NOS GM Disc Brake Pad Noise Insulator Set – Part #231474 – 1971–80 Chevy, Pontiac, Buick, Olds, Cadillac
Description:
🔧 GM Part #231474 – NOS Disc Brake Pad Noise Insulator Set
GM part number 231474 refers to a disc brake pad noise insulator set, used across a wide range of 1971–1980 GM vehicles. These insulators are designed to sit behind the brake pads in disc brake systems, helping to reduce vibration and brake squeal. This is a New Old Stock (NOS) part, often found in its original GM packaging.
📦 Item Details
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Part Number: GM 231474
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Group Number: GR. 5.018
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Type: Disc Brake Pad Noise Insulator Set
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Contents: Typically includes 4 insulator pads
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Material: Composite or fiber-backed anti-squeal shims
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Condition: NOS in original GM packaging
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Superseded By: GM #1256072
🚗 Vehicle Applications
This part fits a wide range of GM models equipped with disc brakes, including:
Chevrolet
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1971–1974 Camaro, Chevelle, Nova, Impala, Caprice
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1971–1980 C10, C20, C30 pickups
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1971–1980 G10, G20 vans
Pontiac
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1971–1974 Firebird, LeMans, Grand Prix
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1971–1980 Ventura, Bonneville
Oldsmobile
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1971–1974 Cutlass, Delta 88, 98
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1971–1980 Omega
Buick
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1971–1974 Skylark, Electra, LeSabre
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1971–1980 Apollo, Regal
Cadillac
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1971–1974 DeVille, Eldorado, Fleetwood
These insulators were standard on GM vehicles with front disc brakes and are ideal for restorers seeking OEM-correct brake hardware.
