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Sierra 18-7173 O-Ring
- I.D.: 1.875" or 47.6mm
- Width: 0.135" or 3.4mm
Fits MCM/MIE GM V-6 & V-8 engine, for thermostat housing with flat cover plate
Interchangeable with:
- Chrysler/Force/US Marine
- 25-30224
- GLM
- 82250
- Johnson/Evinrude Outboard
- 310327
- Mallory
- 9-76501
- Mercruiser Stern Drive
- 25-30224Q
- 25-30224
- Mercury Marine
- 25-27018
- 25-30224
- 25-30224Q
- OMC Stern Drive
- 310327
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-7173 O-Ring
- Product MPN
- 18-7173
- Product UPC
- 808282259754
- Fast Ship
- In Stock Ships Today
- Interchangeable with:
- Chrysler/Force/US Marine 25-30224
Product Reviews
Questions & Answers
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Sierra 18-7146 O-Ring I.D.: 1.12" or 28.4mm Width: 0.100" or 2.5mm Interchangeable with: GLM 81220 Johnson/Evinrude Outboard 554545 Mallory 9-76539 Mercruiser Stern Drive 25-47632 25-864701...
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CLEARANCE
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Sierra 18-7144 O-Ring I.D.: 4.250" or 108mm Width: 0.135"or 3.4mm Interchangeable with: GLM 82440 Johnson/Evinrude Outboard 326849 OMC Stern Drive 326849
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