5123190033 Crankshaft Friction Ring For Isuzu 4BD1 6BD1 6BG1 5-12319003-3 Excavator Engine

Product Details

Product Overview

This genuine Crankshaft Friction Ring, identified by OEM part number 5-12319003-3 (also referenced as 5123190033), is a critical component designed for precision fitment in Isuzu diesel engine applications. Manufactured to original equipment specifications, this part is specifically engineered for use in Excavator power systems and is commonly associated with the Isuzu 4BD1, 6BD1, and 6BG1 engine models.

As a long-lasting, genuine-condition part sourced from Japan, this crankshaft friction ring ensures optimal rotational stability and reduced wear between the crankshaft and surrounding components. It is an essential replacement item for maintaining the integrity of your heavy-duty engine’s rotating assembly, particularly in demanding construction and earthmoving equipment. While primarily designed for the listed models, please verify compatibility with your specific engine serial number to ensure a precise fit.

Key Features & Benefits

• Genuine OEM Specification: This part is manufactured to original Isuzu standards, ensuring factory-level fit, form, and function for maximum reliability.
• Superior Durability: Engineered for longevity in high-stress excavator applications, reducing the frequency of downtime and replacement cycles.
• Precise Part Identification: Clearly stamped with OEM number 5-12319003-3 (5123190033) for easy cross-referencing and zero-confusion ordering.
• Optimized Friction Control: Designed to provide the exact surface friction required for proper crankshaft dampening and oil seal performance.
• Direct Fitment Confidence: Specifically matched to Isuzu 4BD1, 6BD1, and 6BG1 engine platforms, eliminating the guesswork from your parts procurement.
• Japanese Manufacturing Origin: Sourced from Japan, a region renowned for high-precision engine component manufacturing and strict quality control.

Technical Specifications

OEM Cross-Reference

This crankshaft friction ring is directly interchangeable with the following OEM part numbers. Use these references to confirm compatibility with your existing inventory or parts catalog:

• Isuzu OEM: 5-12319003-3
• Alternative Reference: 5123190033
• Related OEM Numbers (Compatible Series): 5-12319003-2, 5-12319003-1 (for older revision verification)

Note: Always verify the physical dimensions and groove pattern against your original part before installation.

Compatibility

This component is commonly used for the following Isuzu engine platforms found in heavy equipment:

• Isuzu 4BD1 – 4-cylinder direct injection diesel engine
• Isuzu 6BD1 – 6-cylinder direct injection diesel engine
• Isuzu 6BG1 – 6-cylinder, higher displacement variant of the BD1 series

These engines are frequently installed in Hitachi, Sumitomo, Kobelco, and other major excavator brands. While this part is specifically designed for these models, always cross-check your engine serial number and part dimensions to ensure full compatibility.

Global Supply & Distribution

We offer worldwide shipping capabilities to serve the international B2B market. Our logistics network ensures fast and reliable delivery to major industrial centers and ports, including:

• North America: Los Angeles, Houston, Chicago, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, London
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney, Dubai
• Middle East & Africa: Jebel Ali, Dammam, Johannesburg

With efficient payment receipt processing, we ensure rapid dispatch of your order. Our export experience covers customs documentation and international trade compliance, making cross-border procurement seamless for B2B buyers, parts distributors, and workshop operators.

Quality Assurance

This crankshaft friction ring is supplied as a genuine-condition part, reflecting the high manufacturing standards of Japanese industrial components. While specific certifications are not listed, the part is sourced from a reputable supply chain with a focus on long-lasting performance. We provide a 3-month warranty against manufacturing defects, offering you peace of mind with every purchase. For post-sale support, we offer video technical support to assist with fitment verification and installation guidance.

FAQ

Q1: How do I confirm this friction ring fits my Isuzu 6BD1 engine?
A: First, locate your engine serial number on the engine block. Cross-reference this number with the OEM specification for the 6BD1 series. Visually compare your old friction ring’s inner diameter, outer diameter, and thickness against the dimensions of part 5-12319003-3. If you have any doubts, contact our support team for a video verification session.

Q2: Can I install this crankshaft friction ring without removing the engine?
A: Generally, replacement of the crankshaft friction ring requires access to the front of the engine (timing gear area) or the rear (flywheel housing). In most excavator applications, this is a component replaced during an in-frame overhaul or when the front oil seal is being serviced. We recommend consulting your engine service manual for specific removal procedures, as it often requires specialized pullers.

Q3: What are the signs of a worn crankshaft friction ring?
A: Common indicators include excessive crankshaft end-play, oil leaks from the front or rear main seals (due to vibration), and unusual knocking noises from the lower end of the engine. If you detect any of these symptoms during operation, inspect the friction ring and replace it with a genuine OEM part like the 5-12319003-3 to prevent further damage to the crankshaft thrust surfaces.