V8 MARINE TUNE-UP KIT
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SIERRA

V8 MARINE TUNE-UP KIT

Product Code: SIE18-5273

Upgrade your Mercruiser V8 engine with the Sierra 18-5273 Tune Up Kit, designed for Thunderbolt HEI ignition systems.

  • Compatible with Mercruiser V8 engines using Thunderbolt HEI ignition
  • OEM replacement for Mercury part numbers 805759Q3 and 805759T3
  • Reliable performance and easy installation
  • Ideal for routine maintenance and improved engine efficiency

Choose Sierra for quality marine engine parts you can trust.

$59.99
Suggested Retail Price: $90.98
35% discount
Warehouse Qty Avail. Availability
Entrepot 17 In Stock
Vaudreuil 2 In Stock

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