2003 Workhorse Custom Chassis P42 Parts
87 parts available. Compare prices across multiple retailers.

Title: Dorman 645-905 EGR Valve Solenoid Pigtail Compatible with Select Models - Dorman Electrical Wire Connector 645-905 - Pigtail - EGR Valve Solenoid Pigtail - EGR Solenoid Valve Pigtail - EGR Solenoid Connector - EGR Valve Solenoid Connector - EGR Valve Connector - EGR Valve Pigtail - This EGR solenoid valve connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability. - General Motors 2011-93
Stores: Amazon, Autozone

Title: 097-836CD AutoGrade Series Oil Drain Plug Gasket - Direct Fit - Dorman 097-836CD Rubber Drain Plug Gasket, Fits M12 (20Mm Od) Compatible with Select Models, 2 Pack , Black - DORMAN 20 mm Rubber Oil Drain Plug Gasket for Ford - Dorman Engine Oil Drain Plug Gasket 097-836CD - Oil Drain Plg Gasket - Rubber Drain Plug Gasket, Fits M12 (20Mm Od) - Oil Drain Plug Seal - Drain Plug O-Ring - Oil Pan Drain Plug Gasket - These oil drain plug gaskets are designed to specific sizes and standards for reliable replacement at every oil change. - AM General 2000-92, Ford Motor Company 2011-09, General Motors 2023-75, Isuzu 2008-91, Saab 2011-03 - Rubber Drain Plug Gasket, Fits M12 (20mm Od) - Rubber Drain Plug Gasket, Fits M12 (20Mm Od)
Stores: Carparts, Advance, Amazon, Fleetpride, Autozone, Finditparts

Title: Dorman 65211 Oil Drain Plug Pilot Point M12-1.75, Head Size 15Mm Compatible with Select Models - OIL DRAIN PLUG - Oil Drain Plug Pilot Point M12-1.75, Head Size 15Mm - Oil Pan Drain Plug - This replacement engine oil drain plug is a direct replacement for a damaged or worn original equipment drain plug, precisely matching the thread pitch to ensure a quality seal. - 2023-79 - Oil Drain Plug Pilot Point M12-1.75, Head Size 15Mm
Stores: Amazon, Finditparts

Title: Dorman Steel Cup Expansion Plug 1-5/8 In., Height 0.500 - EXPANSION PLUG STEEL - Steel Cup Expansion Plug 1-5/8 In., Height 0.500 - Core Plug - Welsh Plug - Freeze Plug - This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance. - 2005-52 - Steel Cup Expansion Plug 1-5/8 In., Height 0.500 - Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (sold by each)
Stores: Advance, Amazon, Finditparts

Title: 300-200 OE Solutions Series Power Steering Pump Pulley - Black, Metal, Serpentine, Direct Fit, Sold Individually - Dorman 300-200 Power Steering Pump Pulley Compatible with Select Models - DORMAN 6.46" Power Steering Pump Pulley for GM / Isuzu - Dorman Power Steering Pump Pulley 300-200 - Power Steering Pump Pulley - PWR STEERING PULLEY - Power Steering Pump Pulley - PS Pulley - This power steering pump pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability. - General Motors 2018-87, Isuzu 2016-93
Stores: Carparts, Advance, Amazon, Fleetpride, Autozone, Finditparts

Title: 800-701 Oil Cooler Connector - Direct Fit - Dorman 800-701 Oil Cooler Line Connector Compatible with Select Models (Pack of 2) - Dorman Engine Oil Cooler Line Connector 800-701 - DORMAN Engine Oil Cooler Line Connector for Chevrolet - Oil Cooler Connector - Oil Cooler Line Connector - Quick Disconnect - Cooler Fitting - Oil Cooler Fitting - Oil Line Fitting - This engine oil cooler line connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability. - Chevrolet 2003-88, GMC 2003-88, Isuzu 2003-96, Workhorse 2005-00, Workhorse Custom Chassis 2004-00 - Oil Cooler Line Connector
Stores: Carparts, Advance, Amazon, Fleetpride, Autozone

