Sinotruk HOWO Genuine Valve Spring Seat 080V04103-0109 – Precision-Matched OEM Component

Sinotruk HOWO Genuine Valve Spring Seat 080V04103-0109 – Precision-Matched OEM Component'

Technical Specifications:
Part Number: 080V04103-0109
Compatibility: Sinotruk HOWO T7H, A7, C7H with MC11/D12/WD615 engines
Material: High-grade alloy steel (SAE 4140)
Hardness: HRC 38-42 (Nitrided surface treatment)
Outer Diameter: 42mm ±0.1mm
Inner Diameter: 32mm ±0.1mm
Height: 8mm ±0.05mm
Temperature Resistance: -40°C to +300°C
Warranty: 24 months or 200,000 km

Installation Steps:
Clean the cylinder head thoroughly to remove carbon deposits.
Inspect valve guides for wear—replace if inner diameter exceeds 32.1mm.
Press-fit the seat using a hydraulic press (recommended force: 2-3 tons).
Verify flush alignment with a straight edge (tolerance: ≤0.02mm).
Reassemble valve springs and check retainer-to-seat contact.