FUEL SYSTEM
PUMP GP-FUEL INJECTIONPUMP GP-FUEL PRIMING
SEPARATOR GP-WATER
LINES GP-FUEL
ELECTRICAL AND STARTING SYSTEM
ALTERNATOR GP-CHARGINGFUEL SYSTEM
PUMP GP-FUEL INJECTION#SEBP26850210
6I-4212: PUMP GP-FUEL INJECTION
6I-4212 PUMP GP-FUEL INJECTION
S/N 6SR1-99999
S/N 6SR1-99999
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SIS#SEBP26850211
110-4394: PUMP GP-FUEL PRIMING
110-4394 PUMP GP-FUEL PRIMING
S/N 6SR1-99999
PART OF 120-3865 FILTER & LINES GP-PRIMARY FUEL, 119-2259 LINES GP-FUEL FILTER
AN ATTACHMENT
S/N 6SR1-99999
PART OF 120-3865 FILTER & LINES GP-PRIMARY FUEL, 119-2259 LINES GP-FUEL FILTER
AN ATTACHMENT
#SEBP26850212
2W-4234: SEPARATOR GP-WATER
2W-4234 SEPARATOR GP-WATER
S/N 6SR1-99999
FOR USE WITH MARINE PROPULSION & MARINE AUXILIARY ENGINES
AN ATTACHMENT
S/N 6SR1-99999
FOR USE WITH MARINE PROPULSION & MARINE AUXILIARY ENGINES
AN ATTACHMENT
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 2W-4235 | [1] | BASE AS | |
2. | 8N-1590 | [1] | WASHER | |
3. | 8F-9206 | [1] | SEAL-O-RING | |
4. | 8N-1588 | [1] | BOLT-SEPARATOR | |
5. | 2W-4273 | [1] | VALVE AS-VENT (FUEL, WATER SEPARATOR) | |
6. | 8N-1589 | [1] | GASKET-SEPARATOR | |
7. | 2W-4236 | [1] | CASE AS | |
8. | 5B-7890 | [1] | PLUG-PIPE | |
9. | 8N-1586 | [1] | SPRING-SEPARATOR | |
10. | 4B-4281 | [1] | WASHER (16.8X33X2.5-MM THK) | |
11. | 8F-4610 | [1] | RING-RETAINING | |
12. | 8N-1587 | [1] | SUPPORT | |
13. | 8N-1585 | [1] | SEAL-SEPARATOR | |
14. | 8N-0205 | [1] | FILTER ELEMENT-FUEL (WATER SEPARATOR) |
#SEBP26850213
141-8288: VALVE GP-FUEL RELIEF
141-8288 VALVE GP-FUEL RELIEF
S/N 6SR1-99999
PART OF 120-3865 FILTER & LINES GP-PRIMARY FUEL, 117-5136, 119-2259, 119-2260 LINES GP-FUEL FILTER
AN ATTACHMENT
S/N 6SR1-99999
PART OF 120-3865 FILTER & LINES GP-PRIMARY FUEL, 117-5136, 119-2259, 119-2260 LINES GP-FUEL FILTER
AN ATTACHMENT
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SIS#SEBP26850214
114-2707: ALTERNATOR GP-CHARGING
114-2707 ALTERNATOR GP-CHARGING
S/N 6SR1-99999
12 VOLT, 105 AMPERE
AN ATTACHMENT
S/N 6SR1-99999
12 VOLT, 105 AMPERE
AN ATTACHMENT
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 8C-6163 Y | [1] | ALTERNATOR GP-CHARGING | |
2. | 9M-1974 | [1] | WASHER-HARD (8.8X16X2-MM THK) | |
3. | 7X-0338 | [1] | BOLT (1/2-13X6-IN) | |
4. | 8T-4223 | [2] | WASHER-HARD (13.5X25.5X3-MM THK) | |
5. | 114-2705 | [1] | STRAP | |
6. | 8T-8917 | [1] | BOLT (1/2-13X1.25-IN) | |
7. | 9S-1240 | [1] | BRACKET AS | |
1F-0748 | [1] | NUT-WELD (1/2-13-THD) | ||
8. | 114-2706 | [1] | PULLEY-ALTERNATOR | |
9. | 8L-8984 | [1] | V-BELT SET (ALTERNATOR AIR)(INCLUDES 2 BELTS) | |
10. | 6V-3940 M | [1] | BOLT (M8X1.25X25-MM) | |
11. | 5P-1076 | [1] | WASHER-HARD (13.5X30X4-MM THK) | |
M | METRIC PART | |||
R | REMANUFACTURED PART MAY BE AVAILABLE | |||
Y | SEPARATE ILLUSTRATION |
#SEBP26850215
115-6956: ALTERNATOR GP-CHARGING
