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SEAL 2D1521 - Caterpillar



2D1521 SEAL Caterpillar parts 12E, D8H, D8K SEAL
Rating:
26
Alternative (cross code) number:
CA2D1521
2D-1521
2D1521
Caterpillar 2D1521 SEAL
Weight: 0.03 pounds 0 kg.
Information:
AXIAL WIDTH  7.92  mm
BORE DIAMETER  0  mm
CONSTRUCTION TYPE  SB 
MATERIAL  Nitrile Rubber (NBR) - 75 Duro 
SEAL OD  38.2  mm
SHAFT OD  23.8  mm

Buy SEAL 2D1521 Caterpillar genuine, new aftermarket tractor parts with delivery
MOTOR GRADER, TRACK-TYPE TRACTOR,

You can buy parts: .

$9.55

05 Jan 2019
CATERPILLAR OIL SEAL 2D1521 NEW
$9.02

05 Jan 2019
11 Hundredths Pounds
Caterpillar SEAL (2D1521)
2D1521 Weight(lbs): 0.10 Length(cm): 8.8900 Width(cm): 15.2400 Depth(cm): 1.2700
Number on catalog scheme: None
 
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Compatible equipment models: 2D1521:

MOTOR GRADER  12E  
TRACK-TYPE TRACTOR  D8H   D8K   Caterpillar

Information:

Probable Causes
Valve lash setting is not at factory specifications.
Worn rocker arms
Worn valve springs or broken valve springs
Bent pushrods
Worn camshaft
Valve seat wearRecommended Actions
Table 1
Troubleshooting Test Steps     Values     Results    
1. Valve Lash Setting
A. Check the engine valve lash. If necessary, adjust the engine valve lash. Refer to Systems Operation/Testing and Adjusting for information on adjusting the engine valve lash.
   
Valve Lash    
Result: The valve lash is set to specifications.
Return the unit to service.
Result: The valve lash cannot be set to specifications.
Proceed to Test Step 2.    
2. Rocker Arms
A. Inspect rocker arms for pitting or spalling on the roller.
B. Check the rocker arm for a missing button.
   
Rocker Arms    
Result: The rocker arms are damaged.
Repair: Replace parts, if necessary. If the symptom remains, proceed to Test Step 3.
If the problem has been corrected, return the unit to service.
Result: The rocker arms are not damaged.
Proceed to Test Step 3.
   
3. Valve Springs
A. Check for cracked valve springs or broken valve springs.
   
Valve Springs    
Result: The valve springs are not broken or cracked.
Proceed to Test Step 4.
Result: The valve springs are broken or cracked.
Repair: Replace parts, if necessary. If the symptom remains, Proceed to Test Step 4.
If the problem has been corrected, return the unit to service.
   
4. Pushrods
A. Check the pushrods for wear and straightness.
B. Roll the pushrods on a flat surface in order to determine the straightness of the rod.
   
Pushrods    
Result: The pushrods are not worn or bent.
Proceed to Test Step 5.
Result: The pushrods are worn or bent.
Repair: Replace parts, if necessary. If the symptom remains, Proceed to Test Step 5.
If the problem has been corrected, return the unit to service.
   
5. Camshaft
A. Remove the camshaft in order to inspect the camshaft.
B. Inspect the camshaft for large grooves.
C. Measure the camshaft in order to determine if the camshaft is in specifications. Refer to Reuse and Salvage Guidelines for the correct measurements.
   
Camshaft    
Result: The camshaft measured within specifications.
Proceed to Test Step 6.
Result: The camshaft did not measure within specifications.
Repair: Make the necessary repairs, If the symptom remains, proceed to Test Step 6. If you replace the camshaft, replace the valve lifters.
If the problem has been corrected, return the unit to service.
   
6. Cylinder Head
A. Remove the cylinder head. Refer to the Reuse and Salvage Guidelines for the reusability specifications.
B. Inspect the piston and valve for damage.
C. Inspect the valve seat for wear.
   
Engine Components    
Result There are worn or damaged engine components.
Repair: Replace parts, if necessary. Check the Reuse and Salvage Guidelines for the reusability of existing engine components.
   Contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).

Caterpillar parts catalog:

Caterpillar parts catalog
NO. 12 MOTOR GRADER 99E00001-04490 (MACHINE)
D8K TRACTOR / DIRECT DRIVE / 76V00505-UP (MACHINE) POWERED BY 342 ENGINE
D8 TRACTOR / DIRECT DRIVE / 36A04469-05328 (MACHINE)
D8H TRACTOR / DIRECT DRIVE / 36A05329-UP (MACHINE)
D8K TRACTOR / DIRECT DRIVE / 76V00001-00504 (MACHINE)
D8 TRACTOR / DIRECT DRIVE / 36A00001-03859 (MACHINE)
D8 TRACTOR / DIRECT DRIVE / 36A03860-04468 (MACHINE)
D8 TRACTOR / DIRECT DRIVE / 36A04469-05328 (MACHINE)


Parts seal Caterpillar catalog:

2H3931 SEAL-O-RING
1140, 118, 1190T, 120, 120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 129, 1290T, 12E, 12F, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140, 140B...
8M5253 SEAL-O-RING
120B, 120G, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14G...
4F7952 SEAL-O-RING
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12E, 12F, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140, 140B, 140G, 140H, 140H ES, 140H NA, 140K, 140...
8F8733 SEAL-O-RING
120, 12E, 12F, 14E, 16G, 16H, 16H NA, 16M, 183, 184, 225, 235, 235C, 235D, 245, 245B, 245D, 304C CR, 305D CR, 305E, 318C, 3192, 319C, 320C, 320C FM, 320C L, 321C, 322C, 322C FM, 324D, 324D FM, 324D FM...
8M5254 SEAL-O-RING
14E, 16, 1674, 1693, 30/30, 3304, 3306, 517, 527, 561H, 561M, 561N, 57, 571G, 572G, 572R, 572R II, 578, 58, 583K, 583R, 583T, 587R, 587T, 594, 594H, 611, 613, 615, 615C, 621E, 623B, 623E, 627B, 627E, ...
3H0107 SEAL-O-RING
118, 120G, 120H, 120H ES, 120H NA, 12E, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 14H, 14H NA, 16, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 1...
5F1678 SEAL-O-RING
118, 120, 120B, 120H, 129, 12E, 12F, 12H, 135H, 140, 140B, 140H, 141, 143H, 14E, 153, 16, 160H, 163, 163H, 1673, 1673B, 1673C, 1676, 1693, 172, 173B, 183, 183B, 184, 191, 215, 215B, 215C, 227, 245, 24...
9M7002 SEAL-O-RING
16, 1676, 16G, 245, 245B, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3412, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 375, 533, 543, 561D, 572R, 572R II, 578, 583R, 583T, 587R, 587T, 621...
6L7814 SEAL-DIRECTOR
583K, 594, D342, D342C, D353C, D379, D379A, D379B, D398, D398A, D398B, D399, D8H, D8K, D9G, D9H, G342C, G353D, G379, G398, G399
1M6036 SEAL
571G, 572G, 657, 983, 983B, D337F, D343, D346, D348, D349, D353C, D7F, D7G, D7G2, D8H, D9E, D9G
5B6129 SEAL
120B, 12E, 140, 140B, D336
5H6406 SEAL
561C, 955C, 955H, 977D, 977H, 977K, 988, 992, D5, D6C, D7F, D8H, D9E, D9G
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