Premium Cooling System Thermostat Sealing Ring (Detroit DD-Series & HDEP Engines)
📋 ELRING IDENTIFICATION & CROSS REF
• ELRING NUMBER: 004.030 / 004030
• MERCEDES / DETROIT OE: A4722030080 / 4722030080
• MATERIAL STRUCTURE: High-Temperature Resistant EPDM/FKM Elastomer
• COMPONENT TYPE: Cooling System Thermostat Housing Sealing Ring
🚚 COMPREHENSIVE ENGINE & GLOBAL FLEET COMPATIBILITY
MANUFACTURER GROUP
COMPATIBLE ENGINE PLATFORMS, TRUCKS & EQUIPMENT
DETROIT DIESEL
Heavy-Duty Platforms: Essential cooling circuit seal for DD13, DD13 IDP, DD15, and DD16 engine architectures.
GLOBAL FLEET
Universal application for Freightliner, Western Star, Mercedes-Benz commercial heavy-duty trucks, and Setra coach cooling modules.
⚙️ TECHNICAL SPECIFICATIONS
Technical Detail
Measurement / Info
Component Product Profile
Engine Coolant Thermostat Seal
Material Matrix Formula
Thermo-Resilient Elastomer (Engineered to withstand prolonged exposure to glycol-based coolants and extreme thermal expansion cycles common in heavy-diesel engines.)
System Sealing Strategy
Ensures a pressurized, leak-free seal within the thermostat housing/crossover pipe assembly to maintain optimal operating temperature.
Operational Focus
Prevents external coolant leaks and internal bypass leaks (which can cause sluggish engine warm-up or over-cooling).
Maintenance Directive
Single-use component. Always renew whenever the thermostat is replaced or the housing is opened. Inspect the seating surface in the housing for corrosion before installing the new ring.
Quality Seal
ELRING – Das Original (Certified Premium Cooling Circuit Security)
Additional information
Brand
Elring
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