Diesel Engine Parts Connecting Rod Bearing 1830505c1 1830269c1 1830506c1 1817021c1 Main Bearing Set

Product Details

Product Overview

This premium bearing set is designed for heavy-duty diesel engines commonly found in excavators and trucks. The set includes both connecting rod bearings and main bearings, providing a complete solution for engine overhaul or repair. Specifically engineered to meet or exceed OEM specifications, these bearings are manufactured to ensure precise fitment and long service life in demanding applications.

The part numbers included in this set—1830505c1, 1830269c1, 1830506c1, and 1817021c1—are direct replacements for components used in Isuzu 6HK1, DT530, 6D155, and 6D170 engine models. These bearings are critical for maintaining proper crankshaft clearance and oil film thickness, directly impacting engine performance and durability. Whether you are rebuilding an excavator engine or servicing a commercial truck, this bearing set offers a reliable, cost-effective solution without compromising on quality.

Key Features & Benefits

• Precision Engineered Fitment: Manufactured to exact OEM tolerances for seamless installation and optimal crankshaft support, reducing the risk of premature wear.
• Complete Bearing Set: Includes both connecting rod and main bearings in one package, simplifying procurement and ensuring component compatibility.
• High-Durability Material: Constructed from premium tri-metal or bi-metal alloys with advanced overlay coating to withstand high loads, heat, and friction in turbocharged diesel engines.
• Enhanced Oil Retention: Grooved and oil-hole designs ensure consistent lubrication, reducing friction and extending engine life during heavy-duty cycles.
• Rigorous Quality Control: Each bearing undergoes dimensional, hardness, and surface finish inspections to meet international standards for engine components.
• Cost-Effective Alternative: Provides OEM-quality performance at a competitive price point, ideal for fleet maintenance and aftermarket rebuilds.
• Wide Application Compatibility: Suitable for multiple engine families (6HK1, DT530, 6D155, 6D170), reducing inventory complexity for workshops and distributors.

Technical Specifications

OEM Cross-Reference

This bearing set directly replaces the following original equipment manufacturer (OEM) part numbers. Use the reference list below to verify compatibility with your existing engine components.

• Connecting Rod Bearings: 1830505c1, 1830269c1
• Main Bearings: 1830506c1, 1817021c1
• Additional Cross-References: May also interchange with Isuzu genuine parts for 6HK1 engine series. Always verify with your engine serial number or existing bearing markings before ordering.

Compatibility

This bearing set is commonly used for the following engine models and vehicle applications. Fitment is inferred based on standard OEM specifications; always confirm compatibility with your specific engine configuration.

• Engine Models: Isuzu 6HK1, DT530, 6D155, 6D170
• Vehicle Applications: Excavators (e.g., Hitachi, Kobelco, Komatsu models using these engines), heavy-duty trucks, and industrial machinery.
• Note: Not suitable for engines with significant modifications or non-standard crankshaft dimensions. For custom builds, consult with a qualified diesel technician.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the needs of international B2B buyers. Our logistics network supports fast, reliable delivery to major ports and industrial centers across the globe.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Japan, Australia, Singapore, South Korea), Middle East (UAE, Saudi Arabia, Qatar), and Africa (South Africa, Nigeria).
• Shipping Options: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight (FCL/LCL) available. Typical transit times: 3-7 days for express, 15-30 days for sea freight.
• Export Experience: Our team is experienced in international trade compliance, including customs documentation, HS code classification, and export packaging to prevent damage during transit.
• Bulk Orders: Volume discounts available for fleet operators, rebuild centers, and authorized distributors. Contact us for custom pricing and stocking arrangements.

Quality Assurance

We prioritize quality to ensure your engine rebuild performs reliably under the toughest conditions. Each bearing set is manufactured under strict quality control protocols.

• Manufacturing Standards: Produced in ISO-certified facilities (where applicable) with adherence to JIS (Japanese Industrial Standards) or equivalent international norms.
• Testing Procedures: Each batch is tested for dimensional accuracy (micrometer verification), hardness (Rockwell), and surface finish (profile measurement). Oil clearance simulations are performed to ensure consistent fitment.
• Warranty: Backed by a 6-month warranty against manufacturing defects. In the unlikely event of an issue, we provide video technical support to assist with diagnosis and replacement.
• Packaging: Individually wrapped and boxed to protect against dirt, moisture, and impact during storage and shipping.

FAQ

Q1: How do I verify that these bearings will fit my engine before ordering?
A: Compare the part numbers (1830505c1, 1830269c1, 1830506c1, 1817021c1) with your existing bearing markings. For the 6HK1 engine, these are standard sizes. However, if your engine has been rebuilt with oversized or undersized bearings (e.g., 0.25mm or 0.50mm), additional measurements may be required. We recommend checking your crankshaft journal diameter and main bore size against the bearing shell specifications. Contact our technical support with your engine serial number for further assistance.

Q2: Can I install these bearings without specialized tools?
A: While a basic mechanic can install bearings with standard hand tools, we strongly recommend using a torque wrench and plastigauge to verify oil clearance. Proper installation requires clean hands, lint-free cloths, and lubrication during assembly. For main bearings, a bearing puller/installer tool may be needed to avoid damaging the soft overlay. If you are not experienced with engine rebuilds, we advise hiring a certified diesel technician.

Q3: What maintenance is required after installing new bearings?
A: After installation, perform an initial start-up with clean oil and a new oil filter. Run the engine at idle for 10-15 minutes to circulate oil and check for unusual noises. Check oil pressure immediately; low pressure may indicate incorrect clearance. After the first 50 hours of operation, change the oil and filter again to remove any debris from the break-in period. Regularly monitor oil quality and pressure as part of routine maintenance to maximize bearing life.