Cdi Electronics Mercury Trigger 4 Cylinder - Cdi Electronics (134-9021-4)

SKU: QBP199514   Model: 134-9021-4   Barcode: 736983851574
Regular price $127.86 USD
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The following 4-cylinder engines are compatible with the CDI Electronics 134-9021-4 Mercury/Mariner Trigger: 80 JET, 100, 115, and 125 HP. The part numbers were replaced: 99021A 2, 99021A 6, and 99021K 2. The CDI identifies the most frequent reasons for component failure and creates replacements that are superior to the original. Mercury Marine Original Factory Triggers Your outboard trigger signals when to "fire" to the switch box. Your flywheel's inner ring features magnets that pass through near the trigger coils. The trigger transmits a low voltage "signal" to the switch box each time they move through. The trigger informs the CDI unit (power pack or switch box) when to release voltage to the coil by sending a signal.

Key Features:

  • For use in a marine setting, this device is well-designed.
  • It is a trigger for outboard CDI Electronics.
  • The trigger on this device has a hooked linkage arm.
  • Application: Mariner/Mercury.
  • To ensure a correct fit for your application, please carefully review the manufacturer's suggested component numbers.

Product Details:

  • SKU: 134-9021-4
  • UPC: 736983851574
  • Weight: 0.50 LBS


1988-1997 (80 JET,100,115 & 125HP)

This product replaces:

  • 667-13490214
  • 736983851574
  • 99021A2
  • 99021K2
  • 99021A6

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Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.

To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.

We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.

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