8Y5203 STEM Caterpillar parts
D3C II, D3C III, D4C III, D5C III
Rating:
Alternative (cross code) number:
CA8Y5203
8Y-5203
8Y5203
CA8Y5203
8Y-5203
8Y5203
Weight: 0.26 pounds 0 kg.
TRACK-TYPE TRACTOR,
This part in 2 request:
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This information for suppliers only!
2025-02-24
2025-02-24
Information:
Removal Procedure
Start By:
Remove the flywheel. Refer to Disassembly and Assembly, " Flywheel - Remove".
Support the engine with blocks or a suitable lifting device.
Illustration 1 g01011078
Remove bolts (1).
Remove flywheel housing (2). The weight of the flywheel housing is approximately 23 kg (50 lb).
Illustration 2 g01011079
Remove O-ring seal (3) from rear seal carrier (4). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-6396 O-Ring Assembly Compound 1
B 1U-8846 Gasket Sealant 1
Illustration 3 g01011079
Apply Tooling (A) to O-ring seal (4). Install O-ring seal (3) onto rear seal carrier (4).
Apply Tooling (B) to the face of the cylinder block.
Illustration 4 g01011078
Position flywheel housing (2) on the rear of the cylinder block. The weight of flywheel housing (2) is approximately 23 kg (50 lb).
Install bolts (1). End By:
Install the flywheel. Refer to Disassembly and Assembly, " Flywheel - Install".
Start By:
Remove the flywheel. Refer to Disassembly and Assembly, " Flywheel - Remove".
Support the engine with blocks or a suitable lifting device.
Illustration 1 g01011078
Remove bolts (1).
Remove flywheel housing (2). The weight of the flywheel housing is approximately 23 kg (50 lb).
Illustration 2 g01011079
Remove O-ring seal (3) from rear seal carrier (4). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-6396 O-Ring Assembly Compound 1
B 1U-8846 Gasket Sealant 1
Illustration 3 g01011079
Apply Tooling (A) to O-ring seal (4). Install O-ring seal (3) onto rear seal carrier (4).
Apply Tooling (B) to the face of the cylinder block.
Illustration 4 g01011078
Position flywheel housing (2) on the rear of the cylinder block. The weight of flywheel housing (2) is approximately 23 kg (50 lb).
Install bolts (1). End By:
Install the flywheel. Refer to Disassembly and Assembly, " Flywheel - Install".
Caterpillar parts catalog:
Parts stem Caterpillar catalog:
8Y4019
STEM
931C, 933, 939, D3C, D3C III, D4C III, D5C III
931C, 933, 939, D3C, D3C III, D4C III, D5C III
1176658
STEM
933, 939, D3C III, D4C III, D5C III
933, 939, D3C III, D4C III, D5C III
1178820
STEM
D3C III, D4C III, D5C III
D3C III, D4C III, D5C III
1726940
STEM
939, D3C III, D4C III, D5C III
939, D3C III, D4C III, D5C III
1465706
STEM
933, D3C III
933, D3C III
1465707
STEM
D3C III, D5C III
D3C III, D5C III
8Y4019
STEM
931C, 933, 939, D3C, D3C III, D4C III, D5C III
931C, 933, 939, D3C, D3C III, D4C III, D5C III
6T2767
STEM
D4H, D5H
D4H, D5H
3G5656
STEM
D6E, D6E SR
D6E, D6E SR
9T0172
STEM-VALVE
D6E, D6E SR
D6E, D6E SR
4T1951
STEM
D6H, D6H XL
D6H, D6H XL
4T1952
STEM
D6H, D6H XL
D6H, D6H XL
8Y5339
STEM
931C, 933
931C, 933
1465707
STEM
D3C III, D5C III
D3C III, D5C III
1465706
STEM
933, D3C III
933, D3C III
1726940
STEM
939, D3C III, D4C III, D5C III
939, D3C III, D4C III, D5C III
1178820
STEM
D3C III, D4C III, D5C III
D3C III, D4C III, D5C III
1176658
STEM
933, 939, D3C III, D4C III, D5C III
933, 939, D3C III, D4C III, D5C III