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Specifications

The M‑680086C1 Cylinder Sleeve O‑Ring Kit, produced by McBee‑Interstate McBee and available via Wofford Truck Parts, is designed to reliably seal the junction between cylinder sleeves (liners) and engine block in Navistar DT‑series engines. This kit includes all necessary O‑rings to maintain coolant and oil integrity around DT414, DT436, DT466A/B/C engines, preventing leaks and preserving optimal operating pressure.



Manufactured in ISO 9001:2015-certified U.S. facilities, the kit meets stringent OEM-equivalent quality and is covered by Interstate‑McBee’s standard two-year unlimited mileage warranty on engine parts. Installation of this kit during engine overhaul ensures proper sealing, protects against contamination, and supports long-term durability in vocational and fleet applications.


Weight
0.03

Compatibility

Navistar DT414 engines

Navistar DT436 engines

Navistar DT466A/B/C engines


Alternative Part Numbers

  • 680086C1
  • INTERSTATE‑MCBEE M‑680086C1
  • M‑680086C1
  • MACK 4333‑680086C1
  • NAVISTAR 680086C1
  • PAI 421200 (Navistar)

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