1W6440 GASKET Caterpillar parts
D353C, D9H
Rating:
Alternative (cross code) number:
CA1W6440
1W-6440
1W6440
CA1W6440
1W-6440
1W6440
Weight: 0.80 pounds 0 kg.
MARINE ENGINE, TRACK-TYPE TRACTOR,
Related part:
1W6440
GASKET-CYL-HD-YM
4499548
CL
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US$42.69
15 Jul 2025
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Replacement for fits 1W6440 Gasket Cyl Head Fits Caterpillar Models
ZHAONN
ZHAONN
$31.30
06 Mar 2022
US: Florida-Parts-Z
1W6440 - Gasket 7N3083 8N7264 for Caterpillar (CAT)
FIRST PRICE PARTS
FIRST PRICE PARTS
$60.46
14 Sep 2021
0.93[0.42] Pounds
US: Highway And Hea
1W6440 | Caterpillar Gasket - Head D353
HHP HIGHWAY & HEAVY PARTS HHP provides parts equal or better in quality compared to the OE at a fraction of the cost. || Products are crafted with hard-wearing materials for long-lasting strength and durability. || Parts meet or exceed OEM specifications to ensure proper fit and function. || Image(s) is for illustration purposes only and may not represent the actual part. || Products are only sourced from quality certified manufacturing facilities.
HHP HIGHWAY & HEAVY PARTS HHP provides parts equal or better in quality compared to the OE at a fraction of the cost. || Products are crafted with hard-wearing materials for long-lasting strength and durability. || Parts meet or exceed OEM specifications to ensure proper fit and function. || Image(s) is for illustration purposes only and may not represent the actual part. || Products are only sourced from quality certified manufacturing facilities.
Number on catalog scheme:
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Information:
Use this procedure to troubleshoot a high crankcase pressure. Also, use this procedure if one of the following event codes is active or logged.
Table 1
J1939 Code and Description Comments
101-0
Engine Crankcase Pressure : High - most severe (3) The engine crankcase pressure is greater than the trip point pressure for the programmed delay time.
The code is logged.
101-15
Engine Crankcase Pressure : High - least severe (1) The engine crankcase pressure is greater than the trip point pressure for the programmed delay time.
The code is logged. Probable Causes
Oil level
Crankcase breather
Ventilation system (if equipped)
Sensor
Worn engine componentsRecommended Actions
Table 2
Troubleshooting Test Steps Values Results
1. Check the Engine Oil Level
Oil Level
Result: The engine oil level is OK.
Proceed to Test Step 2.
Result: The engine oil level is high.
Repair: Troubleshoot the cause of the incorrect oil level.
If the problem is not resolved, proceed to Test Step 2.
2. Check for a Plugged Crankcase Breather
Note: If the engine is running in cold ambient temperatures, check to ensure that the breather tube is not plugged with ice.
Plugged Breather
Result: The crankcase breather is not plugged.
Proceed to Test Step 3.
Result: The crankcase breather is plugged.
Repair: Replace the crankcase breather.
Note: A plugged crankcase breather can cause the crankshaft seal to leak. Sealing of the piston rings can be lost and the increase in crankcase blowby will increase the crankcase pressure.
If the problem is not resolved, proceed to Test Step 3.
3. Check the Crankcase Ventilation System
Note: Engines that use bio-gas may have a system for ventilation of the crankcase. A problem with the ventilation system can increase the crankcase pressure.
Ventilation System
Result: The crankcase ventilation system is OK.
Proceed to Test Step 4.
Result: The crankcase ventilation system is NOT OK.
Repair: For information on crankcase ventilation system, refer to the Original Equipment Manufacturers (OEM) service information.
If the problem is not resolved, proceed to Test Step 4.
4. Check the Crankcase Pressure Sensor
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Turn the main disconnect switch to the ON position. Do not start the engine.
C. Remove the oil filler cap.
D. Use Cat ET to monitor the following pressures:
- Crankcase pressure
Sensor
Result: The crankcase pressure is within 0 1 kPa (0 4inch of H2O) of 0 with the main disconnect switch in the ON position.
Proceed to Test Step 6.
Result: The crankcase pressure is not within 0 1 kPa (0 4inch of H2O) of 0 with the main disconnect switch in the ON position.
Proceed to Test Step 5.
5. Inspect the Electrical Connectors and the Wiring
A. Turn the main disconnect switch to the OFF position.
B. Thoroughly inspect the connectors. Refer to Troubleshooting, "Electrical Connectors-Inspect" for additional information.
C. Perform a 45 N (10 lb) pull test on the connector wires.
D. Check the harness for abrasions and pinch points.
Connectors and Wiring
Result: The connectors and wiring appear to be OK.
Repair: Replace the sensor.
If the problem is not resolved, proceed to Test Step 6.
Result: There is a problem with the connectors and/or wiring.
Repair: Repair or replace the connectors or wiring. Ensure that all the seals are properly in place and ensure
Table 1
J1939 Code and Description Comments
101-0
Engine Crankcase Pressure : High - most severe (3) The engine crankcase pressure is greater than the trip point pressure for the programmed delay time.
The code is logged.