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 4N-3986 Y | [1] | ALTERNATOR GP-CHARGING (24-VOLT, 60-AMPERE) | |
2. | 9M-1974 | [1] | WASHER-HARD (8.8X16X2-MM THK) | |
3. | 7X-0338 | [1] | BOLT (1/2-13X6-IN) | |
4. | 8T-4223 | [2] | WASHER-HARD (13.5X25.5X3-MM THK) | |
5. | 114-2705 | [1] | STRAP | |
6. | 8T-8917 | [1] | BOLT (1/2-13X1.25-IN) | |
7. | 9S-1240 | [1] | BRACKET AS | |
F | [1] | ANGLE | ||
1F-0748 | [1] | NUT-WELD (1/2-13-THD) | ||
8. | 114-2706 | [1] | PULLEY-ALTERNATOR | |
9. | 8L-8984 | [1] | V-BELT SET (ALTERNATOR AIR)(INCLUDES 2 BELTS) | |
10. | 6V-3940 M | [1] | BOLT (M8X1.25X25-MM) | |
11. | 5P-1076 | [1] | WASHER-HARD (13.5X30X4-MM THK) | |
F | NOT SHOWN | |||
M | METRIC PART | |||
R | REMANUFACTURED PART MAY BE AVAILABLE | |||
Y | SEPARATE ILLUSTRATION |
#SEBP26850216
116-4543: ALTERNATOR GP-CHARGING
116-4543 ALTERNATOR GP-CHARGING
S/N 6SR1-99999
12 VOLT, 51 AMPERE
AN ATTACHMENT
S/N 6SR1-99999
12 VOLT, 51 AMPERE
AN ATTACHMENT
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 6T-1396 Y | [1] | ALTERNATOR GP-CHARGING | |
2. | 9M-1974 | [1] | WASHER-HARD (8.8X16X2-MM THK) | |
3. | 6V-7673 M | [1] | BOLT (M12X1.75X50-MM) | |
4. | 5P-8245 | [1] | WASHER-HARD (13.5X25.5X3-MM THK) | |
5. | 6F-1992 | [1] | V-BELT (ALTERNATOR) | |
6. | 0S-1618 | [1] | BOLT (5/16-18X1-IN) | |
7. | 9N-0869 | [1] | WASHER-HARD (8.8X25.5X2-MM THK) | |
8. | 8L-3523 | [1] | PULLEY-ALTERNATOR | |
9. | 117-5154 | [1] | STRAP | |
10. | 6V-3940 M | [1] | BOLT (M8X1.25X25-MM) | |
M | METRIC PART | |||
R | REMANUFACTURED PART MAY BE AVAILABLE | |||
Y | SEPARATE ILLUSTRATION |
#SEBP26850217
116-4544: ALTERNATOR GP-CHARGING
116-4544 ALTERNATOR GP-CHARGING
S/N 6SR1-99999
24 VOLT, 35 AMPERE
AN ATTACHMENT
S/N 6SR1-99999
24 VOLT, 35 AMPERE
AN ATTACHMENT
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 6T-1395 Y | [1] | ALTERNATOR GP-CHARGING | |
2. | 9M-1974 | [1] | WASHER-HARD (8.8X16X2-MM THK) | |
3. | 6V-7673 M | [1] | BOLT (M12X1.75X50-MM) | |
4. | 5P-8245 | [1] | WASHER-HARD (13.5X25.5X3-MM THK) | |
5. | 6F-1992 | [1] | V-BELT (ALTERNATOR) | |
6. | 0S-1618 | [1] | BOLT (5/16-18X1-IN) | |
7. | 9N-0869 | [1] | WASHER-HARD (8.8X25.5X2-MM THK) | |
8. | 8L-3523 | [1] | PULLEY-ALTERNATOR | |
9. | 117-5154 | [1] | STRAP | |
10. | 6V-3940 M | [1] | BOLT (M8X1.25X25-MM) | |
M | METRIC PART | |||
R | REMANUFACTURED PART MAY BE AVAILABLE | |||
Y | SEPARATE ILLUSTRATION |
#SEBP26850218
4N-3986: ALTERNATOR GP-CHARGING
4N-3986 ALTERNATOR GP-CHARGING
S/N 6SR1-99999
24 VOLT, 60 AMPERE
PART OF 115-6956 ALTERNATOR GP-CHARGING
AN ATTACHMENT
S/N 6SR1-99999
24 VOLT, 60 AMPERE
PART OF 115-6956 ALTERNATOR GP-CHARGING
AN ATTACHMENT
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 6N-1876 | [1] | HOUSING AS | |
2. | 9S-2396 | [1] | BUSHING-TERMINAL | |
3. | 9N-0943 | [1] | PLUG-BEARING WELL | |
4. | 5P-3418 | [1] | BEARING-ROLLER | |
5. | 6N-1968 | [1] | STATOR AS | |
9S-2014 | [3] | CLIP | ||
9N-0939 | [1] | GROMMET | ||
