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423-5923 KIT-REAR COVER GASKET -REAR STRUCTURE S/N 1251-UP; 4ZF5910-UP CONTAINS GASKETS, SEALS & BENDABLE LOCKS TO REINSTALL THE REAR COVER. THIS KIT DOES NOT INCLUDE THE OIL PAN GASKET PART OF 430-7807 KIT-ENGINE OVERHAUL 12H


SERVICE EQUIPMENT AND SUPPLIES
GASKET & SEAL KITS
BASIC ENGINE
LIFTING GP-ENGINE
MOUNTING GP-ENGINE
PAN GP-OIL
PISTON & ROD GP
CYLINDER BLOCK GP
BELT TIGHTENER GP
VALVE MECHANISM GP

MOTOR GRADER 12H MOTOR GRADER 125
 12H Motor Grader 12500001-UP (MACHINE) POWERED BY C-9 Engine SEBP3754 12H 125   (2003)

SERVICE EQUIPMENT AND SUPPLIES

GASKET & SEAL KITS
430-4352 KIT-FRONT COVER GASKET
479-0766 KIT-FRONT COVER GASKET
KIT-REAR COVER GASKET
423-5923 KIT-REAR COVER GASKET
SEAL GP-CRANKSHAFT
178-3899 SEAL GP-CRANKSHAFT
479-0767 KIT-OIL COOLER & LINES GASKET
430-3494 KIT-OIL SYSTEM GASKET
 

#SEBP37540040
 

423-5923: KIT-REAR COVER GASKET

423-5923 KIT-REAR COVER GASKET -REAR STRUCTURE
S/N 1251-UP; 4ZF5910-UP
CONTAINS GASKETS, SEALS & BENDABLE LOCKS TO REINSTALL THE REAR COVER. THIS KIT DOES NOT INCLUDE THE OIL PAN GASKET
PART OF 430-7807 KIT-ENGINE OVERHAUL
i05233579 SEBP3754
4235923 KIT-REAR COVER GASKET Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 528-5684 [1] SEAL GP-CRANKSHAFT  
2. 2A-1162 [1] GASKET (DRAIN PLUG)  
3. 4H-7869 [1] GASKET  
4. 9Y-6089 [1] GASKET  
5. 2A-1913 [1] GASKET-PLUG  
6. 214-7567 [1] SEAL-O-RING  
7. 238-5082 [1] SEAL-O-RING  
   
    FOR A LIST OF RELATED PARTS THAT MAY BE REQUIRED FOR THE ENGINE REBUILD TO THE KIT CONSIST, PLEASE VISIT
   
    HTTP://DEALER.CAT.COM/RELATED
 

#SEBP37540041
 

169-3113: LIFTING GP-ENGINE

169-3113 LIFTING GP-ENGINE
S/N 4ZF5910-UP
REAR
PART OF 168-7967, 285-6123 ENGINE AR
i01908281 SEBP3754
1693113 LIFTING GP-ENGINE Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 166-1785 [1] PLATE-LIFTING  
2. 5P-8245 [3] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 6V-8675 M [3] BOLT (M12X1.75X35-MM)  
  M   METRIC PART
 

#SEBP37540042
 

174-3428: MOUNTING GP-ENGINE & XMSN

174-3428 MOUNTING GP-ENGINE & XMSN
S/N 1251-UP
PART OF 2C-9812 GENERAL AR
i01891805 SEBP3754
1743428 MOUNTING GP-ENGINE & XMSN Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 174-9529 [2] MOUNT AS  
    (EACH INCLUDES)
  6Y-9960 [1] MOUNT AS  
  9W-7385 [1] SLEEVE  
  9W-7388 [2] WASHER (26X144X12-MM THK)  
2. 192-7357 [2] MOUNT AS  
    (EACH INCLUDES)
  9W-9920 [1] MOUNTING AS-VIBRATION ISOLATOR  
  9W-6582 [1] SLEEVE  
  9W-6584 [1] WASHER (20.5X114X10-MM THK)  
3. 211-9274 [1] SUPPORT  
4. 211-9275 [1] SUPPORT  
5. 1J-5929 [2] BOLT (1-8X6-IN)  
6. 8T-4123 [8] WASHER (22X35X3.5-MM THK)  
7. 8T-4896 [12] WASHER-HARD (10.2X18.5X2.5-MM THK)  
8. 8T-4994 [2] WASHER-HARD (20X36.5X3.5-MM THK)  
9. 8T-5361 [2] WASHER-HARD (28X49X5-MM THK)  
10. 8T-6430 M [8] BOLT (M20X2.5X50-MM)  
11. 8T-9311 [2] BOLT (3/4-10X4.5-IN)  
12. 9B-7237 [12] BOLT (3/8-16X1.25-IN)  
  M   METRIC PART
 

