Product Overview

This premium remanufactured diesel fuel injector, cross-referenced as 177-4754 / 1774754 / 2225972, is a direct replacement for the Caterpillar 3126 and 3126B engine platforms. Engineered for precision fuel delivery, this injector restores lost power, reduces fuel consumption, and ensures smooth operation in demanding excavator and heavy equipment applications. Our facility in Shandong, China, ships globally to major markets including North America, Europe, the Middle East, and Asia-Pacific, ensuring fast delivery to industrial centers worldwide.

Key Features & Benefits

• OEM Standard Fitment: Direct bolt-on replacement for part numbers 177-4754, 1774754, and 2225972, eliminating the need for modifications.
• Remanufactured Reliability: Fully disassembled, cleaned, and rebuilt using high-speed steel components to match new OEM specifications.
• 100% Professional Testing: Every unit undergoes rigorous flow, pressure, and spray pattern testing to guarantee performance.
• Enhanced Durability: High-speed steel construction resists wear and corrosion, extending service life in harsh operating conditions.
• Fuel Efficiency: Precision-machined internals ensure optimal atomization, reducing fuel waste and exhaust emissions.

Technical Specifications

OEM Cross-Reference

This injector replaces the following original equipment manufacturer (OEM) part numbers:

• Caterpillar: 177-4754, 1774754, 2225972
• Alternative References: 222-5972 (where applicable)

Compatibility

This fuel injector is specifically designed for the following engine applications:

• Engine Models: Caterpillar 3126, 3126B
• Vehicle/Equipment Types: Excavators, heavy-duty trucks, buses, and industrial machinery powered by the 3126 series diesel engine.
• Year Range: Typically compatible with models manufactured from the late 1990s through the mid-2000s. Please verify your engine serial number for exact fitment.

Global Supply & Distribution

• Worldwide Shipping: We ship to all major continents via air, sea, and land freight.
• Key Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, Singapore, Indonesia), Middle East (UAE, Saudi Arabia, Qatar), and Africa.
• Fast Delivery: Stock items dispatched within 24-48 hours to major ports (e.g., Shanghai, Qingdao) and industrial hubs.
• Export Expertise: Experienced in international trade documentation and customs compliance for smooth global transactions.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities adhering to strict quality control protocols.
• Testing Procedures: Each injector is 100% flow-tested, pressure-tested, and spray-pattern verified to ensure OEM-level performance.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for B2B buyers.

FAQ

Q1: Will this injector fit my Caterpillar 3126B engine without modifications?
Yes, this injector (part numbers 177-4754 / 1774754 / 2225972) is a direct OEM replacement designed for the 3126 and 3126B engines. No modifications are required. However, we recommend cross-checking your engine’s serial number and existing injector part number to ensure compatibility.

Q2: What is the recommended installation procedure for this remanufactured injector?
Installation should be performed by a qualified diesel technician. Key steps include: cleaning the injector bore, using new copper washers and O-rings (not included), torquing to manufacturer specifications, and bleeding the fuel system after installation to remove air. Failure to follow proper procedure may void the warranty.

Q3: How do I maintain these injectors to maximize their lifespan?
Use high-quality diesel fuel with proper filtration. Replace fuel filters at recommended intervals. Avoid running the engine on low fuel, which can draw debris into the system. Periodic professional cleaning and flow testing every 1,500-2,000 hours can extend service life.