ACDelco 252-687 Engine Water Pump

Part Number
252-687
Engine Water Pump

Fits: 90-97 Ford Aerostar, 90-00 Ford Ranger, 91-00 Ford Explorer

$87.99
In stock
Only 1 left
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Estimated Ship Date: 1 Business Day or Less
Water Pump Kit


BRAND: ACDelco





SPECIFICS:


ACD_RemanDesNo
AltPA_360_mm105.91
AltPA_7287_mm8
Casting Number18-593
Fan Clutch IncludedNO
FAQ - A1Yes. ACDelco Professional Water Pump Kits and Water Pumps are for both GM and non-GM vehicle applications.
FAQ - A2Yes. ACDelco Professional Water Pump Kits and Water Pumps are packaged with the gaskets, seals, and O-rings needed for installation.
FAQ - A3No. Water pumps can vary greatly in size and appearance depending on the vehicle they are designed for.
FAQ - A4Yes. 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 - A5Yes. 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 - A6No. 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 - Q1Can I use ACDelco Professional Water Pump Kits and Water Pumps on my non-GM vehicle?
FAQ - Q2Do ACDelco Professional Water Pump Kits and Water Pumps come with installation components?
FAQ - Q3Do all water pumps look the same?
FAQ - Q4Can a malfunctioning water pump harm my engine?
FAQ - Q5Does the water pump affect the temperature inside the passenger compartment of my vehicle?
FAQ - Q6Does the water pump work when my vehicle is turned off?
Features & Benefits - B1All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
Features & Benefits - B2Thoroughly tested for reliable, leak-free performance
Features & Benefits - B3Coated seals support seal longevity and durability
Features & Benefits - B4Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
Features & Benefits - B5High-quality bearings are permanently sealed and lubricated for greater durability and long life
Features & Benefits - B6Come with premium, high-quality replacement components needed for trouble-free and accurate installation
Features & Benefits - B7Uniform wall sections and smooth coolant-flow cavities for efficient operation
Features & Benefits - B8Cast-iron or aluminum design, depending on vehicle application
Good Maintenance Practices - S1 B1Clean all excess dirt and debris from the water pump housing.
Good Maintenance Practices - S1 B2Run your vehicle to increase engine temperature, and ensure the system is pressurized.
Good Maintenance Practices - S1 B3Inspect 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 - S1 B4A 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 - S1 HTips for Water Pump Inspection:
Good Maintenance Practices - S2 B1Determine the root cause of failure, particularly if the water pump failed prematurely.
Good Maintenance Practices - S2 B10After installation, pressure-test the system for leaks and check for sufficient fan blade clearance between the blade and radiator shroud.
Good Maintenance Practices - S2 B11Inspect related components in the cooling system, including your fan blades, fan clutch, engine mounts, radiator, belts and hoses, and reservoir.
Good Maintenance Practices - S2 B2Clean and reinstall the coolant recovery reservoir before flushing the cooling system.
Good Maintenance Practices - S2 B3Flush 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 - S2 B4Do not use any non-approved flush agents, and replace the coolant according to manufacturer's specifications.
Good Maintenance Practices - S2 B5Clean all sealing surfaces, and make sure all old gasket material is removed before installing your replacement component.
Good Maintenance Practices - S2 B6Never strike the water pump shaft, since this will damage the new water pump.
Good Maintenance Practices - S2 B7Torque all bolts according to the manufacturer's specifications, and adjust belts to proper tension (if applicable) to manufacturer's specifications.
Good Maintenance Practices - S2 B8Use 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 - S2 B9With the new water pump installed, turn the hub by hand and check for rotation.
Good Maintenance Practices - S2 HTips for Water Pump Servicing & Installation:
Good Maintenance Practices - S3 B1Flush 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 - S3 B2Utilize 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 - S3 B3Never 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 - S3 B4Inspect 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 - S3 B5Ensure 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 - S3 B6Inspect the thermostat and radiator cap. Examine your thermostat and radiator cap, and replace if they show signs of sticking or leaking.
Good Maintenance Practices - S3 HTips to Help Prevent Water Pump Failure:
Height6
Housing MaterialAluminum
Hub Height4.17
Hub Hole Quantity4
Impeller MaterialGrey Iron
Impeller RotationREVERSE
Impeller Vane Quantity10
Includes Back HousingNO
Informational Chart 1PL25_PL26_IC_WaterPumpComposition.jpg
Informational Chart 2PL25_PL26_IC_CoolingSystemOperation.jpg
Installation WarningsNO
Keyword SearchACDelco; Professional Engine Water Pump; Engine Water Pump; Water Pump; Water Pump Gasket; Water Pump Seal; Water Pump O-Ring; Water Pump Replacement Components; Automotive Replacement Engine Water Pumps; HVAC; Heating, Ventilation and Air Conditioning; Automotive Cooling; Automotive Heating; All Makes
Length12.1
Marketing Statement - Product LineWhen it comes to protecting the life of your engine, ACDelco Professional Water Pumps offer the heat control you need to keep things cool. Built to meet the latest manufacturer-specified designs, ACDelco's full line of Professional Water Pumps offers a wide range of water pump kits, ideal for your car, truck or SUV. ACDelco Professional Water Pump kits provide premium aftermarket components that fit GM vehicles as well as a wide range of non-GM vehicles on the road today. Trust ACDelco Professional Water Pumps to protect your vehicle's vital systems.
Mkt_State_Warranty_CA24 Months/40,000 KM (Parts Only). Please see ACDelcocanada.com for more details.
Mkt_State_Warranty_US24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.
Mounting Hardware IncludedNo
Mounting Hole Quantity12
Outlet Quantity2
Product DescriptionAn 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.
Programming RequiredNO
Pulley IncludedNo
Signs of Wear & Troubleshooting - S1 B1Leaking Coolant - Puddles of coolant under your vehicle, a constant drip or stream of coolant from the water pump's weep hole, or a constantly empty or low coolant reservoir are all signs of potential water pump wear, and may be caused by cracks in the pump, or seal or gasket failures.
Signs of Wear & Troubleshooting - S1 B2Engine Overheating - If your vehicle's engine overheats, it may not be receiving the required coolant flow. Make sure that your vehicle's cooling system contains the proper level of coolant.
Signs of Wear & Troubleshooting - S1 B3Rumbling Noise in the Pump - A rumbling, squeaking, or screeching noise near the front of your vehicle when you start it may indicate a malfunctioning water pump bearing.
Signs of Wear & Troubleshooting - S1 B4Visible 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
Vintage_Part_IndicatorN
Water Pump Drive TypeTIMING_BELT
Weight5.9
Width7.2



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APPLICATIONS:


  • 1990-2000 Ford Ranger
  • 1991-2000 Ford Explorer
  • 1990-1997 Ford Aerostar
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