Caterpillar 3500B Fuel Injector

OE 3920202 / 20R1265 / 3861766

Aftermarket replacement for B2B importers, distributors, wholesalers and private-label programs.

Product category: Fuel Injectors
Brand application: Caterpillar
OE references: 3920202 / 20R1265 / 3861766
Application: Caterpillar 3500B

Confirm final specification and application before ordering.

PRODUCT OVERVIEW

ABOUT THIS FUEL INJECTOR.

The TRUPA Caterpillar 3500B Fuel Injector is an aftermarket replacement fuel injector referenced to OE numbers 3920202, 20R1265, 3861766. It is listed for Caterpillar 3500B. TRUPA supplies it to importers, distributors, wholesalers and private-label programs, with China export supply and partner-warehouse support in the USA and Brazil for eligible orders.

WHAT IT DOES

The fuel injector delivers precisely metered, atomised diesel into the combustion chamber. Heavy-duty engines use mechanical (PT), unit injector (EUI/HEUI) or common-rail designs, each with tight tolerances.

APPLICATION & FITMENT

Listed for Caterpillar 3500B. More parts for Caterpillar. Engine family: Caterpillar 3500 Series.

OE & INTERCHANGE NUMBERS

3920202
20R1265
3861766

BEFORE YOU ORDER

OE or Bosch reference number and engine model
Injector type (PT, EUI, HEUI or common rail)
Trim or calibration code requirements for electronic injectors
Production year, as injectors are often superseded within an engine family

COMMON REPLACEMENT SIGNS

Hard starting, misfire or rough idle
Black or white smoke and higher fuel consumption
Loss of power or cylinder imbalance
Fuel dilution of the engine oil

Read the troubleshooting guide →

QUALITY CHECKS

Injectors should be bench-tested for flow, spray pattern and leakage against the engine specification before shipment. How TRUPA approaches quality control.

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