3451909 KIT- Caterpillar parts
Rating:
Alternative (cross code) number:
CA3451909
345-1909
3451909
CA3451909
345-1909
3451909
Weight: 0.20 pounds 0 kg.
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$43.94
20 Jan 2022
US: Florida-Parts-Z
3451909 Kit Gasket Oil Cooler & Lines for Caterpillar C7 WE Sell Parts!
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$40.99
19 Dec 2021
2.0[0.90] Pounds
US: Stevens Lake Pa
One New Gasket Kit Fits CAT, Fits Caterpillar C-7 Models Interchangeable with 3451909, ENH0-0243
Stevens Lake Parts One New Gasket Kit || This Is An Aftermarket Replacement Part Made To Meet Or Exceed OEM Specifications. || Please Note That OEM Part Numbers, Models, & Dimensions Are Intended For Your Cross-Reference. Feel || Some Listings Use Stock Images For Customer Reference, Please Allow For Slight Differences.
Stevens Lake Parts One New Gasket Kit || This Is An Aftermarket Replacement Part Made To Meet Or Exceed OEM Specifications. || Please Note That OEM Part Numbers, Models, & Dimensions Are Intended For Your Cross-Reference. Feel || Some Listings Use Stock Images For Customer Reference, Please Allow For Slight Differences.
$122.72
18 Oct 2020
-: -
1 Pc of 3451909 New Gasket Kit, Compatible with Caterpillar CAT Industrial Engine Model C-7
One New Replacement Gasket Kit, Compatible With Caterpillar Industrial Construction Engine Model: C-7 || Replaces Part Numbers: ENH0-0243, 3451909
One New Replacement Gasket Kit, Compatible With Caterpillar Industrial Construction Engine Model: C-7 || Replaces Part Numbers: ENH0-0243, 3451909
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Information:
Table 1 lists the diagnostic codes for the Diesel Exhaust Fluid (DEF) pump circuit.
Table 1
J1939 Code and Description CDL Code and Description Comments
4334–3
Aftertreatment #1 DEF #1 Pressure (absolute) : Voltage Above Normal 3090–3
Aftertreatment #1 DEF Pressure #1 Sensor : Voltage Above Normal There is excessive voltage on the signal wire between the A6:E2 Electronic Control Module (ECM) and the DEF pump. Or there is an open circuit on the supply, signal, or return wire.
The code is logged.
4334–4
Aftertreatment #1 DEF #1 Pressure (absolute) : Voltage Below Normal 3090–4
Aftertreatment #1 DEF Pressure #1 Sensor : Voltage Below Normal There is low voltage on the signal wire between the ECM and the DEF pump pressure sensor.
The code is logged.
4337–5
Aftertreatment #1 DEF Doser #1 Temperature : Current Below Normal 3096–5
Aftertreatment #1 DEF Temperature #1 Sensor : Current Below Normal This code indicates that there is a problem with the DEF Pump temperature sensor or the wiring harness between the DEF Pump and the Engine ECM
4337–6
Aftertreatment #1 DEF Doser #1 Temperature : Current Above Normal 3096–6
Aftertreatment #1 DEF Temperature #1 Sensor : Current Above Normal This code indicates that there is a problem with the DEF Pump temperature sensor or the wiring harness between the DEF Pump and the Engine ECM
4374-5
Aftertreatment #1 DEF Pump #1 Motor Speed : Current Below Normal 3118-5
Aftertreatment #1 DEF Pump Motor Speed Sensor : Current Below Normal This code indicates that there is problem with the DEF pump or the wiring harness.
4374-6
Aftertreatment #1 DEF Pump #1 Motor Speed : Current Above Normal 3118-6
Aftertreatment #1 DEF Pump Motor Speed Sensor : Current Above Normal This code indicates that there is problem with the DEF pump or the wiring harness.
4376–5
Aftertreatment #1 DEF Return Valve : Current Below Normal 3862–5
Aftertreatment #1 DEF Return Valve Solenoid : Current Below Normal This code indicates that there is a problem with the DEF Pump reverting valve or the wiring harness between the DEF Pump and the ECM.
4376–6
Aftertreatment #1 DEF Return Valve : Current Above Normal 3862–6
Aftertreatment #1 DEF Return Valve Solenoid : Current Above Normal This code indicates that there is a problem with the DEF Pump reverting valve or the wiring harness between the DEF Pump and the ECM.
4376–14
Aftertreatment #1 DEF Return Valve : Special Instruction 3862–14
Aftertreatment #1 DEF Return Valve Solenoid : Special Instruction This code indicates that there is a problem with the DEF Pump reverting valve or the wiring harness between the DEF Pump and the ECM.
