2503998 SEAL AS Caterpillar parts
325D FM, 325D FM LL, 330C FM, 330D FM, 330D L, 330D MH, 345B II, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 365C L, 551, 552, 552 2, 568...
Rating:
Alternative (cross code) number:
CA2503998
250-3998
2503998
CA2503998
250-3998
2503998
Weight: 0.04 pounds 0 kg.
EXCAVATOR, TRACK-TYPE TRACTOR,
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$11.20
16 May 2022
US: Florida-Parts-Z
9W6298 - Seal ASSEM. 2503998 8P2684 for Caterpillar (CAT)
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16 May 2022
US: Florida-Parts-Z
8P2684 - Seal Assy - D7G Salt 9W6298 2503998 3P0626 fits Caterpillar (CAT)
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30 Apr 2017
Kennametal: Kennametal
Kennametal DVJNR163DKC3 EDP # KEN 2503998
Number on catalog scheme:
2
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Compatible equipment models: 2503998:
Information:
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 173-5528 Piston Ring Compressor 1
B 4C-5593 Anti-Seize Compound 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Apply clean engine oil to the pistons, the piston rings, and the cylinder bore.
Illustration 1 g00954373
Position the piston rings so that the end gaps are located 120 degrees from each other. Install Tooling (A) in order to compress the piston rings.Note: Install the piston and connecting rod so that the forging number on the connecting rod points toward the flywheel end of the engine.
With the number one crankshaft throw at the bottom center, install the piston and connecting rod in the engine. Ensure that the proper piston and connecting rod are in the corresponding cylinder with the bearing retainer notch toward the right side of the engine.
Line up the piston and the connecting rod with the crankshaft. Use a soft faced hammer and tap the piston into the cylinder bore until Tooling (A) comes off of the piston.
Illustration 2 g01261959
Illustration 3 g01261956
Before connecting rod (3) comes in contact with the crankshaft, install the upper half of connecting rod bearing (4). Ensure that the bearing tab engages with the slot in connecting rod (3) .
Apply clean engine oil to the surface of the upper half of connecting rod bearing (4). Use a soft faced hammer in order to tap the piston into the cylinder bore while you guide connecting rod (3) onto the crankshaft.
Place the lower half of connecting rod bearing (4) in corresponding connecting rod cap (2). Ensure that the bearing tab engages with the groove in connecting rod cap (2) .
Apply clean engine oil to the surface of the lower half of connecting rod bearing (4). Install connecting rod bearing cap (2) on connecting rod (3). Ensure that the number on connecting rod cap (2) matches the number on connecting rod (3). Ensure that the numbers are on the same side.
Lubricate the new connecting rod bolts with Tooling (B) .
Install new bolts (1). Tighten bolts (1) to a torque of 50 5 N m (37 4 lb ft).
Place an index mark on each bolt. Tighten each bolt (1) for an additional 90 5 degrees (1/4 turn).End By:
Install the piston cooling jets. Refer to the Disassembly and Assembly, "Piston Cooling Jets - Remove and Install".
Install the engine oil pump. Refer to the Disassembly and Assembly, "Engine Oil Pump - Install".
Install the cylinder head. Refer to the Disassembly and Assembly, "Cylinder Head - Install".
Table 1
Required Tools
Tool Part Number Part Description Qty
A 173-5528 Piston Ring Compressor 1
B 4C-5593 Anti-Seize Compound 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Apply clean engine oil to the pistons, the piston rings, and the cylinder bore.
Illustration 1 g00954373
Position the piston rings so that the end gaps are located 120 degrees from each other. Install Tooling (A) in order to compress the piston rings.Note: Install the piston and connecting rod so that the forging number on the connecting rod points toward the flywheel end of the engine.
With the number one crankshaft throw at the bottom center, install the piston and connecting rod in the engine. Ensure that the proper piston and connecting rod are in the corresponding cylinder with the bearing retainer notch toward the right side of the engine.
