Restore emissions performance with the Skyline aftermarket PACCAR 1837300 DOC Inlet Module. This direct-fit replacement for PACCAR 1837300, 1837300PE, 1837300PEX, and A029C833 is built to meet or exceed OEM specifications for PACCAR MX / MX-13 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 EPA10 PACCAR MX-13 applications, including Kenworth and Peterbilt trucks equipped with PACCAR MX engines. Common applications may include Kenworth T660, T680, T800, W900 and Peterbilt 386, 388, 389, and 579 models.
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 2013
PACCAR: MX / MX-13
EPA10 PACCAR MX aftertreatment applications
Common Vehicle Applications
Kenworth: T660, T680, T800, W900
Peterbilt: 386, 388, 389, 579
Select PACCAR-powered vocational and Class 8 chassis equipped with PACCAR MX-13 engines
Cross-References for PACCAR 1837300 DOC
Manufacturer
Part Numbers
PACCAR
1837300, 1837300PE, 1837300PEX, A029C833
Skyline
XN0631, XN0631-M, XN0631-C
Roadwarrior
C01157-ID
GESi
GESi-547
DuraFit
C20-0048
Dinex
58041
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.
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.
Warranty Information
Skyline Emissions, Inc., offers a 3-year, unlimited mileage warranty on all their DPFs and DOCs.