Dayco DP1427 Engine Water Pump

Engine Water Pump Overview

Dayco DP1427 is an engine water pump for heavy-duty cooling system service. It is listed for a wide range of Freightliner, Western Star, Sterling Truck, and other commercial applications that use a non-suitcase style pump.

Compatible with applications such as Freightliner Columbia, Freightliner Cascadia, and Western Star 4900SA, this pump supports cooling system repair on trucks and vocational equipment that rely on consistent coolant circulation. Part number DP1427 is also referenced for several heavy-duty chassis and specialty vehicles.

Key Features

• Engine water pump for heavy-duty cooling system applications
• Non-suitcase style pump design
• Broad fitment across commercial truck and vocational platforms
• Listed for Freightliner, Western Star, Sterling Truck, Pierce, and related applications
• Dayco part number DP1427 for direct catalog identification

Fitment Details

Fits 2013-2019 Terex / Terex Advance Terex Advance Mixer, N/A.

Fits 2002-2017 Western Star 4900SA, N/A.

Fits 2014-2015 Freightliner Argosy, N/A.

Fits 2008-2012 Freightliner Argosy, N/A.

Fits 2006 Freightliner Argosy, N/A.

Fits 2000-2003 Freightliner Argosy, N/A.

Fits 2001-2015 Freightliner Columbia, N/A.

Fits 2008-2015 Western Star 4900EX, N/A.

Fits 2013-2014 Freightliner Cascadia, N/A.

Fits 2008-2011 Freightliner Cascadia, N/A.

Fits 2002-2014 Western Star 4900FA, N/A.

Fits 2008-2014 Western Star 6900XD, N/A.

Fits 2002-2011 Freightliner Century Class, N/A.

Fits 2008-2011 Freightliner Classic, N/A.

Fits 2005-2011 Freightliner FLD120SD, N/A.

Fits 2008-2011 Pierce Mfg. Inc. Velocity, N/A.

Fits 2003-2010 Freightliner FLD132, N/A.

Fits 2003-2010 Sterling Truck A9500, N/A.

Fits 2009-2010 Sterling Truck L9500, N/A.

Fits 2008-2009 Freightliner Classic XL, N/A.

Fits 2009 Sterling Truck Car Hauler, N/A.

Fits 2009 Van Hool C2045, N/A.

Fits 2004-2008 Roadmaster Rail S-Monocoque, N/A.

Fits 2008 Sterling Truck LT9500, N/A.

Fits 2006 Sterling Truck LT9500, N/A.

Fits 2007 Freightliner FLD120, N/A.

Fits 2001-2005 Freightliner FLD120, N/A.

Fits 2007 Pierce Mfg. Inc. Saber, N/A.

Fits 2006 Freightliner M2 106, N/A.

Fits 2003 Freightliner Coronado, N/A.

Fits 2003 Spartan Motors Gladiator, N/A.

Fits 2001 Sterling Truck AT9500, N/A.

Fits 2001 Sterling Truck ST9500, N/A.

Common Repair Uses

• Coolant circulation problems caused by a worn pump
• Overheating from reduced coolant flow
• Leakage at the water pump housing or seal area
• Noise or bearing wear from a failing pump assembly
• Cooling system service on heavy-duty trucks and vocational vehicles

Installation Notes

Verify the existing pump style before ordering, since this listing is for a non-suitcase style pump. Confirm the vehicle application against the catalog fitment data and inspect the cooling system for related wear before installation.

Quality Assurance

Dayco supplies cooling system components for demanding commercial applications, and part number DP1427 is cataloged for a broad range of heavy-duty platforms. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.