CAT Fuel Injector – Product Overview
A fuel injector is a precision-engineered component responsible for delivering metered fuel into the diesel engine combustion chamber at the correct pressure, timing, and atomization pattern. It plays a critical role in engine performance, fuel efficiency, and emissions compliance.
Applications
This Fuel Injector is designed for CAT construction equipment and industrial engines. It is compatible with a wide range of machine models and engine configurations. The component is manufactured to meet or exceed original equipment specifications for reliable performance in demanding operating conditions.
Compatible OEM Part Numbers
We supply the following comprehensive list of CAT Fuel Injector part numbers. These part numbers cover various machine models, engine configurations, and design revisions:
- Primary Part Number: 127-8218
- Also Available: 263-4920 CAT Injector Sleeve
- Also Available: 3647040 INJECTOR GP-FUEL
- Also Available: 5577633
- Also Available: C13 Injector 2490713
- Also Available: C15 Injector 291-5911
- Also Available: C6.6 Injector 3200677
- Also Available: C7-1 Injector 3713974
- Also Available: C9 Injector 235-2888
- Also Available: C9 Injector 5577633
- Also Available: C9 Injector Install Tool
- Also Available: Injector 10R-7675
- Also Available: Injector 10R7222 10R-7222
- Also Available: Injector 127-8218
- Also Available: Injector 1301804
- Also Available: Injector 178-0199
- Also Available: Injector 2113023
- Also Available: Injector 230-9457
- Also Available: Injector 232-1167
- Also Available: Injector 2352888
- Also Available: Injector 249-0713
- Also Available: Injector 249-0713 (2)
- Also Available: Injector 326-4756
- Also Available: Injector 3264700
- Also Available: Injector 386-1752
- Also Available: Injector 387-9432
- Also Available: Injector 392-0226
- Also Available: Injector 3969626 0445120371
- Also Available: Injector 4563493 3674293
- Also Available: Injector 4W7016
- Also Available: Injector 8N7005
- Also Available: Injector Seals 297-4841
- Also Available: Injector Sleeve 227-1200
- Also Available: Injector Sleeves 227-1200
- Also Available: Injector Sleeves Seals 310-7255
- Also Available: Injector Sleeves Seals 310-7257
If your specific part number is not listed, please contact our sales team with your machine model and serial number. We can source most part numbers with short lead times.
Technical Specifications
- Product Type: Diesel Fuel Injector (Unit Injector / Common Rail Injector)
- Injection Pressure: Up to 2,500 bar
- Nozzle Type: Multi-hole micro-sac nozzle
- Material: Hardened alloy steel with precision-ground nozzle
- Quality: Meets or exceeds OEM specifications
Installation Guide
- Ensure the machine is on level ground, engine off, and all systems are safely depressurized before starting work.
- Clean the area around the component thoroughly to prevent contamination during removal and installation.
- Refer to the manufacturer service manual for the specific removal and installation procedure.
- Use proper tools and lifting equipment as specified in the service manual.
- Replace all gaskets, seals, and O-rings with new ones during installation.
- Tighten all fasteners to the manufacturer’s specified torque values using a calibrated torque wrench.
- After installation, check for proper operation and leaks before returning the machine to service.
- Perform a test run at low speed and gradually increase to normal operating speed.
Price Range
$180 – $1,200 USD per injector (depending on technology and brand)
Volume discounts are available for fleet operators and repair shops. Contact our sales team for a firm quote based on your specific part number and quantity requirements.
Maintenance Tips
- Replace fuel filters at recommended intervals (every 250-500 hours) to prevent contamination.
- Use only high-quality diesel fuel with the correct cetane rating.
- Drain fuel/water separator daily to remove water accumulation.
- Monitor engine performance: rough idling, excessive smoke, or reduced power indicate injector issues.
- Perform injector return flow testing every 2,000 hours.
- For common rail systems, code new injectors using manufacturer diagnostic software after installation.
Warranty
All products supplied by us are covered by a 12-month warranty against manufacturing defects in materials and workmanship. The warranty covers replacement or repair at our discretion. Proper installation by a qualified technician and adherence to the recommended maintenance schedule are required for warranty validity.
Shipping and Delivery
In-stock items ship within 24-48 hours via express freight (DHL, FedEx, or UPS). Standard delivery time is 5-10 business days worldwide. Expedited shipping options are available upon request. All shipments are fully insured and include tracking information.
Why Choose Our Products?
- Direct OEM replacement with guaranteed fitment and performance
- Rigorous quality testing before shipment
- Competitive pricing with factory-direct supply chain
- Technical support available for installation and troubleshooting
- Proven reliability with thousands of units supplied worldwide
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