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344-1722

344-1722 Belt Tensioner for Caterpillar C7.1, 320D and 323D L

$80.00

OEM REFERENCE CHECKED · 22 JUL 2026

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

Available to sourceSKU: 344-1722
Product
Belt Tensioner
Replacement status
Confirm before order
Application
Caterpillar equipment · 50 verified models
Reference weight
2.54 kg (5.6 lb)
$80.00
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Fitment checkSerial number + nameplate
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Dispatch QCInspection and packing record
Worldwide shippingAir, express or sea

Machinery Spare Part inquiry reference from JIAJUE PARTS. Part No.: 344-1722. Application / model reference: E320D2. Brand reference: Caterpillar. Category: Rubber / Seal / Hose.

SKU: 344-1722
Category:
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Product Details

344-1722 Belt Tensioner for Caterpillar C7.1, 320D and 323D L

Part Number:
344-1722

Product Name:
Belt Tensioner

Reference Weight:
2.54 kg (5.6 lb)

Applications (50 verified models)
BrandEquipmentModelSerial Prefix / Fitment Note
CaterpillarMobile Hyd Power UnitC7.1SIS serial prefixes: CH8; final machine serial number and product configuration check required
CaterpillarExcavator320DSIS serial prefixes: JZA, KZF, MZD, FAL, JFZ, PCM; final machine serial number and product configuration check required
CaterpillarExcavator323D LSIS serial prefixes: NZF, PBE; final machine serial number and product configuration check required
CaterpillarExcavator320D2SIS serial prefixes: RDZ, DFM, DNP, DNS, EKT, ESG, FKK, GBA, HDM, JFM, KBS, KHR, LCA, LMA, MDJ, NBF, NBT, PBB, RAR, SDZ, STN, TDN, TDZ, TGJ, TMF, WBF, WBY, WDJ, XAN, XBA, XBB, XCC, YBK, YEA, ZBD, ZBM, ZCS; final machine serial number and product configuration check required
CaterpillarExcavator320D2 FMSIS serial prefixes: BW2, CY2; final machine serial number and product configuration check required
CaterpillarExcavator320E LNSIS serial prefixes: DFG; final machine serial number and product configuration check required
CaterpillarExcavator320E LRRSIS serial prefixes: MEW, PNL, TFX; final machine serial number and product configuration check required
CaterpillarExcavator320E LSIS serial prefixes: KLT, LAK, NAZ, REE, TEX, TNJ, WBK; final machine serial number and product configuration check required
CaterpillarExcavator320E RRSIS serial prefixes: LHN; final machine serial number and product configuration check required
CaterpillarExcavator320ESIS serial prefixes: AWS, SHX, SXE; final machine serial number and product configuration check required
CaterpillarExcavator323D2 LSIS serial prefixes: FLC, JEG, KBX, KCE, PJP, TDT, XBK, YCR; final machine serial number and product configuration check required
CaterpillarExcavator323D2SIS serial prefixes: JEX; final machine serial number and product configuration check required
CaterpillarExcavator323D3SIS serial prefixes: FEY; final machine serial number and product configuration check required
CaterpillarExcavator323E LNSIS serial prefixes: TDW; final machine serial number and product configuration check required
CaterpillarExcavator323E LSIS serial prefixes: RAP; final machine serial number and product configuration check required
CaterpillarExcavator323E SASIS serial prefixes: YRP; final machine serial number and product configuration check required
CaterpillarExcavator323F LSIS serial prefixes: PLB, XCF, YEJ; final machine serial number and product configuration check required
CaterpillarExcavator323FSIS serial prefixes: KBY, NCW; final machine serial number and product configuration check required
CaterpillarExcavator324E LNSIS serial prefixes: LDG; final machine serial number and product configuration check required
CaterpillarExcavator324E LSIS serial prefixes: KTE, PNW, TLF; final machine serial number and product configuration check required
CaterpillarExcavator324ESIS serial prefixes: JCZ; final machine serial number and product configuration check required
