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ACDelco 252-838 | Engine Water Pump
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ACDelco 252-838 | Engine Water Pump

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$100.79
Part Number
ACD252-838
UPC:
00707773002995
Condition:
New
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Description
An ACDelco Professional, premium aftermarket Engine Water Pump circulates coolant through your vehicle's radiator and engine system to help maintain proper engine temperature and performance. The gaskets, seals, and O-rings packaged with this Professional, premium aftermarket water pump help guarantee that all necessary parts are available for trouble-free installation. ACDelco Professional Water Pumps are a high quality replacement for many vehicles on the road today. This premium aftermarket replacement engine water pump is manufactured to meet your expectations for fit, form, and function. ? WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

BRAND: ACDelco

FEATURES:

  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Cast-iron or aluminum design, depending on vehicle application
  • Chevrolet;GMC
  • Coated seals support seal longevity and durability
  • Come with premium, high-quality replacement components needed for trouble-free and accurate installation
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life
  • Thoroughly tested for reliable, leak-free performance
  • Uniform wall sections and smooth coolant-flow cavities for efficient operation

SPECIFICS:

Fan Clutch IncludedNo
FAQ - Answer 1Yes. ACDelco Professional Water Pump Kits and Water Pumps are for both GM and non-GM vehicle applications.
FAQ - Answer 2Yes. ACDelco Professional Water Pump Kits and Water Pumps are packaged with the gaskets, seals, and O-rings needed for installation.
FAQ - Answer 3No. Water pumps can vary greatly in size and appearance depending on the vehicle they are designed for.
FAQ - Answer 4Yes. The water pump is responsible for moving coolant through your vehicle's cooling system, keeping the heat generated by your engine at acceptable levels, and helping prevent overheating. A malfunctioning water pump can cause your engine to overheat, which may result in severe and costly engine damage.
FAQ - Answer 5Yes. As part of regular cooling system operation, the water pump sends hot coolant to the heater core of your engine, which transfers heat into the passenger cabin of your vehicle. If this hot coolant is unable to reach the heater core, then this heat transfer cannot occur, and your passenger compartment remains colder than you want.
FAQ - Answer 6No. Your vehicle's water pump keeps coolant moving as long as the engine is running, and stops when the engine is turned off. If you want to be able to circulate coolant for a short time after the engine has been turned off, an auxiliary electric water pump is needed.
FAQ - Question 1Can I use ACDelco Professional Water Pump Kits and Water Pumps on my non-GM vehicle?
FAQ - Question 2Do ACDelco Professional Water Pump Kits and Water Pumps come with installation components?
FAQ - Question 3Do all water pumps look the same?
FAQ - Question 4Can a malfunctioning water pump harm my engine?
FAQ - Question 5Does the water pump affect the temperature inside the passenger compartment of my vehicle?
FAQ - Question 6Does the water pump work when my vehicle is turned off?
Good Maintenance Practices - Section 1 - Bullet 1Clean all excess dirt and debris from the water pump housing.
Good Maintenance Practices - Section 1 - Bullet 2Run your vehicle to increase engine temperature, and ensure the system is pressurized.
Good Maintenance Practices - Section 1 - Bullet 3Inspect for leakage at the water pump outlet housing or the rear cover gasket, and leakage at the water pump vent or weep hole.
Good Maintenance Practices - Section 1 - Bullet 4A stain around the weep hole is acceptable. However, if a weep occurs with the engine running and the coolant system pressurized, then the water pump should be replaced.
Good Maintenance Practices - Section 1 - HeaderTips for Water Pump Inspection:
Good Maintenance Practices - Section 2 - Bullet 1Determine the root cause of failure, particularly if the water pump failed prematurely.
Good Maintenance Practices - Section 2 - Bullet 10After installation, pressure-test the system for leaks and check for sufficient fan blade clearance between the blade and radiator shroud.
