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You are here: Home » Products » Fuel System & Turbo » Diesel Fuel Injector » Caterpillar Diesel Injectors » 320-4740 Diesel Injector for CAT 315D 318D 319D C4.2

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320-4740 Diesel Injector for CAT 315D 318D 319D C4.2

The confirmed specification controls this product as 320-4740 for CAT 315D, 318D and 319D C4.2 sourcing. Public pages frequently publish the similar 326-4740 number with 32E61-00022 and 10R-7676, so buyers must preserve the specified number and confirm the old injector stamping before any cross-reference is accepted.
  • 320-4740

  • Elecdurauto

  • 320-4740

  • 320-4740; public comparison 326-4740; 32E61-00022; 10R-7676

  • Elecdurauto

  • IATF 16949 / ISO 9001 / CE / RoHS

  • 6–12 pcs

  • 7–15 Days

  • Neutral / Customized Packaging

  • 12 months

  • 320-4740 (specification); 326-4740 / 32E61-00022 / 10R-7676 require verification

  • CAT 315D, 318D and 319D; C4.2 engine programs

  • specified 315D/318D/319D C4.2 service; exact stamped number and machine serial required

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320-4740 Diesel Injector for CAT 315D 318D 319D C4.2 Product Description

This product has a deliberate number-conflict check. 320-4740 is the requested number, while 326-4740 is a similar reference frequently associated with C4.2 machines. The cross-reference information is useful because it supports 315D, 318D and 319D context, but it cannot silently repair or replace the specification identity. The quotation must show 320-4740 as requested and flag the 326 variant for confirmation against the removed unit.

Digit transposition is a high-cost warehouse risk because both numbers look plausible and external tables add 32E61-00022 or 10R-7676. Purchasing staff should photograph the complete stamping, not copy a handwritten work order. If the installed body shows 326-4740, the supplier should document that discrepancy and obtain approval before supplying a product under the requested 320-4740 line.


320-4740 Diesel Injector B2B Supply and OE Matching

For a machine-down inquiry, speed should not remove the identity check. Send the 315D, 318D or 319D model, product identification number, engine serial, arrangement and old injector images. A distributor can then preserve the 320/326 distinction in its quotation and tell the customer exactly which reference was technically accepted.

The wholesale offer uses a 6–12 piece minimum, 7–15 day estimated delivery and 12-month warranty. Neutral or customized cartons can carry the confirmed number and customer code. Availability remains quotation-specific; no external stock indicator is adopted.

A useful supplier response to the 320/326 conflict is written confirmation rather than an unapproved number substitution. It should identify the specified number, the marking expected on the delivered unit, the related C4.2 application and any cross-number relied upon. The buyer can then approve the commercial line with full visibility. This approach is particularly valuable for international orders, where the receiving warehouse may not have access to the original conversation and could otherwise reject or mislabel a correctly reviewed shipment.


320-4740 Diesel Injector Product Information

Purchasing Item Verified Detail
specified number 320-4740
Number to Verify 326-4740 appears widely and requires explicit review
Engine CAT C4.2
Equipment 315D / 318D / 319D
Reported Cross Numbers 32E61-00022 / 10R-7676
Release check Readable old-unit stamping plus machine and engine serial data


320-4740 Diesel Injector Cross Reference Numbers

Reference Procurement Use
320-4740 confirmed specification controlling reference
326-4740 frequently encountered similar number; conflict, not automatic correction
32E61-00022 Reported supporting reference
10R-7676 Reported service/reman reference
326-4700 Different C6.4 group; reject visual substitution


320-4740 Diesel Injector Applications and Engine Matching

Application Buyer Verification
CAT 315D C4.2 candidate; confirm PIN and body mark
CAT 318D Check engine arrangement and exact number
CAT 319D Verify suffix/serial range before release


Heavy-Duty Diesel Fuel Injector Product Video

The general injector video does not confirm that 320-4740 and 326-4740 are interchangeable. It contains no machine serial validation, calibration result or C4.2 installation instruction for this line.


320-4740 Diesel Injector B2B Buyer FAQ

Why does this injector keep 320-4740 when many sites show 326-4740?

Keep 320-4740 as the requested number and treat 326-4740 as a separate cross-reference check. Final approval requires a readable old-unit stamping, C4.2 engine details and written confirmation of the number that will appear on the supplied injector. Repeat the approved number on the quotation, packing list and receiving label.

How should a buyer write the RFQ when only 326-4740 is visible?

State 326-4740 exactly as it appears on the removed unit and attach clear photographs. Keep 320-4740 as the requested line and ask the quotation team to confirm whether the two numbers apply to the same C4.2 configuration before any substitution is accepted. The supplier should repeat the approved number on the quotation and packing list for receiving control.

Are 32E61-00022 and 10R-7676 enough to resolve the conflict?

They are useful supporting references, but not enough on their own. A service number can span condition or supersession history, and a stamping can be copied incorrectly. Combine them with the engine serial, arrangement, machine PIN, connector view and complete old body. The accepted supply identity should be written back to the purchase order.

Can 315D, 318D or 319D confirm fitment without engine data?

No. Equipment names narrow the search but do not describe every production build or replacement history. Ask for the C4.2 engine record and arrangement. A machine may have undergone engine work, and a neighboring injector can share a general body shape. Model-name-only approval is therefore unsuitable for a wholesale shipment.

What warehouse control prevents number transposition?

Use barcode or second-person verification against a label that shows the entire hyphenated number. Store 320-4740 and any 326-4740 inventory in separate locations and include the cross-reference decision on the pick note. Thumbnail images should be secondary because the visual asset cannot expose one changed digit or internal specification.

What happens if the removed injector cannot be read?

Do not invent the missing number. Gather the machine PIN, engine serial, arrangement, historical invoices and clear photographs of connector and mounting features. Submit the case as unresolved until a technical source confirms the identity. A rapid but unsupported choice creates greater downtime if the injector is installed and later found incompatible.

Does customized packaging resolve the reference discrepancy?

No. Packaging is applied after technical approval and can reflect the confirmed customer label. It must not be used to make an uncertain 320/326 decision appear settled. The carton, inner label and invoice should all use the same approved identity so receiving staff can trace the resolution without reopening the technical review file.

Which post-delivery checks are appropriate?

Receiving teams should inspect the number, connector, sealing areas and supplied documentation before issuing stock. The workshop must follow C4.2 cleanliness, installation and commissioning requirements. If the physical label differs from the approved 320-4740 decision, quarantine the shipment and request clarification rather than relying on the equipment application alone.

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