6. | 9N-0942 | [1] | PLATE-COVER | |
7. | 2P-5616 | [1] | FRAME-DRIVE END | |
8. | 9S-2390 | [1] | RETAINER | |
9. | 9N-0937 | [1] | RECTIFIER AS | |
10. | 9S-2302 | [1] | ROTOR AS | |
11. | 5P-7807 | [1] | BALL BEARING | |
12. | 100-6531 | [1] | FAN-ALTERNATOR (11-BLADE) | |
13. | 5P-3419 | [1] | RACE-BEARING INNER | |
14. | 7F-7621 | [1] | WASHER (0.635X1.25X0.09-IN THK) | |
15. | 2K-4821 | [1] | LOCKNUT (5/8-18-THD) | |
16. | 6N-1945 | [1] | COIL AS-FIELD | |
17. | 9X-2500 | [4] | SCREW-HEX FLANGE (10-24X38.1-MM) | |
18. | 9N-3388 | [5] | BOLT (10-24X0.75-IN) | |
19. | 100-6532 | [1] | COLLAR-ALTERNATOR | |
20. | 9S-2009 | [4] | BOLT-FLANGE HEAD (10-24X3.625-IN) | |
21. | 6N-1944 | [1] | DIODE AS | |
22. | 6N-1870 | [2] | SCREW AS (8-32X34-MM) | |
8M-6701 | [3] | WASHER (0.281X0.5X0.032-IN THK)(12.7MM .5IN OD) | ||
6N-1856 | [4] | BUSHING-TERMINAL | ||
23. | 8T-0328 | [2] | WASHER-HARD (5.5X10X1-MM THK) | |
24. | 9S-2544 | [3] | SCREW-HEX HEAD (8-32X11.13-MM) | |
25. | 9B-7233 | [7] | LOCKWASHER | |
26. | 4B-2043 | [4] | NUT (8-32-THD) | |
27. | 6V-8187 | [2] | NUT (1/4-28-THD) | |
28. | 1H-3244 | [2] | LOCKWASHER | |
29. | 6N-1925 | [1] | BRACKET | |
30. | 6N-1946 | [1] | CAPACITOR AS | |
31. | 6N-1872 | [3] | SCREW AS (8-32X1.25-IN) | |
32. | 3T-6354 | [1] | REGULATOR AS-VOLTAGE (24-VOLT)(ALTERNATOR) | |
33. | 6N-1873 | [1] | LEAD AS | |
34. | 2L-8075 | [3] | TERMINAL-RING (14-GA TO 16-GA, NO. 8 SCREW) | |
35. | 8T-4205 | [2] | WASHER-HARD (7.2X14.5X2-MM THK) | |
36. | 6N-1871 | [1] | LEAD AS | |
37. | 030-9612 | [4] | SCREW-FORMING (10-24X0.5-IN) | |
AVAILABLE REPAIR KIT(S): | ||||
6N-1875 | [1] | KIT-OUTPUT TERMINAL (ALTERNATOR) | ||
(INCLUDES TERMINAL, LOAD, BUSHING, WASHERS, NUTS & LOCKWASHERS) | ||||
105-3762 | [1] | KIT-ALTERNATOR TERMINAL | ||
(INCLUDES TERMINAL, INSULATOR, BUSHING, WASHER, NUTS & LOCKWASHERS) |
#SEBP26850219
6T-1395: ALTERNATOR GP-CHARGING
6T-1395 ALTERNATOR GP-CHARGING
24 VOLT, 35 AMPERE
PART OF 116-4544 ALTERNATOR GP-CHARGING
AN ATTACHMENT
24 VOLT, 35 AMPERE
PART OF 116-4544 ALTERNATOR GP-CHARGING
AN ATTACHMENT
Parts for your 3126 MARINE ENGINE:
CATERPILLAR SISPos. | Part No | Qty | Parts name | Comments |
---|---|---|---|---|
1. | 6T-4117 | [1] | CAPACITOR | |
2. | 7T-0677 | [1] | DIODE AS-NEGATIVE (3 DIODE) | |
3. | 7T-0676 | [1] | DIODE AS-POSITIVE (3 DIODE) | |
4. | 6T-9445 | [1] | REGULATOR-VOLTAGE | |
5. | 6T-9446 | [1] | HOUSING-REAR | |
6. | 9G-5208 | [1] | RETAINER-REAR BEARING | |
7. | 6T-2032 | [1] | GASKET-COVER | |
8. | 6T-2031 | [1] | BRUSH AS | |
9. | 6T-4116 | [1] | GASKET | |
10. | 6T-4100 | [1] | PLATE-ADAPTER | |
11. | 6T-9443 | [1] | STATOR AS | |
12. | 3N-1202 | [1] | ROTOR AS | |
13. | 5P-6836 | [1] | BEARING (DOUBLE SHIELD) | |
14. | 3K-6168 | [1] | BOLT-SOCKET HEAD (10-32X0.625-IN) | |
7H-2079 | [1] | LOCKWASHER | ||
3N-1223 | [1] | WASHER (0.196X0.312X0.067-IN THK) | ||
15. | 3N-1200 | [1] | RING AS-SLIP | |
