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GM Genuine Parts 251-664 | Engine Water Pump Cover Gasket

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$12.00
Part Number
ACD251-664
UPC:
21625556277
Condition:
New
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APPLICATIONS:

  • 1995-1995 Chevrolet Lumina APV
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1988-1991 Oldsmobile Cutlass Calais
  • 1995-1996 Oldsmobile 98
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1995-1995 Pontiac Trans Sport
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 2000-2005 Chevrolet Impala
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1986-1987 Buick Somerset
  • 1990-1994 Buick Regal
  • 1988-1991 Buick Reatta
  • 1997-1998 Oldsmobile Regency
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1991-1994 Buick Park Avenue
  • 1997-2006 Pontiac Grand Prix
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1986-1993 Buick Century
  • 1991-1991 Oldsmobile Delta 88
    • 2.84R(F17), 2.97 RATIO(F79)
  • 2005-2006 Buick LaCrosse
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1987-1993 Buick Riviera
  • 1995-2005 Buick LeSabre
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1995-2005 Pontiac Bonneville
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1991-1991 Buick LeSabre
    • 2.84R(F17), 2.97 RATIO(F79)
  • 1986-1990 Buick Electra
  • 2006-2006 Buick Lucerne
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY")(FOR 2ND DES SEE 12615933
  • 1995-2002 Chevrolet Camaro
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1986-1993 Oldsmobile Cutlass Ciera
  • 1986-1990 Buick LeSabre
  • 1992-1994 Oldsmobile 88
  • 1992-1994 Oldsmobile Silhouette
  • 1992-1994 Chevrolet Lumina APV
  • 1992-1994 Buick LeSabre
  • 1995-2005 Buick Park Avenue
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1985-1985 Buick Somerset Regal
  • 1996-1999 Oldsmobile LSS
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1992-1993 Oldsmobile Achieva
  • 1986-1993 Buick Skylark
  • 1992-1994 Pontiac Trans Sport
  • 1986-1990 Oldsmobile Delta 88
  • 1995-2002 Pontiac Firebird
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1986-1992 Oldsmobile Toronado
  • 1986-1994 Oldsmobile 98
  • 1985-1987 Pontiac Grand Am
  • 1987-1987 Oldsmobile Cutlass Cruiser
  • 2005-2006 Buick Allure
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1998-1999 Chevrolet Lumina
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1985-1987 Oldsmobile Calais
  • 1987-1994 Pontiac Bonneville
  • 1995-2004 Buick Regal
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1995-1995 Oldsmobile Silhouette
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1995-1999 Buick Riviera
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1995-1999 Oldsmobile 88
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1998-2005 Chevrolet Monte Carlo
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933
  • 1992-1993 Pontiac Grand Am
  • 1989-1993 Oldsmobile Cutlass Cruiser
  • 1998-1999 Oldsmobile Intrigue
    • 1st Design W/O PUMP HSG CASTING "METAL GASKET ONLY", FOR 2ND DES SEE 12615933

Product type:
Aftermarket
Product Description:
Water Pump Cover Gasket
Material:
Paper with Silicone Bead
Programming Required:
No
Color:
Black
Length (Inch):
11.5
Width (Inch):
7.5
Thickness (Inch):
0.031
Gasket Type:
Gasket
Hazardous Material:
No
Minimum Order Quantity:
1
Features & Benefits - Bullet 2:
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
Features & Benefits - Bullet 4:
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Features & Benefits - Bullet 3:
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
Features & Benefits - Bullet 1:
Made from fiber or a rubberized composite material
Weight (lb) (Pound):
0.02
Height (in) (Inch):
0.3
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 water pump failure and should be addressed.
Signs of Wear & Troubleshooting - Section 1 - Bull:
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.
Signs of Wear & Troubleshooting - Section 1 - Bull:
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.
FAQ - Question 4:
Can a malfunctioning water pump harm my engine?
Life Cycle Status:
Announced
FAQ - Answer 2:
Yes. ACDelco GM Original Equipment parts are equivalent to your GM vehicle's original factory components.
Life Cycle Status Description:
Announced - Part has been announced to customers on a paper “New Number Announcement”. Part is active.
FAQ - Question 3:
Do all water pumps look the same?
Item Level GTIN:
00021625556277
FAQ - Question 1:
Should the Vehicle Owner's manual or an expert technician be consulted before making any repairs or adjustments?
FAQ - Question 2:
Will ACDelco GM Original Equipment Water Pumps, Kits and other components match the quality of my GM vehicle's original factory parts?
Signs of Wear & Troubleshooting - Section 1 - Head:
Signs of wear for engine water pump seals include but are not limited to:
Features & Benefits - Bullet 5:
GM regularly updates production and service part designs to integrate new materials and technologies
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. Always consult the Vehicle Owner's manual or an expert technician before making any repairs or adjustments
FAQ - Answer 3:
No. Water pumps can vary greatly in size and appearance depending on the vehicle they are designed for.
Good Maintenance Practices - Section 1 - Header:
Before purchasing and installing an engine water pump cover gasket, make sure it is the correct fit for your vehicle.
Good Maintenance Practices - Section 2 - Bullet 1:
Clean all excess dirt and debris from the water pump housing.
Good Maintenance Practices - Section 2 - Bullet 2:
Run your vehicle to increase engine temperature, and ensure the system is pressurized.
Good Maintenance Practices - Section 2 - 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 2 - 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.
Good Maintenance Practices - Section 3 - Bullet 1:
Clean and reinstall the coolant recovery reservoir before flushing the cooling system.
Good Maintenance Practices - Section 3 - Bullet 3:
Do not use any non-approved flush agents and replace the coolant according to manufacturer's specifications.
Good Maintenance Practices - Section 3 - Bullet 4:
Clean all sealing surfaces, and make sure all old gasket material is removed before installing your replacement component.
Good Maintenance Practices - Section 3 - Bullet 5:
Never strike the water pump shaft, since this will damage the new water pump.
Good Maintenance Practices - Section 3 - Bullet 6:
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 3 - Bullet 7:
Use sealant tabs only if recommended. Some sealant tabs or similar compounds may restrict coolant flow through the passages of some cooling systems.
Thickness (Millimeter):
0.78
Good Maintenance Practices - Section 2 - Header:
Tips for Water Pump Inspection:
Mount Hole Quantity:
10
Mount Hole Diameter (in):
0.341 in
Mount Hole Diameter (mm):
8.66 mm
Good Maintenance Practices - Section 3 - Header:
Tips for Water Pump Servicing & Installation:
Good Maintenance Practices - Section 3 - Bullet 8:
With the new pump installed, turn the hub by hand and check for rotation.
Good Maintenance Practices - Section 3 - Bullet 9:
After installation, pressure-test the system for leaks and check for sufficient fan blade clearance between the blade and radiator shroud.
Good Maintenance Practices - Section 3 - Bullet 10:
Inspect related components in the cooling system, including your fan blades, fan clutch, engine mounts, radiator, belts and hoses, and reservoir.
Country of Origin:
United States
Weight - Each (Gross Pounds):
00.02
Height - Each (Inch):
00.30
Length - Each (Inch):
11.50
Width - Each (Inch):
07.50



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