3500973 KIT-SEAL Caterpillar parts
320D, 325D, 325D L, 328D LCR, 329D, 329D L, 329E, 329E L, 329E LN
Rating:
Alternative (cross code) number:
CA3500973
350-0973
3500973
CA3500973
350-0973
3500973
Weight: 0.57 pounds 0 kg.
EXCAVATOR, MOBILE HYD POWER UNIT,
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US$75.99
28 May 2025
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3979091 3980963 3500973 Seal kit Compatible with Caterpillar CAT 320D Hydraulic Cylinder (3979091)
Generic 3979091 3980963 3500973 seal kit Compatible with Caterpillar CAT 320D hydraulic cylinder
Generic 3979091 3980963 3500973 seal kit Compatible with Caterpillar CAT 320D hydraulic cylinder
234-4566 350-0973 Boom Cylinder Seal Kit for Caterpillar 325D 328D 329E/D
HQPA
HQPA
Compatible equipment models: 3500973:
Information:
Table 1
Diagnostic Codes
J1939 CDL Description Comments
107-3 582-3 Engine Air Filter 1 Differential Pressure : Voltage Above Normal This code indicates a fault in the circuit for the air filter restriction switch.
The air filter restriction circuit is open or shorted for at least 1 second while the engine is not running. The open or short circuit depends on the configuration of the switch. Tables 2 and 3 contains the normal engine conditions and switch states for the air filter restrictions switch.
Table 2
Normally Open Air Filter Restriction Switch
Engine Condition Switch State
Not running Open
Running Closed
Table 3
Normally Closed Air Filter Restriction Switch
Engine Condition Switch State
Not running Closed
Running Open
Table 4
Troubleshooting Test Steps Values Results
1. Check the "Air Filter Restriction Switch Configuration".
A. Turn the keyswitch to ON.
B. Connect to Cat® Electronic Technician (ET).
C. Under "Configuration Parameters" check the "Air Filter Restriction Switch Configuration".
Air Filter Restriction Switch Configuration
Results : The switch is configured to "Normally Open".
Proceed to Test Step 2.
Results : The switch is configured to "Normally Closed".
Proceed to Test Step 3.
2. Check the Air Filter Restriction Switch
A. Turn the keyswitch to OFF.
B. Disconnect the air filter restriction switch from the wiring harness connector.
C. Turn the keyswitch to ON.
D. Monitor Cat ET for active fault codes.
Diagnostic codes
Results : There is not an active 107-3 or 582-3 fault code. A failed air filter restriction switch has been detected.
Repair : Replace the air filter restriction switch.
Verify that the repairs eliminated the issue. Return the machine to service.
Results : There is an active 107-3 or 582-3 fault code. A short circuit in the wiring harness has been detected.
Repair : Repair or replace the wiring harness.
Verify that the repairs eliminated the issue.
3. Check the Air Filter Restriction Switch
A. Turn the keyswitch to OFF.
B. Disconnect the air filter restriction switch from the wiring harness connector.
C. Install a jumper wire in the wiring harness connector between the signal and ground wires.
D. Turn the keyswitch to ON.
E. Monitor Cat ET for active fault codes.
Diagnostic codes
Results : There is not an active 107-3 or 582-3 fault code. A failed air filter restriction switch has been detected.
Repair : Replace the air filter restriction switch.
Verify that the repairs eliminated the issue. Return the machine to service.
Results : There is an active 107-3 or 582-3 fault code. An open circuit in the wiring harness has been detected.
Repair : Repair or replace the wiring harness.
Verify that the repairs eliminated the issue.
