1B4203 NUT-FULL Caterpillar parts
118, 119, 120, 120B, 120G, 127, 128, 129, 12E, 12F, 12G, 130G, 140, 140B, 140G, 141, 14E, 14G, 153, 16, 160G, 163, 1673, 1673B, 1673C, 1674, 1676, 1693, 16G, 172, 173B, 183, 183B, 184, 191, 206, 212, ...  
 
 
Rating:
 Alternative (cross code) number:
CA1B4203
1B-4203
1B4203
 
CA1B4203
1B-4203
1B4203
 
 
  Weight: 0.01 pounds 0 kg. 
 
Information:
COATING/PLATING 
Zinc  
 
HEX SIZE 
14.29 
mm
 
HEIGHT 
8.33 
mm
 
MATERIAL 
Steel Rb 85 Min  
 
THREAD SIZE 
.38-24  
 ARTICULATED TRUCK, WINDROW ELEVATOR,
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$5.95
 19 Dec 2023
Amazon.com
 CTP 1B4203 Hex Head Nut for Heavy Equipment 
CTP Hex Head Type of Nut || Sold in each || Easy in-and-out fit
 CTP Hex Head Type of Nut || Sold in each || Easy in-and-out fit
$8.55
 19 Oct 2023
US: FinditParts Inc
 1B4203 - NUT EXHAUST PIPE TO STARTING ENGINE CYLINDER BLOCK fits Caterpillar (CAT) 
BLUMAQ 1B4203 - NUT EXHAUST PIPE TO STARTING ENGINE CYLINDER BLOCK fits Caterpillar (CAT)
 BLUMAQ 1B4203 - NUT EXHAUST PIPE TO STARTING ENGINE CYLINDER BLOCK fits Caterpillar (CAT)
 This part in 2 request: 
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This information for suppliers only!
2022-09-18
2017-09-18
Compatible equipment models: 1B4203:
ARTICULATED TRUCK   
D250B
     
