• Shift Interrupt Switch Mercruiser 87-814281A5 - 1 - XRmarine
  • Shift Interrupt Switch Mercruiser 87-814281A5 - 2 - XRmarine
  • Shift Interrupt Switch Mercruiser 87-814281A5 - 3 - XRmarine
  • Shift Interrupt Switch Mercruiser 87-814281A5 - 4 - XRmarine
  • Shift Interrupt Switch Mercruiser 87-814281A5 - 5 - XRmarine
  • Shift Interrupt Switch Mercruiser 87-814281A5 - 6 - XRmarine
  • Shift Interrupt Switch Mercruiser 87-814281A5 - 7 - XRmarine
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Shift Interrupt Switch MerCruiser Alpha 1 Bravo 3.0-5.7L 87-814281A5

Shift Interrupt Switch MerCruiser Alpha 1 Bravo 3.0-5.7L 87-814281A5

$18.99 USD
$24.99 USD $18.99 USD
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Shipping calculated at checkout.

Product Overview

Shift interrupt switch for Mercruiser Alpha One and Bravo sterndrives. Ensures smooth shifting by momentarily cutting ignition during gear changes. Compatible with 3.0L through 5.7L engines.

OEM Part Numbers

  • Mercruiser: 87-814281A5

Compatible Applications

  • Mercruiser Alpha One Gen 1 & Gen 2
  • Mercruiser Bravo I, II, III
  • Mercruiser 3.0L, 4.3L, 5.0L, 5.7L

Package Includes

  • 1 x Shift Interrupt Switch

Before You Buy

Please verify your sterndrive model and serial number. Contact us for fitment confirmation.

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Boat Owners' Review

4.92 ★ (12)
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Before You Buy

Frequently Asked Questions

What is your refund policy?

We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.

See our full Refund Policy for complete details.

How does shipping work?

Free international shipping on every order — no minimums. We operate a global warehouse network with a main distribution centre in Asia (10-20 business days). We also hold stock in regional warehouses across the United States, Germany, the United Kingdom, Australia, and Poland (opening soon) — most orders arrive in 1-3 business days within those countries and in 2-8 business days to nearby regions. Tracking included.

See our full Shipping Policy.

How do you keep prices fair?

We cut out the middlemen. XRmarine sources directly from quality manufacturers and sells at honest prices. Same OEM-quality parts, no dealership markup. Every order comes with free shipping, real expert support, and a 1-year warranty.

Learn more on our About Us page.

What payment methods do you accept?

We currently accept PayPal — a fast, secure way to pay online. Credit card payments (Visa, Mastercard, American Express) and Shopify Payments are being set up and will be available soon. We appreciate your patience.