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Part fits the following years: 1974, 1975, 1976, 1977

Chevelle AC Safety Switch Binary Pressure, by Old Air Products

Part# CH28451

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SAVE: $4.96 Retail: $45.95

OPGI Price: $40.99

Brand: Old Air Products
Part Type: (R) = Authentic reproduction of the original GM product
Years: Sold As: EACH
2015 Chevelle Catalog Page: 408
2016 Chevelle Catalog Page: 418

A must-have switch

Factory-correct reproduction

This authentic reproduction switch mounts to the “VIR” (valve in receiver) and acts as a safety shut-off for the compressor in the event of a leak, which is signaled by low pressure. The binary pressure switch is an excellent upgrade for cycling systems and features the correct terminals for a hassle-free connection to original wiring.

Make & ModelYear RangeApplication Details
Chevrolet Chevelle1974-1977 Binary Pressure
Chevrolet Malibu1978 (Binary Pressure)
Chevrolet El Camino1974-1977 Binary Pressure
Chevrolet El Camino1978 (Binary Pressure)
Chevrolet Monte Carlo1974-1977 (Binary Pressure)
Chevrolet Monte Carlo1978 (Binary Pressure)
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