D25C
     
D25D
     
D300B
     
D300D
     
D30C
     
D350C
     
D350E
     
D35C
     
D35HP
     
D400
     
D400E
     
D40D
     
D44B
     
D550B
    
BACKHOE   
D4
    
COLD PLANER   
PR-450
    
COMPACT WHEEL LOADER   
910
    
ENGINE - MACHINE   
3304
    
EXCAVATOR   
206
     
212
     
214
     
215
          
224
     
225
        
229
     
235
          
235C
     
245
          
245D
     
320D2
     
324D
     
329D
     
330 L
        
330B
     
336D
     
350
          
350 L
     
375
     
375 L
     
E240
     
E300B
    
FELLER BUNCHER   
FB518
    
FRONT SHOVEL   
5080
    
INDUSTRIAL ENGINE   
3054B
     
3054C
     
3176C
     
3196
     
3204
        
3304
          
3306
          
3306B
        
3406
     
3406B
     
3406C
        
3406E
     
3408
     
3408C
     
3408E
     
3412
     
3456
     
C-15
     
C-16
     
C-9
     
C11
     
C13
     
C15
          
C18
          
C7
     
C9
     
D320A
     
D342
     
D342C
     
D343
     
D346
     
D348
     
D349
     
D353C
     
D379
     
D398
     
D399
    
MARINE ENGINE   
3176B
     
3176C
     
3196
     
3304
        
3304B
     
3306
        
3406B
     
3406E
     
3408
     
3408B
     
3408C
     
3412
     
C-12
     
C12
     
C15
     
C18
                       
C9
        
D315
     
D326F
     
D330A
     
D330B
     
D333A
     
D333B
     
D334
     
D336
     
D337
     
D337F
     
D342
     
D342C
     
D343
     
D346
     
D348
     
D349
     
D353C
     
D364
     
D375D
     
D379A
     
D397D
     
D398A
     
D399
    
SOIL STABILIZER   
SS-250
    
TELEHANDLER   
RT50
    
TRACK LOADER   
931B
        
931C
        
935B
     
941
          
943
             
951B
             
953
               
953B
     
953C
     
955C
     
955H
     
955K
          
955L
             
963
                  
963B
     
973
               
977D
     
977H
     
977K
          
977L
          
983
     
983B
    
TRACK-TYPE TRACTOR   
D10
     
D10N
     
D11N
     
D3
     
D3B
          
D3C
     
D4C
     
D4D
                                        
D4E
                                   
D4E SR
     
D4H
        
D4H XL
     
D5
                       
D5B
                                 
D5E
     
D5H
             
D5H XL
     
D6C
                              
D6D
                                           
D6D SR
     
D6E
     
D6E SR
     
D6G
     
D6G SR
     
D6G2 LGP
        
D6G2 XL
        
D6H
                    
D6H XL
          
D6H XR
     
D6R
          
D7F
          
D7G
                            
D7G2
     
D7H
             
D8H
        
D8K
          
D8L
             
D8N
        
D8R
        
D9E
     
D9G
        
D9H
          
D9L
     
D9N
       
WHEEL LOADER   
920
          
926
        
930
             
930R
        
936
          
936F
     
950
             
950B
        
966C
               
966D
          
966F
     
966G
     
966R
     
980
     
980B
     
980C
        
988
     
988B
     
992
     
992C
        
994
     
G936
       
WHEEL SCRAPER   
621
     
621B
          
627
     
627B
        
630B
     
631B
     
631D
        
633
     
633D
     
637
     
637B
     
637D
        
637E
     
639D
     
641B
     
651
     
651B
     
657
     
657B
     
666
    
Information:
 Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 227-4389 E10 Torx Socket 1
B 934-913 Rocker Assembly Tool 4 Start By:
Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01323013
Typical example
Use Tooling (A) to progressively loosen torx screws (1). Begin at the ends of the rocker shaft assembly and work toward the center. Note: To avoid distortion of the rocker shaft assembly, each torx screw should be loosened by a quarter of a turn at one time. Repeat the procedure until all torx screws are loosened.
Remove torx screws (1) from rocker shaft assembly (2).
If the rocker shaft will not be disassembled, install Tooling (B) between each pair of rocker arms.
Remove rocker shaft assembly (2) from the cylinder head.
Illustration 2 g01359104
Typical example
Place an identification mark on pushrods (3) in order to show the location. Remove the pushrods from the cylinder head. Note: Identification will ensure that the pushrods can be reinstalled in the original positions. Do not interchange the positions of used pushrods.
 Table 1
Required Tools
Tool Part Number Part Description Qty
A 227-4389 E10 Torx Socket 1
B 934-913 Rocker Assembly Tool 4 Start By:
Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01323013
Typical example
Use Tooling (A) to progressively loosen torx screws (1). Begin at the ends of the rocker shaft assembly and work toward the center. Note: To avoid distortion of the rocker shaft assembly, each torx screw should be loosened by a quarter of a turn at one time. Repeat the procedure until all torx screws are loosened.
Remove torx screws (1) from rocker shaft assembly (2).
If the rocker shaft will not be disassembled, install Tooling (B) between each pair of rocker arms.
Remove rocker shaft assembly (2) from the cylinder head.
Illustration 2 g01359104
Typical example
Place an identification mark on pushrods (3) in order to show the location. Remove the pushrods from the cylinder head. Note: Identification will ensure that the pushrods can be reinstalled in the original positions. Do not interchange the positions of used pushrods.
Cat SIS web machinery list:
Parts nut Caterpillar catalog:
 2G6396
NUT
 
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 135H, 135H NA
 
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 135H, 135H NA
 8D3540
NUT
 
12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
 
12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
 1D0906
NUT-SLOTTED
 
120M, 120M 2, 12M 2, 12M 3 AWD, 140M, 140M 2, 140M 3 AWD, 14G, 14H, 14H NA, 14M, 160M, 160M 2, 160M 3 AWD, 16G, 16H, 16H NA, 16M
 
120M, 120M 2, 12M 2, 12M 3 AWD, 140M, 140M 2, 140M 3 AWD, 14G, 14H, 14H NA, 14M, 160M, 160M 2, 160M 3 AWD, 16G, 16H, 16H NA, 16M
 5F3715
NUT-SLOTTED HEX
 
14G, 14H, 14H NA, 14M, 16G, 16H, 16H NA, 16M
 
14G, 14H, 14H NA, 14M, 16G, 16H, 16H NA, 16M
 1793038
NUT
 
325C, 328D LCR, 330C, 330C L, 330D, 330D L, 330D LN, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E H, 336E HVG, 336E L, 336E LH, 336E LN, 336F L
 
325C, 328D LCR, 330C, 330C L, 330D, 330D L, 330D LN, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E H, 336E HVG, 336E L, 336E LH, 336E LN, 336F L
 2F7526
NUT
 
120B, 12E, 140B, 14E
 
120B, 12E, 140B, 14E
 1M2069
NUT
 
120, 120B, 12E, 12F, 140B, 14E
 
120, 120B, 12E, 12F, 140B, 14E
 7D8833
NUT
 
120G, 12F, 12G, 130G, 140G, 14E, 14G, 16, 16G
 
120G, 12F, 12G, 130G, 140G, 14E, 14G, 16, 16G
 4M0815
NUT
 
12E
 
12E
 7Y1198
NUT AS
 
350, 375, 375 L
 
350, 375, 375 L
 1765068
NUT
 
330, 330B, 330B L, 345B, 345B L
 
330, 330B, 330B L, 345B, 345B L
 0964873
NUT
 
325, E110, E110B, E120, E120B, E140, E180, E200B, E240, E240C, E300B, E650, E70, E70B, EL240B
  
325, E110, E110B, E120, E120B, E140, E180, E200B, E240, E240C, E300B, E650, E70, E70B, EL240B
 5S6348
NUT
 
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1674, 215, 225, 235, 235B, 330, 330 FM L, 330 L, 3304, 3304B, 3306,...
 
