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acdelco gm original equipment 251-780 engine water pump: durable and reliable automotive essential logo

ACDelco GM Original Equipment 251-780 Engine Water Pump: Durable and Reliable Automotive Essential Review

3

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🌡️ Engine Cooling & Climate Control, 🛠️ Replacement Parts

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Details

BrandACDelco
MaterialStainless Steel
Item Weight5.47 Pounds

Description of ACDelco GM Original Equipment 251-780 Engine Water Pump: Durable and Reliable Automotive Essential

Thoroughly tested for reliable, leak-free performance. Uniform wall sections and smooth coolant-flow cavities for efficient operation. Coated seals with a stainless steel spring for durability. Heat-treated impeller shafts supported by high-quality ball/roller bearings for smooth, reliable operation in virtually all conditions. GM-recommended replacement part for your GM vehicle’s original factory water pump.

Reviews

Global ratings 3
  • 5
    3
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
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Type of review

Revainrating 5 out of 5

Suitable for water pumps

Works. There was a small Leary because it didn't have the exact part number on it. I know the part numbers change, but it still puzzles me.

Pros
  • Thoroughly tested for reliability and no leaks
Cons
  • Not bad, but...

Revainrating 5 out of 5

OEM for critical parts

I use OEM parts for critical parts, the water pump is one of them. The original pump developed a leak at the seal plate located under the inside of the pulley shaft. Not the usual rip hole on the top. Good quality, problem fixed.

Pros
  • Uniform wall sections and smooth cavities for coolant flow for efficient operation
Cons
  • Legacy model

Revainrating 5 out of 5

OEM, PERFECT FIT, HARDWARE INCLUDED, HIGH QUALITY, DIRECT REPLACEMENT

Perfect fit, 100% OEM. High quality product, complete with screws, rubber seal, thermostat and all necessary small parts. Easy installation. Remove the coolant bypass (metal pipe). Remove the thermostat, unscrew the 3 screws 13mm on the cylinder block. First I would use a 1/2 inch screwdriver to pry up the tensioner and remove the belt from the pulley. Then unscrew 3 screws from the block. Be sure to clean the sealing areas. I didn't need one on the block, one on the thermostat bypass (metal…

Pros
  • GM recommended replacement part for your GM vehicle's original factory water pump
Cons
  • Empty