CaterpillarExcavator326D2 LSIS serial prefixes: JFL, MGW, MZH, NBX, REC; final machine serial number and product configuration check required
CaterpillarExcavator326D2SIS serial prefixes: HM4, JFG, KER, KGY, LCW, LJE, XAM; final machine serial number and product configuration check required
CaterpillarExcavator326F LNSIS serial prefixes: HCJ; final machine serial number and product configuration check required
CaterpillarExcavator326F LSIS serial prefixes: TMR, WGL, XFK; final machine serial number and product configuration check required
CaterpillarExcavator326FSIS serial prefixes: EBK, FBR, GGJ, HCA; final machine serial number and product configuration check required
CaterpillarExcavator329D2 LSIS serial prefixes: KJB, RGA, THW, WDT; final machine serial number and product configuration check required
CaterpillarExcavator329D2SIS serial prefixes: SHJ, TMJ; final machine serial number and product configuration check required
CaterpillarExcavator329E LNSIS serial prefixes: RLD; final machine serial number and product configuration check required
CaterpillarExcavator329E LSIS serial prefixes: PLW, RDX, TST, WJK, ZCD; final machine serial number and product configuration check required
CaterpillarExcavator329ESIS serial prefixes: PTY; final machine serial number and product configuration check required
CaterpillarExcavator329F LSIS serial prefixes: ERL; final machine serial number and product configuration check required
CaterpillarExcavator330D2 LSIS serial prefixes: PTE, RCK, SZK, ZBF; final machine serial number and product configuration check required
CaterpillarExcavator330D2SIS serial prefixes: DTG, EBP, EX7, FEX, HSP, XDR; final machine serial number and product configuration check required
CaterpillarExcavator330F LNSIS serial prefixes: LBN; final machine serial number and product configuration check required
CaterpillarExcavator330F LSIS serial prefixes: MBX, WBA; final machine serial number and product configuration check required
CaterpillarExcavator330FSIS serial prefixes: GHT, HBT, HCK, JFR, JHF, KFA, LCG; final machine serial number and product configuration check required
CaterpillarExcavator335F LCRSIS serial prefixes: KNE; final machine serial number and product configuration check required
CaterpillarExcavator335FSIS serial prefixes: FEP, SGJ; final machine serial number and product configuration check required
CaterpillarExcavator538SIS serial prefixes: GMY, HBS, JEY, KBJ; final machine serial number and product configuration check required
CaterpillarExcavator558SIS serial prefixes: F5L; final machine serial number and product configuration check required
CaterpillarHex Based Spl Solution320ESIS serial prefixes: FH8; final machine serial number and product configuration check required
CaterpillarHex Based Spl Solution330F OEMSIS serial prefixes: LNX; final machine serial number and product configuration check required
CaterpillarMobile Hyd Power Unit329ESIS serial prefixes: K2L; final machine serial number and product configuration check required
CaterpillarMobile Hyd Power Unit330D2SIS serial prefixes: HER; final machine serial number and product configuration check required
CaterpillarMobile Hyd Power Unit330FMHPUSIS serial prefixes: DPL; final machine serial number and product configuration check required
CaterpillarMobile Hyd Power Unit330FSIS serial prefixes: B32; final machine serial number and product configuration check required
CaterpillarExcavator548SIS serial prefixes: SFZ, WRA; final machine serial number and product configuration check required
CaterpillarLog Loadr Forst Mach558SIS serial prefixes: F5G, LRT; final machine serial number and product configuration check required
CaterpillarMotor Grader140 GCSIS serial prefixes: W9E; final machine serial number and product configuration check required

Product Highlights

Brand:JIAJUE PARTS
Compatible Model Brand:For Caterpillar
Model Number:45 verified models — see Applications table
Part Number:344-1722
Reference Weight:2.54 kg (5.6 lb)

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