Thermostat Kit 

Key Features:

  • 160°

Additional Details:

  • Fits: GM V-6 & V-8 engines with closed cooling (1998 & newer)

Interchanges/Replaces

Mercruiser Stern Drive

  • 99155T1

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-3555GLM
  • 13040
Mallory
  • 9-43001
  • 9-43016
Mercruiser Stern Drive
  • 991551
  • 99155A1
  • 99155T2
1Thermostat N/A
18-1508GLM
  • 85860
Mercruiser Stern Drive
  • 25-807134
  • 25-8071341
1Thermostat Seal N/A
MSRP: $22.95
Your Price: $21.99
You Save: 4% off MSRP!

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