C221 Main Bearing and Connecting Rod Bearing 5-12271005-0 5-11510021-0 for Isuzu Engine Parts

Product Details

Product Overview

This offering comprises a complete set of main bearings and connecting rod bearings specifically designed for the Isuzu C221 diesel engine. Identified by the critical part numbers 5-12271005-0 (main bearing) and 5-11510021-0 (connecting rod bearing), these components are essential for rebuilding or servicing the C221 power unit. As precision engine parts, they are manufactured to OEM size specifications, ensuring a direct and reliable replacement for worn components in a variety of industrial applications.

While the C221 engine is commonly associated with Isuzu, these bearing sets are suitable for a wide range of equipment that utilizes this powerplant, including construction machinery, agricultural tractors, industrial generators, marine vessels, and material handling equipment. The bearings are crafted to restore proper crankshaft and connecting rod clearances, which is vital for maintaining oil pressure, reducing friction, and extending the overall service life of the engine.

Key Features & Benefits

• Precise OEM Fitment: Manufactured to standard OEM dimensions for a direct, hassle-free installation into the Isuzu C221 engine block and connecting rods, eliminating the need for modifications.
• Enhanced Durability: Constructed from high-quality bearing materials designed to withstand the high loads and stresses of diesel engine operation, providing long-lasting performance and resistance to wear.
• Critical Engine Protection: Properly sized bearings ensure the correct oil clearance for the crankshaft and connecting rods, which is crucial for maintaining adequate oil film thickness and preventing catastrophic engine failure.
• Complete Rebuild Set: This package includes both the main bearing set and the connecting rod bearing set, providing everything needed for a comprehensive bottom-end engine overhaul in one convenient order.
• Verified Quality Assurance: Each bearing set undergoes rigorous inspection, with outgoing video and machinery test reports available upon request to confirm dimensional accuracy and surface quality.
• Versatile Application Range: Suitable for a broad spectrum of equipment, from construction and agriculture to marine and power generation, making it a versatile stock item for repair shops and dealers.

Technical Specifications

OEM Cross-Reference

This bearing set is a direct replacement for the following genuine Isuzu part numbers:

• Main Bearing: Isuzu 5-12271005-0, 5122710050
• Connecting Rod Bearing: Isuzu 5-11510021-0, 5115100210

These numbers are the primary identifiers for the C221 engine bearing set. Always verify your existing part numbers against this list to confirm compatibility before installation.

Compatibility

This bearing set is specifically designed for use in the Isuzu C221 diesel engine. This engine is commonly used for powering a wide variety of equipment, including:

• Excavators and mini-excavators
• Forklifts and material handlers
• Agricultural tractors and harvesters
• Industrial generators and pumps
• Marine auxiliary engines

Note: Fitment is confirmed for the C221 engine model. Always verify your specific engine model and existing bearing part numbers prior to purchase.

Global Supply & Distribution

As a trusted supplier based in Guangdong, China, offers a reliable global supply chain for these critical engine components. We serve major international markets including North America, Europe, Southeast Asia, the Middle East, Africa, and Oceania. Our logistics network ensures fast and efficient delivery to major ports and industrial centers worldwide. With extensive export experience, we are well-versed in international trade documentation and compliance, ensuring a smooth procurement process for B2B buyers, distributors, and repair facilities across the globe.

Quality Assurance

We prioritize quality and reliability. Each bearing set is manufactured under strict quality controls to meet or exceed OEM specifications. Our commitment to quality is backed by a 6-month defects liability period. To provide further confidence, we offer video outgoing inspection and can provide machinery test reports upon request, demonstrating our dedication to delivering a product you can trust for your engine rebuild projects.

FAQ

Q: How can I be sure these bearings will fit my engine?
A: This specific set is designed for the Isuzu C221 diesel engine. The most reliable way to confirm fitment is to check the part numbers stamped on your old bearings. The main bearing part number should be 5-12271005-0, and the connecting rod bearing number should be 5-11510021-0. If these numbers match, the bearings are a direct fit.

Q: What is involved in installing these main and rod bearings?
A: Installation is a precision task requiring mechanical expertise. The engine must be disassembled, and the crankshaft and connecting rods removed. The old bearing shells are replaced with the new ones. Correct oil clearance must be verified using Plastigauge. It is critical to lubricate the bearings with clean engine oil during assembly and to torque all bolts to the manufacturer’s specifications. We always recommend professional installation by a qualified diesel mechanic.

Q: What maintenance is recommended after installing new bearings?
A: After installing new bearings, the engine should be primed with oil before starting to ensure immediate lubrication. It is crucial to perform an initial oil and filter change after a brief run-in period (e.g., 50 hours) to remove any fine wear particles from the break-in process. Thereafter, adhere to the engine manufacturer’s recommended oil change intervals using the correct viscosity and quality of diesel engine oil.