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255-3018 Undercarriage Parts for E320C; Pulley; 320C E320C 320c Excavator Air Compressor Pulley Group Idler 255-3018

255-3018 Idler Pulley Assembly for Caterpillar 319C, 320C and 320D FM

OEM REFERENCE CHECKED · 22 JUL 2026

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

Available to sourceSKU: 255-3018
Product
Idler Pulley Assembly
Replacement status
Confirm before order
Cross reference
125-1645, 125-1657, 239-6398, 327-7193, 125-1646, 150-2159, 154-0491, 184-3825, 239-6628, 239-6633
Application
Caterpillar equipment · 76 verified models
Reference weight
0.76 kg (1.67 lb)
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Fitment checkSerial number + nameplate
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Worldwide shippingAir, express or sea

Machinery Spare Part inquiry reference from JIAJUE PARTS. Part No.: 255-3018. Application / model reference: E320C; Pulley; 320C. Brand reference: Caterpillar. Category: Undercarriage Parts.

SKU: 255-3018
Category:
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Product Details

255-3018 Idler Pulley Assembly for Caterpillar 319C, 320C and 320D FM

Part Number:
255-3018

Product Name:
Idler Pulley Assembly

Reference Weight:
0.76 kg (1.67 lb)

Cross Reference Numbers

OEM cross references:
125-1645, 125-1657, 239-6398, 327-7193, 125-1646, 150-2159, 154-0491, 184-3825, 239-6628, 239-6633

