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You are here: Home » Products » Fuel System & Turbo » Diesel Fuel Injector » Caterpillar Diesel Injectors » 387-9433 CAT C9 HEUI Injector for 330C and 336D

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387-9433 CAT C9 HEUI Injector for 330C and 336D

The 387-9433 Caterpillar diesel injector is offered for 330C, 336D and other source-confirmed C9 equipment. It is managed as a complete HEUI complete injector, not as a nozzle or repair component. Wholesale buyers should reconcile broad C9 machine-list serial verification, the removed unit and the engine or machine record before approving a shipment.
  • 387-9433

  • Elecdurauto

  • 387-9433

  • 10R-7222; 254-4339; 293-4072; 328-2574; 557-7633

  • Elecdurauto

  • IATF 16949 / ISO 9001 / CE / RoHS

  • 6–12 pcs

  • 7–15 Days

  • Neutral / Customized Packaging

  • 12 months

  • 10R-7222; 254-4339; 293-4072; 328-2574; 557-7633

  • 330C, 336D and other source-confirmed C9 equipment

  • Confirm broad C9 machine-list serial verification, the removed injector and engine/equipment serial.

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387-9433 CAT C9 Complete Injector Product Description

387-9433 is a CAT C9 HEUI injector connected with 10R-7222, 254-4339, 293-4072, 328-2574 and 557-7633. CAT's live parts information spans a wide machine set, including 330D and 336D excavators as well as graders, compactors, scrapers and other C9 equipment. The source line also names 330C and 336D.

That breadth makes a short model label risky. A purchasing office supporting several operating divisions should capture machine class, exact model, serial and current configuration before approving 387-9433. The official compatibility list is a starting point for serial review, not permission to move one injector freely between every C9 asset.

This listing is written for a group that may buy excavator, grader and compactor parts on one account. Each quantity can share the same complete-injector number while retaining a different asset allocation. The warehouse then knows why the product was approved and can stop a transfer that lacks a matching machine record.


387-9433 broad C9 machine-list serial verification B2B Supply

Begin with 387-9433, the machine model and serial, C9 arrangement and photographs of the removed injector. Add whichever of 10R-7222, 254-4339, 293-4072, 328-2574 or 557-7633 appears in the service system. The sales response should identify the supplied body and avoid compressing the application to universal C9.

MOQ is 6–12 pcs, Delivery Time is 7–15 Days, Warranty is 12 months and Packaging is Neutral / Customized. Mixed-division orders should use asset-specific inner labels and packing-list lines. A common outer pallet is efficient, but it should not erase whether a carton was approved for an excavator, grader or compactor.

At receipt, confirm the engraving and allocated machine before inspecting the electrical connection, oil and fuel interfaces, caps and sealing surfaces. Preserve injector-specific information through workshop release. Another 387-943x C9 unit requires its own number trail and should not enter this line from visual similarity.


387-9433 Heavy-Duty Injector Purchasing Information

Purchasing Item Verified Detail
Complete injector reference 387-9433
Brand / system Caterpillar; HEUI complete injector
Engine direction CAT C9
Application direction 330C, 336D and other source-confirmed C9 equipment
Nozzle / configuration checkpoint 387-9433 / 10R-7222 C9 configuration
OE and cross references 10R-7222; 254-4339; 293-4072; 328-2574; 557-7633
Primary purchasing control broad C9 machine-list serial verification
Commercial terms MOQ 6–12 pcs; Delivery 7–15 Days; Warranty 12 months; Neutral / Customized Packaging


387-9433 OE and Service Number Matching

Reference Procurement Use
387-9433 Primary complete-injector identity used for the quotation and physical marking check.
10R-7222 OE/cross reference retained with the 387-9433 application approval; verify its exact role before substitution.
254-4339 Service trail retained with the 387-9433 application approval; verify its exact role before substitution.
293-4072 OE/cross reference retained with the 387-9433 application approval; verify its exact role before substitution.
328-2574 Service trail retained with the 387-9433 application approval; verify its exact role before substitution.
557-7633 OE/cross reference retained with the 387-9433 application approval; verify its exact role before substitution.
387-9433 / 10R-7222 C9 configuration Technical consistency checkpoint only; it does not replace complete-injector identification.


