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DOUGLAS EQUIPMENTMiami · Since 1955
CTPPiston / Liner

CTP-5I7791

Also written 5I-7791

RING SET-PISTON (OS=.50MM) 5I7791 — 311B

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RING SET-PISTON (OS=.50MM), CTP (Costex Tractor Parts) aftermarket part number 5I7791. Listed in the CTP catalog for 311B, 312B and 320B. 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:

  • 5I7791OEM

Compatible Machines

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

  • 311B
  • 312B
  • 320 L
  • 320B

Related Parts in Piston / Liner

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Need CTP-5I7791 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