Good Maintenance Practices - Section 2 - Bullet 11Inspect related components in the cooling system, including your fan blades, fan clutch, engine mounts, radiator, belts and hoses, and reservoir.
Good Maintenance Practices - Section 2 - Bullet 2Clean and reinstall the coolant recovery reservoir before flushing the cooling system.
Good Maintenance Practices - Section 2 - Bullet 3Flush the cooling system completely, using power flush equipment or thermal cycling the system with clean water three times. The most effective method of system flushing is to use a coolant exchanger, following the manufacturer's operating instructions.
Good Maintenance Practices - Section 2 - Bullet 4Do not use any non-approved flush agents, and replace the coolant according to manufacturer's specifications.
Good Maintenance Practices - Section 2 - Bullet 5Clean all sealing surfaces, and make sure all old gasket material is removed before installing your replacement component.
Good Maintenance Practices - Section 2 - Bullet 6Never strike the water pump shaft, since this will damage the new water pump.
Good Maintenance Practices - Section 2 - Bullet 7Torque all bolts according to the manufacturer's specifications, and adjust belts to proper tension (if applicable) to manufacturer's specifications.
Good Maintenance Practices - Section 2 - Bullet 8Use sealant tabs only if recommended. Some sealant tabs or similar compounds may restrict coolant flow through the passages of some cooling systems.
Good Maintenance Practices - Section 2 - Bullet 9With the new water pump installed, turn the hub by hand and check for rotation.
Good Maintenance Practices - Section 2 - HeaderTips for Water Pump Servicing & Installation:
Good Maintenance Practices - Section 3 - Bullet 1Flush your cooling system whenever the water pump or other system components are replaced. This will help prevent contamination from entering the system, which may result in repeated failure.
Good Maintenance Practices - Section 3 - Bullet 2Utilize quality coolant when refilling your cooling system with the recommended 50/50 coolant/water mix. Distilled water should be used, as hard tap water can leave mineral deposits in the cooling system and reduce coolant flow, or result in corrosion and seal damage. Contaminated or depleted coolant can also result in corrosion and seal damage, and lead to pump failure. Take care to select the correct coolant for your vehicle by consulting the vehicle manufacturer's service information.
Good Maintenance Practices - Section 3 - Bullet 3Never overtighten your drive belts. Belts that are too tight may cause an overload on pump bearings, greatly reducing the life of the water pump.
Good Maintenance Practices - Section 3 - Bullet 4Inspect the fan blade. If damage is not detected, bent blades, loose rivets, and cracks may result in premature bearing failure. If damage is found, do not try to repair the fan-the part should be replaced.
Good Maintenance Practices - Section 3 - Bullet 5Ensure that your engine fan pulley (or clutch, if used) is seated properly on the pump's shaft. If the fan wobbles during rotation, vibration resulting in premature bearing wear may occur. Also check the fan clutch for wear and replace as necessary.
Good Maintenance Practices - Section 3 - Bullet 6Inspect the thermostat and radiator cap. Examine your thermostat and radiator cap, and replace if they show signs of sticking or leaking.
Good Maintenance Practices - Section 3 - HeaderTips to Help Prevent Water Pump Failure:
Height (in)5
Housing MaterialAluminum
Hub Hole Quantity0
Impeller MaterialGrey Iron
Impeller RotationStandard
Impeller Vane Quantity8
Includes Back HousingNo
Informational Chart 1PL25_PL26_IC_WaterPumpComposition.jpg
Informational Chart 2PL25_PL26_IC_CoolingSystemOperation.jpg
Installation WarningsNo
Length (in)6.5
Mounting Hardware IncludedNo
Mounting Hole Quantity6
Outlet Quantity0
Programming RequiredNo
Pulley IncludedNo
Pulley Outside Diameter (in)3.598
Signs of Wear & Troubleshooting - Section 1 - Bullet 4Visible Component Wear - Worn seals, corrosion, cavitation/pitting of pump components, or a loose or wobbly pump shaft are all signs of wear that may lead to pump failure, and should be addressed.
Thermostat And Housing IncludedNo
Water Pump Drive TypeGear
Weight (lb)4.25
Width (in)6.3
Does Not Include Back Housing