387-9433 CAT C9 Application Review

Application Buyer Verification
CAT C9 Confirm the engine plate, serial or arrangement together with 387-9433.
330C, 336D and other source-confirmed C9 equipment Use the exact machine or vehicle record; do not expand fitment from a general model family.
an equipment group supporting excavators, graders, compactors and scrapers Preserve the customer allocation through labeling, receiving and workshop release.
Installation release Confirm the current equipment configuration before installation; follow the official service procedure for the confirmed application.


Heavy-Duty Diesel Fuel Injector Product Video

For an equipment group supporting excavators, graders, compactors and scrapers, this video provides a general view of Elecdura heavy-duty diesel injector presentation and bulk supply. It does not depict a 387-9433-specific test, calibration result, installation or performance claim.


387-9433 broad C9 machine-list serial verification FAQ | B2B Buyer FAQ

What information should start a 387-9433 wholesale enquiry?

Send the full 387-9433 marking, 10R-7222, the engine or machine serial, an image of the removed injector and the required quantity. State whether each reference came from the physical unit, a dealer parts record or an earlier invoice. That source distinction is important for broad C9 machine-list serial verification and prevents a purchasing alias from being mistaken for the exact marking that must arrive.

Why is broad C9 machine-list serial verification essential for 387-9433?

The risk is specific: official compatibility spans several C9 machine classes, so a short 330C or 336D label cannot establish every arrangement. A written reconciliation makes the buyer approve the relationship between the requested number, the offered complete injector and CAT C9. It also gives receiving staff a clear stop condition when a familiar-looking unit carries an unexpected reference or is routed toward the wrong equipment group.

How should 387-9433 / 10R-7222 C9 configuration be used when checking 387-9433?

Treat this information as a configuration checkpoint beside the complete 387-9433 identity, not as a substitute for it. The buyer also compares connector form, ports, body marking and the verified engine record. A matching nozzle or internal description cannot by itself prove housing, control characteristics, correction data or application compatibility.

Which application details reduce a wrong 387-9433 shipment?

For 330C, 336D and other source-confirmed C9 equipment, collect the exact model, engine designation, serial or arrangement and any regional or emissions information shown in the service file. Add the old injector marking and its physical photos. These details narrow a broad CAT C9 description to the actual machine and keep application tables from being read as universal fitment promises.

Can every 10R-7222 reference be accepted automatically for 387-9433?

No. Cross references support comparison, but the role of each number must be confirmed for the customer's engine and market. If the requested and offered markings differ, both are written on the quotation and approved before dispatch. Final acceptance still depends on broad C9 machine-list serial verification, the removed assembly and the complete physical configuration.

How should a 6–12 piece 387-9433 order be received?

Count the cartons against the packing list, inspect each engraving and connector, check protective caps and sealing areas, and preserve unit-specific information. Teams should keep the machine class and serial beside 387-9433 when one shipment serves multiple operating divisions. A unit that introduces another engine statement or an unapproved service number is isolated before the shipment is divided among branches or work orders.

What should the workshop document when fitting 387-9433?

Technicians should confirm the current equipment configuration before installation. Cleanliness, sealing-part replacement, high-pressure connection handling and any coding or correction procedure must follow the official instructions for the confirmed application. Values from an old or neighboring injector are not copied merely to make a mismatched unit appear usable.

Does the product video prove 387-9433 fitment or performance?

No. The embedded video is a general Elecdura heavy-duty diesel injector and bulk-supply presentation. It is not a flow report, calibration certificate, installation demonstration or engine test for 387-9433. Product approval depends on the number trail, broad C9 machine-list serial verification, the verified product image and the documents agreed for this specific order.

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