INJECTOR GP- 1287991 - Caterpillar

1287991 INJECTOR GP- Caterpillar parts

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Alternative (cross code) number:
CA1287991
128-7991
1287991

Weight: 5 pounds 2 kg.

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1287991 Injector (REMAN) 6 Month Ltd. Warranty - G&T Engine Parts

$708.44

21 Aug 2025

US: QUALITY PARTS

1287991 Injector (REMAN) 6 Month Ltd. Warranty - G&T Engine Parts
G&T Engine Parts Part Number: 1287991 || Application: Engine C18 || Quality: 100% Tested Before Shipping to Ensure Product Quality || Ltd. Warranty: 6 months || Use of any OEM manufacturer name is not intended to represent any relationship between the two companies, instead it indicates that we sell replacement parts that are compatible with OEM components.

1287991 Injector (REMAN) 6 Month Warranty

$755.63

01 May 2025

US: QUALITY PARTS

1287991 Injector (REMAN) 6 Month Warranty
G&T Engine Parts Part Number: 1287991 || Application: Engine С18 || Quality: 100% Tested Before Shipping to Ensure Product Quality || Warranty: 6 months

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#1163472 1287991

2023-07-13

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that are equipped with a System 14 or a System 17 have an additional Implement ECM. Note: Prior to replacement of the ECM, ensure that replacement is absolutely necessary. The ECM is seldom the cause of a diagnostic code. Always check that the proper ground and power is available to the ECM and the monitor. Battery voltage is required at contact 1 of connector 1. Ground is required at contact 2 of the harness connector for the ECM.Note: New electronic control modules are available either preprogrammed for a particular machine or the ECM is not programmed. An ECM that has not been programmed must be programmed by using the Caterpillar Electronic Technician (ET). See Testing and Adjusting, "Electronic Control Module (ECM) - Flash Program". See item 7 in order to determine whether the ECM has been programmed.
Turn the disconnect switch and the keyswitch to the OFF position.
Disconnect the machine harnesses from the ECM.
Remove the ECM.
Verify that the replacement for the controller has the correct part number.
Install the new ECM.
Connect the machine harness to the ECM.
Determine whether the ECM has been programmed. Connect the Caterpillar Electronic Technician (ET) to the service tool connector. The ET communicates to the ECM.The ET will indicate whether the ECM has been programmed. An ECM that has not been programmed must be programmed by using the WinFlash software which is contained in the ET. See Testing and Adjusting, "Electronic Control Module (ECM) - Flash Program".The ET will provide access to the ECM, if the ECM has already been programmed.
Turn the disconnect switch and the keyswitch to the ON position.
Verify proper operation of the ECM.Note: Some Variations in the ET menu may be experienced. View the proper subject for information about a specific ET menu.Note: Performance will be affected by ANY calibration procedures that are omitted. Make sure that all calibration procedures are performed. Perform all calibration procedures, even if the replacement ECM was acquired from a similar machine.Note: The profile of the operator will be lost when the ECM is replaced.