Transmission Oil Cooler - 18-2587 - Sierra
Price: $137.19
Save: $42.30
(23% Off $179.49)
Part # 18-2587
2nd Day Air for $2.99 More Eligible
This item is found in the following Product Families
Replaces OEM part #
  • Mercury Marine 99356A2
  • 6" tube bundle, overall length 8", 1 1/4" water inlet and outlet
  • Shipped bare metal, ready for primer and factory paint finish
Average Customer Review for Transmission Oil Cooler - 18-2587 - Sierra
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Sierra oil cooler
by William from Theodosia, Missouri on August 07, 2013
Product fit and performed perfectly. Comes unpainted but cost is reasonable. Very pleasantly satisfied
(2 of 2 people found this review helpful)
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What is the difference between part number 18–2588 versus 18–2589?
18-2588 has a hose connection size of 1-1/4" and 18-2589 has a 1". 18-2588 also is 10" overall length, 18-2589 is 9".

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