DOWNLOADS:

APPLICATIONS:

  • 2001-2005 Chevrolet Silverado 2500 HD
  • 2001-2005 Chevrolet Silverado 3500
  • 2001-2005 GMC Sierra 3500
  • 2001-2005 GMC Sierra 2500 HD
Warranty Information
1-year Replacement unlimited-mileage warranty
Attributes
Part Type:
Aftermarket
Product Description:
Water Pump Kit
Mounting Hardware Included:
No
Programming Required:
No
Housing Material:
Aluminum
Mounting Hole Quantity:
6
Outlet Quantity:
0
Pulley Included:
No
Hazardous Material:
No
Minimum Order Quantity:
1
Features & Benefits - Bullet 2:
Thoroughly tested for reliable, leak-free performance
Features & Benefits - Bullet 4:
Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
Features & Benefits - Bullet 3:
Coated seals support seal longevity and durability
Features & Benefits - Bullet 1:
All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
Weight (lb) (Pound):
4.25
Height (in) (Inch):
5
Width (in) (Inch):
6.3
Length (in) (Inch):
6.5
Signs of Wear & Troubleshooting - Section 1 - Bull:
Visible Component Wear - Worn seals, corrosion, cavitation/pitting of pump components, or a loose or wobbly pump shaft are all signs of wear that may lead to pump failure, and should be addressed.
FAQ - Question 4:
Can a malfunctioning water pump harm my engine?
FAQ - Answer 2:
Yes. ACDelco Professional Water Pump Kits and Water Pumps are packaged with the gaskets, seals, and O-rings needed for installation.
Life Cycle Status:
Announced
FAQ - Question 3:
Do all water pumps look the same?
Life Cycle Status Description:
Announced - Part has been announced to customers on a paper “New Number Announcement”. Part is active.
FAQ - Question 1:
Can I use ACDelco Professional Water Pump Kits and Water Pumps on my non-GM vehicle?
Item Level GTIN:
00707773002995
Features & Benefits - Bullet 7:
Uniform wall sections and smooth coolant-flow cavities for efficient operation
Features & Benefits - Bullet 6:
Come with premium, high-quality replacement components needed for trouble-free and accurate installation
FAQ - Question 2:
Do ACDelco Professional Water Pump Kits and Water Pumps come with installation components?
Features & Benefits - Bullet 5:
High-quality bearings are permanently sealed and lubricated for greater durability and long life
FAQ - Question 6:
Does the water pump work when my vehicle is turned off?
FAQ - Question 5:
Does the water pump affect the temperature inside the passenger compartment of my vehicle?
FAQ - Answer 1:
Yes. ACDelco Professional Water Pump Kits and Water Pumps are for both GM and non-GM vehicle applications.
Good Maintenance Practices - Section 1 - Bullet 1:
Clean all excess dirt and debris from the water pump housing.
Good Maintenance Practices - Section 1 - Bullet 2:
Run your vehicle to increase engine temperature, and ensure the system is pressurized.
Good Maintenance Practices - Section 1 - Bullet 3:
Inspect for leakage at the water pump outlet housing or the rear cover gasket, and leakage at the water pump vent or weep hole.
Good Maintenance Practices - Section 1 - Bullet 4:
A stain around the weep hole is acceptable. However, if a weep occurs with the engine running and the coolant system pressurized, then the water pump should be replaced.
FAQ - Answer 3:
No. Water pumps can vary greatly in size and appearance depending on the vehicle they are designed for.
Features & Benefits - Bullet 8:
Cast-iron or aluminum design, depending on vehicle application
Good Maintenance Practices - Section 1 - Header:
Tips for Water Pump Inspection:
Good Maintenance Practices - Section 2 - Bullet 1:
Determine the root cause of failure, particularly if the water pump failed prematurely.
Good Maintenance Practices - Section 2 - Bullet 2:
Clean and reinstall the coolant recovery reservoir before flushing the cooling system.
Good Maintenance Practices - Section 2 - Bullet 4:
Do not use any non-approved flush agents, and replace the coolant according to manufacturer's specifications.
Good Maintenance Practices - Section 2 - Bullet 5:
Clean all sealing surfaces, and make sure all old gasket material is removed before installing your replacement component.
Good Maintenance Practices - Section 3 - Bullet 1:
Flush your cooling system whenever the water pump or other system components are replaced. This will help prevent contamination from entering the system, which may result in repeated failure.
Good Maintenance Practices - Section 3 - Bullet 3:
Never overtighten your drive belts. Belts that are too tight may cause an overload on pump bearings, greatly reducing the life of the water pump.
Good Maintenance Practices - Section 3 - Bullet 4:
Inspect the fan blade. If damage is not detected, bent blades, loose rivets, and cracks may result in premature bearing failure. If damage is found, do not try to repair the fan-the part should be replaced.
Good Maintenance Practices - Section 3 - Bullet 5:
Ensure that your engine fan pulley (or clutch, if used) is seated properly on the pump's shaft. If the fan wobbles during rotation, vibration resulting in premature bearing wear may occur. Also check the fan clutch for wear and replace as ne
Good Maintenance Practices - Section 3 - Bullet 6:
Inspect the thermostat and radiator cap. Examine your thermostat and radiator cap, and replace if they show signs of sticking or leaking.
Informational Chart 1:
PL25_PL26_IC_WaterPumpComposition.jpg
Good Maintenance Practices - Section 2 - Header:
Tips for Water Pump Servicing & Installation:
Good Maintenance Practices - Section 2 - Bullet 7:
Torque all bolts according to the manufacturer's specifications, and adjust belts to proper tension (if applicable) to manufacturer's specifications.
Good Maintenance Practices - Section 2 - Bullet 6:
Never strike the water pump shaft, since this will damage the new water pump.
Good Maintenance Practices - Section 2 - Bullet 8:
Use sealant tabs only if recommended. Some sealant tabs or similar compounds may restrict coolant flow through the passages of some cooling systems.
Good Maintenance Practices - Section 2 - Bullet 9:
With the new water pump installed, turn the hub by hand and check for rotation.
Pulley Outside Diameter (in) (Inch):
3.598
Good Maintenance Practices - Section 3 - Header:
Tips to Help Prevent Water Pump Failure:
Good Maintenance Practices - Section 2 - Bullet 11:
Inspect related components in the cooling system, including your fan blades, fan clutch, engine mounts, radiator, belts and hoses, and reservoir.
Informational Chart 2:
PL25_PL26_IC_CoolingSystemOperation.jpg
Good Maintenance Practices - Section 2 - Bullet 10:
After installation, pressure-test the system for leaks and check for sufficient fan blade clearance between the blade and radiator shroud.
Fan Clutch Included:
No
Water Pump Drive Type:
Gear
Impeller Rotation:
Standard
Impeller Material:
Grey Iron
Hub Height (Millimeter):
63.75
Includes Back Housing:
No
Impeller Vane Quantity:
8
Installation Warnings:
No
Hub Height (Inch):
2.515
Hub Hole Quantity:
0
Thermostat And Housing Included:
No
Country of Origin:
China
Weight - Each (Gross Pounds):
04.25
Height - Each (Inch):
05.00
Length - Each (Inch):
06.50
Width - Each (Inch):
06.30



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