PACCAR 1837303 1837303PE 1837303PEX DOC Inlet Module Replacement

Restore emissions performance with the Skyline aftermarket PACCAR 1837303PE DOC Inlet Module. This direct-fit replacement for PACCAR 1837303PE, 1837303, and 1837303PEX is built to meet or exceed OEM specifications for PACCAR MX-13, PACCAR MX-11, Cummins ISX, and Cummins ISX15 engines. Manufactured in the USA with an Exact-Fit™ design, this Diesel Oxidation Catalyst (DOC) Inlet Module provides reliable installation with no modifications required. This brand-new DOC has no core charge, includes a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States.

Fits select PACCAR MX-13, PACCAR MX-11, Cummins ISX, and Cummins ISX15 heavy-duty truck, vocational, motorcoach, and Class 8 chassis applications, including Kenworth, Peterbilt, and DAF trucks equipped with the correct aftertreatment system.

Choose the Setup That Fits Your Shop’s Needs

• Full Kit (Best Value): Includes (1) DOC, (1) 2871453 gasket, (1) 2866337 gasket, (1) 2871863 clamp, and (1) 2880483 clamp.
• DOC Only: Includes the DOC only. No gaskets or clamps included.

Engine Compatibility

• Approximate Model Years: 2010 to 2012
• PACCAR: MX-13 / MX-11
• Cummins: ISX / ISX15
• EPA10 PACCAR MX and Cummins ISX aftertreatment applications

Common Vehicle Applications

• Kenworth: T660, T680, T700, T800, T880, W900, C500
• Peterbilt: 567, 579, 587
• DAF: CF and XF Series
• Select vocational, motorcoach, and Class 8 chassis equipped with PACCAR MX-13, PACCAR MX-11, Cummins ISX, or Cummins ISX15 engines

Cross-References for PACCAR 1837303PE

Key Features

• Built in the USA: Proudly designed, engineered, and manufactured in America.
• Warranty: 3-year unlimited mileage warranty.
• Shipping: Free ground shipping within the continental USA. Overnight and expedited options available at checkout. Orders placed after 2:00 PM Eastern ship next business day.
• EPA Compliant: Meets federal emissions standards for particulate matter reduction requirements.
• No Core Charge: Brand-new DOC with no core return required.
• In Stock: We sell filters locally, which could affect real-time inventory. You will be contacted immediately if there are any availability issues.
• Direct Fit Design: Installs like OEM with no modifications required.

OEM Assembly Numbers: 2871543, 2871544, 2880342

Product images are for reference only. Final components such as the DOC, gaskets, clamps, and sensor port locations depend on the selected configuration. Price is for (1) DOC only.

California Shipping Notice: This product is EPA compliant but is NOT for sale in California and cannot be shipped to a California address.