Keystone MA1288158 Windshield Washer Reservoir Assembly with Pump and Cap Large Tank

The Keystone MA1288158 is a direct-fit OEM-replacement windshield washer reservoir assembly designed for compatible Mazda 3 and Mazda 5 vehicles. This large-capacity tank is engineered to restore the original windshield washing system function, providing reliable fluid storage for both front and rear washer circuits where applicable.

This assembly ships complete and ready to install, saving time compared to sourcing individual components. The large-tank configuration is ideal for applications requiring higher fluid capacity.

Key Features:

• Complete assembly — includes reservoir tank, washer pump, and cap
• Large tank — increased fluid capacity for extended washer system operation
• OEM-style design — engineered to match original equipment fit and function
• Durable plastic construction — resistant to heat cycling and vibration for long service life
• Direct bolt-on replacement — no modification required for proper installation

OEM Cross-Reference: BBM567481A-PFM

This washer reservoir is manufactured by Keystone Automotive Industries, a trusted supplier of collision repair and OEM-replacement components for the automotive aftermarket.