Thermostat, Temperature Rating 140 Deg F, Meets Or Exceeds Manufacturer Specs
4.8 · 6 reviews
SKU: 18-3550

Thermostat, Temperature Rating 140 Deg F, Meets Or Exceeds Manufacturer…

$44.99
FREE delivery
Description

ABOUT THIS PRODUCT

Temperature Rating: 140 Deg F. Fits: MerCruiser 120/2.5L (s/n 2324347 & Up) w/cast iron exhaust manifolds. Fits: Mercruiser 140-3.0L (s/n 0L340999 & below) and 165. Premium quality for longer life. Meets or exceeds manufacturer specs. Backed by Sierra's limited lifetime warranty

Product Features:
  • Temperature Rating: 140 Deg F
  • Temperature Rating:á140 Deg F
  • Fits: MerCruiser 120/2.5L (s/n 2324347 & Up) w/cast iron exhaust manifolds
  • Fits:áMerCruiser 120/2.5L (s/n 2324347 & Up) w/cast iron exhaust manifolds
  • Fits: Mercruiser 140-3.0L (s/n 0L340999 & below) and 165
  • Fits:áMercruiser 140-3.0L (s/n 0L340999 & below) and 165
  • Premium quality for longer life
  • Meets or exceeds manufacturer specs
  • Backed by Sierra's limited lifetime warranty
Specifications
Brand
Sierra (466)
SKU
18-3550
Product type
Automotive
Guides & Resources
User Guide
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

View full returns policy

Customer Reviews

4.8

Based on 6 reviews

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41
30
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10
R
Riley N. Verified Buyer
06/08/2025

No complaints

Quick delivery and the product exceeded my expectations.

M
Maria K. Verified Buyer
08/17/2025

Would buy again

Does what it is supposed to do. Happy with this purchase.

T
Ted R. Verified Buyer
02/03/2025

Works perfectly

Setup was simple and it has worked reliably since day one.

P
Pat M. Verified Buyer
11/28/2025

Better than expected

Reliable product and smooth buying experience on this site.

C
Chris W. Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

J
Jordan L. Verified Buyer
04/15/2025

Very happy with this

Packaging was secure and the item was in perfect condition.

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