We’re on vacation. Orders are still welcome! We’ll return and begin shipping orders on October 12, 2026. Thank you for your patience.
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We’re on vacation. Orders are still welcome! We’ll return and begin shipping orders on October 12, 2026. Thank you for your patience.
Cart 0
Replacement spark plug compatible with Westerbeke 033805 for selected BCG and BTG marine gasoline generators
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Westerbeke 033805 Spark Plug – Marine Gasoline Generator

$9.99

Replacement spark plug for compatible Westerbeke marine gasoline generators. References Westerbeke part 033805 for the BCG and BTG models listed below.

Product Details

• Part number: 033805
• Quantity: 1 spark plug
• Sold individually

Compatible Westerbeke Models

• 4.5 BCG — 60 Hz
• 3.4 BCG — 50 Hz
• 3.5 BCG — 50 Hz
• 6.5 BCG
• 8.5 BTG
• 12.5 BTG
• 15.0 BTG

Fitment

Confirm your generator model and specified spark plug number before ordering. Set the spark plug gap and installation torque according to your model’s service manual.

The 4.5 BCGA and 3.4 BCGA use a different base engine and specify spark plug 038568.

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