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Cap and Rotor Kit for MerCruiser Thunderbolt HEI V8 Replaces 18-5273, 805759Q3

Cap and Rotor Kit for MerCruiser Thunderbolt HEI V8 Replaces 18-5273, 805759Q3

Regular price £37.00 GBP
Regular price Sale price £37.00 GBP
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One New Aftermarket Replacement Distributor Cap and Rotor Kit for MerCruiser (Mercury Marine) Thunderbolt HEI V8 Engines

This aftermarket replacement distributor cap and rotor kit is designed for MerCruiser stern drive and inboard marine V8 engines equipped with Thunderbolt IV and V High Energy Ignition (HEI) systems. The kit includes the distributor cap, ignition rotor, and cap gasket -- everything needed to restore reliable spark delivery to your GM-based marine V8. Compatible with MerCruiser V8 engines from the early 1980s through the early 2000s, covering the popular 5.0L, 5.7L, 7.4L, and 8.2L displacements.

Kit Contents

  • Distributor Cap (male style, brass terminal inserts)
  • Ignition Rotor
  • Cap Gasket
  • Mounting Screws

Compatible Applications

Mercury Marine / MerCruiser -- Thunderbolt IV and V HEI Ignition Systems: All GM-based 5.0L, 5.7L, 7.4L, and 8.2L V8 stern drive and inboard marine engines with Thunderbolt IV or V HEI ignition systems, approximately 1981-2001. Verify fitment by confirming your OEM part number matches one of the numbers listed below.

Replaces Part Number(s):

13524T1, 18-5273, 18-5273-A, 300-03085, 300-03085-A, 4-5273, 4-5273-A, 64759K, 64759K-A, 71780, 71780-A, 805759Q, 805759Q-A, 805759Q3, 805759Q3-A, 805759T05, 805759T05-A, 805759T3, 805759T3-A, 805759T4, 805759T6, 9-29350, 9-29350-A

New aftermarket replacement part - not remanufactured, not used.

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