Product Overview
Cummins PACCAR 5418478 4395106 Dinex 58327 DOC Filter
Interchange References: 5418478, 5418478NX, 5418478RX, 4395106, 4395106NX, 4395106RX, A056A967, 4394601, 4394601NX, 4394601RX, 4394876, 4394876NX, 4394876RX, 4395112, 4395112NX, 4395112RX, A055P601, A059N984, A059N985, 58327, C0375-ID, GESi-563, BJ0303, BJ0303-FSS, 2866636, 2871772, 2880482, 5272750
Restore exhaust aftertreatment performance with this premium aftermarket Cummins / PACCAR 5418478 / 4395106 / Dinex 58327 Diesel Oxidation Catalyst DOC. Manufactured by Dinex, this brand-new heavy-duty emission control unit is a direct-fit inlet DOC replacement for OEM part numbers 5418478, 4395106, A056A967, 4394601, 4394876, and 4395112. Engineered for Cummins B6.7, ISB, QSB, L9, and PACCAR PX-9 in-line exhaust aftertreatment systems, this unit comes complete with installation hardware, carries no core charge, is backed by a manufacturer warranty, and ships free within the continental United States.
Dinex 58327 Cross Reference Table
How to Verify Your Unit: Use the cross-reference table below to compare the original stamped OEM part number on your DOC canister, emissions tag, or catalyst housing with compatible OEM and aftermarket interchange numbers.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| Cummins / PACCAR OEM | 5418478, 5418478NX, 5418478RX, 4395106, 4395106NX, 4395106RX, A056A967, 4394601, 4394601NX, 4394601RX, 4394876, 4394876NX, 4394876RX, 4395112, 4395112NX, 4395112RX, A055P601, A059N984, A059N985 |
| Dinex | 58327 |
| Skyline | BJ0303 |
| FSS Emission Products | BJ0303-FSS |
| Roadwarrior | C0375-ID |
| Global Emission Systems (GESi) | GESi-563 |
Cummins PACCAR 5418478 4395106 DOC Fitment Guide
This Dinex inlet DOC is designed for in-line exhaust aftertreatment systems on select medium-duty and heavy-duty commercial vehicles configured with compatible EPA17 and EPA21 emissions architectures. Always verify exact compatibility using your vehicle's VIN number or original stamped OEM part number on the unit before ordering.
- Engine Platforms: Cummins ISB, QSB, B6.7, Cummins L9, and PACCAR PX-9 diesel engines.
- Approximate Emissions Era: EPA17 and EPA21 in-line aftertreatment systems, approximately 2017 to 2026 model years, depending on vehicle configuration.
- Configuration: Inlet DOC for horizontal and in-line commercial exhaust configurations.
- Compatible OEM Numbers: 5418478, 5418478NX, 5418478RX, 4395106, 4395106NX, 4395106RX, A056A967, 4394601, 4394876, 4395112
Included Installation Hardware
This Dinex unit includes all required installation hardware: one (1) mounting clamp (2880482), one (1) mounting clamp (5272750), one (1) installation gasket (2866636), and one (1) installation gasket (2871772) for a complete direct-fit installation.
Dinex 58327 Technical Specifications
| Measurement Parameter | Specification Value |
|---|---|
| Product Type | Diesel Oxidation Catalyst (DOC) |
| Primary OEM Part Numbers | 5418478, 4395106, A056A967 |
| Manufacturer | Dinex |
| Manufacturer Part Number | Dinex 58327 |
| Shipping Weight | 18.32 lbs (8.31 kg) |
| Overall Length | 12.59 inches (320.00 mm) |
| Outer Body / Canister Width | 12.59 inches (320.00 mm) |
| Canister Height | 7.55 inches (192.00 mm) |
| Exhaust Emission Norm | EPA21 Compliant (EPA17 / EPA21) |
Dinex 58327 Key Features
- Direct-Fit Dinex Replacement: Replaces Cummins 5418478, 4395106, A056A967, and related OEM DOC applications.
- Included Hardware: Comes complete with two mounting clamps (2880482, 5272750) and two installation gaskets (2866636, 2871772).
- No Core Charge: Brand-new aftermarket unit with no dirty core return, core tracking paperwork, or return freight expense.
- EPA21 Compliant: Engineered for supported Cummins B6.7, L9, and PACCAR PX-9 EPA17 and EPA21 commercial aftertreatment applications.
- High-Grade Construction: Built for durability and long service life in heavy-duty commercial exhaust environments.
- Free Shipping: Free ground shipping within the continental United States. Orders placed before 2:00 PM Eastern ship out the same business day when inventory is available.
- Warranty Protection: Backed by a reliable Dinex manufacturer warranty.
Signs Your Cummins PACCAR DOC Needs Replacement
- Frequent, unprompted, or incomplete downstream DPF regeneration cycles.
- Diagnostic trouble codes related to aftertreatment restriction, soot capacity, or catalyst temperature efficiency.
- Excessive soot accumulation or face-plugging across the internal catalyst core face.
- Increased exhaust backpressure or gradual horsepower loss under loaded operation.
- Physical cracking, melting, corrosion, or structural damage to the substrate or shell.
Multi-Warehouse Dispatch
Orders ship from regional fulfillment hubs to help provide fast delivery to your repair shop or fleet location.
*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. Each order includes one (1) physical DOC unit and the listed installation gaskets and clamps.
