4M3948 RING-SEAL Caterpillar parts
572G, 977K, 977L, 983, 983B, D6C, D6D, D6E, D6E SR, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7F, D7G, D7G2
Rating:
Alternative (cross code) number:
CA4M3948
4M-3948
4M3948
CA4M3948
4M-3948
4M3948
Weight: 0.05 pounds 0 kg.
Information:
AXIAL WIDTH
4.59
mm
ID
132.68
mm
MATERIAL
(PTFE) Plastic - Glass filled
OD
139.7
mm
RADIAL HEIGHT
3.51
mm
PIPELAYER, TRACK-TYPE TRACTOR,
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$16.52
19 Jan 2024
US: Florida-Parts-Z
4M3948 - Packing,Preformed for Caterpillar (CAT)
FIRST PRICE PARTS
FIRST PRICE PARTS
$24.88
05 Sep 2022
0.1102[0.05] Pounds
US: KMP BRAND
4M3948 SEAL suitable for Caterpillar174;
KMP BRAND Suitable replacement for Caterpillar®: 4M3948
KMP BRAND Suitable replacement for Caterpillar®: 4M3948
$8.60
27 Jul 2022
0.1102[0.05] Pounds
US: TakePart
4M3948 SEAL suitable for Caterpillar174;
KMP BRAND Suitable replacement for Caterpillar®: 4M3948
KMP BRAND Suitable replacement for Caterpillar®: 4M3948
This part in 2 request:
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2019-03-20
2019-03-19
Number on catalog scheme:
5
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Compatible equipment models: 4M3948:
Information:
System Operation Description:Use this procedure in order to troubleshoot the listed codes.
Table 1
Diagnostic Trouble Codes for ARD High Fuel Pressure
J1939 Code Description Conditions Which Cause the Code
3480-16 Aftertreatment #1 Fuel Pressure #1 : High - Moderate Severity (2) The main fuel pressure is greater than 200 kPa during a regeneration when no main fuel pressure is desired. Or the main fuel pressure is present when a regeneration is not active.
4077-16 Aftertreatment #1 Fuel Pressure #2 : High - Moderate Severity (2) The fuel pilot fuel pressure is higher than desired during a regeneration. Or the system has detected pilot fuel pressure greater than 200 kPa while the regeneration is not active
Follow the troubleshooting procedure in order to identify the root cause of the problem. Illustration 1 and Illustration 2 show an overview of the troubleshooting procedure. Follow the steps in order.
Illustration 1 g02004574
Illustration 2 g02004636
The fuel system provides the engine and the Aftertreatment Regeneration Device (ARD) with pressurized fuel. This procedure verifies that the fuel system can provide adequate fuel pressure for the cylinder head and for the ARD.Fuel System PressuresThe typical fuel pressure of the engine at operating temperature can vary.Use this procedure if the engine starts. If the engine will not start, refer to Troubleshooting, "Engine Cranks But Does Not Start" before you use this procedure.Fuel Requirements for the ARDPilot Fuel (Aftertreatment Fuel Pressure #2). - Pilot fuel is used to start the ARD and pilot fuel is used to run the ARD. The ECM varies the pressure of the fuel according to maps that are in the flash file. The pilot fuel pressure can be viewed on Cat ET. Several factors determine the pilot fuel pressure. One factor is the desired temperature of the exhaust at the intake of the diesel particulate filter (DPF).Pilot fuel is sufficient for most of the operating conditions of the ARD. However, additional fuel may be required during certain operating conditions. The ECM commands main fuel to flow in order to provide the additional fuel.Main Fuel (Aftertreatment Fuel Pressure #1) - Main fuel flow is in addition to the pilot fuel flow. The ECM varies the pressure of the fuel according to maps that are in the flash file. The main fuel pressure can be viewed on Cat ET.
Illustration 3 g01620867
Current flow versus total fuel flow for the ARD
Table 1
Diagnostic Trouble Codes for ARD High Fuel Pressure
J1939 Code Description Conditions Which Cause the Code
3480-16 Aftertreatment #1 Fuel Pressure #1 : High - Moderate Severity (2) The main fuel pressure is greater than 200 kPa during a regeneration when no main fuel pressure is desired. Or the main fuel pressure is present when a regeneration is not active.
4077-16 Aftertreatment #1 Fuel Pressure #2 : High - Moderate Severity (2) The fuel pilot fuel pressure is higher than desired during a regeneration. Or the system has detected pilot fuel pressure greater than 200 kPa while the regeneration is not active
Follow the troubleshooting procedure in order to identify the root cause of the problem. Illustration 1 and Illustration 2 show an overview of the troubleshooting procedure. Follow the steps in order.
