2003 Workhorse P-Series Engine Cooling
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- GMB®Engine Water PumpWorkhorse P-Series 8.1L 2003, Engine Water Pump by GMB®. Material: Cast Iron. Rotation: Reverse. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings, impellers,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$126.55
- ACDelco®Professional™ Molded Engine Coolant Bypass HoseWorkhorse P-Series 2003, Professional™ Molded Engine Coolant Bypass Hose by ACDelco®. Contains Spring: No. Construction: Molded Assembly. Composed of specially blended materials to deliver long-life performance, ACDelco...Protective sleeves help duplicate GM Original Equipment™ for proper fit and function.Designed to resist electrochemical degradation for durability.$8.51 - $18.64
- Dayco®Engine Coolant Curved Radiator HoseWorkhorse P-Series 2003, Engine Coolant Curved Radiator Hose by Dayco®. Contains Heat Shield: No. Contains Protective Sleeve: No. Replace your cracked, spongy, worn out, or damaged radiator hose with this Dayco product manufactured to...Designed as the OE replacementOE quality and performance at an affordable price$5.64 - $20.88
- Gates®Premium Engine Coolant Molded Radiator HoseWorkhorse P-Series 2003, Premium Engine Coolant Molded Radiator Hose by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and...Heat and ozone resistant coverRe-engineered materials resist vacuum collapse, this reduces the need for internal springs in many applications$17.00 - $35.70
- ACDelco®Professional™ Molded Engine Coolant Radiator HoseWorkhorse P-Series 2003, Professional™ Molded Engine Coolant Radiator Hose by ACDelco®. Composed of specially blended materials to deliver long-life performance, ACDelco Professional™ Automotive Coolant Hoses are designed to resist...Protective sleeves help duplicate GM Original Equipment™ for proper fit and functionDesigned to resist electrochemical degradation for durability$18.90 - $87.14
- Gates®Engine Coolant Standard Water PumpWorkhorse P-Series 2003, Engine Coolant Standard Water Pump by Gates®. Rotation: Reverse. Gates water pumps are recognized in the industry for their durability and superior quality. Every Gates water pump is constructed with premium...Great design and functionMade from sturdy materials$45.32 - $149.28
- Dayco®Engine Coolant Water PumpWorkhorse P-Series 6.5L 2003, Engine Coolant Water Pump by Dayco®. The engine cooling system stabilizes the engine operating temperature by limiting the rise above the expected limits. The coolant is circulated by the water pump, which...Designed for the replacement of worn or damaged timing belts, tensioners, belt idlers, hydraulic actuators and water pumpsMeets or exceeds OE quality, fit, form and function requirements$173.59
- SKP®Engine Water PumpWorkhorse P-Series 5.7L 2003, Engine Water Pump by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...High quality at an affordable priceExpertly made from premium materials$48.54
- USMW Professional Series®Engine Water PumpWorkhorse P-Series 2003, Engine Water Pump by USMW Professional Series®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$33.89 - $113.76
- Gates®Engine Coolant Molded Bypass HoseWorkhorse P-Series 2003, Engine Coolant Molded Bypass Hose by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured...Great design and functionMade from sturdy materials$8.17 - $12.26
- Gates®Premium Modular Engine Coolant Radiator HoseWorkhorse P-Series 6.5L 2003, Premium Modular Engine Coolant Radiator Hose by Gates®. Position: Lower. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost...Great design and functionMade from sturdy materials$115.80
- Dayco®Engine Coolant Bypass HoseWorkhorse P-Series 8.1L 2003, Engine Coolant Bypass Hose by Dayco®. Replace your cracked, spongy, worn out, or damaged radiator hose with this Dayco product manufactured to meet the highest standards required for OEM hose replacements....Designed as the OE replacementOE quality and performance at an affordable price$9.50
- Continental® ContiTech™Elite™ Engine Coolant Molded Bypass HoseWorkhorse P-Series 8.1L 2003, Elite™ Engine Coolant Molded Bypass Hose by Continental® ContiTech™. This flexible hose can be used to replace a molded radiator hose. It has a corrugated cover that easily follows the bends of the OE...Versigard EPDM rubber tube and coverDesigned to withstand temperature from -40°F to +257°F$11.39
- Continental® ContiTech™Elite™ Engine Coolant Molded Radiator HoseWorkhorse P-Series 8.1L 2003, Elite™ Engine Coolant Molded Radiator Hose by Continental® ContiTech™. Position: Lower. This molded hose can be used to replace a molded radiator hose. It has a corrugated cover that easily follows the...Versigard EPDM rubber tube and coverDesigned to withstand temperature from -40°F to +257°F$19.22
