Horn Switch Assembly 158-6632 1586632 Fits for Caterpillar CAT Engine 3126B 3408E 3306 3508B C9 C18 C6.6 Loader 953C 963C 973C Replacement
Horn Switch Assembly 158-6632 1586632 Fits for Caterpillar CAT Engine 3126B 3408E 3306 3508B C9 C18 C6.6 Loader 953C 963C 973C Replacement is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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Expert support & Fitment Guarantee
Compatibility Information
| Part Number | 158-6632 |
|---|---|
| Make | Fits Caterpillar |
| Model | D5, D5N, D5R, D6, D6N, D6R, D6T, D7G, D7R, D7E, D8R, D8T, D9R, D9T, D10R, D10T, D11R, D11T, PL72 |
Description
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.
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Frequently Asked Questions
Do you ship to the UK?
Yes, we ship to mainland UK, Scotland, Wales, and Northern Ireland. Shipping rates and estimated delivery times are displayed at checkout.
Will I be charged import duties or VAT?
Our prices do not include VAT or import duties. UK and European customers are responsible for any applicable import taxes, VAT, and customs fees charged upon entry into their country. These charges vary depending on the commodity code, order value, and destination country. We recommend checking with your local customs authority or HMRC (for UK customers) before placing your order.
How long will delivery take to the UK?
Standard delivery to UK addresses is typically 4–7 business days from dispatch. Express options may be available at checkout. Customs clearance can add 1–3 additional business days in some cases.
Are your parts compatible with UK and European specifications?
Many of our engine, hydraulic, and powertrain components are compatible with EU and UK-market machines. Please verify the part number against your OEM manual or machine serial plate before ordering. Contact us with your machine make, model, and serial number if you need fitment confirmation.
What currency will I be charged in?
UK customers are billed in GBP (£).
What is your returns policy for UK orders?
We accept returns within 30 days of delivery for unused parts in original packaging. UK customers are protected under the Consumer Contracts Regulations 2013, which grants a 14-day right to cancel an order before it has been dispatched. Once an order has been fulfilled and shipped, standard return terms apply. Return shipping costs for non-defective items are the buyer's responsibility.
How do I verify a part number before ordering?
Each listing includes part numbers and compatible machine models. Cross-reference with your OEM workshop manual, or contact our technical team via the contact form with your machine make, model, year, and serial number.
Do you offer trade accounts for UK buyers?
Yes. UK trade customers can apply for a B2B account to access volume pricing and dedicated account support.
What payment methods do you accept?
We accept all major credit and debit cards including Visa, Mastercard, and American Express. We also support PayPal, Apple Pay, and Google Pay at checkout. For B2B and trade customers, bank transfer (BACS) and net payment terms may be available upon account approval — please contact us to discuss your requirements.