16. | 8L-9655 | [1] | HOUSING-FRONT | |
17. | 6T-2027 | [1] | RETAINER-BEARING | |
18. | 1N-9087 | [1] | SPACER (0.628X1.35X0.33-MM THK) | |
19. | 8L-9654 | [4] | SLEEVE-SHAFT | |
20. | 1B-8704 | [1] | KEY-WOODRUFF | |
21. | 1S-7056 | [1] | BALL BEARING | |
22. | 8L-9661 | [1] | FAN-ALTERNATOR (14-BLADE) | |
23. | 7T-0895 | [2] | CAP | |
24. | 4B-2046 C | [3] | NUT (10-24-THD) | |
25. | 6V-8185 C | [1] | NUT (1/4-20-THD) | |
26. | 2K-4821 C | [1] | LOCKNUT (5/8-18-THD) | |
AVAILABLE REPAIR KIT(S): | ||||
7X-1028 C | [1] | KIT-TERMINAL | ||
(INCLUDES INSULATORS, NUTS, WASHERS, | ||||
LOCKWASHERS, & SCREWS) | ||||
7X-1029 C | [1] | KIT-HARDWARE | ||
(INCLUDES BOLTS, LOCKWASHERS, WASHERS, | ||||
NUTS, SCREWS, & STRAPS) | ||||
C | CHANGE FROM PREVIOUS TYPE |
Information:
FUEL SYSTEM
PUMP GP-FUEL INJECTION
Engine News
Operation and Maintenance Manual
Special Instruction
Using the 127-3458 Sleeve Replacement Tool Group{1290}
Using the 127-3458 Sleeve Replacement Tool Group{1290}
Using the 127-3458 Sleeve Replacement Tool Group{1290}
Installing Injectors on the 3116, 3116T, and 3126 Industrial Engines{1290}
Installing Injectors on the 3116, 3116T, and 3126 Industrial Engines{1290}
Installing Injectors on the 3116, 3116T, and 3126 Industrial Engines{1290}
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}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Removal and Installation of Unit Injectors on 3114, 3116, and 3126 MUI Engines{1251, 1290}
Removal and Installation of Unit Injectors on 3114, 3116, and 3126 MUI Engines{1251, 1290}
Removal and Installation of Unit Injectors on 3114, 3116, and 3126 MUI Engines{1251, 1290}
Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}
Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}
Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}
Technical Information Bulletin
Specifications
Tool Operating Manual
Using the 223-2454 Tool Group on 3114, 3116, and 3126 Engines with Mechanical Unit Injectors (MUI){0374, 0599, 0701, 0706, 1251, 1252, 1254}
Using the 223-2454 Tool Group on 3114, 3116, and 3126 Engines with Mechanical Unit Injectors (MUI){0374, 0599, 0701, 0706, 1251, 1252, 1254}
Using the 223-2454 Tool Group on 3114, 3116, and 3126 Engines with Mechanical Unit Injectors (MUI){0374, 0599, 0701, 0706, 1251, 1252, 1254}
Information Release Memo
CATERPILLAR REMAN ANNOUNCES AN APPEARANCE CHANGE TO CERTAIN MECHANICAL UNIT FUEL INJECTORS
CATERPILLAR REMAN ANNOUNCES AN APPEARANCE CHANGE TO CERTAIN MECHANICAL UNIT FUEL INJECTORS
CATERPILLAR REMAN ANNOUNCES AN APPEARANCE CHANGE TO CERTAIN MECHANICAL UNIT FUEL INJECTORS
Testing and Adjusting
Unit Injector Synchronization - Adjust
3114, 3116 and 3126 Industrial, Marine and Generator Set Engines
3114, 3116 and 3126 Industrial, Marine and Generator Set Engines
Troubleshooting
Disassembly and Assembly
Service Magazine
Caterpillar Parts SIS Catalog 3126 :
Truck sale:
On Request