Heavy-duty trucks, buses and equipment subject the thermostat to constant vibration and long run times. This Gates heavy-duty thermostat is built from heavy-gauge brass and stainless steel with a temperature-sensitive heat motor for consistent valve response.

Gates 34148 Heavy-Duty Thermostat Features:

• 180 Degree F Opening Temperature
• Heavy-Gauge Brass and Stainless Steel Construction
• Factory Calibrated for Accurate Opening and Closing
• Temperature-Sensitive Heat Motor for Consistent Valve Response
• Application Options Apply on Some Vehicles, Check the Fitment Tab Before Ordering
• Sold Individually

Vehicle Applications:

• 2003 American LaFrance ALF Eagle 10.8L L6
• 2008-2011 American LaFrance Condor 10.8L L6
• 2006-2009 Autocar LLC. Xpeditor WX 10.8L L6
• 2006-2009 Autocar LLC. Xpeditor WXLL 10.8L L6
• 2006 Autocar LLC. Xpeditor WXR 10.8L L6
• 2009-2019 Autocar LLC. Xpeditor 8.9L L6, 10.8L L6, 11.9L
• 2006-2009 Crane Carrier Low Entry 10.8L L6
• 2002 Freightliner Argosy 10.8L L6
• 2009-2025 Freightliner Cascadia 11.9L, 14.9L L6
• 2009 Freightliner Columbia 10.8L L6
• 2009 Freightliner MT55 11.9L
• 2011-2016 Freightliner Coronado 14.9L L6
• 2014-2021 Freightliner 122SD 14.9L L6
• 2016-2025 Freightliner 114SD 8.9L L6, 11.9L
• 2005-2009 Gillig Low Floor 10.8L L6
• 1998-2003 International 2574 10.8L L6
• 1998-2003 International 2674 10.8L L6
• 1998-2000 International 5000 10.8L L6
• 1998-1999 International 5070 10.8L L6
• 1998-2003 International 8100 10.8L L6
• 1998-1999 International F5070 10.8L L6
• 1999-2000 International 2554 10.8L L6
• 1999-2000 International 2654 10.8L L6
• 1999 International 9100 SBA 10.8L L6
• 1999-2000 International 9200 SBA 10.8L L6
• 1999-2000 International 9400 10.8L L6
• 1999 International 9800 SBA 10.8L L6
• 1999 International 9900 10.8L L6
• 1999 International 9900 SFA 10.8L L6
• 2000-2011 International 5500i 8.9L L6, 10.8L L6, 14.9L L6
• 2000-2011 International 5600i 10.8L L6, 14.9L L6, 15.0L
• 2000-2016 International 5900i 10.8L L6, 14.9L L6
• 2000-2003 International 9100i SBA 10.8L L6
• 2000-2011 International 9200i SBA 10.8L L6, 14.9L L6
• 2000-2011 International 9400i SBA 10.8L L6, 14.9L L6
• 2000-2018 International 9900i 10.8L L6, 14.9L L6
• 2000-2003 International 9900i SFA 10.8L L6
• 2001-2002 International 9900ix SFA 10.8L L6
• 2003-2007 International 7600 10.8L L6
• 2003-2007 International 8600 SBA 10.8L L6
• 2004-2009 International 9900ix 14.9L L6
• 2005 International 7400 10.8L L6
• 2005-2007 International 7700 10.8L L6
• 2008-2011 International 8500 TranStar 10.8L L6
• 2008-2011 International 8600 TranStar 10.8L L6
• 2008-2020 International ProStar 14.9L L6, 15.0L
• 2008-2011 International WorkStar 7600 10.8L L6
• 2008-2012 International WorkStar 7700 10.8L L6
• 2009-2024 International LoneStar 10.8L L6, 14.9L L6, 15.0L
• 2017-2025 International HX620 14.9L L6
• 2018-2025 International HX520 14.9L L6
• 2018-2026 International LT625 14.9L L6
• 2020-2025 International LT 14.9L L6
• 1999-2001 Kenworth K100E 10.8L L6
• 1999-2010 Kenworth T2000 10.8L L6, 14.9L L6
• 1999-2008 Kenworth T600A 10.8L L6, 14.9L L6
• 1999-2022 Kenworth T800 10.8L L6, 11.9L, 14.9L L6, 15.0L