#SEBP37540043
 

179-3421: PAN GP-OIL

179-3421 PAN GP-OIL
S/N 4ZF5910-UP
PART OF 168-7967, 285-6123 ENGINE AR
i01908306 SEBP3754
1793421 PAN GP-OIL Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-6854 [1] GASKET  
2. 189-6645 [1] PAN-OIL  
3. 190-6114 [1] GASKET-OIL PAN  
4. 197-3616 [1] ADAPTER-DRAIN  
5. [1] PLUG AS  
5A. 3D-2824 [1] SEAL-O-RING  
  9S-4183 [1] PLUG (1-1/16-12-THD)  
6. 6V-3918 M [32] BOLT (M8X1.25X50-MM)  
7. 6V-5192 M [2] BOLT-SOCKET HEAD (M8X1.25X30-MM)  
8. 9M-1974 [34] WASHER-HARD (8.8X16X2-MM THK)  
  M   METRIC PART
 

#SEBP37540044
 

177-7878: PISTON & ROD GP

177-7878 PISTON & ROD GP
S/N 4ZF5910-UP
PART OF 168-7966 ENGINE AR-CORE
i01909797 SEBP3754
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  188-9141 Y [6] PISTON & ROD GP  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP37540045
 

188-9141: PISTON & ROD GP

188-9141 PISTON & ROD GP
S/N 4ZF5910-UP
16.1:1 RATIO
PART OF 177-7878 PISTON & ROD GP
i01911541 SEBP3754
1889141 PISTON & ROD GP Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 324-7380 [1] SKIRT-PISTON  
2. 213-3190 [1] BEARING  
3. 160-8199 [1] ROD AS  
3A. 160-8197 M [2] BOLT (M12X1.25X62-MM)  
3B. 160-8194 [1] BEARING  
4. [1] RING-PISTON (INTERMEDIATE)  
5. 524-5611 [1] PIN-PISTON  
6. 197-9367 [1] TUBE AS (PISTON COOLING JET)  
7. 168-7209 [1] RING-PISTON (OIL CONTROL)  
8. 197-9297 [1] CROWN AS-PISTON  
9. 197-9299 [1] RING-PISTON (TOP)  
10. 6V-3940 M [1] BOLT (M8X1.25X25-MM)  
11. 7X-2908 [2] RING-RETAINING  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP37540046
 

224-7129: PLUG GP-ENGINE

224-7129 PLUG GP-ENGINE
S/N 4ZF5910-UP
PART OF 168-7967, 285-6123 ENGINE AR
i01908457 SEBP3754
2247129 PLUG GP-ENGINE Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 183-3406 [1] PLUG AS  
  9S-4191 [1] PLUG (9/16-18-THD)  
  6V-5049 [1] SEAL-O-RING  
2. 3D-2824 [1] SEAL-O-RING  
3. 8L-2786 [1] SEAL-O-RING  
4. 9S-4183 [1] PLUG (1-1/16-12-THD)  
5. 9S-8005 [1] PLUG (3/4-16-THD)  
 

#SEBP37540047
 

213-5158: PULLEY GP-IDLER

213-5158 PULLEY GP-IDLER
S/N 4ZF5910-UP
PART OF 168-7967, 285-6123 ENGINE AR
i01908452 SEBP3754
2135158 PULLEY GP-IDLER Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 190-0643 [1] BELT TENSIONER GP  
2. 173-1498 [1] PULLEY AS-IDLER (8-GROOVE)  
2A. 151-2900 M [1] BOLT (M10X1.5X54.25-MM)  
2B. 173-1500 [1] SPACER (10.4X45.1X1.8-MM THK)  
2C. 166-6358 [1] COVER-DUST  
3. 212-3246 [1] BRACKET  
4. 8T-4121 [5] WASHER-HARD (11X21X2.5-MM THK)  
5. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
6. 8T-4172 M [1] BOLT (M10X1.5X80-MM)  
7. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
8. 8T-4226 [1] WASHER-PLATED (10.5X45X3-MM THK)  
  M   METRIC PART
 