Illustration 1 g02004574
Illustration 2 g02004636
The fuel system provides the engine and the Aftertreatment Regeneration Device (ARD) with pressurized fuel. This procedure verifies that the fuel system can provide adequate fuel pressure for the cylinder head and for the ARD.Fuel System PressuresThe typical fuel pressure of the engine at operating temperature can vary.Use this procedure if the engine starts. If the engine will not start, refer to Troubleshooting, "Engine Cranks But Does Not Start" before you use this procedure.Fuel Requirements for the ARDPilot Fuel (Aftertreatment Fuel Pressure #2). - Pilot fuel is used to start the ARD and pilot fuel is used to run the ARD. The ECM varies the pressure of the fuel according to maps that are in the flash file. The pilot fuel pressure can be viewed on Cat ET. Several factors determine the pilot fuel pressure. One factor is the desired temperature of the exhaust at the intake of the diesel particulate filter (DPF).Pilot fuel is sufficient for most of the operating conditions of the ARD. However, additional fuel may be required during certain operating conditions. The ECM commands main fuel to flow in order to provide the additional fuel.Main Fuel (Aftertreatment Fuel Pressure #1) - Main fuel flow is in addition to the pilot fuel flow. The ECM varies the pressure of the fuel according to maps that are in the flash file. The main fuel pressure can be viewed on Cat ET.
Illustration 3 g01620867
Current flow versus total fuel flow for the ARD
Caterpillar parts catalog:
Parts ring Caterpillar catalog:
572G, D7F, D7G, D7G2
539, 572G, 594, 594H, 657B
14E, 572G, D7G, D7G2
120G, 12G, 130G, 140G, 14G, 14H, 14H NA, 160G, 16G, 16H, 16H NA, 24H, 24M, 955L, 977L
24H, 24M, 627, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 637B, 637D, 637E, 637G, 641B, 650B, 651E, 657E, 657G, 777, 824, 824C, 824G, 824G II, 824H, 824K, 825G, 825G II, 825H, 825K, 826C, 826G, 826...
173B, 518, 623B, 631C, 633D, 926, 943, 953, AP-1055B, BG-2455C, D7G, G936
539, 651E, 657E, 966C, 966R, 983, AD30, R1300, R1300G, R1300G II
966C, 966R, 983, AD30, R1300, R1300G, R1300G II
572G, 594H, 611, 613G, 615C, 824C, 826C, 936F, 966D, 966F, 966F II, 970F, D350E, D400E, G936, R1300, R1300G, R1300G II, R1600, R1600G, R1600H
572G, 594H, 611, 613C, 613C II, 613G, 615C, 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627B, 627E, 627F, 627G, 651E, 657E, 657G, 814B, 814F, 814F II, 815B, 815F, 815F II, 816F, 816F II, 824C, 825...
528, 528B, 530B, 613C, 613C II, 613G, 926, 930R, D7G, IT28
621, 631C, 633C, 641, 650B, 651, 657, 657B, 666, 814, 815, 816, 824B, 825B, 826B, 834, 950, 966C, 980, 980B, 988, 992, D7F
955K, 955L, 963, 963B, 963C, D6C, D6D, D6E, D6E SR, D6G, D6G SR, D6G2 XL, D6H, OEMS
613C, 613C II, 613G, 627, 936, 936F, 950B, 950B/950E, 950F, 966C, D6C, D6D, D6D SR, D6E SR, D6F SR, D6G SR, G936
977K, 977L, D6C, D6D, D6E, D6E SR, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL
571G, 572G, 977L, 983B, D6C, D6D, D6E, D6E SR, D6G SR, D6G2 LGP, D6G2 XL, D7G, D7G2
561B, 561C, D4D, D4E, D4E SR, D5, D5B, D5E, D6C, D6D, D6E SR, D7F, D7G
7C9530
RING-PISTON
140H, 160H, D6E SR, D6H, D7H, R1700 II
140H, 160H, D6E SR, D6H, D7H, R1700 II
561B, 561C, 561D, 977D, 977H, D5, D5B, D5E
153, 814B, 815B, 910, D4E, D4E SR, D6E SR, FB518, IT12
6A, 769, 7A, 824C, 824S, 834B, D6D, D6E, D6E SR, D6G SR, D6G2 XL, D7G
572G, D5B, D5E, D6D, D6E, D6E SR, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7G, D7G2
977K, 977L, D5B, D5E, D6C, D6D, D6E, D6E SR, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL
572G, 977K, 977L, 983, 983B, D5B, D5E, D6C, D6D, D6E, D6E SR, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7F, D7G, D7G2