‌Genuine Sinotruk HOWO A7 Crankshaft Oil Seal VG1540040022A - OEM Front Engine Shaft Seal

‌Genuine Sinotruk HOWO A7 Crankshaft Front Oil Seal (Part No. VG1540040022A)‌

This OEM ‌crankshaft oil seal‌ prevents engine oil leakage at the front crankshaft pulley assembly of Sinotruk HOWO A7 trucks. Its dual-lip design maintains optimal sealing pressure even under severe vibration and thermal cycling, protecting the engine from oil loss and contamination.

‌Technical Specifications‌:

• ‌Part Number‌: VG1540040022A (Updated "A" version with improved material)
• ‌Position‌: Front crankshaft (Pulley side)
• ‌Shaft Diameter‌: 80.0mm ±0.05mm
• ‌Housing Bore‌: 100.5mm ±0.1mm
• ‌Width‌: 12.3mm
• ‌Material‌: Hydrogenated Nitrile Butadiene Rubber (HNBR) with steel case
• ‌Temperature Range‌: -40°C to +200°C continuous
• ‌Speed Rating‌: 25 m/s maximum surface speed
• ‌Pressure Resistance‌: 0.5 bar (7.25 psi)
• ‌Certifications‌: ISO 6194, DIN 3760, Sinotruk OEM standards

‌Performance Advantages‌:
Triple-Sealing Tech‌: Primary lip + dust lip + garter spring for 360° protection
Wear Compensation‌: Special fluorocarbon coating extends service life by 40%
 ‌Installation Ready‌: Pre-lubricated with silicone grease (no scoring risk)
 ‌Vibration Proof‌: Tested for 10,000+ hours under 15G vibration loads

‌Why Genuine OEM?‌

• Reduces crankshaft oil leaks by 98% vs. aftermarket seals
• Prevents $8,000+ engine damage from oil starvation
• Exact fit for HOWO A7 timing cover groove dimensions
• Includes installation sleeve (Part No. VG1540040023)