Table 2
Required Tooling
Qty Part Number Part Name
4 398-5056 Probe
Table 3
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
Codes
Result: A 4374–5 or 3118–5 is
Table 1
J1939 Code and Description CDL Code and Description Comments
4334–3
Aftertreatment #1 DEF #1 Pressure (absolute) : Voltage Above Normal 3090–3
Aftertreatment #1 DEF Pressure #1 Sensor : Voltage Above Normal There is excessive voltage on the signal wire between the A6:E2 Electronic Control Module (ECM) and the DEF pump. Or there is an open circuit on the supply, signal, or return wire.
The code is logged.
4334–4
Aftertreatment #1 DEF #1 Pressure (absolute) : Voltage Below Normal 3090–4
Aftertreatment #1 DEF Pressure #1 Sensor : Voltage Below Normal There is low voltage on the signal wire between the ECM and the DEF pump pressure sensor.
The code is logged.
4337–5
Aftertreatment #1 DEF Doser #1 Temperature : Current Below Normal 3096–5
Aftertreatment #1 DEF Temperature #1 Sensor : Current Below Normal This code indicates that there is a problem with the DEF Pump temperature sensor or the wiring harness between the DEF Pump and the Engine ECM
4337–6
Aftertreatment #1 DEF Doser #1 Temperature : Current Above Normal 3096–6
Aftertreatment #1 DEF Temperature #1 Sensor : Current Above Normal This code indicates that there is a problem with the DEF Pump temperature sensor or the wiring harness between the DEF Pump and the Engine ECM
4374-5
Aftertreatment #1 DEF Pump #1 Motor Speed : Current Below Normal 3118-5
Aftertreatment #1 DEF Pump Motor Speed Sensor : Current Below Normal This code indicates that there is problem with the DEF pump or the wiring harness.
4374-6
Aftertreatment #1 DEF Pump #1 Motor Speed : Current Above Normal 3118-6
Aftertreatment #1 DEF Pump Motor Speed Sensor : Current Above Normal This code indicates that there is problem with the DEF pump or the wiring harness.
4376–5
Aftertreatment #1 DEF Return Valve : Current Below Normal 3862–5
Aftertreatment #1 DEF Return Valve Solenoid : Current Below Normal This code indicates that there is a problem with the DEF Pump reverting valve or the wiring harness between the DEF Pump and the ECM.
4376–6
Aftertreatment #1 DEF Return Valve : Current Above Normal 3862–6
Aftertreatment #1 DEF Return Valve Solenoid : Current Above Normal This code indicates that there is a problem with the DEF Pump reverting valve or the wiring harness between the DEF Pump and the ECM.
4376–14
Aftertreatment #1 DEF Return Valve : Special Instruction 3862–14
Aftertreatment #1 DEF Return Valve Solenoid : Special Instruction This code indicates that there is a problem with the DEF Pump reverting valve or the wiring harness between the DEF Pump and the ECM.
Table 2
Required Tooling
Qty Part Number Part Name
4 398-5056 Probe
Table 3
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
Codes
Result: A 4374–5 or 3118–5 is
Caterpillar SIS machinery equipment:
Caterpillar SIS
950H Wheel Loader N1A00001-UP (MACHINE) POWERED BY C7 Engine »
345-1909
KIT-GASKET
950H Wheel Loader K5K00001-UP (MACHINE) POWERED BY C7 Engine »
345-1909
KIT-GASKET
950H Wheel Loader M1G00001-UP (MACHINE) POWERED BY C7 Engine »
345-1909
KIT-GASKET
950H PhII Wheel Loader K5K01000-UP (MACHINE) POWERED BY C7 Engine »
345-1909
KIT-GASKET
Parts kit Caterpillar catalog:
3451846
KIT-INLET AS
Caterpillar
Caterpillar
3451824
KIT-INLET AS
Caterpillar
Caterpillar
3451793
KIT-DISCONNECT
Caterpillar
Caterpillar
3451792
KIT-DISCONNECT
Caterpillar
Caterpillar
Caterpillar
3451610
KIT AR
Caterpillar
Caterpillar
3458067
KIT-DT BEARING
Caterpillar
Caterpillar
3458066
KIT-DT BEARING
Caterpillar
Caterpillar
Caterpillar
Caterpillar
3454079
KIT
Caterpillar
Caterpillar
3453408
KIT-SEAL-
Caterpillar
Caterpillar