Huludao Heatspin Auto Parts Manufacturing Co., Ltd.
| Color | White Color and Black Color Available |
| Delivery Time | 7-15 Days |
| Packaging Details | HEATSPIN PACKING+NEUTRAL PACKING |
| Payment Terms | T/T,Western Union |
| Warranty | 1 Year or 100,000 Kilometers |
| Supply Ability | 100,000 unit |
| Model Number | 6WG1 6WF1 |
| Brand Name | Heatspin |
| Place of Origin | Liaoning, China |
| Certification | ISO9001:2015 |
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Product Specification
| Color | White Color and Black Color Available | Delivery Time | 7-15 Days |
| Packaging Details | HEATSPIN PACKING+NEUTRAL PACKING | Payment Terms | T/T,Western Union |
| Warranty | 1 Year or 100,000 Kilometers | Supply Ability | 100,000 unit |
| Model Number | 6WG1 6WF1 | Brand Name | Heatspin |
| Place of Origin | Liaoning, China | Certification | ISO9001:2015 |
| High Light | 1-12121-143-0 Premium Cylinder Liner ，Premium Cast Iron Cylinder Liner ，6WF1 Cast Iron Cylinder Liner | ||
Engine Fitment: Isuzu 6WG1 / 6WG1X / 6WG1-T (Turbocharged Diesel)
Equipment Application: Hitachi Heavy Excavators (ZX450 / ZX470 / EX450 Series)
OEM Reference Number: 1-12121-143-0 / 1121211430
Engineering Dimensions: 147mm × 151.5mm × 267mm × 158.3mm
Keep your heavy earthmoving machinery operating at peak performance with our Premium Cast Iron Cylinder Liner (1-12121-143-0). This high-grade engine sleeve is custom-engineered specifically for the Isuzu 6WG1 diesel engine, widely utilized in Hitachi large-scale excavators and heavy-duty industrial equipment.
Faced with the continuous high-load, high-temperature demands of mining and construction sites, standard liners fail prematurely. Our 6WG1 engine sleeves are cast from an advanced pearlitic boron-iron alloy, guaranteeing excellent structural integrity, rapid heat dissipation, and superior wear resistance under extreme hydraulic and mechanical stresses.
Please verify your engine block measurements against our precise micro-machined dimensions below:
| Technical Parameter | Metric Specification |
| Inner Cylinder Bore (ID) | 147.0 mm |
| Outer Wall Diameter (OD) | 151.5 mm |
| Total Sleeve Height (H) | 267.0 mm |
| Flange Rim Diameter (F) | 158.3 mm |
| Material Base | High-Strength Pearlitic Alloy Cast Iron |
| Surface Finish Process | Cross-Hatch Plateau Honing |
| Tensile Strength | 260 MPa |
| Compatible Machines | Hitachi ZX450, ZX450LC, ZX470H, ZX470LCR, ZX500LC, EX450 |
Precision Flange Machining: Developed strictly to the 147mm × 151.5mm × 267mm × 158.3mm geometry. The 158.3mm flange ensures a perfect counterbore seating within the 6WG1 engine block, preventing head gasket leakage.
Advanced Plateau Honing Finish: The precise cross-hatch pattern on the inner bore ensures optimal engine oil film retention. This reduces friction with the piston rings, drastically lowers blow-by, and stabilizes oil pressure during heavy digging cycles.
Exceptional Cavitation Resistance: The specialized alloy material structure protects the outer liner wall from liner pitting and cavitation erosion caused by intense cooling system shockwaves.
OEM Interchanges: 1-12121-143-0, 1121211430, 1-12121143-0
Equipment Compatibility: Hitachi ZAXIS 450 / 470 / 500 series crawler excavators, heavy-duty tippers, and industrial power generation units running Isuzu 6WG1X powerplants.
Minimum Order Quantity (MOQ): 1 Engine Set / 6 PCS (Sample orders accepted for quality testing)
Packaging: Rust-proof VCI plastic wrap, housed in individual shockproof neutral boxes and packed into reinforced ocean-freight wooden crates.
Production & Supply: 100,000 Pcs/Month capacity. Prompt dispatch from major Chinese ports (Shanghai/Ningbo/Guangzhou).
Company Details
Business Type:
Manufacturer
Year Established:
2004
Total Annual:
1-10
Employee Number:
1~100
Ecer Certification：
Verified Supplier
We are a premier manufacturer and global supplier specializing in high-performance diesel engine components for Japanese and Korean vehicle series(for Isuzu,Mitsubishi,Toyota,Nissan,Mazda,Hino,Hyundai,Kia... ). With our advanced manufacturing facility located in Huludao, Liaoning Province, and ... We are a premier manufacturer and global supplier specializing in high-performance diesel engine components for Japanese and Korean vehicle series(for Isuzu,Mitsubishi,Toyota,Nissan,Mazda,Hino,Hyundai,Kia... ). With our advanced manufacturing facility located in Huludao, Liaoning Province, and ...
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