Finding the right internal engine components determines the lifespan of your heavy machinery. For operators running Caterpillar C15 and Caterpillar C18 industrial engines, the 320A7120 (also searched as 320-A7120) connecting rod bearing is a critical component for ensuring rotational stability and oil film maintenance during high-torque operations.
Connect with us on Facebook for Real-time Parts Updates and Tech Support!| Model NO. | Caterpillar C15 / C18 Series | Part Number | 320A7120 / 320-A7120 |
| Product Name | Connecting Rod Bearing (Con-rod Bearing) | Type | Engine Internal Components |
| Condition | Brand New, OEM Standard Replacement | MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch | Packaging | Industrial Export Packing |
| Application | Engine rebuild, overhaul, maintenance | Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL Fedex EMS UPS or by Air/ Sea | ||
| Selection Criteria | Our Replacement Standard | Market Common Parts |
|---|---|---|
| 1. Material Composition | OEM-standard tri-metal structure (Steel back, copper-lead, tin plating) | Single or Bi-metal (Lower fatigue resistance) |
| 2. Precision Tolerance | Strict micron-level clearance for optimized oil pressure | Inconsistent sizing leading to early wear |
| 3. Heat Dissipation | Enhanced thermal conductivity for heavy load cycles | Poor heat transfer causing bearing seizure |
| 4. Engine Compatibility | Perfect fit for Caterpillar C15 and C18 connecting rods | General fitments with potential installation gaps |
| 5. Anti-Seizure Coating | High-performance overlay to protect during cold starts | Standard coating prone to peeling |
| 6. Reliability | Trusted by repair shops & equipment fleets globally | Unknown origin with no quality tracking |
Engine maintenance is about more than just replacing parts; it is about preventing catastrophic failure. Our team helps operators:
Identify potential risks during maintenance, such as uneven bearing wear or crankshaft scoring.
Recommend suitable replacement parts if needed to restore factory-spec performance.
Support both inspection advice and parts supply to minimize your equipment downtime.
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Answer: These are classic symptoms of worn 320A7120 connecting rod bearings. When the bearing clearance increases, oil escapes too quickly, dropping pressure and allowing metal-to-metal contact (knocking). Immediate replacement is required to avoid crankshaft damage.
Answer: Yes, the 320A7120 is designed for the high-output requirements of both C15 and C18 platforms, including industrial and marine configurations. Always verify the serial number before installation.
Answer: Our 320-A7120 bearing features an OEM-standard tri-metal structure. It is trusted by repair shops and equipment fleets for its durability under extreme pressure.
Get the right parts delivered to your site quickly. We specialize in heavy equipment engine solutions.
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Our company is a premier provider of engine assemblies and spare parts for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. We specialize in delivering high-precision components for industrial, construction, and marine applications.
Main Product Line: Cylinder Liners, Pistons, Piston Rings, Crankshaft Main Bearings, Connecting Rod Bearings, Thrust Washers, Full Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
Search References: Caterpillar C15 overhaul kit, C18 engine rebuild parts, 320A7120 bearing price, Komatsu water pump supplier, Cummins piston ring set, Isuzu engine gasket kit, Kubota cylinder head replacement, Yanmar diesel pump repair, Weichai engine components, heavy duty engine bearing clearance, industrial engine maintenance parts, crankshaft bearing torque specs, conrod bearing installation, aftermarket engine parts wholesale, genuine engine rebuild components, diesel engine spare parts distributor, heavy equipment maintenance supply, engine block repair kit, high performance turbocharger supply, cylinder liner kits for mining equipment.
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