Serial No. 5B1387 to 5B1860 inclusive Part of 4N4208 Engine Arrangement listed on Page 12 3304


BASIC ENGINE
CYLINDER HEAD GP
BALANCER GP
CYLINDER HEAD GP
LIFTING GP-ENGINE
CYLINDER HEAD GP
LIFTING GP-ENGINE
VALVE MECHANISM GP

MARINE ENGINE 3304 MARINE ENGINE 05B
 3304 MARINE ENGINE 05B01387-02056 UEG0874S 3304 05B   (1968)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD FASTENER GROUP
3N-2920 CYLINDER HEAD FASTENER GROUP
FASTENER GP-CYLINDER HEAD
2P-6544 FASTENER GP-CYLINDER HEAD
CYLINDER HEAD GP
3N-4054 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-4054 CYLINDER HEAD GP
CYLINDER HEAD ASSEMBLY
4N-7444 CYLINDER HEAD ASSEMBLY
CYLINDER HEAD AS
6N-8875 CYLINDER HEAD AS
 

#UEG0874S0020
 

3N-2920: CYLINDER HEAD FASTENER GROUP

3N2920 CYLINDER HEAD FASTENER GROUP
Serial No. 5B1387 to 5B1860 inclusive
Part of 4N4208 Engine Arrangement listed on Page 12
c117720 UEG0874S
3N2920 CYLINDER HEAD FASTENER GROUP Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [5] BOLT (4.75 in. Long)  
  [5] WASHER  
2. [4] BOLT (8 in. Long)  
3. [18] WASHER  
4. [12] BOLT (6 in. Long)  
5. [2] BOLT (6.75 in. Long)  
 

#UEG0874S0021
 

5S-6425: BALANCER GP

5S6425 BALANCER GROUP
Serial No. 5B1407-Up
Part of 4N4208 Engine Arrangement listed on Page 12
c152074 UEG0874S
5S6425 BALANCER GP Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1N-8354 [ 2] LOCK  
  0S-1594 [ 4] BOLT  
  4N-7977 [ 1] SHAFT ASSEM. (R. H. - 20 Teeth)  
  4N-7978 [ 1] SHAFT ASSEM. (L. H. - 20 Teeth)  
  4S-6417 [ 2] PLATE  
 

#UEG0874S0022
 

2P-6544: FASTENER GP-CYLINDER HEAD

2P6544 CYLINDER HEAD FASTENER GROUP
Serial No. 5B1861-Up
Part of 4N4208 Engine Arrangement listed on Page 12
c117252 UEG0874S
2P6544 FASTENER GP-CYLINDER HEAD Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-5183 [5] BOLT  
  5B-3850 [5] WASHER  
2. 1B-7709 [4] BOLT (Location X)  
3. 2S-0736 [18] WASHER  
4. 1D-4595 [14] BOLT  
 

#UEG0874S0023
 

3N-4054: CYLINDER HEAD GP

3N4054 CYLINDER HEAD GROUP
Serial No. 5B1387 to 5B1860 inclusive
Part of 4N4208 Engine Arrangement listed on Page 12
4N7444 Cylinder Head parts are shown on Page 22B
c203182 UEG0874S
3N4054 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-5874 C [8] ROTOCOIL ASSEM.  
2. 7S-6767 [4] VALVE (Exhaust)  
3. 2A-4429 [16] LOCK  
4. 7S-7144 [8] SPRING  
5. 8S-3970 [4] CHAMBER ASSEM.  
  7S-3206 [4] SEAL  
  5M-2667 C [4] GASKET  
6. 7S-8809 [4] VALVE (Inlet)  
7. 4N-7444 Y [1] HEAD ASSEM.  
    (Separate Illustration)
8. 5S-6277 [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0874S0024
 

3N-4054: CYLINDER HEAD GP

3N4054 CYLINDER HEAD GROUP
Serial No. 5B1861-Up
Part of 4N4208 Engine Arrangement listed on Page 12
6N8875 Cylinder Head parts are shown on Page 23
c213303 UEG0874S
3N4054 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-5874 [8] ROTOCOIL ASSEM.  
2. 7S-6767 [4] VALVE (Exhaust)  
3. 2A-4429 [16] LOCK  
4. 7S-7144 [8] SPRING  
5. 8S-3970 [4] CHAMBER ASSEM.  
  7S-3206 [4] SEAL  
  5M-2667 [4] GASKET  
6. 7S-8809 [4] VALVE (Inlet)  
7. 6N-8875 RCY [1] HEAD ASSEM.  
    (Separate Illustration)
8. 5S-6277 [1] GASKET  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UEG0874S0025
 

4N-7444: CYLINDER HEAD ASSEMBLY

4N7444 CYLINDER HEAD ASSEMBLY
Serial No. 5B1387 to 5B1860 inclusive
Part of 3N4054 Cylinder Head Group shown on Page 22
c202759 UEG0874S
4N7444 CYLINDER HEAD ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [ 12] DIRECTOR  
2. 3B-0623 [ 4] PLUG  
3. 2B-0858 [ 3] PLUG  
4. 3S-8313 [ 4] PLUG  
5. 2P-1262 [ 8] GUIDE  
7. 5S-7221 [ 4] INSERT (exhaust)  
8. 5S-7218 [ 4] INSERT (intake)  
 

#UEG0874S0026
 

3N-2890: LIFTING EYE GROUP

3N2890 LIFTING EYE GROUP
Serial No. 5B1387 to 5B1860 inclusive
Part of 4N4208 Engine Arrangement listed on Page 12
c117683 UEG0874S
3N2890 LIFTING EYE GROUP Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

