labwork Windshield Washer Fluid Reservoir with Pump — Direct-Fit for Toyota Corolla/Geo Prizm 1998–2002 1.8L, Pre-installed Pump

labwork's windshield washer fluid reservoir with integrated pump is a direct-fit replacement for 1998–2002 Toyota Corolla and Geo Prizm 1.8L models, restoring washer function and leak-free fluid storage.

If your vehicle's washer tank is cracked, leaking, or the pump has failed, this labwork assembly provides a ready-to-install option manufactured to match factory dimensions and mounting points. Built from durable materials intended to resist cracking and extend service life, the unit ships as a complete reservoir with pump and plumbing interface so you can replace the entire module in one repair session. The part is offered as a replacement for part numbers 85315-02030, 85316-01011, 85315-02030, and TO1288141 — but always confirm fitment for your specific year and model before buying.

How does this replacement restore washer performance?

Replacing a damaged tank or a failed pump returns reliable fluid delivery to the windshield. The new pump and sealed reservoir eliminate leaks and ensure proper pressure to spray nozzles, improving visibility during light rain and road grime removal. Electrical and fluid ports are positioned to align with original harnesses and hoses for correct operation.

• Includes pump pre-installed into the reservoir for correct alignment
• Sealed housing reduces leakage and contamination
• Electrical connector and hose outlet located to match factory routing

Will this part fit my Corolla or Prizm from 1998–2002?

This labwork assembly is engineered for the 1998–2002 Corolla and Geo Prizm with the 1.8L engine using the listed OEM part numbers. Fitment depends on the exact submodel and options, so comparing your current part number to the replacements is important. When in doubt, check the shape, mounting bosses, and connector style against your original unit.

• Designed to match factory mounting points and dimensions
• Replacement for part numbers: 85315-02030, 85316-01011, 85315-02030, TO1288141
• Verify your car's existing tank and pump configuration before purchase

How difficult is the installation and what tools are needed?

Installation is straightforward for a basic DIYer with hand tools; the assembly is made to factory specifications so bolt holes and connectors line up. Expect to drain remaining fluid, unplug the electrical connector, remove mounting fasteners, and swap hoses before securing the new unit. Typical install time ranges from 30 to 90 minutes depending on access and experience.

• Common tools: socket set, pliers for hose clamps, flat screwdriver for clips
• Pre-installed pump reduces assembly steps and alignment adjustments
• Clear instructions: drain fluid, disconnect harness, remove old tank, mount new tank, reconnect hoses

What materials and quality can I expect from labwork's reservoir?

The tank is molded from durable plastic formulated to resist impact and typical thermal cycling under the hood. Labwork emphasizes longevity by using thicker walls at stress points and reinforced mounting bosses to avoid premature cracking. The pump is selected for compatibility with washer fluids and designed to provide reliable service life when used with standard washer solutions.

• Robust plastic construction to reduce cracking risk
• Reinforced mounting points for long service life
• Pump compatible with common washer fluids and factory electrical systems

Who is this for: This labwork windshield washer reservoir and pump assembly is for Corolla and Geo Prizm owners (1998–2002, 1.8L) who need a reliable, factory-dimension replacement due to leaks, pump failure, or damaged mounting points. It's also suitable for mechanics and DIYers seeking a complete unit to minimize install time and avoid sourcing separate pump components. Always confirm your vehicle's part number and connector style match before ordering to ensure proper fit and function.