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320-0680 Diesel Injector for CAT Perkins C4.4 C6.6

320-0680 is the Caterpillar-format purchasing key for the common-rail injector group led in Perkins records by 2645A747. With 10R-7672, 292-3780 and 306-9380 also reported, CAT dealers and equipment fleets should confirm duty, machine PIN, engine serial and the number expected on delivery.
  • 320-0680

  • Elecdurauto

  • 320-0680

  • 320-0680; 2645A747; 10R-7672; 292-3780; 306-9380; 2645A718; 2645A734

  • Elecdurauto

  • IATF 16949 / ISO 9001 / CE / RoHS

  • 6–12 pcs

  • 7–15 Days

  • Neutral / Customized Packaging

  • 12 months

  • 320-0680; 2645A747; 10R-7672; 292-3780; 306-9380

  • CAT/Perkins C4.4 and C6.6 mobile/industrial equipment

  • Selected CAT/Perkins excavators, compactors, handlers, backhoes, pavers and generator sets; exact PIN/build required

Availability:
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320-0680 Diesel Injector for CAT Perkins C4.4 C6.6 Product Description

320-0680 is presented separately because many CAT equipment buyers never search by the Perkins number. Their work orders, machine records and warehouse bins start with 320-0680, while suppliers may quote 2645A747. The number pairing connects those systems without hiding the distinction. It also warns against nearby 320-0677 and 320-0690 references, which can appear plausible when a request contains only C6.6.

The application universe covers wheeled excavators, compactors, telehandlers, backhoe loaders, pavers, generator sets and other C4.4/C6.6 equipment. Such breadth demands an engine-build check. Machine PIN, engine serial, arrangement, old unit and correction-data expectations should be attached before the supplier reserves stock or prints customer-specific labels.


320-0680 Diesel Injector B2B Supply and OE Matching

CAT fleet buyers should lead with 320-0680 and add 2645A747 plus any 10R-7672 history. If a branch reports 292-3780 or 306-9380, preserve the source and ask for the installed marking. Multi-site purchases benefit from a unit allocation sheet that ties each carton to an engine or confirmed equipment group.

Orders are based on 6–12 pieces, 7–15 day estimated delivery and a 12-month warranty. Packaging can be neutral or customized after the identity and label hierarchy are approved. Stock and dispatch are confirmed in the formal quotation.

For regional CAT fleets, 320-0680 inventory should be governed by both part identity and assignment status. Unassigned reserve stock can carry the confirmed cross-number group, while job-specific cartons should add the machine PIN or internal work order. If equipment is transferred between branches, the injector should be rechecked against the receiving engine rather than moved solely by C4.4/C6.6 label. This small control improves traceability, reduces similar-number picking and supports cleaner warranty documentation when the same procurement team serves several operating sites.

A final dispatch review should compare the packing allocation with approved engine groups, preventing correctly numbered stock from being routed to an unverified site.


320-0680 Diesel Injector Product Information

Purchasing Item Verified Detail
CAT Lead 320-0680
Perkins Match 2645A747
Service Reference 10R-7672
Replacement Trail 292-3780 / 306-9380
Engine Family C4.4 / C6.6
Procurement check Duty class, PIN, engine build, old unit and supplied code


320-0680 Diesel Injector Cross Reference Numbers

Reference Procurement Use
320-0680 Primary Caterpillar-format number
2645A747 Perkins matching identity
10R-7672 Service/reman number
292-3780 / 306-9380 Reported replacement numbers
320-0677 / 320-0690 Neighboring reference groups; reject number-only substitution


320-0680 Diesel Injector Applications and Engine Matching

Application Buyer Verification
Wheeled excavators / handlers Confirm model suffix and engine build
Compactors / pavers / backhoes Use PIN and original injector
C4.4/C6.6 generator sets Approve from engine serial and parts list


Heavy-Duty Diesel Fuel Injector Product Video

The video provides a general category view for wholesale buyers. It is not a 320-0680 serial-specific fitment test, CAT/Perkins coding tutorial and does not confirm every equipment class listed here.


320-0680 Diesel Injector B2B Buyer FAQ

Why should 320-0680 lead a CAT-numbered RFQ?

This injector serves CAT-number-led procurement, where the machine parts record and stock system use 320-0680. The paired Perkins number remains visible for technical matching. Perkins distributors may lead an RFQ with 2645A747, while CAT dealers and fleets may lead with 320-0680; both numbers should remain visible for technical confirmation.

Which neighboring Caterpillar numbers require extra care?

320-0677 and 320-0690 are visually close and appear in related C6.6 families. Check the full number and paired Perkins reference before quoting or picking. Engine family alone cannot separate them, and the product photograph is not a valid deciding factor for internal configuration or application.

Can 10R-7672 be used as the only order number?

It can start the inquiry, but the buyer should clarify condition and the underlying 320-0680/2645A747 identity. Ask whether a core program applies, what number will be delivered and what correction data accompanies it. This prevents a service history from being mistaken for a complete technical and commercial specification.

What information is needed for mixed equipment classes?

Provide machine PINs, engine serials, build or arrangement data, duty descriptions and old injector numbers for each group. Do not send one generic list labeled C4.4/C6.6. The supplier can prepare a line-by-line applicability schedule and receiving labels, reducing the risk that a correct injector is issued to the wrong machine.

How should 292-3780 or 306-9380 appear in the file?

Record each as a replacement-history reference with its source, such as an invoice, parts book or old carton. Keep the current offered number separate. This gives future buyers a traceable chain and prevents warehouse staff from renaming all units to an older number that may not appear on the supplied injector.

Does the product photo confirm connector compatibility?

It offers a supplier-approved visual reference but cannot establish connector keying, internal calibration or engine-specific fitment. Request close photographs of the removed connector and body. Receiving should compare those details with the delivered unit and stop the release if a visible difference conflicts with the approved record.

What should be printed on customized packaging?

Use 320-0680 as the primary CAT number, add the confirmed 2645A747 match and show condition plus customer purchase-order line. Service and legacy references can appear in a secondary field. This hierarchy helps branch staff search multiple systems without treating every number as an independent physical variant.

Which checks close the order after receipt?

Verify quantity, carton and body identity, connector, supplied correction data and allocation to the correct engine list. The workshop follows the applicable cleanliness, sealing and commissioning procedure and records results. A discrepancy should be quarantined before installation so the warranty trail and equipment availability are not compromised.

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