Caterpillar parts catalog:
Parts kit Caterpillar catalog:
3764332
KIT-SEAL
324D, 324D L, 325D L, 326D L, 329D, 329D L, 330D, 330D L, 336D, 336D L
324D, 324D L, 325D L, 326D L, 329D, 329D L, 330D, 330D L, 336D, 336D L
3979295
KIT-SEAL
324D, 324D FM, 324D L, 324D LN, 324E L, 324E LN, 329E L, 329E LN
324D, 324D FM, 324D L, 324D LN, 324E L, 324E LN, 329E L, 329E LN
2344587
KIT-SEAL
320D, 320D FM, 320D L, 323D L, 323D LN, 323D SA, 325D, 325D L, 328D LCR, 329D, 329D L
320D, 320D FM, 320D L, 323D L, 323D LN, 323D SA, 325D, 325D L, 328D LCR, 329D, 329D L
2590656
KIT-SEAL
320D, 320D L, 323D L, 323D LN, 323D SA, 325D, 325D L, 328D LCR, 329D, 329D L
320D, 320D L, 323D L, 323D LN, 323D SA, 325D, 325D L, 328D LCR, 329D, 329D L
2668045
KIT-SEAL
320D, 320D L, 323D L, 325D L, 329D, 329D L
320D, 320D L, 323D L, 325D L, 329D, 329D L
2344576
KIT-SEAL
320D, 320D L, 320E L, 325D, 325D L, 328D LCR, 329D, 329D L
320D, 320D L, 320E L, 325D, 325D L, 328D LCR, 329D, 329D L
3500975
KIT-SEAL
320D, 320D L, 320D2, 320D2 L, 320E, 320E L, 320E LN, 325D, 325D L, 328D LCR, 329D, 329D L, 329E, 329E L, 329E LN
320D, 320D L, 320D2, 320D2 L, 320E, 320E L, 320E LN, 325D, 325D L, 328D LCR, 329D, 329D L, 329E, 329E L, 329E LN
3500974
KIT-SEAL
320D, 320D L, 320E, 320E L, 320E LN, 325D, 325D L, 328D LCR, 329D, 329D L
320D, 320D L, 320E, 320E L, 320E LN, 325D, 325D L, 328D LCR, 329D, 329D L
2344566
KIT-SEAL
320D, 325D, 325D L, 328D LCR, 329D, 329D L
320D, 325D, 325D L, 328D LCR, 329D, 329D L
2502475
KIT-SEAL
325C, 325D L, 330C L, 330D, 330D L, 336D, 336D L
325C, 325D L, 330C L, 330D, 330D L, 336D, 336D L
1997417
KIT-SEAL
325B L, 328D LCR, 330B, 330B L, 345B L
325B L, 328D LCR, 330B, 330B L, 345B L
2668015
KIT-SEAL
325D L, 329D, 329D L
325D L, 329D, 329D L
2344566
KIT-SEAL
320D, 325D, 325D L, 328D LCR, 329D, 329D L
320D, 325D, 325D L, 328D LCR, 329D, 329D L
3500963
KIT-SEAL
320E L, 321D LCR
320E L, 321D LCR
2835988
KIT-SEAL
321D LCR
321D LCR
3981900
KIT-SEAL
320D, 320D FM, 320D2, 320D2 L
320D, 320D FM, 320D2, 320D2 L
3500968
KIT-SEAL
320D, 320E, 320E RR
320D, 320E, 320E RR
4507126
KIT-VALVE
320D, 320D L, 320D LN, 320D2 L, 320E LN, 323D L, 323D LN, 323D SA, 323E L, 324D L, 325D L, 329D, 329D L, 330D L, 336D, 336D2, 336E, 336E LN, 349D, 349D L, 349E L VG, 374F L, 390F L
320D, 320D L, 320D LN, 320D2 L, 320E LN, 323D L, 323D LN, 323D SA, 323E L, 324D L, 325D L, 329D, 329D L, 330D L, 336D, 336D2, 336E, 336E LN, 349D, 349D L, 349E L VG, 374F L, 390F L
4181426
KIT-SEAL
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
4181415
KIT-SERVO CYLINDER
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
4181414
KIT-SERVO PISTON
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
3987704
KIT-CYLINDER BLOCK
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
3775481
KIT-OVERHAUL
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
4202899
KIT-COIL
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C
2470C, 2570C, 2670C, 2864C, 553C, 563C, 573C, 586C