386-1766 20R-1275 Caterpillar 3500B Injector Assembly | Fuel System Parts

386-1766 20R-1275 Caterpillar 3500B Injector Assembly | Fuel System Parts

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386-1766 20R-1275 Caterpillar 3500B Injector Assembly | Fuel System Parts

386-1766 20R-1275 Caterpillar 3500B Injector Assembly | Fuel System Parts

$0.00
Sale price  $0.00 Regular price 

CAT 386-1766 / 20R-1275 Caterpillar 3500B Injector Assembly

OEM-quality fuel injector assembly for Caterpillar 3500B diesel engines. Delivers precisely metered and atomized fuel directly into the combustion chamber at the correct timing and pressure for optimal combustion efficiency, power output, and emissions control. Manufactured to OEM specifications for correct flow rate, spray pattern, and opening pressure. Essential for fuel system overhaul and injector replacement. Ideal for global parts retailers, repair service providers, and heavy-duty diesel engine workshops.

Part Specifications

  • Part Number: 386-1766 / 20R-1275
  • Brand: Caterpillar (CAT)
  • Component: Injector Assembly
  • Condition: New / OEM Replacement
  • Country of Origin: China
  • HS Code: 8409.99
  • Application: Industrial / Marine / Power Generation

Compatible Engine Models

  • Caterpillar 3500B
  • Caterpillar 3508B
  • Caterpillar 3512B
  • Caterpillar 3516B
  • Please confirm compatibility with your engine serial number before ordering.

Cross Reference Numbers

386-1766 | 3861766 | CAT3861766 | 20R-1275 | 20R1275 | CAT20R1275

Supersedes / Alternate Part Numbers

  • 20R-1275 — Injector Assembly (Alternate / Reman)

Why Choose Us?

  • Global B2B wholesale supply
  • Bulk pricing available — contact us for a quote
  • Fast international shipping
  • OEM & aftermarket options

Need bulk pricing or a custom quote? Submit an RFQ →

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