1002412FA-1 Crankshaft Main Bearing Shell Engine Main Journal Bushing Set For JAC HFC4DA1-1 Diesel Engine Anti-Wear Friction Parts
Product Details
| OEM: | 1002412FA-1 | Vehicle Model: | HFC4DA1-1 |
|---|---|---|---|
| Highlight |
JAC Truck Crankshaft Main Bearing Shell,1002412FA-1,1002412FA-1 Crankshaft Main Bearing Shell |
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Product Description
1002412FA-1 Crankshaft Main Bearing is the sliding bearing shell installed between engine main journal and cylinder block of JAC HFC4DA1-1 diesel engine. It bears alternating combustion impact loads and maintains a stable lubricating oil film to avoid direct metal contact between crankshaft and engine block. This aftermarket replacement bearing set fixes abnormal engine knocking, low oil pressure and journal scuffing triggered by alloy layer peeling, fatigue pitting and excessive clearance of worn bearings. Reliable lubrication protection extends crankshaft service life and prevents serious engine damage for light trucks working on heavy-load delivery and long-running logistics tasks.
Product Advantages Steel back combined with high-performance bimetallic alloy layer delivers strong load capacity and good embedability. Uniform thickness control ensures consistent running clearance. Surface oil distribution structure helps retain lubricant under shock load. Every bearing set passes thickness inspection and surface defect screening before shipment, OEM size for direct replacement during engine overhaul.
| Item | Parameter |
|---|---|
| Part Number | 1002412FA-1 |
| Product Name | Crankshaft Main Bearing Shell Set |
| Matching Engine | JAC HFC4DA1-1 |
| Material | Steel Back + Bimetallic Alloy |
| Feature | Impact Resistant, Oil Film Stabilization, Anti-Wear, High Load Bearing |
| MOQ | Negotiable |
| Application | Crankshaft Main Journal Sliding Friction Protection Assembly |
Applicable Models Fit for JAC light-duty commercial trucks equipped with HFC4DA1-1 diesel engine, widely used for regional cargo transportation and township distribution.
FAQ
Q1: What symptoms indicate the main bearings are worn?
A1: Deep knocking sound from engine lower block, idle oil pressure obviously lower than standard value.
Q2: Why check crankshaft main journal before fitting new main bearings?
A2: If journal surface has scratches or out-of-round deformation, new bearings will fail quickly.
Q3: What problem will insufficient lubrication cause?
A3: Lubricating oil film breaks, resulting in bearing seizure and permanent damage to crankshaft and cylinder block.
Product Highlights
1002412FA-1 Crankshaft Main Bearing is the sliding bearing shell installed between engine main journal and cylinder block of JAC HFC4DA1-1 diesel engine. It bears alternating combustion impact loads and maintains a stable lubricating oil film to avoid direct metal contact between crankshaft and ...
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