MERCRUISER THERMOSTAT Housing Gasket 27 | 33918 | 4Boats

MERCRUISER THERMOSTAT Housing Gasket 27 | 33918 | 4Boats

REC27-33918

  • Dispatched in 2-3 days
  • 30 Day Return Policy
  • Low stock - 2 items left
  • Backordered, shipping soon
Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

Regular priceΒ£5.99
/
Tax included.

Direct MerCruiser OEM 27-33918 replacement thermostat housing gasket, designed for reliable coolant sealing with durable gasket material.

  • Gasket will replace the following gaskets: Mercury MerCruiser 27-53045-1; Johnson Evinrude (OMC) 3701777 & 312797; Sierra 18-2917-9 (SM-18-2917); GM 3701777; Mallory 9-60007
  • Suitable for MerCruiser engines including 200/5.0L, 230/5.0LX GM and 260/5.7L GM (serial range 0B525982-0F600999); also fits 262 MAG/MPI
  • Also fits 4.3L, 5.0L, 5.7L, 350 MAG, 7.4L and 8.2L MerCruiser models across the listed serial ranges
  • Cross-reference: SM-18-2917 and OEM equivalents listed above
  • Part number: 27-33918
  • Simple replacement for the thermostat housing; verify engine serial number before purchase

Confirm your engine serial range or consult a technician to ensure correct fitment. See related parts in the Thermostat Gaskets collection.

For the products under Β£150 the shipping is Β£6.99.

Free delivery for the most items over Β£150.

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