Product Description
Main Bearing 1000187578 1000187579 for Weichai WP4.1N WP4.6N Diesel Engine Spare Parts
High quality crankshaft main bearing for Weichai WP4.1N WP4.6N diesel engine. Direct replacement with 12 month warranty.
Product Specifications
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Part Number
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1000187578/1000187579
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Product Type
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Crankshaft Main Bearing
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Engine Model
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Weichai WP4.1N WP4.6N
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Condition
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Brand New
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Quality
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OEM equivalent quality
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Place of Origin
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China
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Warranty
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12 Months
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MOQ
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1 set
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Lead Time
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3-5 working days
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Product Description
The 1000187578/1000187579 Crankshaft Main Bearing is a precision engine component installed between the engine block and crankshaft main journal in Weichai WP4.1N WP4.6N diesel engines. It supports the entire crankshaft assembly, reduces rotary friction and maintains stable oil film protection for crankshaft rotation under heavy load operation.
This is a brand new, 100% tested replacement main bearing that serves as a direct replacement for the original unit. It is manufactured from high performance bi metal alloy materials with precision machined bearing shells, featuring excellent load carrying capacity, superior oil film formation, and outstanding wear resistance for reliable engine performance under high speed and heavy load operating conditions.
Why Choose Us
✅ OEM Equivalent Standard quality at competitive price
✅ 12-month warranty
✅ Fast lead time 3-5 days
✅ Strict QC inspection
✅ Custom packaging available
FAQ
Q: What does a crankshaft main bearing do?
A: The crankshaft main bearing is a precision engine component fitted between engine block and crankshaft main journal. It bears the full load of crankshaft rotation, avoids direct metal to metal contact, keeps stable lubricating oil film, and guarantees smooth running of the whole crankshaft piston assembly.
Q: What are the symptoms of a worn main bearing?
A: Common symptoms include a metallic knocking noise from the engine crankcase area, low engine oil pressure warning, increased engine vibration, loss of engine power, or metal debris found in engine oil during oil changes.
Q: OEM or aftermarket?
A: High-quality aftermarket meeting OEM Equivalent Standard.
Q: What is the lead time?
A: In stock items ship within 3-5 days. Bulk orders may take 7-15 days depending on quantity.
Q: What payment methods do you accept?
A: We accept T/T (Telegraphic Transfer). Other payment methods may be available upon request for qualified buyers.
Q: Packaging options?
A: OEM, neutral, or custom packaging available.
About Guangzhou Qianchuan Machinery Parts Co., Ltd.
广州千川机械配件有限公司 — 13+ Years experience, 6500+ spare parts items, exported to over 200 countries. OEM & aftermarket parts for excavators, loaders, and forklifts. Specializing in Cat, Komatsu, Kubota, Sany, XCMG, Doosan, and more.
Contact us for wholesale pricing!
WhatsApp: +86 15360646166
Tim@partsforexcavator.com | www.partsforexcavator.com
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