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

#UEG0874S0027
 

6N-8875: CYLINDER HEAD AS

6N8875 CYLINDER HEAD ASSEMBLY
Serial No. 5B1861-Up
Part of 3N4054 Cylinder Head Group shown on Page 22A
c217788 UEG0874S
6N8875 CYLINDER HEAD AS Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [12] DIRECTOR-WATER  
2. 3B-0623 [4] PLUG-CUP  
3. 2B-0858 [3] PLUG-PIPE  
4. 3S-8313 [4] PLUG-CUP  
5. 2P-1262 [8] GUIDE-VALVE  
6. 5S-7218 [4] INSERT-VALVE SEAT (INTAKE)  
7. 1P-6837 [4] INSERT-VALVE SEAT (EXHAUST)  
 

#UEG0874S0028
 

6N-8336: LIFTING GP

6N8336 ENGINE LIFTING GROUP
Serial No. 5B1861-Up
Part of 4N4208 Engine Arrangement listed on Page 12
c218684 UEG0874S
6N8336 LIFTING GP Parts scheme
  For full view, you need register

Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9123 C [1] PLATE  
2. 6N-7650 [1] PLATE  
3. 0S-1595 [4] BOLT  
  2M-0849 [4] WASHER  
  C   INDICATES CHANGE
 

#UEG0874S0029
 

2P-6524: VALVE-MECHANISM GP

2P6524 VALVE MECHANISM GROUP
Part of 4N4208 Basic Engine Arrangement listed on Page 12
Only separate parts serviced
c119069 UEG0874S
2P6524 VALVE-MECHANISM GP Parts scheme
  For full view, you need register

Parts for your 3304 MARINE 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  
 

Information:

Engine News
Use Caution During Replacement Of Damaged Nozzle Adapters Or Precombustion Chambers
1983/01/19
Engine Valve Stem "Use Again" Specifications
1983/03/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/10/26
Oil Shield And Rotocoil Must Be Installed Together For Acceptable Oil Control
1983/10/26
A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures" Is Available
1985/03/01
Bleed Holes On Parts Service Cylinder Heads
1985/03/01
Check For Interference Between Water Temperature Regulator And Cylinder Head Bore
1985/06/01
Determining The Cause Of Glow Plug Tip Failures
1986/06/01
Valve Lash Adjustment Interval Is Changed
1986/07/01
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts
1987/04/01
Silicone Water Passage Seal Can Be Used Where Contact With Oil Is Unavoidable During Assembly Of Cylinder Heads
1988/06/01
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01
Correction For Camshaft And Valve Seat Specifications
1992/07/01
New Valve Guide Available {1104}
1995/12/20
New Cast Iron Valve Guide And New Exhaust Valve With Chrome Plated Stem Will Help Prevent Early Hour Exhaust Valve Sticking{1104,1105}
1998/05/01
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25
Tolerance Added To Valve Clearance Specifications
1978/01/18
Use Again Specifications For Valve Springs Are Changed
1978/03/01
New Glow Plug Wiring Harness Prevents Short Circuit
1978/08/16
New Torque Specification Used On Bolts That Hold The Cylinder Head
1978/08/30
New Exhaust Valve Has Improved Three-Piece Construction
1978/12/13
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
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
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
Spacer Plate Block Group Used For Parts Service Of Block Group With Counterbore Design{1101,1201}
1980/03/03
Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06
New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29
Engine Valve Stem &quot;Use Again&quot; Specifications{0653,1105}
1983/02/28
Oil Shield And Rotocoil Must Be Installed Together For Acceptable Oil Control{1109}
1983/09/26
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Bleed Holes On Parts Service Cylinder Heads{1100,1101}
1985/02/18
Check For Interference Between Water Temperature Regulator And Cylinder Head Bore{1355}
1985/05/13
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Crankshaft Seal Usage On 3300 Family of Engines{1160,1161}
1986/06/02
Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16
Tools Now Available To Ream And/Or Hone 0.500&quot; (12.70 mm) Diameter Valve Guides{0663}
1977/08/22
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30
Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30
Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06
New Torque Specification Used On Bolts That Hold The Cylinder Head{1101}
1978/09/04
New Exhaust Valve Has Improved Three-Piece Construction{1105}
1978/12/04
Silicone Water Passage Seal Can Be Used Where Contact With Oil Is Unavoidable During Assembly Of Cylinder Heads{1100}
1988/06/06
A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
New Valve Rotator And New Oil Shield Are Available{1104,1105,1109}
1979/10/22
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08
7S3161 Valve Lifter Has Three Different Designs{1209}
1991/10/14
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 :

BALANCER GROUP
8L-5226 BALANCER GROUP
CAMSHAFT GP-SINGLE
2P-6201 CAMSHAFT GP-SINGLE
PISTON & ROD GP
2P-6272 PISTON & ROD GP
PULLEY GP-CRANKSHAFT
3N-6128 PULLEY GP-CRANKSHAFT
PULLEY GP-CRANKSHAFT
3N-3274 PULLEY GP-CRANKSHAFT
CRANKSHAFT BEARING REPLACEMENTS
ADAPTER GP-SEAL
3N-2886 ADAPTER GP-SEAL
SEAL GP-CRANKSHAFT
2P-6224 SEAL GP-CRANKSHAFT
BALANCER GP
5S-6425 BALANCER GP
FASTENER GP-CYLINDER HEAD
2P-6544 FASTENER GP-CYLINDER HEAD
CYLINDER HEAD GP
3N-4054 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-4054 CYLINDER HEAD GP
CYLINDER HEAD ASSEMBLY
4N-7444 CYLINDER HEAD ASSEMBLY
LIFTING EYE GROUP
3N-2890 LIFTING EYE GROUP
CYLINDER HEAD AS
6N-8875 CYLINDER HEAD AS
LIFTING GP
6N-8336 LIFTING GP

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