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KIT-SEAL 1373763 - Caterpillar


1373763 KIT-SEAL Caterpillar parts 320C, 320C FM
Rating:
41
Alternative (cross code) number:
CA1373763
137-3763
1373763
Caterpillar 1373763 KIT-SEAL
Weight: 0.52 pounds 0 kg.

Buy KIT-SEAL 1373763 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR,

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$77.99

05 Nov 2025
0.7[0.32] pounds
US: RAParts Inc.
One New Cylinder Seal Kit Fits CAT, Fits Caterpillar 320C, 320CL, 320CLU, 320CU, 321CLCR Models Interchangeable with 1373763, 1373763-A, 2478998, 2478998-A, Bearings, Bushings, Cylinder Seal Ki
Stevens Lake Parts One New Replacement || This Is An Aftermarket Replacement Part Made To Meet Or Exceed OEM Specifications. || OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. || Please Note: Some Listings Use Stock Images for Reference and May Differ from the Actual Product. || This Aftermarket Part Is Made to Meet or Exceed Manufacturer (OEM) Specifications.
$66.57

14 Oct 2025

US: WITHOUTHAMHEP
Replacement for fits 2478998 Seal Kit Fits Caterpillar 1373763 318C 320C 320C L
ZEHYDDM
$52.37

04 Oct 2025

CN: susongxiancaian
E320CL Boom Arm Bucket Cylinder Seal Kit 1373763 1373764 1540744 for Excavator
Artemisia E320CL Boom Arm Bucket Cylinder Seal Kit 1373763 1373764 1540744 for Excavator
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Compatible equipment models: 1373763:

EXCAVATOR  320C   320C FM   Caterpillar

Information:

Removal Procedure
Start By:
Remove the aftercooler, if necessary. Refer to Disassembly and Assembly, "Aftercooler - Remove".
Remove the auxiliary water pump, if necessary. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove".
Remove the unit injector hydraulic pump. Refer to Disassembly and Assembly, "Unit Injector Hydraulic Pump - Remove".
Remove the rocker arms and the shaft. Refer to Disassembly and Assembly, "Rocker Arm and Shaft - Remove".
Remove the electronic control module (ECM). Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Remove the pushrods from the engine.
Illustration 1 g01027496
Position engine speed/timing sensors (1) out of the way.
Remove the bolts and side covers (2).
Illustration 2 g01027497
Remove bolts (3) and the dowels that hold lifter arms (4) and lifter shaft (5) to each side cover. Remove gasket (6). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9S-3263 Thread Lock Compound 1
B 1U-8846 Gasket Sealant 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g01027497
Install gasket (6).
Install lifter arms (4) on lifter shaft (5).
Position lifter shaft (5) and the dowels on the side cover. Ensure that the oil holes in the lifter shaft are facing the side cover. Apply Tooling (A) to the threads of bolts (3). Install bolts (3). Tighten bolts (3) to a torque of 13 3 N m (115 27 lb in). Tighten the center bolts. Then tighten the bolts on the end.
Lubricate the lifters with clean engine oil.
Apply Tooling (B) to the sealing surfaces of the side cover. The side covers must be installed on the cylinder block within 10 minutes of applying the sealant.
Illustration 4 g01027496
Illustration 5 g01519208
Position the gaskets and side covers (2) on the cylinder block. Install the bolts. Tighten the bolts in a numerical sequence. Tighten the bolts again in a numerical sequence.
Install engine speed/timing sensors (1).
Install the pushrods in the engine. End By:
Install the electronic control module (ECM). Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install".
Install the rocker arms and the shaft. Refer to Disassembly and Assembly, "Rocker Arm and Shaft - Install".
Install the unit injector hydraulic pump. Refer to Disassembly and Assembly, "Unit Injector Hydraulic Pump - Install".
Install the auxiliary water pump, if necessary. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Install".
Install the aftercooler, if necessary. Refer to Disassembly and Assembly, "Aftercooler - Install".

Caterpillar parts catalog:

Caterpillar parts catalog
320C & 320C L Excavators AMC00001-UP (MACHINE) POWERED BY 3066 Engine
320C & 320C L Excavators BDC00001-UP (MACHINE) POWERED BY 3066 Engine
320C & 320C L Excavators BPR00001-UP (MACHINE) POWERED BY 3066 Engine
320C Forest Swing Machine BGB00001-UP (MACHINE) POWERED BY 3066 Engine
320C U 320C LU Excavators CLM00001-UP (MACHINE) POWERED BY 3066 Engine


Parts kit Caterpillar catalog:

2590719 KIT-SEAL
320C, 322C, 325C
2590633 KIT-SEAL
320C, 320C L, 321C, 322C
2590635 KIT-SEAL
320C, 320C FM, 320C L
2590634 KIT-SEAL
320C FM, 325C, 328D LCR
1373768 KIT-SEAL
320B FM LL, 320C FM, 325B, 375
4501783 KIT-PUMP
320C, 320D, 320D FM, 320D L, 320D LN, 320D2 L, 322C, 323D L, 323D LN, 323D SA, 324D L, 325D L, 329D, 329D L, 330C L, 330D L, 336D, 336D2, 345D L, 349D, 349D L, 365C, 365C L, 365C L MH, 385C, 385C FS, ...
4501782 KIT-PUMP
320C, 320D, 320D FM, 320D L, 320D LN, 320D2 L, 322C, 323D L, 323D LN, 323D SA, 324D L, 325D L, 329D, 329D L, 330C L, 330D L, 336D, 336D2, 345D L, 349D, 349D L, 365C, 365C L, 365C L MH, 385C, 385C FS, ...
4501781 KIT-PUMP
320C, 320D, 320D FM, 320D L, 320D LN, 320D2 L, 322C, 323D L, 323D LN, 323D SA, 324D L, 325D L, 329D, 329D L, 330C L, 330D L, 336D, 336D2, 345D L, 349D, 349D L
2590627 KIT-SEAL
320C, 322C, 325C, 328D LCR
1373764 KIT-SEAL
320B, 320C, 321C
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