Vehicle Compatibility

Chevrolet

• Camaro (1998-2002) 5.7L LS1
• Corvette (1997-2004) 5.7L LS1

Pontiac

• Firebird (1998-2002) 5.7L LS1
• GTO (2004) 5.7L LS1
• GTO (2005-2006) 6.0L LS2

Avanti

• Avanti II (2001-2004) 5.7L

Always confirm compatibility before ordering.

What’s Included?

The A-Premium package includes:

Components

• Water Pump Assembly
• Water Pump Gasket

Unlike some competing kits, a thermostat is not included.

This makes the kit ideal for owners who recently replaced the thermostat or prefer selecting a specific thermostat temperature separately.

Water Pump Specifications

Housing Material

• Aluminum

Impeller Material

• Steel

Impeller Rotation

• Reverse Rotation

Mounting Holes

• 6

Drive Type

• Serpentine Belt Driven

Pulley Included

• Yes

Thermostat Included

• No

Gasket Included

• Yes

These specifications closely mirror factory LS cooling system requirements.

Why Water Pumps Fail on LS Engines

Even legendary LS engines aren’t immune to cooling system wear.

Common failure causes include:

Bearing Wear

Internal bearings deteriorate over time.

Seal Failure

Coolant begins leaking through the weep hole.

Corrosion

Cooling system contamination accelerates wear.

Age and Mileage

Most original LS1 pumps are now decades old.

Regular inspection becomes increasingly important as mileage accumulates.

Common Symptoms of a Bad LS Water Pump

A failing water pump usually provides warning signs before complete failure.

Coolant Leaks

Often visible near the front of the engine.

Overheating

Reduced coolant circulation affects temperature control.

Grinding or Whining Noise

Typically indicates bearing wear.

Coolant Smell

Can signal external leakage.

Temperature Fluctuations

Engine temperatures become inconsistent.

Ignoring these symptoms can lead to much more expensive repairs.

Aluminum Housing Benefits

The A-Premium pump uses an aluminum housing.

Advantages include:

Corrosion Resistance

Helps resist long-term coolant exposure.

Lightweight Construction

Reduces overall component weight.

Improved Heat Transfer

Aluminum dissipates heat efficiently.

OEM-Style Design

Matches factory cooling system architecture.

For street and performance applications, aluminum remains an excellent choice.

Steel Impeller Advantages

The impeller is responsible for moving coolant through the system.

This pump features:

Steel Impeller Construction

Benefits include:

• High durability
• Excellent wear resistance
• Reliable coolant flow
• Long service life

A quality impeller is critical for maintaining proper cooling system performance.

Reverse Rotation Design

Many LS water pumps use a reverse-rotation configuration.

Why It Matters

Serpentine belt systems often rotate the pump opposite traditional V-belt designs.

Installing the wrong pump can result in:

• Poor coolant circulation
• Overheating
• Cooling system inefficiency

Always verify rotation direction before installation.

Great for LS Maintenance Projects

This water pump is particularly useful during:

Engine Refreshes

Replace aging components proactively.

Cooling System Overhauls

Restore reliability.

LS Swaps

Install fresh maintenance items before startup.

High-Mileage Service

Prevent future failures.

Replacing the water pump before it fails can save significant time and money.

Installation Considerations

Water pump replacement generally involves:

1. Draining coolant
2. Removing accessory belts
3. Disconnecting hoses
4. Removing the old pump
5. Cleaning mounting surfaces
6. Installing the new gasket and pump
7. Refilling and bleeding the cooling system

Always use proper torque specifications and fresh coolant.

OEM Reference Numbers

This pump replaces several common OEM numbers, including:

• 12069537
• 12369537
• 12456112
• 12458934
• 12533193
• 12557710
• 1258934
• 19195105
• AW5081

Cross-referencing part numbers helps ensure proper fitment.

Pros and Cons

Pros

• Fits multiple LS1 and LS2 applications
• Aluminum housing construction
• Steel impeller design
• Gasket included
• Pulley included
• Direct replacement fitment
• One-year warranty

Cons

• Thermostat sold separately
• Cooling system service required during installation
• Professional installation may be preferred
• Fitment should always be verified

Frequently Asked Questions

Does this fit a 2001 Camaro SS?

Yes. The pump is compatible with 1998-2002 Chevrolet Camaro LS1 applications.

Is the thermostat included?

No. The thermostat must be purchased separately.

Does it include a gasket?

Yes. A gasket is included with the water pump.

What are signs of a failing LS water pump?

Coolant leaks, overheating, bearing noise, and temperature fluctuations are common symptoms.

Final Thoughts

The A-Premium Engine Water Pump with Gasket is a solid replacement choice for aging LS-powered vehicles. With an aluminum housing, durable steel impeller, included gasket, and direct-fit design, it provides an affordable way to restore cooling system reliability in Camaro, Corvette, Firebird, and GTO applications.

Because replacing a water pump on your schedule is a lot more enjoyable than replacing it on the side of the highway while your temperature gauge is trying to achieve orbit.