Casper's Electronics Audible Knock Indicator

New, unused audible knock alert module still in its original vintage packaging. A rare find for Turbo Buick enthusiasts who want a period-correct add-on, a backup knock-monitoring solution, or a collectible NOS accessory. Packaging shows age, but the unit itself has never been installed.

🔵 Blue Dot: Brand new, and/or possibly only open-box items that are ready to roll. Original packaging might not make the cut, but the quality is spot-on. Save 10 to 25% off retail. 

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The Fine Print All Sales Final: No take-backs, refunds, or exchanges. 

As-Is Condition: We inspect every part before it hits the listing, but we recommend you double-check compatibility with your project. 

Your Acknowledgment: By purchasing from Turbo 6 Parts, you agree to these terms.

Specifications:
• Type: Audible Knock Indicator Module
• Function: Provides an audible alert when engine knock is detected
• Wiring: New, unused three-wire pigtail (pink, yellow, black)
• Mounting: Compact metal housing with rear speaker/buzzer
• Fitment: Universal — commonly used on 1986–1987 Buick Turbo V6 applications
• Includes: Original blister-pack packaging (aged, worn, and partially yellowed)

Condition Notes:
• Item is brand new, never installed
• Wiring and terminals untouched
• Housing and buzzer face show minor cosmetic aging from storage only
• Packaging shows heavy aging, discoloration, and handling wear
• NOS condition — functional history untested due to never being used

Why You Want It:
A clean, unused vintage knock alert module is rare. Ideal for collectors, restorations, or anyone wanting a simple audible safety device to help protect their Turbo Buick during spirited driving or tuning. A perfect period-correct accessory that blends nostalgia with functionality.

⚠️ All Turbo 6 Parts are sold as-is with no returns, refunds, or exchanges. Buyer is responsible for verifying compatibility before purchase.