4N-5893 1W-5283 Caterpillar Valve Seat Insert | Engine Valve Train Parts

4N-5893 / 1W-5283 Caterpillar Valve Seat Insert

OEM-quality valve seat insert for Caterpillar diesel engines. Provides a precision-ground sealing surface for the valve face, ensuring correct combustion chamber sealing, heat transfer from the valve to the cylinder head, and long-term wear resistance. Manufactured to OEM tolerances for correct interference fit and seat angle. Essential for cylinder head rebuild and valve train overhaul. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.

Part Specifications

• Part Number: 4N-5893 / 1W-5283
• Brand: Caterpillar (CAT)
• Component: Valve Seat Insert
• Condition: New / OEM Replacement
• Country of Origin: China
• HS Code: 8409.99
• Application: Industrial / Construction / Power Generation / Marine

Compatible Engine Models

• Caterpillar (please confirm with engine serial number)
• Please confirm compatibility with your engine serial number before ordering.

Cross Reference Numbers

4N-5893 | 4N5893 | CAT4N5893 | 1W-5283 | 1W5283 | CAT1W5283

Supersedes / Alternate Part Numbers

• 1W-5283 — Valve Seat Insert (Alternate)

Why Choose Us?

• Global B2B wholesale supply
• Bulk pricing available — contact us for a quote
• Fast international shipping
• OEM & aftermarket options

Need bulk pricing or a custom quote? Submit an RFQ →