tostmolt Windshield Washer Pump Motor 12V WG-318 Replacement with Grommet — OE-fit Reliable Fluid Flow

TOSTMOLT's 12V windshield washer pump motor with grommet is a direct-fit replacement for WG-318 that restores washer fluid delivery reliably and installs without modification.

If your vehicle's washer jets sputter, run slowly, or the pump has failed entirely, replacing the pump motor with a compatible unit is a fast, affordable fix. This TOSTMOLT pump is made from OE-grade materials and ships with the rubber grommet needed for a correct seal. It’s designed to match factory mounting and electrical specs so you get dependable performance and simple installation.

How will this pump improve washer performance?

Replacing a worn or damaged pump with this new unit restores steady fluid flow and consistent spray pressure so you can clear windshields effectively. The motor provides the necessary 12V power, while the included grommet prevents leaks and keeps contaminants out of the reservoir.

• Restores original spray pressure for clear visibility
• Includes grommet to prevent fluid leaks and maintain seal
• OE-grade motor materials reduce wear and extend service life
• 12V electrical compatibility with direct replacement fit

Will this unit fit my car and how do I confirm compatibility?

The pump is offered as a replacement for part WG-318 and is built to match common factory specifications. Before buying, confirm fitment using the retailer’s part-finder or compare the part number and connector style to your existing pump to ensure proper match.

• Replaces WG-318; verify with your vehicle’s parts lookup
• Check connector type and mounting points against current pump
• Amazon/retailer part finder recommended for final confirmation
• Direct-replacement design minimizes compatibility issues

How difficult is installation and what tools are required?

Installation is straightforward for most DIYers and typically requires only basic hand tools. You’ll remove the old pump from the washer reservoir, unplug the electrical connector, transfer or replace the grommet, and insert the new pump until it seats securely.

• Simple swap-in design; no modifications needed
• Common tools: pliers, screwdriver, possibly a small socket set
• Disconnect battery or ensure ignition off before working
• Allow access to washer reservoir — consult vehicle guide for location

What kind of warranty and longevity can I expect?

TOSTMOLT supplies this pump with a limited lifetime warranty against manufacturer defects and offers free exchange if the item fails for covered reasons. The use of OE-grade materials in the motor and housing improves durability under normal driving conditions, though lifespan depends on usage and fluid condition.

• Limited lifetime warranty with exchange for covered defects
• OE-grade materials to resist wear and corrosion
• Performance depends on proper installation and fluid quality
• Follow vehicle maintenance practices to maximize service life

Who is this for: This TOSTMOLT washer pump suits drivers and mechanics who need a cost-effective, direct-fit replacement for a failed WG-318 pump. It’s ideal for DIY auto owners who want a quick repair with an included grommet and for service shops seeking a reliable aftermarket option that mirrors factory fitment and electrical characteristics.