OEM 612630040006 cylinder head gasket is a critical sealing spare part specially designed for Weichai WP12 series diesel engines, widely used on heavy-duty trucks and construction machinery.

This head gasket seals the joint surface between cylinder head and engine block, isolating engine oil, coolant and combustion gas. It effectively prevents oil leakage, water seepage and air blow-by, stabilizes engine internal pressure and extends the service life of the whole engine.

Our factory supplies full series WP12 engine replacement parts in bulk. This gasket fits Shacman, Howo, Auman heavy trucks, mining dumpers, wheel loaders and concrete mixers equipped with WP12 power units. Our products are popular among fleets and auto parts dealers in Africa, Southeast Asia and Central Asia.

• OEM Part Number: 612630040006
• Fit Engine: Weichai WP12 Diesel Engine
• Item Name: Cylinder Head Gasket
• Material: Multi-layer metal composite with high-temperature graphite interlayer
• Working Temperature Range: -40℃ ~ 650℃
• Pressure Resistance: Matches original WP12 engine standard pressure, anti-corrosion & anti-deformation
• Applicable Equipment: Heavy tractors, dump trucks, concrete mixers, loaders, mining construction machines

1. 1:1 OEM mold production, perfectly matching WP12 engine size and mounting holes for easy installation
2. Multi-layer metal composite structure resists high-temperature gas erosion, avoiding cylinder blowout and liquid leakage under heavy loads
3. Excellent resistance to coolant and engine oil corrosion, stable performance for long-distance transport and harsh mining working conditions
4. 100% air tightness pressure test before delivery, extremely low defective rate
5. Large ready stock for bulk export, ideal for overseas repair shops, parts wholesalers and fleet maintenance buyers

Standard stock MOQ: 50 pieces. MOQ can be negotiated for full container orders. Long-term distributors enjoy favorable bulk prices.

• Each gasket packed with independent moisture-proof PE bag to avoid oxidation and scratch
• Neutral export paper box for single package, printed with OEM No.612630040006 and WP12 mark
• Outer carton: 5-layer thick export corrugated box wrapped with waterproof stretch film, safe for sea and land long-distance shipping
• Custom color box with buyer’s brand logo available for orders over 500 pcs

• In-stock items: 3-7 working days after deposit to finish packing and shipment
• Out-of-stock customized orders: 15-25 working days production period; rush order service available with extra charge

Complete factory inspection reports and dimension test reports. We can provide copies of CE, ISO9001 quality management system certificates for customs clearance in different countries. We also support customers to apply local product access documents.

We accept FOB Qingdao / Ningbo / Shanghai, CIF, CFR and DDP door-to-door delivery with customs clearance service. Full container, LCL sea freight, air freight and express delivery are all available.

Overseas truck spare parts wholesalers, construction machinery repair workshops, logistics transport fleets, mining equipment rental companies, whole vehicle import & export traders, cross-border e-commerce auto parts sellers.