85-91 Water Pump Pulley - Except ZR1
Restore the integrity of your serpentine system with this genuine-spec Water Pump Pulley, designed specifically for the 1985-1991 C4 Corvette. This pulley is the perfect replacement for warped, rusted, or "out-of-round" units that cause belt squeal and premature bearing wear.
Key Features
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Exact OEM Geometry: Matches GM #14081087 for a perfect offset and belt tracking.
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Rugged Durability: Stamped steel construction designed to resist flexing and withstand the heat of the engine bay.
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Smooth Operation: Balanced to eliminate vibrations that can lead to water pump failure or belt "tossing."
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Protective Finish: Coated to resist rust and corrosion, maintaining that clean, factory-correct look.
Specifications
| Attribute | Specification |
| Vehicle Fitment | 1985-1991 Chevrolet Corvette (Base L98) |
| Material | Heavy-Duty Stamped Steel |
| Belt Type | Serpentine (6-Rib) |
| Exclusions | Does not fit ZR1 (LT5) models |
Why It Matters
A damaged or "wobbly" pulley does more than just make noise; it places uneven lateral loads on your water pump's internal seals. If you're seeing uneven wear on the edges of your serpentine belt, or if your original pulley has become pitted from years of storage, it's time for a fresh 14081087 to keep your cooling system, and your peace of mind, intact.
Pro Note: When installing, always inspect your belt tensioner and idler pulleys. A fresh water pump pulley works best when the entire serpentine path is true and tensioned correctly.
| Model Year | 1985, 1986, 1987, 1988, 1989, 1990, 1991 |
|---|---|
| Base Unit of Measure | EA |
| Search Description | C4 CORVETTE WATER PUMPS ENGINE PULLEYS |
| Net Weight | 1.750000 |
| GM Item No. | 10105209 14081087 |






















