Brand New SBI SB1584E‑1 Valve Seat Insert — precision cylinder head component for diesel and heavy‑duty engines.

▶ CONDITION:
✅ New
✅ No wear or damage
✅ Stored clean and ready for installation

▶ DESCRIPTION:
This is a new SBI SB1584E‑1 valve seat insert, a hardened replacement insert used in cylinder heads to provide a reliable sealing surface for engine valves. Valve seat inserts are an essential part of engine rebuilds, head machining, and performance maintenance. SBI valve seats are made with premium high‑chrome or nickel‑based materials as specified in their catalog, suitable for both intake and exhaust sealing surfaces.

▶ APPLICATION / COMPATIBILITY:
The SB1584E‑1 is catalogued as a valid SBI valve seat part number; vendor listings confirm this number exists as an SBI seat insert. It corresponds to typical OEM size standards and is commonly used in diesel engines where this exact diameter match is specified.

Based on engineering cross‑reference data for similar valve seat sizes, this part number SB1584E‑1 is interchangeable with Navistar/IHC diesel valve seat part 1835851C1 in some cylinder heads such as International/Navistar MaxxForce applications.

Possible compatible applications (verify fitment before install):
• Navistar / IHC MaxxForce DT466 (466 CID) diesel engines
• Navistar / IHC DT570 (570 CID) Maxx‑9 engines
• Other diesel engines using a ~1.584″ seat diameter and matching depth
📌 Always verify fitment with your engine’s parts manual or by comparing dimensions before installation.

▶ FEATURES:
• Precision‑machined valve seat insert for intake or exhaust
• Hardened alloy for wear resistance and long service life
• OEM‑style replacement for diesel cylinder head rebuilds

▶ WHAT’S INCLUDED:
• 1 × SBI SB1584E‑1 Valve Seat Insert