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VALVE SERVICE GROUP 3S6638 - Caterpillar


3S6638 VALVE SERVICE GROUP Caterpillar parts 561B, 951B, 977H, D320A


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Alternative (cross code) number:
CA3S6638
3S-6638
3S6638
Caterpillar 3S6638 VALVE SERVICE GROUP
Weight: 0.13 pounds 0 kg.

Buy VALVE SERVICE GROUP 3S6638 Caterpillar genuine, new aftermarket tractor parts with delivery
INDUSTRIAL ENGINE, TRACK LOADER,

You can buy:

Fuel Injector Nozzle 3S-6638 3S6638 for Caterpillar CAT Engine 3304 3306 3333C D320 Loader 951B 977H
US$56.12

28 May 2025
FridayParts
Fuel Injector Nozzle 3S-6638 3S6638 for Caterpillar CAT Engine 3304 3306 3333C D320 Loader 951B 977H

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As an associate, we earn commssions on qualifying purchases through the links below
YIHETOP 6PCS Fuel Injector Nozzle 2S4442 3S6638 4F4236 6H3364 8N5986 8M1584 9F0160 Compatible for Caterpillar 3306 3304 Engine
$138.90

28 Jul 2025

CN: YIHETOP
YIHETOP 6PCS Fuel Injector Nozzle 2S4442 3S6638 4F4236 6H3364 8N5986 8M1584 9F0160 Compatible for Caterpillar 3306 3304 Engine
YIHETOP Part Number: 2S4442, 3S6280, 3S6311, 3S6638, 4F4236, 5M4086, 5M2788, 6H3347, 6H3364, 8M1584, 8N4697, 8N5986, 8N3178, 9F0160, 9F2391, 9F2392, 9F5937 || Compatible for Caterpillar 3304 3306 3333C Engine
Fuel Injector Nozzle 3S-6638 3S6638 for Caterpillar CAT Engine 3304 3306 3333C D320 Loader 951B 977H
$56.00

27 May 2025

CN: shanliyijianzah
Fuel Injector Nozzle 3S-6638 3S6638 for Caterpillar CAT Engine 3304 3306 3333C D320 Loader 951B 977H
DIGERTECH Part number:3S6638 || Application:for Caterpillar CAT Engine 3304 3306 3333C D320 Loader 951B 977H
IMIFAFTAbT 6 PCS Fuel injector nozzle 3S-6638 3S6638 CA3S6638 Fits for Caterpillar CAT D320 Engine 561 Pipelayer 951B 977 Excavator
$137.00

13 Mar 2025

CN: ziwangcjx
IMIFAFTAbT 6 PCS Fuel injector nozzle 3S-6638 3S6638 CA3S6638 Fits for Caterpillar CAT D320 Engine 561 Pipelayer 951B 977 Excavator
IMIFAFTAbT Product Name: 3S-6638 3S6638 CA3S6638 Fuel injector nozzle || Part number: 3S-6638 3S6638 CA3S6638 || Fits for Caterpillar CAT D320 Engine 561 Pipelayer 951B 977 Excavator || 6 PCS Fuel injector nozzle || Note: Please confirm that the product shown in the part number is what you need. If you cannot confirm you can leave us a message and provide your engine serial number and nameplate
Show more prices Caterpillar parts
This part in 2 request: Show. This information for suppliers only!
#697611 3s-6638
2021-08-08
#21641 3S6638
2016-09-22
Number on catalog scheme: None
Caterpillar 3S6638 Parts scheme VALVE SERVICE GROUP
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Compatible equipment models: 3S6638:

INDUSTRIAL ENGINE  D320A  
PIPELAYER  561B  
TRACK LOADER  951B   977H   Caterpillar

Information:

Recommended Parts List
The parts list should be adjusted because of specific customer need. Adjust the quantities in order to match the number of systems that are installed.
Table 1
Sensors    
Description    Part Number    Quantities    
Thermocouple     124-4596     2    
Thermocouple     124-4598     1    
Temperature Sensor     141-6820     2    
Transducer     141-9880     1    
Contactor     144-0102     1    
Contactor     144-0103     1    
Pressure Contactor     117-1864     1    
Speed Sensor     8L-4171     2    
Connector     8L-8422     1    
Transducer     144-4003     1    
Table 2
Programmable Logic Controller Modules    
Description    Part Number    Quantities    
Module     145-8651     1    
Module     139-5810     1    
Module     143-8407     1    
Module     145-8649     1    
Module     139-5813     1    
Module     145-8648     1    
Battery     154-6435     1    
Fuse     154-6436     2    
Table 3
Electrical Components    
Description    Part Number    Quantities    
Relay     145-0343     2    
Relay     144-6686     2    
Plug (Diode)     3E-0357     2    
Lamp     7N-5876     2    
Transmitter     115-7954     1    
Resistor     9G-8770     2    
Table 4
Mechanical Components    
Description    Part Number    Quantities    
Hose Assembly     143-7229     2    
Cap     9L-8493     5    
Bolt     8T-6699     2    
O-Ring Seal     147-4538     2    
Adapter     150-9169     1    
Indicator     152-0710     1    

