Buy Mahle 037VA31947000 Exhaust Valve – PLAXTON, RENAULT TRUCKS, VOLVO – Wholesale

037 VA 31947 000, 037.VA.31947.000, 037-VA-31947-000

Product Overview

The Mahle Exhaust Valve is a precision-engineered heavy-duty engine component designed to withstand extreme high-temperature gases during the exhaust stroke. Manufactured to strict OEM standards from high-strength chrome-manganese-nickel-niobium steel with a chromed valve stem and an armoured valve seat, this exhaust valve ensures exceptional thermal fatigue resistance, wear protection, and sealing performance under severe operating loads across heavy commercial vehicles, buses, and trucks including Volvo, Renault Trucks, and Plaxton.

Technical Specifications

• Part Number: 037VA31947000
• Brand: Mahle / Genuine OE
• Part Type: Exhaust Valve
• Fitting Position: Exhaust Side
• Valve Head Diameter [mm]: 39.9
• Valve Stem Diameter [mm]: 8
• Length [mm]: 191.7
• Valve Seat Angle [°]: 45
• Valve Seat Material: Chrome-Mangan-Nickel-Niobium Steel
• Valve Stem Material: Chrome-silicon-steel
• Surface: Chromed
• Supplementary Info 2: Armoured Valve Seat
• Number of Grooves: 1
• Packaging Length [cm]: 5.2
• Packaging Width [cm]: 5.2
• Packaging Height [cm]: 21.1
• Net Weight [g]: 150

OE Part Numbers & References

• VOLVO: 20441486, 204414860, 20441945, 204419450

Applications & Compatibility

Compatible with commercial heavy-duty truck and bus engines specifying the OE part references listed above. Please verify physical dimensions (Head Diameter: 39.9mm, Stem Diameter: 8mm, Length: 191.7mm) against your original valvetrain assembly prior to installation.

Key Features

• Armoured valve seat provides enhanced resistance to high-temperature gas erosion, thermal cracking, and wear
• Specialized chrome-manganese-nickel-niobium steel alloy head construction resists severe combustion stresses
• Chromed valve stem surface minimizes friction and guide wear under continuous high-speed reciprocating movement
• Manufactured to strict OE quality control standards

Warranty & Product Authenticity

• 100% genuine component
• Manufactured to OEM standards
• Professional installation, inspecting valve guides, seat inserts, and valve spring pressures recommended
Ensures reliable high-temperature exhaust gas discharge, maintains combustion chamber integrity, and extends the operational lifespan of heavy-duty diesel powerplants

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