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Sierra Marine Thunderbolt IV HEI Distributors

3.0 out of 5 stars 2 Customer Reviews

Sierra Marine Thunderbolt IV HEI distributors are designed as a direct replacement for Mercury Thunderbolt IV ignition distributors. They use a hall effect-type sensor to trigger ignition accurately, even at low rpm. They meet or exceed SAE J1171 standards.

Results 1 - 2 of 2

Sierra Marine Thunderbolt IV HEI Distributors 18-5470

Sierra Marine Thunderbolt IV HEI Distributors 18-5470

Sierra Marine Thunderbolt IV HEI Distributors 18-5470

Distributor, Hall-Effect, Male Cap, Thunderbolt, Standard Rotating, Mercruiser, V8, Each

Part Number: RRA-18-5470

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Sierra Marine Thunderbolt IV HEI Distributors 18-5471

Sierra Marine Thunderbolt IV HEI Distributors 18-5471

Sierra Marine Thunderbolt IV HEI Distributors 18-5471

Distributor, Hall-Effect, Male Cap, Thunderbolt, Standard Rotating, Mercruiser, V6, Each

Part Number: RRA-18-5471

Not Yet Reviewed

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

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