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Xichai J6 Engine Cylinder Head Gaskets 1003020-81DR for FAW

The Cylinder Head Gasket Assembly (Part No. 1003020-81DR) is an original equipment (OE) engine sealing component produced by FAW Jiefang for use in high-performance diesel engines within its heavy-duty truck lineup. Designed as the critical interface between the cylinder head and engine block, this gasket ensures reliable sealing of combustion pressure, coolant passages, and oil galleries — preventing catastrophic leaks such as cylinder blow-by, coolant-oil mixing, or internal fluid cross-contamination.

Engineered specifically for FAWDE AWEIL CA6DM2 11L engines, it features a multi-layer steel (MLS) construction with fluororubber-coated sealing beads that provide superior resilience under extreme thermal cycling and high-compression loads. With peak combustion pressures exceeding 180 bar, this gasket maintains integrity even during continuous high-load operation typical of long-haul freight, mining, and heavy transport applications.

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Model:
1003020-81DR
Brand:
FAW

Product Description

Attribute	Description
Product Name	Cylinder Head Gasket Assembly
Manufacturer	FAW Jiefang Co., Ltd. / FAWDE (AWEIL), China
Type	Multi-Layer Steel (MLS) – Reusable Compression Seal
Function	Seals combustion chamber, coolant channels, and oil circuits between cylinder head and block
Application	Inline 6-cylinder diesel engines – CA6DM2/CA6DL2 platform
Material Composition	- Core: 3–5 layers of stainless steel - Surface: Fluoroelastomer (FKM) or special heat-resistant coating
Environmental Compliance	Asbestos-free; meets 2025 environmental manufacturing standards
Quality Standard	Complies with FAW OE specifications and IATF 16949 automotive quality system

Parameter	Value / Detail
OEM Part Number	1003020-81DR
Alternate Formats	100302081DR (no hyphen), 1003020-81D (base version)
Gasket Type	Full-time MLS (Multi-Layer Steel)
Applicable Engine Model	- CA6DM2 (11L): 390hp, 420hp, 460hp variants - Some CA6DL2 applications
Bore Diameter	Matches 126mm piston bore
Combustion Pressure Resistance	> 180 bar (high-efficiency HPCR engine compatible)
Temperature Resistance	Up to +300°C at fire ring zones
Coolant & Oil Channel Sealing	Integrated solid copper or steel fire rings around each bore and fluid port
Reusability	❌ One-time use only — cannot be reused after disassembly due to permanent compression set
Weight	Approx. 1.8 kg – 2.3 kg (including alignment sleeves and accessories)