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2P6272 CONNECTING ROD AND PISTON GROUP-4 REQUIRED SERIAL NO. 5B2057 TO 5B2437 INCLUSIVE 3304 MARINE ENGINE


BASIC ENGINE
PISTON & ROD GP
CYLINDER HEAD GP
BALANCER GP
CYLINDER HEAD GP

MARINE ENGINE 3304 MARINE ENGINE 05B
 3304 MARINE ENGINE 05B02057-UP SEBP1195 3304 05B   (1968)

BASIC ENGINE

PISTON & ROD GP
PISTON & ROD GP
2P-6272 PISTON & ROD GP
PISTON & ROD GP
2P-6272 PISTON & ROD GP
 

#SEBP11950020
 

2P-6272: PISTON & ROD GP

2P6272 CONNECTING ROD AND PISTON GROUP-4 REQUIRED
SERIAL NO. 5B2057 TO 5B2437 INCLUSIVE
c222694 SEBP1195
2P6272 PISTON & ROD 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-9805 C [1] PIN-PISTON  
2. 1S-9543 [2] RETAINER-PIN  
3. 5S-2793 [1] ROD AS  
  8N-0703 C [1] BEARING  
4. 1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 [2] NUT-SPECIAL  
5. 7M-7821 [1] BEARING-CONNECTING ROD  
  2S-0502 [1] BEARING-.254MM US (.010IN)  
  2S-0503 [1] BEARING-.508MM US (.020IN)  
  7M-7826 [1] BEARING-.762MM US (.030IN)  
6. 4N-9258 C [1] PISTON GP  
7. 9S-7788 [1] RING-PISTON OIL  
8. 5S-6750 [1] RING-INTERMEDIATE  
9. 9S-3029 [1] RING-PISTON TOP  
  9S-3068 C [1] RING GP  
    (CONSISTS OF COMPLETE
    SET OF RINGS FOR
    ONE PISTON)
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11950021
 

2P-6272: PISTON & ROD GP

2P6272 CONNECTING ROD AND PISTON GROUP-4 REQUIRED
SERIAL NO. 5B2438-UP
c314546 SEBP1195
2P6272 PISTON & ROD 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-9805 [1] PIN-PISTON  
2. 1S-9543 [2] RETAINER-PIN  
3. 8N-1721 CR [1] ROD AS-CONNECTING  
  8N-1849 C [1] BEARING-CONNECTING ROD  
4. 1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 C [2] NUT-SPECIAL  
5. 4W-5739 C [1] BEARING-CONNECTING ROD (STANDARD)  
  8N-8221 C [1] BEARING-CONNECTING ROD (.010IN)  
  8N-8222 C [1] BEARING-CONNECTING ROD (.020IN)  
  8N-8223 C [1] BEARING-CONNECTING ROD (.030IN)  
6. 9N-5251 C [1] PISTON GP  
7. 9S-7788 [1] RING-PISTON  
8. 5S-6750 [1] RING-INTERMEDIATE  
9. 9S-3029 [1] RING-PISTON TOP  
  9S-3068 [1] RING GP (CONSISTS OF COMPLETE  
    SET OF RINGS FOR ONE
    PISTON)
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP11950022
 

2P-6544: FASTENER GP-CYLINDER HEAD

2P6544 CYLINDER HEAD FASTENER GROUP
SERAIL NO. 5B2057 TO 5B2364 INCLUSIVE
c222879 SEBP1195
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 (3/8-16X4.75IN)  
  5B-3850 [5] WASHER  
    -OR-
  1A-5964 C [5] BOLT (3/8-16X4.5IN)  
2. 1B-7709 [4] BOLT (5/8-11X8IN)  
3. 2S-0736 [18] WASHER-HARD  
4. 1D-4595 [14] BOLT (5/8-11X6IN)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11950023
 

5S-6425: BALANCER GP

5S6425 BALANCER GROUP
c342450 SEBP1195
5S6425 BALANCER GP Parts scheme
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Parts for your 3304 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-2894 C [4] WASHER  
2. 4S-6417 [2] PLATE-THRUST  
3. 4N-7977 C [1] SHAFT AS-BALANCE (RH)  
  4N-7978 [1] SHAFT AS-BALANCE (LH)  
    (20 TEETH)
    (EA SHAFT AS INCL)
  4N-7976 C [1] SHAFT-BALANCE  
  4H-9699 C [1] KEY-WOODRUFF  
4. 0S-1594 [4] BOLT  
  1N-8354 [2] LOCK  
    -OR-
  030-8535 C [4] BOLT-SELF LOCKING  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11950024
 

7N-9534: FASTENER GP-CYLINDER HEAD

7N9534 CYLINDER HEAD FASTENER GROUP
SERIAL NO. 5B2365-UP
c227966 SEBP1195
7N9534 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. 5B-9603 [5] BOLT (3/8-16X5IN)  
2. 1B-7709 C [3] BOLT (5/8-11X8IN)  
3. 2S-0736 C [17] WASHER-HARD  
4. 1D-4595 [14] BOLT (5/8-11X6IN)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11950025
 