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1674, 215, 225, 235, 235B, 330, 330 FM L, 330 L, 3304, 3304B, 3306,...
 1F0750
NUT-WELD
 
215B, 3116, 3126, 3126B, 3176B, 3176C, 3196, 3208, 3304, 3304B, 3306, 3306B, 3306C, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 35, 3508, 3508B, 3508C, 3512,...
 
215B, 3116, 3126, 3126B, 3176B, 3176C, 3196, 3208, 3304, 3304B, 3306, 3306B, 3306C, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 35, 3508, 3508B, 3508C, 3512,...
 5B9079
NUT-JAM
 
1140, 1150, 117, 120, 120B, 120G, 120H, 120H ES, 129, 12E, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 140, 140B, 140G, 140H, 140H ES, 140H NA, 141, 143H, 14E, 14G, 14H, 14H NA, 153, 16, 160G, 160H, 160H ES...
 
1140, 1150, 117, 120, 120B, 120G, 120H, 120H ES, 129, 12E, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 140, 140B, 140G, 140H, 140H ES, 140H NA, 141, 143H, 14E, 14G, 14H, 14H NA, 153, 16, 160G, 160H, 160H ES...
 5L9653
NUT
 
3114, 3116, 3126, 3126B, 3176B, 3176C, 3196, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3406E, 3408, 3408C, 3408E, 3456, 3508, 3508B, 3508C, 3512, 3512B, 3516, 3516B, 3516C, C-10, C-12, C-15, C-16,...
 
3114, 3116, 3126, 3126B, 3176B, 3176C, 3196, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3406E, 3408, 3408C, 3408E, 3456, 3508, 3508B, 3508C, 3512, 3512B, 3516, 3516B, 3516C, C-10, C-12, C-15, C-16,...
 4B4752
NUT
 
3114, 3116, 3126, 3126B, 3304, 3304B, 3306, 3306B, C-9, C7, C9, CX31-C9I, D320A, D353C, D364, D375D, D379A, D397D, D398, G3304, G3306, TH31-E61
 
3114, 3116, 3126, 3126B, 3304, 3304B, 3306, 3306B, C-9, C7, C9, CX31-C9I, D320A, D353C, D364, D375D, D379A, D397D, D398, G3304, G3306, TH31-E61
 5L2017
NUT
 
3114, 3116, 3126, 3126B, 3160, 3208, 3306, 3406, 3408, 3408B, 3412, 3412D, 3412E, C-9, C18, C32, C7, C9, CX31-C9I, D343, D348, TH31-E61
  
3114, 3116, 3126, 3126B, 3160, 3208, 3306, 3406, 3408, 3408B, 3412, 3412D, 3412E, C-9, C18, C32, C7, C9, CX31-C9I, D343, D348, TH31-E61
 7X0447
NUT
 
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 16H NA, 215B, 215C, 215D, 219D...
 
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 16H NA, 215B, 215C, 215D, 219D...
 1D4716
NUT-FULL
 
1140, 1145, 1150, 1160, 120, 120B, 120G, 12E, 12F, 12G, 130G, 140, 140B, 140G, 141, 143H, 14E, 14G, 153, 16, 160G, 160H, 163, 1673, 1673B, 1673C, 1674, 1676, 1693, 16G, 172, 173B, 183, 183B, 184, 191,...
 
1140, 1145, 1150, 1160, 120, 120B, 120G, 12E, 12F, 12G, 130G, 140, 140B, 140G, 141, 143H, 14E, 14G, 153, 16, 160G, 160H, 163, 1673, 1673B, 1673C, 1674, 1676, 1693, 16G, 172, 173B, 183, 183B, 184, 191,...
 5S0003
NUT
 
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H, 14H NA, 14M, 160G, 160H, 160H ES, 160H NA, 163H, 163H NA, 16G, 16H, 16H NA, 2...
 
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H, 14H NA, 14M, 160G, 160H, 160H ES, 160H NA, 163H, 163H NA, 16G, 16H, 16H NA, 2...
 8F8998
NUT-FITTING
 
12E, 12G, 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 16, 160H, 160H NA, 1673, 1673B, 1674, 1676, 1693, 172, 215, 225, 235, 3160, 3176B, 3304, 3304B, 3306, 3306B, 44, 46, 518, 545, 561B, 572G, ...
 
12E, 12G, 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 16, 160H, 160H NA, 1673, 1673B, 1674, 1676, 1693, 172, 215, 225, 235, 3160, 3176B, 3304, 3304B, 3306, 3306B, 44, 46, 518, 545, 561B, 572G, ...
 5P4448
NUT-AIR BRAKE
 
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 235, 235B, 330, 330 FM L, 330 L, 3304, 3304B, 3306, 3306B, 330B, 330B L, 3...
 
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 235, 235B, 330, 330 FM L, 330 L, 3304, 3304B, 3306, 3306B, 330B, 330B L, 3...
 7F0216
NUT-JAM
 
120H, 12H, 12H ES, 12H NA, 135H, 140G, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 30/30, 3126, 3126B, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325B L, 325D, 325D FM, 325...
 
120H, 12H, 12H ES, 12H NA, 135H, 140G, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 30/30, 3126, 3126B, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325B L, 325D, 325D FM, 325...
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