Applications (76 verified models)
BrandEquipmentModelSerial Prefix / Fitment Note
CaterpillarExcavator319CSIS serial prefixes: KGL; final machine serial number and product configuration check required
CaterpillarExcavator320CSIS serial prefixes: GAD, GNG, HKT, AXK, BMZ, EGA, PAB, RAW, SBN, BDC, BER, CLM, CLZ, DBG, EGL, GLA, JPL, JTG; final machine serial number and product configuration check required
CaterpillarExcavator320D FMSIS serial prefixes: BWW, CYZ, EAX, GKS; final machine serial number and product configuration check required
CaterpillarExcavator320DSIS serial prefixes: PHX, A6F, A8F, A9F, BZP, DHE, FAL, GDP, HJC, JFZ, KLM, KTF, MGG, PCM, PCX, SPN, SRT, TAE, TDH, XCK, YDS, CXY, DHK, EBY, FXK, GKL, JGZ, MCH, MDE, WBN, ZGB, BZF, EJT, GMX, JPD, KHN; final machine serial number and product configuration check required
CaterpillarExcavator311D LRRSIS serial prefixes: CLA, DWR, LKA, DDW, PNJ; final machine serial number and product configuration check required
CaterpillarExcavator312C LSIS serial prefixes: CBA, CBT; final machine serial number and product configuration check required
CaterpillarExcavator312CSIS serial prefixes: FDS, BNN; final machine serial number and product configuration check required
CaterpillarExcavator312D LSIS serial prefixes: JBC, KES, RKF, XGK, TGY, SKA; final machine serial number and product configuration check required
CaterpillarExcavator312DSIS serial prefixes: DLP, HCW, PHH, HJX, KCD, LRK, RHL; final machine serial number and product configuration check required
CaterpillarExcavator314D CRSIS serial prefixes: PDP, WLN; final machine serial number and product configuration check required
CaterpillarExcavator314D LCRSIS serial prefixes: BYJ, SSZ, TXN, XHR, SBP; final machine serial number and product configuration check required
CaterpillarExcavator315D LSIS serial prefixes: JHA, TLE, NCM, BZN, CJN, JGS, KBD; final machine serial number and product configuration check required
CaterpillarExcavator319D LNSIS serial prefixes: WBJ, FMH, KFM, RJP; final machine serial number and product configuration check required
CaterpillarExcavator319D LSIS serial prefixes: ZGZ, AYF, EAW, KRM, ZCA; final machine serial number and product configuration check required
CaterpillarExcavator320C FMSIS serial prefixes: SAH, TBR, BGB, BKK; final machine serial number and product configuration check required
CaterpillarExcavator320D LSIS serial prefixes: KGF; final machine serial number and product configuration check required
CaterpillarExcavator323D LNSIS serial prefixes: CWG, CYD, RAC; final machine serial number and product configuration check required
CaterpillarExcavator323D LSIS serial prefixes: LFL, PBE, YSD, ZMF, BYM, JLG, NDE, PBM, SDC, WGC, GTF; final machine serial number and product configuration check required
CaterpillarExcavator323D SASIS serial prefixes: NES; final machine serial number and product configuration check required
CaterpillarMobile Hyd Power Unit323D LSIS serial prefixes: L5Z; final machine serial number and product configuration check required
CaterpillarExcavator319DSIS serial prefixes: BZH, DAY; final machine serial number and product configuration check required
CaterpillarExcavator320C LSIS serial prefixes: EAG; final machine serial number and product configuration check required
CaterpillarExcavator321CSIS serial prefixes: KCR; final machine serial number and product configuration check required
CaterpillarExcavator323D SSIS serial prefixes: DKW, SED; final machine serial number and product configuration check required
CaterpillarMobile Hyd Power Unit323D LNSIS serial prefixes: DCJ; final machine serial number and product configuration check required
CaterpillarExcavator311BSIS serial prefixes: 2LS, 8GR; final machine serial number and product configuration check required
CaterpillarExcavator312B LSIS serial prefixes: 3FS, 8JR; final machine serial number and product configuration check required
CaterpillarExcavator312BSIS serial prefixes: 2NS, 9GR; final machine serial number and product configuration check required
CaterpillarExcavator313DSIS serial prefixes: KXD, WPK; final machine serial number and product configuration check required
CaterpillarExcavator314CSIS serial prefixes: SNY; final machine serial number and product configuration check required
CaterpillarExcavator315B FM LSIS serial prefixes: 7RZ; final machine serial number and product configuration check required
CaterpillarExcavator315B LSIS serial prefixes: 3AW, 7RZ; final machine serial number and product configuration check required
CaterpillarExcavator315BSIS serial prefixes: 1SW; final machine serial number and product configuration check required
CaterpillarExcavator315CSIS serial prefixes: AKE, ANF, CFB, CFT, CJC; final machine serial number and product configuration check required
CaterpillarExcavator318D LSIS serial prefixes: ZKJ; 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: 6CR; final machine serial number and product configuration check required
CaterpillarExcavator320B NSIS serial prefixes: 4NR; final machine serial number and product configuration check required
CaterpillarExcavator320B USIS serial prefixes: BAN; final machine serial number and product configuration check required
CaterpillarExcavator320BSIS serial prefixes: 4NR, 5BR; final machine serial number and product configuration check required
CaterpillarExcavator321D LCRSIS serial prefixes: KBZ, MDT, MPG, NAS, PBD, TXA; 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
CaterpillarExcavator323DSIS serial prefixes: WNE; 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
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
CaterpillarMini Hyd Excavator305.5SIS serial prefixes: CXZ, DCK; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator306ESIS serial prefixes: FHL; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator306SIS serial prefixes: MXH, SMD, 6G6, 6W6; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator307DSIS serial prefixes: WZX, DSG; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator307E2SIS serial prefixes: CE2, KC9; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator307ESIS serial prefixes: H1Y; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator307SIS serial prefixes: ZGC, WZ2; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308.5SIS serial prefixes: GZ8; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308E CRSIS serial prefixes: HAM, HEL; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308E SRSIS serial prefixes: JBE, JSN; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308E2 CRSIS serial prefixes: FJX, TMX, YE2, CE8, EC2, MY2; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308E2 SRSIS serial prefixes: SR8, TM2; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308E2SRSIS serial prefixes: JC5, KC5; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308E2SIS serial prefixes: F8C; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308ESIS serial prefixes: TAZ, GBJ; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308SIS serial prefixes: GX8, GG8, GK8, GP8, GW8; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator306.5SIS serial prefixes: GW6; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator307.5SIS serial prefixes: GW7; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308CSIS serial prefixes: KCX; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308DSIS serial prefixes: FYC, GBT; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator308E2CRSIS serial prefixes: MC5, PC8; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator309SIS serial prefixes: GW9; final machine serial number and product configuration check required
CaterpillarMini Hyd Excavator310SIS serial prefixes: GWT; final machine serial number and product configuration check required
CaterpillarCompact Wheel Loader901CSIS serial prefixes: W4T; final machine serial number and product configuration check required
CaterpillarCompact Wheel Loader902CSIS serial prefixes: W5T; final machine serial number and product configuration check required
CaterpillarCompact Wheel Loader903CSIS serial prefixes: MW4, W6T; final machine serial number and product configuration check required

Product Highlights

Brand:JIAJUE PARTS
Compatible Model Brand:For Caterpillar
Model Number:74 verified models — see Applications table
Part Number:255-3018
Cross Reference Number:125-1645, 125-1657, 239-6398, 327-7193, 125-1646, 150-2159, 154-0491, 184-3825, 239-6628, 239-6633
Reference Weight:0.76 kg (1.67 lb)

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Express, air freight and sea freight options are available. Freight, delivery time and packing method are confirmed with the quotation.

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