Confirmed context
Reviewed catalogues and the operator-supplied application associate this reference with the platform listed below.
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Part-number sourcing · Cummins reference
Cummins 4377822 Aftertreatment Device
Quick answer: OEM 4377822 is an aftertreatment device listed under Cummins. Confirm the engine model, CPL and the original device configuration before quotation.
- Reference
- 4377822
- Product type
- Aftertreatment device
- Catalogue description
- Aftertreatment device
- Platform context
- Cummins engine application (confirm CPL)
Catalogue association reviewed. Send the engine or gearbox numbers, the original part markings and photographs of the removed unit for final compatibility verification before quotation.
View Packaging & Export Guide
OEM & Reference Number Matching
Scroll horizontally to read catalog relationships and buyer guidance →
| Reference | Catalog / Brand Source | Relationship | Buyer Guidance |
|---|---|---|---|
| 4377822 | Cummins reference context | Primary reference for this aftertreatment device | Send this reference with the engine model and CPL. |
| 4999796 | Supplier catalogue cross-reference | Listed as an aftertreatment muffler reference | Confirm the device type and sensor ports before substitution. |
Shared catalog references should be verified against the engine or gearbox numbers, the original part markings and the removed unit before substitution.
Compatibility & Identification
Verify before substitution
Match the offered part to the removed unit by reference, position and measured dimensions.
Information needed before order
- Engine or gearbox model and number
- Old-part markings and photographs
- Key dimensions for this part type
- Quantity and destination
| Application context | Buyer guidance |
|---|---|
| Cummins engine application | Confirm the engine model, CPL and emissions configuration. |
| Aftertreatment device | Confirm inlet/outlet orientation, sensor ports and mounting. |
Confirm the reference and position—not only the model family
Transmission and engine components are position- and configuration-specific. Match the complete old-part reference and position with the engine or gearbox data before substitution.
By reference
Match the full old-part number, including any prefixes or spaces, against the catalogue evidence.
By position
Confirm where the component sits in the gear train, housing or engine assembly before quoting.
By dimensions
Confirm the measured diameter, length, tooth count or mounting pattern against the removed part.
Verification workflow
- Record the complete engine or gearbox number and exact model.
- Photograph the old part from several angles and record all markings.
- Record every reference exactly, including spaces and prefixes.
- Measure the key dimensions for this part type.
- Resolve any configuration question before order confirmation.
Quality & Inspection
Available checks, photos, measurements and documents are confirmed with the quotation.
View inspection requirements
Inspection requirements to request
- Part-number and visible-marking confirmation
- Visible-condition and quantity check
- Selected dimensional checks when target measurements are supplied
- Packaging and packing-list review
Include requirements with the enquiry.
Send any target measurements, photo angles, inspection needs and document requirements for confirmation in the quotation.
Ordering & Export
Packaging
Packaging method, labeling, grouping, export documents and receiving requirements are confirmed with the quotation.
Shipping
Provide the destination country and preferred transport mode for quotation.
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Cummins Engine Parts Hub
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Browse existing product records by reference.
Browse the product categoryProcurement FAQ
How do I confirm the aftertreatment device?
Send the engine model, CPL and photos of the original device, including every sensor port and the inlet/outlet orientation.
Is 4377822 a DPF or an SCR unit?
The catalogue description is a general aftertreatment device. Confirm the exact function and emissions configuration in the quotation before ordering.
Can I replace it with a different aftertreatment unit?
Only with the correct engine and emissions configuration. Substituting a different device can trigger fault codes and defeat emissions compliance.
What is needed for an export quotation?
Provide the destination country, required quantity and preferred transport mode. Packaging and document requirements are confirmed with the quotation.
Final RFQ
Request a Quote for Aftertreatment Device 4377822
Send the matching and order details together so compatibility and quotation requirements can be reviewed efficiently.
