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4I-3948

4I-3948 Hydraulic Filter Assembly for Caterpillar 320 L, 320-A and 320-A L

OEM REFERENCE CHECKED · 22 JUL 2026

Replacement part supplied after SKU, machine serial number and nameplate verification.

Available to sourceSKU: 4I-3948
Product
Hydraulic Filter Assembly
Replacement status
Confirm before order
Cross reference
184-3931
Application
Caterpillar equipment · 35 verified models
Reference weight
0.64 kg (1.4 lb)
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Fitment checkSerial number + nameplate
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Engine Spare Part inquiry reference from JIAJUE PARTS. Part No.: 4I-3948. Application / model reference: E320B. Brand reference: Caterpillar. Category: Engine Spare Parts.

SKU: 4I-3948
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Product Details

4I-3948 Hydraulic Filter Assembly for Caterpillar 320 L, 320-A and 320-A L

Part Number:
4I-3948

Product Name:
Hydraulic Filter Assembly

Reference Weight:
0.64 kg (1.4 lb)

Cross Reference Numbers

OEM cross references:
184-3931

Applications (35 verified models)
BrandEquipmentModelSerial Prefix / Fitment Note
CaterpillarExcavator320 LSIS serial prefixes: 9KK, 1KL, 1TL; final machine serial number and product configuration check required
CaterpillarExcavator320-ASIS serial prefixes: 2DL, 7WK, 8LK; final machine serial number and product configuration check required
CaterpillarExcavator320-A LSIS serial prefixes: 1KL, 1TL; final machine serial number and product configuration check required
CaterpillarExcavator320-A NSIS serial prefixes: 1XM; final machine serial number and product configuration check required
CaterpillarExcavator320B FM LLSIS serial prefixes: 6LS, 9JS; final machine serial number and product configuration check required
CaterpillarExcavator320B LLSIS serial prefixes: 6LS, 9JS; final machine serial number and product configuration check required
CaterpillarExcavator320B LUSIS serial prefixes: BBG; final machine serial number and product configuration check required
CaterpillarExcavator320B LSIS serial prefixes: 1ES; final machine serial number and product configuration check required
CaterpillarExcavator320B USIS serial prefixes: BAN; final machine serial number and product configuration check required
CaterpillarExcavator321BSIS serial prefixes: 9CZ, KGA; final machine serial number and product configuration check required
CaterpillarExcavator322 LNSIS serial prefixes: 4RM; final machine serial number and product configuration check required
CaterpillarExcavator322 LSIS serial prefixes: 8CL, 8ML; final machine serial number and product configuration check required
CaterpillarExcavator322-A LNSIS serial prefixes: 4RM; final machine serial number and product configuration check required
CaterpillarExcavator322-A LSIS serial prefixes: 8CL, 8ML; final machine serial number and product configuration check required
CaterpillarExcavator322-A NSIS serial prefixes: 9JL; final machine serial number and product configuration check required
CaterpillarExcavator322-ASIS serial prefixes: 7WL; final machine serial number and product configuration check required
CaterpillarExcavator322B LSIS serial prefixes: 1AS, 8NR; final machine serial number and product configuration check required
CaterpillarExcavator322BSIS serial prefixes: 8MR; final machine serial number and product configuration check required
CaterpillarExcavator322NSIS serial prefixes: 9JL; final machine serial number and product configuration check required
CaterpillarExcavator325 LSIS serial prefixes: 6KK, 7CJ; final machine serial number and product configuration check required
CaterpillarExcavator325-A LSIS serial prefixes: 6KK, 7CJ, 9KL; final machine serial number and product configuration check required
CaterpillarExcavator325-ASIS serial prefixes: 5WK, 8JG, 8NL; final machine serial number and product configuration check required
CaterpillarExcavator325B LSIS serial prefixes: 1GS, 8RR; final machine serial number and product configuration check required
CaterpillarExcavator325BSIS serial prefixes: 8PR; final machine serial number and product configuration check required
CaterpillarExcavator330 LSIS serial prefixes: 6SK, 6WJ; final machine serial number and product configuration check required
CaterpillarExcavator330-A LSIS serial prefixes: 6SK, 6WJ, 9ML; final machine serial number and product configuration check required
CaterpillarExcavator330-ASIS serial prefixes: 8RL, 9NG, 9PJ; final machine serial number and product configuration check required
CaterpillarExcavator330B LSIS serial prefixes: 1JS, 8TR; final machine serial number and product configuration check required
CaterpillarExcavator330BSIS serial prefixes: 8SR; final machine serial number and product configuration check required
CaterpillarExcavator345B IISIS serial prefixes: AKX; final machine serial number and product configuration check required
CaterpillarExcavator345B LSIS serial prefixes: 3MW; final machine serial number and product configuration check required
CaterpillarExcavator345BSIS serial prefixes: 2ZW; final machine serial number and product configuration check required
CaterpillarQuarry Truck777ESIS serial prefixes: KDP; final machine serial number and product configuration check required
CaterpillarOff Highway Truck773SIS serial prefixes: FKT; final machine serial number and product configuration check required
CaterpillarOff Highway Truck777SIS serial prefixes: 7W9; final machine serial number and product configuration check required

Product Highlights

Brand:JIAJUE PARTS
Compatible Model Brand:For Caterpillar
Model Number:35 verified models — see Applications table
Part Number:4I-3948
Cross Reference Number:184-3931
Reference Weight:0.64 kg (1.4 lb)

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