Engine Water Pump ACDelco GM Original Equipment 12703898

Description

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ACDelco is the exclusive Original Equipment parts brand for Chevrolet, Buick, GMC and Cadillac, as well as a provider of premium aftermarket parts for most other makes and models.Other available applications include off-road, marine and industrial. Authorized eBay ACDelco Sellers have been selected because of their direct relationship with ACDelco as part of a certified parts distribution network. The ACDelco Authorized Seller logo is your guarantee that you are purchasing a genuine ACDelco part.
Engine Water Pump ACDelco GM Original Equipment 12703898
Part Number:
12703898
Features:
Thoroughly tested for reliable, leak-resistant performance
Uniform wall sections and smooth coolant-flow cavities for efficient operation
Coated seals with a stainless steel spring for durability
GM-recommended replacement part for your GM vehicle's original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function
Description:
An ACDelco GM Original Equipment Engine Water Pump circulates coolant through your vehicle's radiator and engine system to help maintain proper engine temperature and performance. This original equipment water pump has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ?
WARNING:
Cancer and Reproductive Harm -
https://www.P65Warnings.ca.gov
Tips
Tips
FAQ
Troubleshooting
Downloads
Warranty
Tips
Before purchasing and installing an engine water pump, make sure it is the correct fit for your vehicle.
Tips for Water Pump Inspection:
Clean all excess dirt and debris from the water pump housing.
Run your vehicle to increase engine temperature, and ensure the system is pressurized.
Inspect for leakage at the water pump outlet housing or the rear cover gasket, and leakage at the water pump vent or weep hole.
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.
Tips for Water Pump Servicing & Installation:
Clean and reinstall the coolant recovery reservoir before flushing the cooling system.
Flush 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.
Do not use any non-approved flush agents and replace the coolant according to manufacturer's specifications.
Clean all sealing surfaces, and make sure all old gasket material is removed before installing your replacement component.
Never strike the water pump shaft, since this will damage the new water pump.
Torque all bolts according to the manufacturer's specifications and adjust belts to proper tension (if applicable) to manufacturer's specifications.
Use sealant tabs only if recommended. Some sealant tabs or similar compounds may restrict coolant flow through the passages of some cooling systems.
With the new pump installed, turn the hub by hand and check for rotation.
After installation, pressure-test the system for leaks and check for sufficient fan blade clearance between the blade and radiator shroud.
Inspect related components in the cooling system, including your fan blades, fan clutch, engine mounts, radiator, belts and hoses, and reservoir.
FAQ
FAQ
Should the Vehicle Owner's manual or an expert technician be consulted before making any repairs or adjustments?
Yes. Always consult the Vehicle Owner's manual or an expert technician before making any repairs or adjustments
Will ACDelco GM Original Equipment Water Pumps, Kits and other components match the quality of my GM vehicle's original factory parts?
Yes. ACDelco GM Original Equipment parts are equivalent to your GM vehicle's original factory components.
Do all water pumps look the same?
No. Water pumps can vary greatly in size and appearance depending on the vehicle they are designed for.
Can a malfunctioning water pump harm my engine?
Yes. 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.
Does the water pump affect the temperature inside the passenger compartment of my vehicle?
Yes. 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.
Does the water pump work when my vehicle is turned off?
No. 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.
Troubleshooting
Troubleshooting
Signs of wear for heater water pumps include but are not limited to:
Leaking 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.
Engine 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.
Rumbling 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.
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 water pump failure and should be addressed.
Downloads
Downloads
Information Chart 1
Information Chart 2
Warranty
Warranty
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