Product Overview
Caterpillar 304-7579 10R-6082 304-7578 302-5204 DPF Filter
Interchange References: Caterpillar 304-7579, 10R-6082, 304-7578, 302-5204, Skyline CK1406, FSS Emission Products CK1406-FSS, DuraFit C17-0033
Replace a worn or damaged Caterpillar 304-7579, 10R-6082, 304-7578, or 302-5204 DPF Filter with this brand-new Skyline aftermarket Diesel Particulate Filter. This replacement is intended for select Caterpillar C7 and C15 diesel engine applications equipped with compatible EPA07 exhaust aftertreatment systems. The Full Kit includes two 279-3259 installation gaskets and two 279-3260 heavy-duty clamps. This DPF has no core charge, includes a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States.
Caterpillar DPF Cross References
Caterpillar 304-7579, 10R-6082, 304-7578, and 302-5204 DPF filters cross-reference with Skyline CK1406 and the additional aftermarket replacement numbers listed below.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| Caterpillar OEM | 304-7579, 3047579, 10R-6082, 10R6082, 304-7578, 3047578, 302-5204, 3025204 |
| Skyline | CK1406 |
| FSS Emission Products | CK1406-FSS |
| DuraFit | C17-0033 |
Caterpillar C7 C15 DPF Engine Compatibility
This Skyline DPF is intended for select Caterpillar-powered commercial applications equipped with compatible EPA07 exhaust aftertreatment systems. Exact compatibility varies by engine configuration, emissions family, model year, chassis, exhaust layout, aftertreatment assembly, and the original stamped DPF part number.
- Engine Platforms: Select Caterpillar C7 and C15 applications
- Approximate Model Years: Select 2007–2009 applications
- Emissions Standard: Select EPA07 exhaust aftertreatment applications
- Primary OEM Numbers: 304-7579, 10R-6082, 304-7578, and 302-5204
- Full Kit Hardware: Two 279-3259 installation gaskets and two 279-3260 heavy-duty clamps
Choose Your Kit Configuration
Select the configuration from the product options that best fits your installation needs.
- Full Kit (Best Value): Includes one (1) brand-new DPF unit, two (2) 279-3259 installation gaskets, and two (2) 279-3260 heavy-duty clamps
- DPF Only: Includes one (1) DPF only. Installation gaskets and clamps are not included
DPF Technical Specifications
| Measurement Parameter | Specification Value |
|---|---|
| Product Type | Diesel Particulate Filter |
| Common Search Terms | DPF, DPF Filter, Diesel Particulate Filter, Diesel Exhaust Filter |
| Primary OEM Part Numbers | 304-7579, 10R-6082, 304-7578, 302-5204 |
| Manufacturer Part Number | Skyline CK1406 |
| Engine Compatibility | Select Caterpillar C7 and C15 applications |
| Housing Material | Stainless steel |
| Full Kit Gaskets | Two 279-3259 installation gaskets |
| Full Kit Clamps | Two 279-3260 heavy-duty clamps |
| Core Condition | Brand-new aftermarket unit |
| Core Charge | No core charge |
| Warranty | 3-year unlimited mileage warranty |
| Emissions Standard | EPA07 compliant |
Key Features
- Replacement for Caterpillar 304-7579, 10R-6082, 304-7578, and 302-5204 applications
- Brand-new Skyline aftermarket DPF Diesel Particulate Filter
- Full Kit includes two installation gaskets and two heavy-duty clamps
- DPF Only configuration available without installation hardware
- No core charge or used filter return required
- Stainless steel housing construction
- EPA07 compliant for applicable federal emissions applications outside California
- Ships free within the continental United States
- Backed by a 3-year unlimited mileage warranty
Signs Your DPF May Need Inspection or Replacement
- Frequent, incomplete, or unsuccessful regeneration cycles
- Excessive soot loading, ash accumulation, or visible face plugging
- Abnormal DPF differential-pressure readings
- High exhaust backpressure
- DPF restriction, soot-capacity, or filter-efficiency diagnostic trouble codes
- Visible soot at the tailpipe that may indicate internal filter damage
- Reduced engine performance under load
- Cracking, melting, corrosion, or other physical filter damage
These symptoms may have multiple causes. Diagnose the complete engine and exhaust aftertreatment system before replacing the DPF.
*Note: Always verify exact compatibility using the equipment serial number, emissions-family label, aftertreatment assembly information, and the original stamped OEM part number on the DPF before ordering.
Disclaimer: Product images are for reference only. Each selected configuration includes one (1) physical DPF unit. The Full Kit option includes one DPF, two 279-3259 installation gaskets, and two 279-3260 heavy-duty clamps. The DPF Only option includes one DPF only, with no installation gaskets or clamps included.
