🧩 GM Part #22043290 — Washer Pump Ratchet Wheel
Description:
🧩 GM Part #22043290 — Washer Pump Ratchet Wheel
🔧 Part Description
This is a genuine GM NOS ratchet wheel used in windshield washer pump assemblies. It engages with the motor cam to drive the pump mechanism, ensuring proper fluid delivery during wiper operation.
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OEM Part Number: 22043290
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Type: Washer Pump Ratchet Wheel
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Group Number: 10.153 (GM catalog)
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Material: White molded plastic
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Condition: NOS (New Old Stock), factory packaging
🚗 Fitment & Compatibility
Confirmed applications include 1976–1983 GM vehicles, especially:
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Chevrolet: Camaro (Z28, Berlinetta, Sport Coupe), Chevelle, El Camino
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Pontiac: Firebird (Base, S/E, Trans Am), Grand Prix
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Oldsmobile: Cutlass, 442
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Buick: Regal, Century
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GMC: Sprint, Caballero
Used in Delco windshield wiper motor washer pump assemblies, typically mounted on the front cowl or firewall.
🔁 Cross-Reference Numbers
Manufacturer | Part Number | Description |
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GM | 22043290 | Washer Pump Ratchet Wheel |
Superseded | 4919971 | Earlier version replaced by 22043290 |
Delco | 22048290 | Alternate catalog listing (interchangeable) |