Quicksilver by Mercury, Thermostat Kit

Thermostat Kit
SKU: 294258
Mfg# 99155T1
UNIT: Each
In Stock - Ships out in 1 Business Day


Quicksilver 99155T1 Marine Boat Replacement Thermostat

Thermostat 991551T1 is L98for 1998 and newer MerCruiser marinized V-6 and V-8 engines made by General Motors using closed cooling systems and requiring the use of the 160 F degree thermostat. It is a 160 F degree thermostat. The kit includes the thermostat and seal. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.
  • Easy to replace with common tools.See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat.
  • 160 F degree thermostat and seal.
  • Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive
  • Country of Origin: United States
  • Weight:0.2



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The length of the warranty may vary by product, please refer to your product for the exact terms and conditions of the warranty for your purchase.


  • All returns must be recevied within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.