Caterpillar parts catalog:

Caterpillar parts catalog
D320 ENGINE 63B01802-UP
561 PIPELAYER 62A00205-00387 (MACHINE)
951B TRAXCAVATOR 79H00001-UP (MACHINE)
977 TRAXCAVATOR 53A04797-08886 (MACHINE)


Parts valve Caterpillar catalog:

5M6707 VALVE-RELIEF
561B, 583H, 65C, 65E, 69D, 75C, 75D, 75E, 768C, 769, 769C, 769D, 771C, 771D, 772, 772B, 773, 773B, 773D, 773E, 773F, 775B, 775D, 775E, 775F, 776, 776C, 776D, 777, 777B, 777D, 777F, 784B, 785, 785B, 78...
7M7358 VALVE (INTAKE)
12E, 1673, 561B, 951B, 955H, 955K, 977H, 977K, D330A, D330B, D333A, D333B, D4D
9M4163 VALVE (EXHAUST)
1673, 1673B, 951B, 955H, 955K, 977H, 977K, D330A, D330B, D333A, D333B, D4D
1S1830 VALVE ASSEM. (needle)
120B, 140B, 215B, 225, 229D, 235, 235C, 245, 245B, 245D, 518, 528, 54, 561B, 561C, 615, 615C, 623E, 824C, 826C, 920, 930, 941, 951B, 955H, 955K, 955L, 977H, 977K, 980B, 983, D346, D348, D379B, D4D, D5...
9B1320 VALVE
12E, 12G, 130G, 1673C, 215, 225, 3208, 3304, 3306, 518, 613B, 637D, 639D, 920, 941, 950, 955L, 977K, D320A, D4D, D5, D6C, D6D, D7F, D7G
5S1218 VALVE AS-PRESSURE RELIEF
120, 120B, 12F, 140, 140B, 14E, 16, 16G, 245, 245B, 245D, 3304B, 3306, 5130, 5130B, 5230, 5230B, 561B, 561C, 572G, 578, 589, 594H, 613, 621, 621B, 621E, 621F, 621R, 623, 623E, 623F, 627, 627B, 627E, 6...
2M7727 VALVE (EXHAUST)
D320A
9H4811 VALVE (INTAKE)
D320A
6H3364 VALVE SERVICE GROUP
D320A
2S5925 VALVE
205B, 211B, 215, 215B, 225, 227, 229, 231D, 235, 235C, 235D, 245, 307, 311, 312, 315, 317, 318B, 320 L, 320B, 322 LN, 330 FM L, 330 L, 561B, 561C, 561M, 571G, 572G, 572R, 578, 583K, 594, 594H, 623B, 6...
2S5926 VALVE
1090, 1190, 1190T, 1290T, 1390, 205B, 211B, 215, 215B, 225, 227, 229, 2290, 231D, 235, 235C, 235D, 2390, 2391, 245, 2491, 2590, 307, 307B, 307C, 307D, 307E, 308C, 308D, 308E, 308E CR, 308E SR, 308E2 C...
1J8497 VALVE
120G, 12E, 12G, 140, 14E, 14G, 16, 163, 172, 173B, 183, 183B, 191, 225, 245, 307, 312, 315, 317, 325B, 330 L, 350, 350 L, 375, 41, 44, 46, 5080, 517, 518, 518C, 527, 528, 528B, 530B, 561C, 561H, 561M,...
1N7297 VALVE ASSEM.
D348
1S5942 VALVE ASSEM.
621, 651, 657B, 666, 769, 773, 980, 980B, D9G
8L3868 VALVE (Exhaust)
G3306
4S6487 VALVE
G342C, G353D, G379
6L3981 VALVE ASSEM.
D320A, D343, G342C
7L7080 VALVE
G379
3N8323 VALVE
D398
3N4947 VALVE
D379, D398
8L8428 VALVE
D379, D398, D399, RM-250C, RR-250, RR-250B, SS-250
2S4187 VALVE ASSEM.
641B, 650B, 657B, 666B, 772, 773, D10, D348
9H4811 VALVE (INTAKE)
D320A
2M7727 VALVE (EXHAUST)
D320A
3s6638
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