Line up the piston and the connecting rod with the crankshaft. Use a soft faced hammer and tap the piston into the cylinder bore until Tooling (A) comes off of the piston.
Illustration 2 g01261959
Illustration 3 g01261956
Before connecting rod (3) comes in contact with the crankshaft, install the upper half of connecting rod bearing (4). Ensure that the bearing tab engages with the slot in connecting rod (3) .
Apply clean engine oil to the surface of the upper half of connecting rod bearing (4). Use a soft faced hammer in order to tap the piston into the cylinder bore while you guide connecting rod (3) onto the crankshaft.
Place the lower half of connecting rod bearing (4) in corresponding connecting rod cap (2). Ensure that the bearing tab engages with the groove in connecting rod cap (2) .
Apply clean engine oil to the surface of the lower half of connecting rod bearing (4). Install connecting rod bearing cap (2) on connecting rod (3). Ensure that the number on connecting rod cap (2) matches the number on connecting rod (3). Ensure that the numbers are on the same side.
Lubricate the new connecting rod bolts with Tooling (B) .
Install new bolts (1). Tighten bolts (1) to a torque of 50 5 N m (37 4 lb ft).
Place an index mark on each bolt. Tighten each bolt (1) for an additional 90 5 degrees (1/4 turn).End By:
Install the piston cooling jets. Refer to the Disassembly and Assembly, "Piston Cooling Jets - Remove and Install".
Install the engine oil pump. Refer to the Disassembly and Assembly, "Engine Oil Pump - Install".
Install the cylinder head. Refer to the Disassembly and Assembly, "Cylinder Head - Install".
Cat SIS web machinery list:
Parts seal Caterpillar catalog:
330C, 330D L, 330D MH, 345B II, 345B II MH, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 374D L, 374F L
345B II, 345C, 345C L, 365B, 365B II, 365C, 365C L, 365C L MH, 374D L, 374F L
365B, 365B II, 365C, 365C L, 374D L, 374F L, 385B, 385C, 385C L, 390D, 390D L, 390F L
365B, 365B II, 365C, 365C L, 374D L, 374F L, 385B, 385C, 385C L, 390D, 390D L, 390F L
365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L
345C, 345C L, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L VG, 349F L, 365B II, 365C, 365C L, 374D L, 374F L, 385B, 385C, 385C L, 390D, 390D L, 390F L
328D LCR, 345B II, 345B L, 345C, 345C L, 345D L, 349E L, 349E L VG, 349F L, 350, 365B, 365B II, 365B L, E650
345B II, 345B L, 350, 365B, 365B II, 365B L
325C, 330C L, 330D L, 336D, 336D2, 340D L, 340D2 L, 345B II, 345C, 345D, 345D L, 349D, 349D L
325C, 330C L, 330D L, 336D, 336D2, 340D L, 340D2 L, 345B II, 345C, 345D, 345D L, 349D, 349D L
325C, 330C L, 330D L, 336D, 336D2, 340D L, 340D2 L, 345B II, 345C, 345D, 345D L, 349D, 349D L
345B II, 345C, 345D, 345D L, 349D, 349D L
8T7569
SEAL-LIP TYPE
973, 973C
973, 973C
973, 973C, 973D
963C, 973, 973C
973, 973C
963, 963B, 963C, 963D, 973, 973C
973, 973C, 973D
973, 973C, 983, 992D, D9R
973, 973C, 983, 992D, D9R
16, 613, 613C, 613C II, 613G, 621, 623, 641, 657B, 666, 768B, 769, 769C, 769D, 771C, 771D, 773B, 773D, 775B, 775D, 776, 776C, 776D, 777, 777B, 777D, 785, 789C, 789D, 793, 793B, 793C, 797, 797B, 824C, ...
973, 973C, 973D
973, 973C, 973D, D7G, D7G2, D7R II
572R, 572R II, 578, 583R, 583T, 587R, 587T, 973C, 973D, D7E, D7E LGP, D7R, D7R II, D7R XR, D8R, D8R II, D8T, PL83, PL87