8N-1188: CYLINDER HEAD GP

8N1188 CYLINDER HEAD ASSEMBLY*R
SERIAL NO. 5B2365-UP
PART OF 6N8095 CYLINDER HEAD GROUP SHOWN ON PAGES 12B & 12C
c567228 SEBP1195
8N1188 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. 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. 1W-5321 [4] INSERT-VALVE SEAT (EXH)  
7. 7N-4448 [4] INSERT (INT)  
8. 7N-2597 [1] SPACER  
9. 8N-4485 [1] VALVE AS  
10. 3P-1896 C [1] PLUG-CUP  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11950026
 

6N-8875: CYLINDER HEAD AS

6N8875 CYLINDER HEAD ASSEMBLY*R
SERIAL NO. 5B2957 TO 5B2233 INCLUSIVE
PART OF 3N4054 CYLINDER HEAD GROUP SHOWN ON PAGE 12
c217788 SEBP1195
6N8875 CYLINDER HEAD AS Parts scheme
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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)  
 

#SEBP11950027
 

3N-4054: CYLINDER HEAD GP

3N4054 CYLINDER HEAD GROUP*R
SERIAL NO. 5B2057 TO 5B2233 INCLUSIVE
6N8875 HEAD PARTS ARE SHOWN ON PAGE 11B
c213303 SEBP1195
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
 

#SEBP11950028
 

3N-4054: CYLINDER HEAD GP

3N4054 CYLINDER HEAD GROUP*R
SERIAL NO. 5B2234 TO 5B2364 INCLUSIVE
c217638 SEBP1195
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 (intake)  
7. 6N-8121 RC [1] HEAD ASSEM.  
    (Includes)
8. 2B-0858 [3] PLUG  
9. 2P-1262 [8] GUIDE  
10. 5S-7221 [4] INSERT  
11. 3S-8313 [4] PLUG  
12. 7N-4448 [4] INSERT  
13. 3B-0623 [4] PLUG  
14. 1S-3062 [12] DIRECTOR  
15. 7N-2597 [1] SPACER  
16. 7N-7386 [1] GASKET  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP11950029
 

