Replacement horn switch assembly (part #158-6632) compatible with Caterpillar engines including 3126B, 3408E, 3306, 3508B, C9, C18, and C6.6 — fits 953C, 963C, and 973C loaders.

Description

Horn Switch Assembly 158-6632 – Premium Replacement for Caterpillar CAT Equipment

High-performance aftermarket horn switch assembly engineered for reliable operator control in Caterpillar CAT engines, dozers, loaders, pipelayers, and rotary mixers. Precision-manufactured for drop-in compatibility and consistent switching performance in demanding construction and industrial environments.

Technical Specifications

Fits Part Numbers: CA1586632, 158-6632, 1586632
Condition: New, aftermarket replacement
Function: Operator horn switch assembly for cab control systems

Verified Equipment Compatibility

Fits Caterpillar CAT Engines:

• 3126B, 3176C, 3306, 3406E
• 3408, 3408C, 3408E, 3412D, 3412E, 3508B
• C-9, C6.6, C9, C9.3, C11, C15, C18, C27, C32

Fits Caterpillar CAT Dozers:

• D5, D5N, D5R2, D5R LGP, D5R XL
• D6, D6G2 LGP, D6G2 XL, D6GC, D6N, D6N LGP, D6N XL, D6R, D6R II, D6R III, D6R LGP, D6R STD, D6R XL, D6T, D6T LGP, D6T LGP PAT, D6T XL, D6T XL PAT, D6T XW, D6T XW PAT, D6 XE, D6XE
• D7, D7E, D7E LGP, D7G, D7G2, D7R, D7R II, D7R LGP, D7R SERIES, D7R XR
• D8, D8 GC, D8GC, D8R, D8R II, D8T
• D9, D9 GC, D9R, D9T
• D10, D10R, D10T, D10T2
• D11, D11R, D11T

Fits Caterpillar CAT Loaders:

• 953C, 963C, 973C

Fits Caterpillar CAT Pipelayers:

• 561N, 572R II, 583T, 587T, PL72, PL83, PL87

Fits Caterpillar CAT Rotary Mixers:

• RM-300, RM-500

Why Choose This Horn Switch Assembly

The horn switch assembly is a critical component of your equipment’s operator control system, providing reliable signaling for safe site communication and operation. This replacement unit delivers:

• Reliable switching performance – Consistent actuation for dependable horn operation
• Exact-fit installation – Direct replacement with correct specifications and connector configuration
• Durable construction – Built to withstand continuous use in heavy-duty construction and industrial environments
• Cost-effective solution – Premium aftermarket quality at a fraction of dealer pricing

Package Contents

1 × Horn Switch Assembly (158-6632)

Essential for equipment maintenance, switch replacement, and preventive service. Keep your Caterpillar CAT dozers, loaders, pipelayers, and engines fully operational and safe on every job site.

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