Product Overview
Caterpillar 291-8519 20R-8020 294-8694 10R-6089 DPF Filter
Interchange References: Caterpillar 291-8519, 20R-8020, 294-8694, 10R-6089, Skyline CQ1704, FSS Emission Products CQ1704-FSS, DuraFit C17-0051, Roadwarrior C0012-SA, Global Emission Systems GESi-0039, Dinex 46003
Replace a worn or damaged Caterpillar 291-8519, 20R-8020, 294-8694, or 10R-6089 DPF Filter with this brand-new Skyline aftermarket Diesel Particulate Filter. This replacement is intended for select Caterpillar C13 and C15 diesel engine applications equipped with compatible EPA07 exhaust aftertreatment systems. The Full Kit includes two 278-5711 installation gaskets and two 278-5712 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 291-8519, 20R-8020, 294-8694, and 10R-6089 DPF filters cross-reference with Skyline CQ1704 and the additional aftermarket replacement numbers listed below.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| Caterpillar OEM | 291-8519, 2918519, 20R-8020, 20R8020, 294-8694, 2948694, 10R-6089, 10R6089 |
| Skyline | CQ1704 |
| FSS Emission Products | CQ1704-FSS |
| DuraFit | C17-0051 |
| Roadwarrior | C0012-SA |
| Global Emission Systems | GESi-0039 |
| Dinex | 46003 |
Caterpillar C13 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 C13 and C15 applications
- Approximate Model Years: Select 2007–2009 applications
- Emissions Standard: Select EPA07 exhaust aftertreatment applications
- Primary OEM Numbers: 291-8519, 20R-8020, 294-8694, and 10R-6089
- Full Kit Hardware: Two 278-5711 installation gaskets and two 278-5712 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) 278-5711 installation gaskets, and two (2) 278-5712 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 | 291-8519, 20R-8020, 294-8694, 10R-6089 |
| Manufacturer Part Number | Skyline CQ1704 |
| Engine Compatibility | Select Caterpillar C13 and C15 applications |
| Housing Material | Stainless steel |
| Weight | 81.36 lb (36.90 kg) |
| Length | 14.45 in (367.00 mm) |
| Width | 14.45 in (367.00 mm) |
| Height | 21.46 in (545.08 mm) |
| Full Kit Gaskets | Two 278-5711 installation gaskets |
| Full Kit Clamps | Two 278-5712 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 291-8519, 20R-8020, 294-8694, and 10R-6089 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 278-5711 installation gaskets, and two 278-5712 heavy-duty clamps. The DPF Only option includes one DPF only, with no installation gaskets or clamps included.