101-15
Engine Crankcase Pressure : High - least severe (1) The engine crankcase pressure is greater than the trip point pressure for the programmed delay time.
The code is logged. Probable Causes
Oil level
Crankcase breather
Ventilation system (if equipped)
Sensor
Worn engine componentsRecommended Actions
Table 2
Troubleshooting Test Steps Values Results
1. Check the Engine Oil Level
Oil Level
Result: The engine oil level is OK.
Proceed to Test Step 2.
Result: The engine oil level is high.
Repair: Troubleshoot the cause of the incorrect oil level.
If the problem is not resolved, proceed to Test Step 2.
2. Check for a Plugged Crankcase Breather
Note: If the engine is running in cold ambient temperatures, check to ensure that the breather tube is not plugged with ice.
Plugged Breather
Result: The crankcase breather is not plugged.
Proceed to Test Step 3.
Result: The crankcase breather is plugged.
Repair: Replace the crankcase breather.
Note: A plugged crankcase breather can cause the crankshaft seal to leak. Sealing of the piston rings can be lost and the increase in crankcase blowby will increase the crankcase pressure.
If the problem is not resolved, proceed to Test Step 3.
3. Check the Crankcase Ventilation System
Note: Engines that use bio-gas may have a system for ventilation of the crankcase. A problem with the ventilation system can increase the crankcase pressure.
Ventilation System
Result: The crankcase ventilation system is OK.
Proceed to Test Step 4.
Result: The crankcase ventilation system is NOT OK.
Repair: For information on crankcase ventilation system, refer to the Original Equipment Manufacturers (OEM) service information.
If the problem is not resolved, proceed to Test Step 4.
4. Check the Crankcase Pressure Sensor
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Turn the main disconnect switch to the ON position. Do not start the engine.
C. Remove the oil filler cap.
D. Use Cat ET to monitor the following pressures:
- Crankcase pressure
Sensor
Result: The crankcase pressure is within 0 1 kPa (0 4inch of H2O) of 0 with the main disconnect switch in the ON position.
Proceed to Test Step 6.
Result: The crankcase pressure is not within 0 1 kPa (0 4inch of H2O) of 0 with the main disconnect switch in the ON position.
Proceed to Test Step 5.
5. Inspect the Electrical Connectors and the Wiring
A. Turn the main disconnect switch to the OFF position.
B. Thoroughly inspect the connectors. Refer to Troubleshooting, "Electrical Connectors-Inspect" for additional information.
C. Perform a 45 N (10 lb) pull test on the connector wires.
D. Check the harness for abrasions and pinch points.
Connectors and Wiring
Result: The connectors and wiring appear to be OK.
Repair: Replace the sensor.
If the problem is not resolved, proceed to Test Step 6.
Result: There is a problem with the connectors and/or wiring.
Repair: Repair or replace the connectors or wiring. Ensure that all the seals are properly in place and ensure
Caterpillar parts catalog:
Parts gasket Caterpillar catalog:
120, 12E, 12F, 140, 14E, 153, 16, 163, 235, 235C, 561B, 561C, 561M, 561N, 572G, 572R, 572R II, 578, 583R, 583T, 587R, 587T, 594, 621, 621E, 623, 627, 627B, 627E, 627F, 627G, 637B, 637D, 637E, 637G, 65...
3406, 3406B, 3406C, 3408, 3412, D320A, D330A, D330B, D333A, D333B, D336, D343, D353C, G3406, G3508, G3508B, G3512B, G3516, G3516B, G3516H, G3520B
D353C, G353D
12E, 16, 561B, 572G, 583H, 583K, 621, 641B, 650B, 651, 657, 657B, 666, 769, 772, 773, 777, 824, 824B, 834, 955L, 977H, 980, 988, 992, D10, D326F, D337, D342, D342C, D343, D348, D353C, D375D, D397D, D8...
1693, 594, 621, 641, 651, 657, 666, 769, 824, 955C, 980, D315, D320A, D326F, D337, D337F, D342, D342C, D343, D353C, D8H, D9E, D9G, D9H, G342C
594H, D353C, D9G, D9H
594, D353C, D9G, D9H
D353C, D9E, D9G, D9H, G353D
594, D353C, D9E, D9G, D9H
594, D337, D9E, D9G, D9H
772, 773, 777, 992, D11N, D11R, D346, D348, D349, D9H
16, 583K, 594, 594H, 826C, 916, AD30, D250D, D25C, D30C, D350C, D35C, D5B, D6D, D6E, D6G2 LGP, D6G2 XL, D6H, D7G, D7G2, D7R XR, D8H, D8K, D9G, D9H, D9N, IT28, R1600, R1600G
D353C, D7G
9F7657
GASKET
D337
D337
3F3635
GASKET
D337, D342
D337, D342
3F3638
GASKET
D342
D342
3F3633
GASKET
D342
D342
D364, D375D, D397D
3508, 3512, 3516, 3516B, 776C, 776D, 777, 777B, 777C, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793C, 793D, 854G, 992G, 994, 994D, 994F, 994H
8F4413
GASKET
D364, D375D, D397D
D364, D375D, D397D
955C, D315
955C, D315
955C, D315, D364
955C, D315, D342