Title: 977-030 OE Solutions Series Throttle Position Sensor - Dorman 977-030 Throttle Position Sensor for Select Models - Dorman 977-030 Throttle Position Sensor for Specific Models - Dorman Throttle Position Sensor (TPS) 977-030 - THROTTLE BODY SENSOR - Throttle Position Sensor - Throttle Potentiometer - This throttle position sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance. - General Motors 2007-94, Isuzu 2003-96 - Throttle Position Sensor
Stores: Carparts, Amazon, Walmart, Autozone, Finditparts

Title: 615-305 OE Solutions Series Intake Manifold Gasket - Kit - Dorman 615-305 Engine Intake Manifold Gasket Set Compatible with Select Models - Dorman Intake Manifold Gasket 615-305 - DORMAN Intake Manifold Gasket Set for Chevrolet / GMC - Intake Gasket Kit - INTAKE GASKET KIT - Intake Gasket Kit - Intake Manifold Gasket - This engine intake manifold gasket set is designed to match the original gaskets required to reseal and restore proper function to the intake manifold on specified vehicles. - General Motors 2005-96, Isuzu 2003-96 - Lower & Upper Intake Manifold Gasket Set: 26 Piece Set
Stores: Carparts, Advance, Amazon, Fleetpride, Autozone, Finditparts

Title: 904-7692 HD Solutions Series Accelerator Pedal Position Sensor - Direct Fit, Sold Individually - Dorman 904-7692 Accelerator Pedal Sensor Compatible with Select Models - Dorman Accelerator Pedal Sensor 904-7692 - DORMAN Throttle Position Sensor for Kenworth - Throttle Position Sensor
Stores: Carparts, Advance, Amazon, Fleetpride, Autozone, Finditparts

Title: 090-936CD AutoGrade Series Oil Drain Plug - Silver, Carbon Steel, Magnetic, Direct Fit, Sold Individually - Dorman 090-936CD Oil Drain Plug Magnetic M12-1.75, Head Size 15Mm Compatible with Select Models - Dorman Engine Oil Drain Plug 090-936CD - DORMAN M12x1.75 mm Engine Oil Drain Plug for Chevrolet - Silver - Magnetic Engine Oil Drain Plug: M12x1.75 Thread, 15 mm Head, 1 Pack - Oil Drain Plug Magnetic M12-1.75, Head Size 15Mm - Oil Drain Plug Magnetic M12-1.75, Head Size 15Mm - Oil Pan Drain Plug - This replacement engine oil drain plug is a direct replacement for a damaged or worn original equipment drain plug, precisely matching the thread pitch to ensure a quality seal. - General Motors 2017-16, General Motors 2011-96, Isuzu 2008-96
Stores: Carparts, Advance, Amazon, Fleetpride, Autozone, Finditparts

Title: Dorman 090-175.1 (M12-1.75) Pilot Point Oil Drain Plug - Dorman Engine Oil Drain Plug 090-175.1 - DORMAN M12-1.75 Engine Oil Drain Plug for Ford - Silver - OIL DRAIN PLUG - Oil Drain Plug Pilot Point M12-1.75, Head Size 15mm - Oil Pan Drain Plug - This replacement engine oil drain plug is a direct replacement for a damaged or worn original equipment drain plug, precisely matching the thread pitch to ensure a quality seal. - 2023-90 - Oil Drain Plug Pilot Point M12-1.75, Head Size 15mm - Pilot Point Engine Oil Drain Plug: M12-1.75 Thread, 15 mm Head, 1 Pack
Stores: Advance, Amazon, Fleetpride, Autozone, Finditparts

Title: Dorman 66451 Oil Drain Plug Gasket - DORMAN - HD SOLUTIONS Drain Plug Gasket for Chevrolet - OIL DRAIN PLG GASKET - Rubber Drain Plug Gasket, Fits M12 (20Mm Od) - Oil Drain Plug Seal - Oil Pan Drain Plug Gasket - Drain Plug O-Ring - These oil drain plug gaskets are designed to specific sizes and standards for reliable replacement at every oil change. - AM General 2000-92, Ford Motor Company 2011-09, General Motors 2023-75, Isuzu 2008-91, Saab 2011-03 - Rubber Drain Plug Gasket, Fits M12 (20mm OD) - Rubber Drain Plug Gasket, Fits M12 (20Mm Od)
Stores: Advance, Amazon, Fleetpride, Finditparts

