Sierra Thermostat Kit For Mercruiser, Part #18-3652 image number 1
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Sierra Thermostat Kit For Mercruiser, Part #18-3652

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Item #: 335625
Sierra Thermostat Kit For Mercruiser, Part #18-3652
Sierra Thermostat Kit For Mercruiser, Part #18-3652
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Minimum order quantity of 1
Maximum order quantity of 100
Must purchase in increments of 1
Shipping Restrictions
This item cannot be shipped internationally.
Return Policy

We believe in offering the very best value, quality, and selection. Plus, we want you to enjoy your purchase! In the event you wish to send a product back to us, you may return most unused items for a refund or exchange, minus shipping, within 90 days from the date of purchase unless noted below under exceptions and exclusions. Refunds are issued to the original form of payment.

Sierra parts are machined to perfectly match the OEM part they replace, which gives trained technicians and DIY mechanics the confidence they need when making necessary repairs. Parts are also designed specifically to be of marine-grade quality to resist corrosion and provide reliable operation for years.

18-3652 Applications:
• Mercruiser: 76270
470 2 BBL I/L4, 4208730 Thru 5520114, 1976-1979
470 2 BBL I/L4, 5520115 Thru 6218036, 1980-1982
470 2 BBL
485 2 BBL 224 I/L4, 5685394 Thru 6218036, 1982-1981
• Mercury: 6218037 Thru 6916778, 1983-1984
• Mercury Marine 27-89656, 27-74830
  • Replacement part perfectly matches OEM design
  • Manufactured with marine-grade materials
  • Reliable construction will resist corrosion
  • For Mercruiser engines
Unit Weight
0.16 lb
MFG Part No.