Description
Product Overview
Part Name: Intake & Exhaust Valve Seat and Valve Guide Set
Part Numbers: 4986317 / 3803515 / 205093
Vehicle Compatibility: Manufactured for Cummins KTA19, QSK19 and QSK38 engines used in mining trucks, drilling rigs, marine units, generators and heavy industrial machinery from 2000–2024. Suitable for high-displacement, continuous-duty engines requiring extreme durability.
Configuration: Valve seats and guides made from hardened alloy materials with precision-machined surfaces for high-temperature endurance. Designed to handle extreme combustion pressure and abrasive operating environments.
Function: Maintains perfect valve sealing, ensures proper valve alignment, prevents leakage and stabilizes compression. Replaces worn or recessed seats causing smoke, misfires or power loss.
Technical Specifications
Type: Heavy-duty valve seat & guide assembly
Material: Heat-resistant alloy steel
Application: Fits Cummins KTA19 / QSK19 / QSK38 industrial engines
Cross-Reference: Matches Cummins OEM tolerances for seating depth and valve-stem clearance
Installation: Replace during overhaul when leakage, worn seats or valve instability appear
Service Interval: Typically every 8,000–12,000 working hours
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 days internationally
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