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Sierra 18-99519 Distributor Insulator Blocks 2-Pack

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

118-99519
5 reviews
04/25/2036 9:58 AM
Sale Price

$11.99

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-99519 Distributor Insulator Blocks are replacement ignition components designed for Mercury and Mercruiser small outboard motors. These insulator blocks provide electrical isolation within the distributor assembly, preventing voltage leakage and ensuring reliable spark delivery.

Key Features:

  • Includes 2 insulator blocks per package
  • Direct replacement for OEM part numbers 336-3981 and 994-3981
  • Precision-engineered to meet or exceed original equipment specifications
  • Durable construction designed for harsh marine environments

Compatible with Mercury and Mercruiser 4 HP 1-cylinder (1970-1975), 4 HP 2-cylinder (1966-1989), 4.5 HP 2-cylinder (1966-1989), 7.5 HP 2-cylinder (1966-1989), 9.8 HP 2-cylinder (1966-1989), and 20 HP 2-cylinder (1966-1989) outboard motors. These insulator blocks are essential components for maintaining proper ignition timing and engine performance.

Smooth simple clean ordering process. Great very competitive pricing.

When others said they could not ship the product to me, they said due to shipping restrictions, these guys could and did. Thank you.

Easy to use website. No problems at all to report.

The website is easy to use.

Great transaction

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