Title: 800-759 Transmission Line Connector - Direct Fit - Dorman 800-759 Transmission Line Connector Compatible with Select Models - DORMAN Transmission Oil Cooler Line Connector - TRANS. LINE CONN. - Transmission Line Connector - Radiator Fitting - Cooler Fitting - Transmission Line Fitting - Transmission Cooler Line Connector - Quick Disconnect - Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler. - General Motors 2008-96 - Transmission Line Connector
Stores: Carparts, Advance, Amazon, Fleetpride, Finditparts

Title: 42320 Help Series Grommet - Direct Fit, Sold individually - DORMAN 0.749" PCV Grommet - Black - Dorman 42320 PCV Grommet GM - 0.749 In. ID - 1.156 In. OD - 0.962 In. Thickness Compatible with Select Models - Dorman PCV Valve Grommet 42320 - PCV Grommet GM - 0.749 In. ID - 1.156 In. OD - 0.962 In. Thickness - PCV Valve Mounting Grommet
Stores: Carparts, Advance, Amazon, Fleetpride, Napa, Autozone, Finditparts

Title: Coolant Bypass Seals - DORMAN Coolant Water Bypass Rubber Gasket for Ford - Dorman Help! 56390 Coolant Bypass Seal - Dorman - HELP Engine Coolant Water Bypass Gasket 56390
Stores: Advance, Amazon, Fleetpride, Autozone, Finditparts

Title: Dorman 904-149 Engine Intake Manifold Gasket Set Compatible with Select Models - Dorman Intake Manifold Gasket 904-149 - DORMAN Intake Manifold Gasket Kit - Intake Gasket Kit - Intake Manifold Gasket Kit - This engine intake manifold gasket set is designed to match the original gaskets required to reseal and restore proper function to the intake manifold on specified vehicles. - AM General 1998-94, General Motors 2005-85 - Upper Intake Manifold Gasket Set: 4 Piece Set
Stores: Advance, Amazon, Fleetpride, Autozone

Title: 264-163 Steel Oil Pan, OE Solutions Series - Dorman 264-163 Engine Oil Pan Compatible with Select Models - Dorman Oil Pan 264-163 - Engine Oil Pan - OIL PAN - Engine Oil Pan - Crankcase Assembly - Oil Sump - Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement. - Chevrolet 2002-92, GMC 2002-92, Workhorse 2005-99, Workhorse Custom Chassis 2005-99
Stores: Carparts, Amazon, Autozone, Finditparts

Title: 800-755 Transmission Oil Line - Brass, Direct Fit, Sold individually - Dorman - 800755 TRANS. LINE CONN. - DORMAN Automatic Transmission Line Connector for Buick - TRANS. LINE CONN. - Transmission Line Connector - Radiator Fitting - Cooler Fitting - Quick Disconnect - Transmission Line Fitting - Transmission Cooler Line Connector - Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler. - General Motors 2007-76, Isuzu 1996-95 - Transmission Line Connector
Stores: Carparts, Advance, Amazon, Fleetpride, Finditparts

Title: 419-100 Accessory Belt Tensioner Kit - Direct Fit, Sold individually - Automatic Belt Tensioner (Tensioner only) - Dorman 419-100 Accessory Drive Belt Tensioner Assembly Compatible with Select Models - Dorman 419-100 Accessory Drive Belt Tensioner Assembly for Specific Models - Dorman Idler Pulley 419-100 - SERP BELT TENSIONER - Automatic Belt Tensioner (Tensioner only) - Drive Belt Tensioner - Accessory Belt Tensioner - Serpentine Belt Tensioner - This replacement belt tensioner assembly is designed to match the fit and function of the original equipment belt tensioner on specified vehicles. Engineered with quality components for durability, it has been extensively tested to perform reliably. - General Motors 2014-96, Isuzu 1999-97
Stores: Carparts, Amazon, Walmart, Autozone, Finditparts

Title: 907-729 Camshaft Position Sensor, Sold Individually OE Solutions Series - CAM POSITION SENSOR - Magnetic Camshaft Position Sensor - Cam Sensor - This direct replacement camshaft position sensor matches the fit and performance of a failed original equipment sensor to restore proper engine starting and running, made of quality materials for a reliable service life. - General Motors 2007-95 - Dorman 907-729 Engine Camshaft Position Sensor Compatible with Select Models - Dorman Camshaft Synchronizer 907-729
Stores: Carparts, Amazon, Autozone
Showing 20 of 87 parts. View all with filters