6N-8095: CYLINDER HEAD GP

6N8095 CYLINDER HEAD GROUP*R
SERIAL NO. 5B2365 TO 5B2436 INCLUSIVE
8N1188 HEAD PARTS ARE SHOWN ON PAGE 11B
c175627 SEBP1195
6N8095 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. 2A-4429 [16] LOCK  
2. 5S-5874 [8] ROTOCOIL  
3. 7S-7144 [8] SPRING  
4. 7S-8809 [4] VALVE (Intake)  
5. 8S-3970 [4] CHAMBER ASSEM.  
6. 7S-3206 [4] SEAL  
7. 5M-2667 [4] GASKET  
8. 8N-0875 [4] VALVE (exhaust)  
9. 8N-1188 RY [1] HEAD ASSEM.  
    (Separate Illustration)
10. 7N-8022 [1] GASKET  
11. 3S-5496 [1] SEAL  
12. 7N-8025 [12] SEAL  
13. 7N-8018 [4] SEAL  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
Rod Bearings For Parts Service Have Reliefs (Grooves) Cut On The Outside Diameter
1979/06/20
New Piston Groups Have The Piston Pin Bore Off-Center, Away From The Thrust Side Of The Piston
1980/02/27
In The Future, Oversize And Undersize Connecting Rod And Main Bearings Will Have Size Identification Marks In Metric Units
1980/07/09
Carbon Cutting On Thrust Side Of Piston Top Land Is Normal Condition For Pistons With Offset (Not In Center) Pin Bores
1980/08/13
New Connecting Rod And Main Bearings Have Thicker Layer Of Surface Material
1982/10/20
Use 6V6147 Polishing Wheel To Clean Piston Pins
1982/11/10
New Piston Ring Group Used
1983/05/25
Remanufactured Connecting Rod Assemblies
1984/02/22
Increase Piston Reuse With Keystone Piston Ring Gauge Group
1986/07/01
Check Connecting Rods After Engine Failures Involving Hydraulic Lock
1986/12/01
Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method
1987/06/01
New Oil Control Piston Ring Used In 3300 Family Of Engines
1990/04/01
Installation Of Zinc Rods In Caterpillar Marine Engines
1991/01/01
Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/11/01
New Guidelines for Inspecting Pistons {1214}
2006/01/02
A New Connecting Rod Bearing is Available for Certain Commercial Engines {1219, 1225}
2009/02/02
A New Connecting Rod Bearing is Available {1218, 1219, 1225}
2009/02/09
Special Instruction
Piston Cleaning Procedure{1214}
Piston Cleaning Procedure{1214}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}
Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Technical Information Bulletin
Connecting Rod Bearings
Connecting Rod Bearings
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Connecting Rods on Certain 3304 and 3306 Gas and Diesel Engines Have Failed{1225}
Connecting Rods on Certain 3304 and 3306 Gas and Diesel Engines Have Failed{1225}
Specifications
Connecting Rod
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Piston And Rings
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Pistons And Rings<BR> (With Keystone Piston Ring Groove)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Pistons And Rings
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Connecting Rod
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Bearing Surface (Journal) For Connecting Rods
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Main Bearings And Connecting Rod Bearings
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Tool Operating Manual
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
Reuse And Salvage Guidelines
Reuse and Salvage for Connecting Rods {1218}
Reuse and Salvage for Connecting Rods {1218}
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Disassembly and Assembly
Connecting Rod Bearings
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Pistons
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Pistons
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Connecting Rod Bearings
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Piston Groups Have The Piston Pin Bore Off-Center, Away From The Thrust Side Of The Piston{1214}
1980/01/21
6V2050 Tapered Rod Tool Group Available For Removal And Installation Of Bearings{1219,1218,1214}
1980/06/09
Carbon Cutting On Thrust Side Of Piston Top Land Is Normal Condition For Pistons With Offset (Not In Center) Pin Bores{1213,1214}
1980/08/11
Piston And Connecting Rod Assembly Storage Cabinet{0600}
1982/01/18
Use New Special Instruction To Install 5P6595 Insert In Cylinder Liner Seats{1216,0621}
1982/05/03
Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03
New Bearing Standard: Quantity Of One Part Number Now Has Both Halves Of The Bearing{7551}
1982/08/09
New Connecting Rod And Main Bearings Have Thicker Layer Of Surface Material{1230,1203,1219}
1982/10/04
Use 6V6147 Polishing Wheel To Clean Piston Pins{0675,1214}
1982/11/08
Use the 6V6167 Contact Point to Measure Wear Steps on Piston Pins{0653}
1982/11/22
New Piston Ring Group Available For Higher Horsepower Applications{1215,1214,1213,1226}
1983/05/09
Reuse Of Engine Bearings{1230}
1983/05/16
New Piston Ring Group Used{1215}
1983/05/30
Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21
Remanufactured Connecting Rod Assemblies{1218}
1984/01/23
Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07
Two Different Piston Oil Ring Designs Used{1215}
1985/11/11
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Increase Piston Reuse With Keystone Piston Ring Gauge Group{1214,1215}
1986/06/16
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Check Connecting Rods After Engine Failures Involving Hydraulic Lock{1218,1225}
1986/10/20
Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method {1218,1219}
1987/06/01
Locating Bushings For The 5P3550 Rod Boring Machine Will Now Hold Tapered Piston Pin Bushings {0626}
1978/04/17
Use 6V100 Tool Arrangement To Remove And Install Piston Pin Bearings For Both Tapered And Standard Connecting Rods{0620,1218}
1978/04/24
Sleeve-Type Ring Compressors Can Be Used For Installation Of Pistons From The Bottom Of The Engine{0622}
1978/08/21
Improved Piston Pins Are Made Of Different Material For Better Hardness Characteristics When Heat Treated{1214}
1978/08/21
5P3519 Piston Ring Gauge Has Improved Design For Better Accuracy And Easier Use; Corrected Information For Use On Pistons That Have Two Ring Grooves{0653,1214}
1979/05/14
Rod Bearings For Parts Service Have Reliefs (Grooves) Cut On The Outside Diameter{1219}
1979/05/21
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
New Connecting Rod Is Tapered In Piston Pin Area{1218}
1979/10/22
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
New Oil Control Piston Ring Used In 3300 Family Of Engines {1213,1214,1215}
1990/03/26
Installation Of Zinc Rods In Caterpillar Marine Engines{1350,1388}
1990/12/24
Cylinder Pack Puller Groups Improved {0705,1239}
1993/01/18
Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/10/31
Piston Ring Groove Gauges To Quickly And Accurately Determine Reusability Of Pistons{1214,0763}
1997/01/13

Caterpillar Parts SIS Catalog 3304 :

CAMSHAFT GP-SINGLE
2P-6201 CAMSHAFT GP-SINGLE
SEAL GP-CRANKSHAFT
2P-6224 SEAL GP-CRANKSHAFT
CRANKSHAFT GP
6N-8080 CRANKSHAFT GP
CRANKSHAFT SERVICE THRUST PLATE-FIELD INSTALLATION
CRANKSHAFT GP
2P-6218 CRANKSHAFT GP
CRANKSHAFT AS
4N-7692 CRANKSHAFT AS
CYLINDER BLOCK GP
6N-8127 CYLINDER BLOCK GP
8N-6724 MANIFOLD GP-EXHAUST
PISTON & ROD GP
2P-6272 PISTON & ROD GP
FASTENER GP-CYLINDER HEAD
2P-6544 FASTENER GP-CYLINDER HEAD
BALANCER GP
5S-6425 BALANCER GP
FASTENER GP-CYLINDER HEAD
7N-9534 FASTENER GP-CYLINDER HEAD
CYLINDER HEAD GP
8N-1188 CYLINDER HEAD GP
CYLINDER HEAD AS
6N-8875 CYLINDER HEAD AS
CYLINDER HEAD GP
3N-4054 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-4054 CYLINDER HEAD GP

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