NOS Sorensen PCV-166 Valve – USA Made
Description:
Correct for 1971–75 Chevrolet Vega, Monza, and Pontiac Astre 4-cylinder platforms. Cross-referenced with Standard V166, ACDelco CV774C, and Fram FV156. Straight nipple orientation – metal body – ideal for restorers seeking period-correct crankcase ventilation components. NOS condition – includes original packaging – not a reproduction.
⚙️ Part Overview
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Manufacturer: Sorensen (Standard Motor Products)
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Part Number: PCV-166
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Type: Positive Crankcase Ventilation (PCV) Valve
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Design: Straight nipple orientation, metal body
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Function: Recirculates crankcase gases into the intake manifold to reduce emissions and moisture buildup
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Country of Origin: USA
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Packaging: Typically boxed with Sorensen branding; NOS units often appear in sealed or open-box condition
🚗 Fitment & Specific Applications
Based on verified listings and catalog data, the PCV-166 is correct for GM 4-cylinder platforms from the early to mid-1970s, especially Vega and Monza models:
| Make | Models (Typical) | Years | Engine Types |
|---|---|---|---|
| Chevrolet | Vega, Monza | 1971–1975 | 2.0L, 2.3L L4 |
| Pontiac | Astre | 1974–1975 | 2.3L L4 |
| Oldsmobile | 88 | 1992–1993 | 3.8L V6 |
| GMC | Sonoma | 1992–1993 | 4.3L V6 |
This valve is a direct-fit replacement for crankcase ventilation systems using a straight push-on hose connection.
🔁 Cross-Reference Numbers
| Brand | Part Number |
|---|---|
| Standard | V166 |
| ACDelco | CV774C |
| Fram | FV156 |
| Wells | PCV166 |
| Niehoff | PV295 |
These interchange numbers reflect compatibility across multiple aftermarket brands for GM-style PCV valves with straight hose fittings