- Gates®OE Type Engine Coolant ThermostatWorkhorse P-Series 5.7L with OEM Thermostat Temperature 2003, OE Type Engine Coolant Thermostat by Gates®. With Seal. Depth from Flange: 1.52". Height from Flange: 0.8". Temperature: 198F. If you want to keep your vehicle safe on the...Map Controlled - Bolt-on solution with included sensor that links to the engine control unitSame easy installation as standard ITH$28.57
- Gates®Premium Engine Coolant ThermostatWorkhorse P-Series 5.7L with Alternate Thermostat Temperature 2003, Premium Engine Coolant Thermostat by Gates®. With Seal. Depth from Flange: 1.45". Height from Flange: 0.87". Temperature: 195F. If you want to keep your vehicle safe on...Great design and functionMade from sturdy materials$11.73
- ACDelco®Professional™ Engine Coolant Standard ThermostatWorkhorse P-Series 8.1L 2003, Professional™ Engine Coolant Standard Thermostat by ACDelco®. With Seal. Flange Diameter: 1.811". Temperature: 195F. Height: 50.8mm. ACDelco has a Thermostat and Cap for most GM vehicles on the road...Heavier-duty components and greater flow rates than standard-line thermostats.Designed to be OE-like$7.15
- MotoRad®Engine Coolant ThermostatWorkhorse P-Series 2003, Engine Coolant Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high-quality product used in their...Offer precise pressure controlEnsure the proper fit$5.78 - $7.05
- MotoRad®Fail Safe™ Series Thermostat with SealWorkhorse P-Series 8.1L 2003, Fail Safe™ Series Thermostat with Seal by MotoRad®. Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. Only Fail-Safe is designed to lock...$10.27 - $10.75
- MotoRad®High-Flow™ Series Thermostat with SealWorkhorse P-Series 8.1L 2003, High-Flow™ Series Thermostat with Seal by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality...$5.70 - $6.07
- MotoRad®UltraStat™ Series ThermostatWorkhorse P-Series 2003, UltraStat™ Series Thermostat by MotoRad®. The new MotoRad UltraStat® thermostats are an innovative line offering many features and benefits over the original equipment. Heavy gauge stainless steel...$9.08 - $10.84
- Wehrli Custom Fabrication®Upper Coolant Pipe KitWorkhorse P-Series 3.9L 2003, Upper Coolant Pipe Kit by Wehrli Custom Fabrication®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it...Made to keep your engine running coolImproves your vehicle's performance$144.53 - $168.78
- Dorman®Engine Coolant Thermostat HousingWorkhorse P-Series 8.1L 2003, Engine Coolant Thermostat Housing by Dorman®. Material: Metal. Bolt Hole Diameter: 0.313". Quantity: 3 Bolt Hole. Finish: Natural. Re-engineered to address common failure points in the original equipment,...Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and modelsDurable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking$21.92
- Moroso®Engine Coolant Filler NeckWorkhorse P-Series 5.7L / 8.1L 2003, Engine Coolant Filler Neck by Moroso®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will...High quality at an affordable priceBuilt to match your exact requirements$93.99 - $94.99
- MotoRad®Engine Coolant Thermostat HousingWorkhorse P-Series 8.1L 2003, Engine Coolant Thermostat Housing by MotoRad®. Position: Upper. MotoRad conducts highly controlled validation using advanced testing equipment that is integrated into the production process of all products.Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$20.15
- PAI®Engine Coolant Water Pump O-RingWorkhorse P-Series 3.9L 2003, Engine Coolant Water Pump O-Ring by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$1.58 - $3.35
- Dorman®Coolant Water Bypass GasketWorkhorse P-Series 6.0L 2003, Coolant Water Bypass Gasket by Dorman®. Package Quantity: 4. Engineered from high-quality materials for a long-lasting service life, Dorman’s Engine Coolant Water By-Pass Gaskets provide an airtight seal...Direct replacement for a proper fitDurable against fluctuations in under hood temperatures$7.72
- Meziere Enterprises®Manifold Black -12AN Male -6AN Female Water Neck PlateWorkhorse P-Series 8.1L with Chevy Big Block Engine 2003, Manifold Black -12AN Male -6AN Female Water Neck Plate by Meziere Enterprises®. Finish: Black Anodized. Hose: -12AN to -6AN. Performance, sophistication and durability are by no...Powerful and efficient designExtended service life$114.29
- Gates®Micro-V™ V-Ribbed BeltWorkhorse P-Series 2003, Micro-V™ V-Ribbed Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better, in service...Special belt construction eliminates belt noise, reduces tension loss, and solves problem drive applicationsUtilizes advanced materials like Aramid Fiber found in bullet-proof vests and crack and heat-resistant EPDM materials$23.67 - $34.17
- ACDelco®Specialty™ Heavy Duty V-Ribbed Serpentine BeltWorkhorse P-Series 2003, Specialty™ Heavy Duty V-Ribbed Serpentine Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Made with precision and quality in mindDesigned to meet your specific needs$30.83 - $46.16