Sorenson VRH-1, a vintage voltage regulator used in GM charging systems:
type: Unknown Type
Vendor: CorvairFarmer
Description:
⚡ Sorenson VRH-1 Voltage Regulator
🔧 Part Overview
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Part Number: Sorenson VRH-1
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Type: External Voltage Regulator (Mechanical)
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Polarity: Negative ground
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Voltage: 12V
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Terminals: Typically 4-terminal layout (F, R, 2, 3)
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Mounting: Firewall or fender-mounted with screw tabs
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Country of Origin: Made in USA
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Status: NOS units occasionally found in bulk lots or boxed inventory
🚗 Confirmed Fitment
| Make | Models & Engines | Years |
|---|---|---|
| Chevrolet | Bel Air, Impala, Nova, C/K Trucks | 1963–1972 |
| Pontiac | Catalina, Bonneville, Tempest, Firebird | 1964–1970 |
| Buick | LeSabre, Skylark, Electra | 1965–1971 |
| Oldsmobile | Cutlass, Delta 88, 442 | 1965–1972 |
Used in Delco Remy alternator systems with external regulators prior to full internal regulator adoption in the mid-1970s.
🔁 Cross Reference Numbers
| Brand | Equivalent Part Number |
|---|---|
| Delco Remy | D633, D635 |
| Standard Motor | VR101 |
| Niehoff | 3VR101 |
| Wells | VR101 |
| Sorenson | VRH-1 |
These interchange across multiple catalogs and are compatible with GM alternator systems using external regulators.