Crankshaft Bearing R801H M801H 4HF1 Npr66 For Isuzu Excavator Truck

Product Details

Product Overview

This high-quality crankshaft bearing, identified by part numbers R801H and M801H, is specifically designed for the Isuzu 4HF1 engine. Commonly utilized in Isuzu NPR66 trucks and various excavator applications, this genuine component ensures reliable engine performance. The bearing is a critical element in the engine’s rotating assembly, providing a precise, low-friction surface for the crankshaft to rotate within the engine block.

As a genuine part, this bearing meets the exacting specifications required for the 4HF1 engine. It is essential for maintaining proper oil clearance and supporting the crankshaft under the high loads typical of heavy-duty excavator and truck operations. This product is suitable for both replacement and overhaul applications, ensuring your engine operates with maximum efficiency and longevity.

Key Features & Benefits

• Genuine Quality: This is a genuine condition part, ensuring it meets the original manufacturer’s specifications for fit, material, and performance.
• Precise Fitment: Specifically engineered for the Isuzu 4HF1 engine, guaranteeing correct oil clearance and crankshaft alignment.
• Long-Lasting Performance: Manufactured from durable materials to withstand the high pressures and temperatures of diesel engine operation, reducing wear and extending engine life.
• Critical Engine Component: Directly supports the crankshaft, reducing friction and preventing metal-to-metal contact, which is vital for engine reliability.
• Easy Identification: Clearly marked with part numbers R801H and M801H for simple cross-referencing and ordering.
• Low Minimum Order Quantity (MOQ): Available with a MOQ of just 1 piece, making it convenient for single repairs or small-scale overhauls.

Technical Specifications

OEM Cross-Reference

This crankshaft bearing is directly cross-referenced using the following part numbers:

• Part Number R801H
• Part Number M801H

These numbers are directly associated with the Isuzu 4HF1 engine and are critical for ensuring you receive the correct replacement part. Always verify your existing bearing’s markings against these numbers before purchase.

Compatibility

This crankshaft bearing is specifically designed for the following applications:

• Engine Model: Isuzu 4HF1
• Vehicle Models: Isuzu NPR66 (N-Series trucks)
• Equipment Type: Excavators and trucks powered by the 4HF1 engine

Note: Compatibility is inferred based on the engine model. Please verify that your equipment uses the Isuzu 4HF1 engine before purchasing.

Global Supply & Distribution

We offer worldwide shipping for this genuine Isuzu crankshaft bearing, ensuring fast and reliable delivery to major industrial centers across the globe. Our logistics network supports efficient export to key markets including:

• North America: USA, Canada, Mexico
• Europe: UK, Germany, France, Netherlands, Italy
• Asia-Pacific: Japan, Australia, South Korea, Singapore, China
• Middle East: UAE, Saudi Arabia, Qatar
• Africa & South America: South Africa, Brazil, Chile

We handle all international trade documentation and compliance, providing a seamless purchasing experience for B2B clients. Our standard delivery is processed immediately upon receipt of payment.

Quality Assurance

As a genuine component originating from Japan, this crankshaft bearing adheres to the rigorous manufacturing standards set by Isuzu. Each part is designed to provide a long service life and reliable performance under demanding conditions.

• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Genuine Condition: The part is in original, genuine condition, ensuring it has not been altered or remanufactured.
• After-Sales Support: We provide video technical support after the warranty period to assist with any installation or performance questions.

FAQ

Q1: Is this crankshaft bearing a direct replacement for the standard bearing in my Isuzu 4HF1 engine?
A: Yes, this bearing (part numbers R801H / M801H) is the genuine component designed for the Isuzu 4HF1 engine. It is a direct replacement and should match the original bearing in your engine, provided your engine uses these specific part numbers. We always recommend comparing the part number on your existing bearing to ensure correct fitment.

Q2: What is the recommended installation procedure for this bearing?
A: Installation requires precision. The bearing shells must be cleanly placed into the bearing saddles in the engine block and main bearing caps. The mating surfaces must be oil-free and clean. Correct torque specifications for the main bearing cap bolts must be followed to avoid distortion. After installation, it is critical to check the oil clearance using Plastigauge to ensure it is within the manufacturer’s specifications. If you are not experienced in engine assembly, we recommend consulting a professional mechanic.

Q3: How do I know if my 4HF1 engine needs new crankshaft bearings?
A: Common signs of worn main bearings include a low-frequency knocking sound from the lower part of the engine, especially under load. Low oil pressure, particularly at idle, is another key indicator. If you are overhauling the engine, the bearings should always be replaced as a set. Measuring the crankshaft journals for wear and the bearing clearance is the definitive way to determine if replacement is necessary.