Buy Mahle 227SA30428000 Valve Seat Ring – AYATS, BREDAMENARINIBUS, ERF – Wholesale

227 SA 30428 000, 227.SA.30428.000, 227-SA-30428-000

Product Overview

The Mahle Valve Seat Ring is a heavy-duty engine component engineered to provide a durable, heat-resistant contact surface for the exhaust valve. Built to strict OEM standards from high-strength alloy materials, this valve seat insert ensures a tight combustion chamber seal, efficient heat transfer from the valve head to the cylinder head, and exceptional wear resistance under severe thermal and mechanical stress across commercial vehicles, buses, and trucks including MAN, ERF, Maz-Man, Setra, Neoplan, Solaris, Van Hool, Ayats, BredaMenarinibus, and Inbus.

Technical Specifications

• Part Number: 227SA30428000
• Brand: Mahle / Genuine OE
• Part Type: Valve Seat Ring
• Fitting Position: Exhaust Side
• Outer Diameter [mm]: 53.1
• Inner Diameter [mm]: 43
• Height [mm]: 10
• Valve Seat Angle [°]: 45
• Packaging Length [cm]: 6.2
• Packaging Width [cm]: 6.2
• Packaging Height [cm]: 8
• Net Weight [g]: 48

OE Part Numbers & References

• MAN: 51 03203 0184

Applications & Compatibility

Compatible with commercial heavy-duty truck and bus engines specifying the OE part references listed above. Please verify physical dimensions (Outer Diameter: 53.1mm, Inner Diameter: 43mm, Height: 10mm) and seat angle (45°) against your cylinder head specifications prior to installation.

Key Features

• High-temperature alloy metallurgy resists severe thermal fatigue, pounding, and gas erosion under continuous heavy-duty exhaust operation
• Engineered to maintain a precise 45-degree seat angle for superior exhaust valve sealing and high-pressure durability
• Provides exceptional thermal conductivity to draw intense heat away from the exhaust valve face
• Manufactured to strict OE quality control standards

Warranty & Product Authenticity

• 100% genuine component
• Manufactured to OEM standards
• Professional installation, utilizing proper cylinder head counterbore machining and thermal press-fit procedures recommended
Maintains optimal cylinder compression, prevents valve seat recession, and extends the operational longevity of heavy-duty diesel engines

Why Choose AAA Trading?

• Trusted wholesale supplier of genuine automotive spare parts
• Competitive pricing and bulk availability
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• Expert support for compatibility and cross-reference guidance