Skip to main content
DOUGLAS EQUIPMENTMiami · Since 1955
ES
CTPHydraulics

CTP-7Y1780

Also written 7Y-1780

CYLINDER 7Y1780 — 311B

Need a Quote?

Send your machine model + serial number. We confirm exact cross-reference, USD price, lead time, and LATAM documentation.

Call (305) 888-3700Request Price for This PartWhatsApp (LATAM)

Collect multiple parts, send all at once.

CYLINDER, CTP (Costex Tractor Parts) aftermarket part number 7Y1780. Listed in the CTP catalog for 311B, 311C, 312B, 315B, 315B L, 315C, 315D L and 1290T (+3). Confirm fitment against your machine serial number before ordering; Douglas Equipment quotes price, availability and lead time on request.

Availability confirmed with your quoteShips to LATAMAftermarket alternative to OEM

OEM Cross-References

CTP aftermarket reference cross-references the following OEM part numbers:

  • 7Y1780OEM

Compatible Machines

Documented fitment for the following machines. Verify with your machine serial number for exact match.

  • 311B
  • 311C
  • 312B
  • 315B
  • 315B L
  • 315C
  • 315D L
  • 320 L
  • 1290T
  • 325D FM
  • 325D FM LL
  • 330 FM L
  • 330B L
  • 330C

Related Parts in Hydraulics

BLU-HYD-PUMP-336

Main Hydraulic Pump — Cat 336D / 336E

View →

BLU-HYD-PUMP-PC200

Main Hydraulic Pump — Komatsu PC200-8

View →

BLU-HYD-SK-330

Hydraulic Cylinder Seal Kit — Cat 330C / 330D Boom

View →

CTP-0967911

BOOM CYLINDER 0967911 — 320N

View →

WhatsApp · Mon–Fri business hours

Need CTP-7Y1780 or related parts?

Send your machine model + part list. We confirm cross-reference, availability, and LATAM documentation.

✓ Quote by part number✓ We confirm stock✓ LATAM applied
+1 (555) 820-5222Search by OEM number →
← Back to full parts catalog