• 1999-2023 Kenworth W900 10.8L L6, 11.9L, 14.9L L6
• 2001-2016 Kenworth C500 10.8L L6, 14.9L L6
• 2008-2018 Kenworth T660 10.8L L6, 11.9L, 14.9L L6
• 2011-2015 Kenworth T700 14.9L L6
• 2013-2023 Kenworth T680 11.9L, 14.9L L6
• 2014-2023 Kenworth T880 11.9L, 14.9L L6
• 2020-2023 Kenworth W990 14.9L L6
• 2004-2007 Mack CL 14.9L L6
• 2014-2018 Mack CXU 11.9L
• 2019-2025 Mack Anthem 11.9L
• 2000 Orion Bus Orion V 10.8L L6
• 2000-2011 Oshkosh Motor Truck Co. S 10.8L L6
• 1998-2017 Peterbilt 320 10.8L L6, 11.9L
• 1998-2007 Peterbilt 357 5.9L L6, 10.8L L6, 14.9L L6
• 1998-2007 Peterbilt 378 10.8L L6, 14.9L L6
• 1998-2007 Peterbilt 379 5.9L L6, 10.8L L6, 14.9L L6
• 1998-2007 Peterbilt 385 10.8L L6, 14.9L L6
• 2000-2011 Peterbilt 387 5.9L L6, 10.8L L6, 14.9L L6
• 2007-2015 Peterbilt 386 10.8L L6, 11.9L, 14.9L L6, 15.0L
• 2008-2018 Peterbilt 365 10.8L L6, 11.9L
• 2008-2021 Peterbilt 367 10.8L L6, 11.9L, 14.9L L6, 15.0L
• 2008-2015 Peterbilt 384 10.8L L6, 11.9L, 14.9L L6
• 2008-2015 Peterbilt 388 10.8L L6, 11.9L, 14.9L L6, 15.0L
• 2008-2023 Peterbilt 389 14.9L L6
• 2011-2016 Peterbilt 587 14.9L L6
• 2013-2023 Peterbilt 579 11.9L, 14.9L L6
• 2014-2023 Peterbilt 567 11.9L, 14.9L L6
• 2019-2020 Peterbilt 520 11.9L
• 2006-2009 Pierce Mfg. Inc. Dash 10.8L L6
• 2006-2010 Pierce Mfg. Inc. Quantum 10.8L L6
• 2008 Pierce Mfg. Inc. Lance 10.8L L6
• 2008-2010 Pierce Mfg. Inc. Velocity 10.8L L6
• 2009-2010 Pierce Mfg. Inc. Arrow XT 10.8L L6
• 1999-2003 Sterling Truck A9500 10.8L L6
• 1999-2000 Sterling Truck A9513 10.8L L6
• 1999-2003 Sterling Truck AT9500 10.8L L6
• 1999-2000 Sterling Truck AT9513 10.8L L6
• 1999-2000 Sterling Truck AT9522 10.8L L6
• 1999-2003 Sterling Truck L9500 10.8L L6
• 1999-2000 Sterling Truck L9501 10.8L L6
• 1999 Sterling Truck L9511 10.8L L6
• 1999-2000 Sterling Truck L9513 10.8L L6
• 1999-2003 Sterling Truck LT9500 10.8L L6
• 1999-2000 Sterling Truck LT9501 10.8L L6
• 1999-2000 Sterling Truck LT9511 10.8L L6
• 1999-2002 Sterling Truck LT9513 10.8L L6
• 1999-2000 Sterling Truck LT9522 10.8L L6
• 2001 Sterling Truck LT7500 10.8L L6
• 2002-2003 Sterling Truck Condor 10.8L L6
• 2016 Temsa Bus TS45 11.9L
• 2000-2013 Van Hool C2045 10.8L L6, 11.9L
• 2015-2016 Van Hool Commuter Coach CX 11.9L
• 1998-1999 Volvo VN 10.8L L6, 15.0L
• 1998-2002 Volvo WAH 10.8L L6
• 1998 Volvo WC 10.8L L6
• 1998-2001 Volvo WG 10.8L L6
• 1998 Volvo WI 10.8L L6
• 1999-2001 Volvo ACL 10.8L L6
• 1999-2003 Volvo WX 10.8L L6
• 2000-2025 Volvo VNL 10.8L L6, 11.9L, 14.9L L6
• 2000-2007 Volvo VNM 10.8L L6, 14.9L L6
• 2001-2003 Volvo VHD 10.8L L6
• 2006-2010 Volvo VT 14.9L L6
• 2015-2016 Volvo VNL 430
• 2015-2016 Volvo VNL 630
• 2015-2016 Volvo VNL 670
• 2016-2020 Volvo VNL 300 14.9L L6
• 2017-2020 Volvo VNL 400 14.9L L6
• 2017-2020 Volvo VNL 740 14.9L L6
• 2017-2020 Volvo VNL 760 14.9L L6
• 2017-2020 Volvo VNL 860 14.9L L6
• 1998-2001 Western Star 5800 10.8L L6
• 1999-2000 Western Star 4800 10.8L L6
• 2000-2001 Western Star 4900 10.8L L6
• 2003-2023 Western Star 4900EX 14.9L L6
• 2010-2018 Western Star 4900SA 14.9L L6
• 2011-2018 Western Star 4900FA 14.9L L6
• 2015-2016 Western Star 6900XD 14.9L L6
• 2022-2025 Western Star 49X 14.9L L6