Product Overview
Cummins 4969771 4969770 ISL-G DOC Filter
Interchange References: 4969771, 4969770, 4969771NX, 4969771RX, 4969770NX, 4969770RX, Q621799, GESi-601, Dinex 85045, Roadwarrior C0101-ID
Restore emissions performance with this premium aftermarket Cummins 4969771 / 4969770 ISL-G DOC Filter. This direct-fit Diesel Oxidation Catalyst is engineered for select Cummins ISL-G EPA07 emissions applications and replaces OEM part numbers 4969771, 4969771NX, 4969771RX, 4969770, 4969770NX, 4969770RX, and Q621799. Manufactured by Global Emission Systems in North America, this stainless steel DOC carries zero core charge, includes the listed installation gaskets and clamps where applicable, is backed by a 3-year unlimited mileage warranty, and ships with free two-day ground shipping to the continental United States and Canada.
Cummins 4969771 4969770 DOC Cross Reference Table
Instant Fitment Verification: This Cummins ISL-G Diesel Oxidation Catalyst replaces components stamped with housing part numbers, casting codes, or manufacturing tags matching any of the interchangeable OEM or aftermarket references listed below:
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| Cummins OEM | 4969771, 4969770, 4969771NX, 4969771RX, 4969770NX, 4969770RX, Q621799 |
| Global Emission Systems / GESi | GESi-601 |
| Dinex | 85045 |
| Roadwarrior | C0101-ID |
Cummins ISL-G DOC Fitment Guide
This Cummins DOC is designed for select Cummins ISL-G natural gas engine applications using EPA07 emissions systems. Always verify exact compatibility using your vehicle's VIN number or original stamped OEM part number on the unit before placing an order.
- Engine Fitment: Cummins ISL-G
- Emissions Standard: EPA07
- Common Applications: Select transit bus, refuse, vocational, and regional delivery applications using the matching Cummins ISL-G DOC assembly.
- Compatible OEM Numbers: 4969771, 4969770, 4969771NX, 4969771RX, 4969770NX, 4969770RX, Q621799
- Aftermarket Cross References: GESi-601, Dinex 85045, Roadwarrior C0101-ID
Choose Your Kit Configuration
Select the setup from the product options above that best fits your shop's needs:
- Full Kit (Best Value): Includes (1) brand-new DOC, (2) 2871452 OEM-quality flange gaskets, and (2) 2871862 heavy-duty clamps.
- DOC Only: Includes one (1) DOC only. Service gaskets and mounting clamps are not included.
Cummins 4969771 4969770 DOC Technical Specifications
| Measurement Parameter | Specification Value |
|---|---|
| Product Type | Cummins Diesel Oxidation Catalyst (DOC) |
| Primary OEM Part Numbers | 4969771, 4969770 |
| Additional OEM Cross References | 4969771NX, 4969771RX, 4969770NX, 4969770RX, Q621799 |
| Manufacturer | Global Emission Systems |
| Manufacturer Part Number | GESi-601 |
| Engine Fitment | Cummins ISL-G |
| Material Base Construction | Premium Stainless Steel |
| Net Assembly Weight | 34.84 lbs (15.82 kg) |
| Overall Length | 7.93 inches (201.42 mm) |
| Outer Body Diameter / Width | 11.67 inches (296.50 mm) |
| Component Height Dimension | 11.67 inches (296.50 mm) |
| Exhaust Emissions Norm | EPA07 Compliant |
Cummins 4969771 4969770 DOC Key Features
- Direct-Fit Cummins ISL-G DOC: Replaces Cummins DOC part numbers 4969771, 4969770, 4969771NX, 4969771RX, 4969770NX, 4969770RX, and Q621799.
- Made in North America: Manufactured by Global Emission Systems for heavy-duty emissions applications.
- EPA07 Compliant: Designed for EPA07 Cummins ISL-G emissions systems.
- No Core Charge: Brand-new component with no dirty core return, core tracking paperwork, or return freight expense.
- Stainless Steel Construction: Built with stainless steel material for long-term durability in heavy-duty exhaust systems.
- Available Full Kit: Full Kit option includes (2) 2871452 gaskets and (2) 2871862 clamps.
- Fast Free Shipping: Free two-day ground shipping to the continental United States and Canada.
- Warranty Protection: Backed by a 3-year unlimited mileage warranty.
Signs Your Cummins DOC Needs Replacement
- Frequent exhaust system regeneration issues or incomplete regeneration cycles.
- Diagnostic trouble codes related to catalyst efficiency, exhaust temperature performance, or emissions system performance.
- Reduced engine performance caused by exhaust aftertreatment restriction or poor catalyst function.
- Soot loading concerns in the downstream DPF caused by poor upstream DOC performance.
Multi-Warehouse Dispatch
Orders ship from regional fulfillment hubs to help provide fast delivery to your repair shop or location. Free two-day ground shipping is available to the continental United States and Canada.
Frequently Asked Questions
What Cummins DOC part numbers does this unit replace?
This DOC replaces Cummins part numbers 4969771, 4969770, 4969771NX, 4969771RX, 4969770NX, 4969770RX, and Q621799.
What engine does this Cummins DOC fit?
Based on the supplied fitment data, this DOC fits select Cummins ISL-G applications using EPA07 emissions systems. Always confirm compatibility using your VIN number or the original stamped OEM part number on the unit.
Is there a core charge for this aftermarket DOC?
No. This is a brand-new aftermarket DOC with no core charge, no dirty core return, and no return freight expense.
Does this DOC come with clamps and gaskets?
The Full Kit option includes (2) 2871452 gaskets and (2) 2871862 clamps. The DOC Only option includes one DOC only and does not include gaskets or clamps.
Can this DOC ship to California?
No. This product cannot be sold or shipped to California.
*Note: Always verify exact compatibility using your vehicle's VIN number or original stamped OEM part number on the unit before placing an order.
Disclaimer: Product images are for reference only. Price is for one (1) physical DOC unit. Included hardware is listed above where applicable.