20R5079 New Aftermarket Fuel Injector fits Caterpillar C9.3 Excavator (6 Cyl Engine) – GOTTO

$200.00

  • Brand: GOTTO (Aftermarket Part)
  • Condition: 100% Brand New
  • Calibration: Tested to OEM Flow Standards
  • Application: CAT C9.3 Engines (336E Excavators / Loaders)
  • Pricing: Tiered Pricing Active (Volume Discounts Available) 💰
  • Note: ⚠ Recommended to replace full set (6 units) to prevent engine imbalance.
QTY Discount(%) Price
1 - 5 $200.00
6 - 12 5 % $190.00
13+ 7.5 % $185.00

* Note: To order quantities exceeding the online limit, please click the [Get Bulk Quote] button below for exclusive wholesale pricing and custom shipping rates.

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Product Specifications:

The 20R5079 is a heavy-duty, precision-engineered Common Rail Diesel Fuel Injector (Aftermarket Replacement) designed specifically for Caterpillar C9.3 (and select C7) 6-cylinder diesel engines. These highly efficient powerplants are the beating heart of heavy construction equipment, most notably the popular 336E series excavators and medium wheel loaders. Manufactured to verify against rigorous OEM testing protocols to ensure optimal fuel atomization, emissions compliance, and maximum hydraulic power output.

📊 Part Number Cross Reference

(Data verified via global catalog search)

Brand (Ref Only) Part Number
Caterpillar (Ref) 20R-5079 / 20R5079
Interchange Numbers 456-3544 / 4563544

🚛 Fits Applications (Engine & Vehicle)

(Verified application list)

Make Machine / Model Engine Code
Caterpillar Excavator: 336E, 336EL, 336ELN C9.3
Caterpillar Forest Machine / Loader: 568 FM C9.3
Caterpillar Wheel Loader: 966K, 972K C9.3

👨‍🔧 Tech Notes & Installation Guide

  1. 💰 Why Replace the Full Set?

    • The Risk: Mixing a brand-new common rail injector with old, worn units on a 6-cylinder C9.3 engine causes severely uneven fuel delivery. This leads to Cylinder Power Imbalance (Engine Vibration, Drivetrain Stress, and Increased Fuel Consumption under heavy load).

    • The Fix: Take advantage of our Volume Discounts to install a matched set of 6 units. This ensures uniform fuel pressure across the rail and restores smooth factory performance.

  2. ✅ Calibration & Installation:

    • These injectors are pre-calibrated on the test bench to match OEM flow standards. (Note: Depending on your specific ECM software version, entering the unique injector trim code into the Caterpillar system may be required during installation for optimal fuel mapping).

  3. ⚠️ Critical Cleaning Step:

    • The entire high-pressure fuel delivery system (tank, lines, and rails) MUST be thoroughly flushed to remove metal shavings and debris. Always install a brand-new, high-efficiency fuel filter to protect the precision control valves from scoring.


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⚖️ Legal Disclaimer

Part numbers, OE numbers, and brand names (e.g., Caterpillar, CAT) mentioned above are for reference and identification purposes only. This product is a compatible aftermarket replacement part and is NOT manufactured, sponsored, or affiliated with the original equipment manufacturers.

Weight 1 kg
Dimensions 22 × 12 × 12 cm
Brand

GOTTO

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