Restore commercial fleet emissions performance with this premium Skyline aftermarket Cummins 2888250 / A030W859 / A029L164 / 2871496 DOC Inlet Module Replacement. Also acting as a high-efficiency direct-fit DOC filter alternative, this brand-new flow-through catalyst module serves as a direct counter-part to OEM cross-references 2888250, A030W859, A029L164, 2871496, 2880317, Q629377, 2888250NX, and 2888250RX. Engineered for exact physical proximity within heavy-duty commercial vehicles, it installs cleanly with no exhaust system modifications, carries zero core charge, and ships free within the continental United States.

Cummins 2888250 Cross Reference

How to Verify Your Unit: This direct-fit replacement replaces components stamped with housing numbers, casting codes, or tag profiles matching any of the interchangeable manufacturing references listed below:

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 Component, (1) installation gasket (2871453), (1) installation gasket (2866337), (1) heavy-duty clamp (2871863), and (1) heavy-duty clamp (2880483).
• Component Only: Includes core unit only. Hardware items excluded.

Key Features & Specifications for Part 2888250 / A030W859

• Proudly Built in the USA: Designed, engineered, and manufactured in America.
• No Core Charge: Brand-new aftermarket component; completely eliminates dirty core tracking and return hassles.
• Exact-Fit™ Technical Dimensions: Built with matching inlet/outlet outer diameters, pre-machined sensor ports, and specialized body hanger brackets for zero exhaust system modifications.
• Substrate Performance Matrix: Advanced flow-through catalyst core uses verified washcoat metal loading to sustain exhaust temperature control and lower backpressure limits.
• Industry-Leading Warranty: Backed by an extensive 3-year unlimited mileage coverage matrix.
• EPA Compliant: Meets federal emissions standards for legal installation nationwide.
• Fast Free Shipping: Free ground freight within the continental United States. Orders confirmed before 2:00 PM Eastern ship out the same business day.

Cummins Vehicle Fitment Guide

Direct alternative solution for approximately 2007 to 2009 model year commercial vehicles running heavy-duty Class 8 logistics, regional freight, motorcoach, and severe vocational architectures with horizontal chassis EPA07 exhaust configurations:

• Engine Platforms: Cummins ISX, Cummins QSX, and heavy-duty 15L commercial powertrain lines.
• Freightliner Applications: Premium line-haul and highway setups including Cascadia, Columbia, Century Class, and Coronado configurations.
• Kenworth Applications: Heavy over-the-road and vocational tractor lines including Kenworth T660, T800, W900, and C500 models tracking under core code 2888250.
• Peterbilt Applications: Aerodynamic logistics and traditional heavy conventional vehicle models including 367, 387, 388, and 389 frameworks matching code A030W859.
• International / Navistar Applications: Long-haul fleets and premium vocational series including ProStar, LoneStar, PayStar, 9400i, and 9900i platforms.
• Volvo Heavy Duty Trucks: Compatible with VNL 670 and VNL 780 over-the-road fleets running supported inline configurations.
• Western Star Applications: Severe duty vocational networks and heavy regional haul configurations running supported engine layouts.

Compatible OEM Master Assembly Numbers: 4969823

Signs Your Diesel Oxidation Catalyst (DOC) Needs Replacement

• Frequent, unprompted, or incomplete DPF regeneration cycles triggered by active trouble codes matching 2888250 / A030W859
• Excessive particulate soot face-plugging or heavy face mask scaling across the internal catalyst face assembly
• Active dashboard diagnostic trouble codes (DTCs) pointing directly to poor catalyst conversion efficiencies
• Unexplained commercial engine backpressure spikes or noticeable horsepower deterioration under loaded trailer pulls

*Note: Always verify exact vehicle compatibility using your vehicle's VIN number, emissions family descriptor tag, or the original stamped part number on your catalyst unit casing before placing an order.

Disclaimer: Product images for reference only. Hardware depends on configuration. Price is for (1) unit. Inventory levels are subject to local availability updates. Selecting the "Full Kit" option adds the explicitly listed installation components to your shipment.