#SEBP37540048
 

213-9320: ROCKER ARM GP

213-9320 ROCKER ARM GP
S/N 4ZF5910-UP
PART OF 215-9571 VALVE MECHANISM GP
i01913011 SEBP3754
2139320 ROCKER ARM GP Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 544-0520 [1] ROCKER ARM AS (EXHAUST)  
2. 260-7524 M [1] SCREW-VALVE ADJUSTMENT (M10X1.5-THD)  
3. 2Y-5829 M [1] NUT (M10X1.5-THD)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP37540049
 

213-9321: ROCKER ARM GP

213-9321 ROCKER ARM GP
S/N 4ZF5910-UP
PART OF 215-9571 VALVE MECHANISM GP
i01913014 SEBP3754
2139321 ROCKER ARM GP Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 544-0522 [1] ROCKER ARM AS (INTAKE)  
2. 260-7524 M [1] SCREW-VALVE ADJUSTMENT (M10X1.5-THD)  
3. 2Y-5829 M [1] NUT (M10X1.5-THD)  
  M   METRIC PART
 

Information:

Truck Engine News
The Color of Certain O-Ring Seals Is Changing {7555}
2002/12/01
The 1U-8846 Gasket Sealant Is Cancelled {7555}
2010/03/31
Engine News
The Color of Certain O-Ring Seals Is Changing {7555}
2003/01/01
The 1U-8846 Gasket Sealant Is Cancelled {7555}
2010/03/22
Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
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}
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
Lip Type Seals {0599, 0733, 5050, 7555}
Lip Type Seals {0599, 0733, 5050, 7555}
Technical Information Bulletin
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Tool Operating Manual
Caterpillar O-rings: Measuring Tool, Material Application, and Dash Size Cross Reference{0374, 0599, 0759, 0767, 7555}
Caterpillar O-rings: Measuring Tool, Material Application, and Dash Size Cross Reference{0374, 0599, 0759, 0767, 7555}
Reuse And Salvage Guidelines
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
Disassembly and Assembly
Duo-Cone Conventional Seals - Install
12H, 140H and 160H Motor Graders Power Train
Service Magazine
The Oil Pan Gasket now Requires a Gasket Sealant to be Used {1302, 7555}
2003/07/21
Repair Guidelines for Air Compressors {1803}
2003/08/25
Final Drive Duo-Cone Seal Assembly Information Update {7561}
2010/04/15
The 1U-8846 Gasket Sealant Is Canceled {7555}
2010/03/22
Improved Crankshaft Rear Seals are Used on Certain C9 Machine Engines {1161, 7555}
2014/07/10

Caterpillar Parts SIS Catalog 12H :

479-0766 KIT-FRONT COVER GASKET
430-4352 KIT-FRONT COVER GASKET
430-7807 KIT-ENGINE OVERHAUL
428-9219 KIT-ENGINE OVERHAUL
20R-1476 KIT-ENGINE OVERHAUL
20R-1469 KIT-ENGINE OVERHAUL
428-9317 KIT-ENGINE GASKET
427-5198 KIT-ENGINE GASKET
LIFTING GP-ENGINE
169-3113 LIFTING GP-ENGINE
MOUNTING GP-ENGINE & XMSN
174-3428 MOUNTING GP-ENGINE & XMSN
PAN GP-OIL
179-3421 PAN GP-OIL
177-7878 PISTON & ROD GP
PISTON & ROD GP
188-9141 PISTON & ROD GP
PLUG GP-ENGINE
224-7129 PLUG GP-ENGINE
PULLEY GP-IDLER
213-5158 PULLEY GP-IDLER
ROCKER ARM GP
213-9320 ROCKER ARM GP

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