Product Overview
Restore exhaust filtration performance with this premium Skyline aftermarket Paccar Q621386 Diesel Particulate Filter (DPF) Replacement. This brand-new unit serves as a direct alternative to OEM numbers Q621386 and A064B948. Engineered as an exact-fit replacement for heavy-duty systems running Paccar PX-6 engine platforms, it requires no exhaust system modifications for installation, carries zero core charge, and ships free within the continental United States.
Paccar Q621386 Cross Reference
How to Verify Your Unit: This direct-fit catalyst replaces components stamped with housing, casting, or manufacturing tags matching any of the interchangeable assembly numbers or supplier cross-references listed below:
| Manufacturer / Program | Cross Reference Part Numbers |
|---|---|
| Cummins Paccar / Paccar | Q621386, A064B948 |
| Skyline Aftermarket | BG1101, BG1101-M, BG1101-C |
| Roadwarrior | C0023-SA |
| DuraFit | C17-0029 |
| GESi | GESi-0018 |
| Dinex | 58007, 58007-NCG |
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) DPF, (2) 2871451 gaskets, and (2) 2871861 clamps.
- DPF Only: Includes the DPF filter only. No gaskets or clamps included.
Key Features & Specifications
- Built in the USA: Designed, engineered, and manufactured in America.
- No Core Charge: Brand-new unit with no core return required; eliminates the hassle and downtime of shipping a dirty core back.
- Exact-Fit™ Technical Dimensions: Engineered with OEM-matching inlet/outlet diameters, pre-machined sensor ports, and factory-spec hanger alignments for direct exhaust installation.
- Substrate Performance Matrix: Advanced flow-through core utilizes optimized precious metal washcoat loading to maintain optimal exhaust temperatures and long-term emission control.
- Warranty: Backed by a 3-year unlimited mileage warranty on all Skyline aftermarket solutions.
- EPA Compliant: Meets federal emissions standards for applicable particulate matter reduction requirements.
- Fast Free Shipping: Free ground shipping within the continental United States.
- Direct Fit Design: Installs like OEM with no modifications required.
Vehicle & Engine Application Guide
Fits approximately 2007 to 2009 commercial vehicles equipped with heavy-duty diesel powertrains. Optimized for EPA07 / EPA10-style PACCAR PX-6 aftertreatment applications. Engine platforms include:
- Engine Platforms: PACCAR PX-6 and PACCAR PX6
- Chassis Fitments: This module fits standard commercial trucks, regional delivery units, and commercial or school bus fleets. Compatible chassis configurations include:
- Kenworth: Medium-duty trucks equipped with PACCAR PX-6 engines.
- Peterbilt: Medium-duty trucks equipped with PACCAR PX-6 engines.
Signs Your Paccar DPF Needs Replacement
- Frequent, unprompted, or incomplete DPF regeneration cycles
- Excessive particulate soot loading or exhaust face-plugging at the inlet module catalyst face
- Active dashboard diagnostic trouble codes (DTCs) signaling low catalyst efficiency levels
- Unexplained commercial engine backpressure increases or gradual exhaust system power loss
*Note: Verify fitment by VIN, engine serial number, dealer quote, service records, or existing part number before ordering.
Disclaimer: Product images are for reference only. Final components (filter, gaskets, clamps, sensor port locations) depend on the selected configuration. Price is for (1) DPF only.
