Mack CM Rear Wiper Blade — 12" Perfect Fit

Upgrade your Mack CM (1988 - 1991) with this premium 12" rear wiper blade — precision-engineered for a factory-perfect fit on your windshield. Our beam-style flat blade uses a frameless aerodynamic design that hugs every curve of your Mack CM's glass, delivering uniform pressure from tip to tip for streak-free, chatter-free performance. Built with a natural rubber squeegee edge and a durable steel spring tensioner, this blade handles rain, sleet, and snow with quiet, smooth operation. The integrated wind spoiler keeps the blade pressed firmly at highway speeds, while the UV-resistant housing protects against sun damage and cracking. No adapters required — the universal J-hook connector (plus included adaptors for pin-arm, bayonet, and side-lock mounts) snaps onto your Mack CM wiper arm in under 2 minutes. No tools needed. Eco-conscious manufacturing: our blades use recyclable packaging and responsibly sourced natural rubber. Backed by our 12-month warranty and perfect-fit guarantee — if it doesn't fit your Mack CM, we'll refund you in full.