







HiFeedor 75692Q2 Thermostat Kit for Marine V6 135-200HP | 143°F Replacement (2-Pack)
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Description
xOverview
The HiFeedor 75692Q2 Thermostat Kit delivers a practical, two-piece upgrade for modern marine V6 engines in the 135–200 HP range. Designed around a stable 143°F operating threshold, this kit aims to help your cooling system maintain a consistent temperature during routine cruising, fishing, or family outings. By consolidating two thermostats into one kit, it streamlines service and reduces downtime when a replacement is needed.
Each thermostat is crafted to fit within common marine cooling layouts, offering a straightforward path to restore predictable cooling performance without guesswork. While performance can vary with engine condition and installation, this kit provides a solid option for keeping your motor within its comfortable thermal zone on the water.
What's Included
- 2 thermostats for a complete replacement set
Compatibility and Replacement Notes
- FITS: V‑6 135–150HP engines (S/N A904646 and later), V‑6 175HP (S/N C100861 and later), and V‑6 200HP (S/N 6435503 and later).
- RATED TEMPERATURE: 143°F, designed to support steady cooling performance under typical boating loads.
- REPLACEMENTS: Compatible with GLM 13340, 30610, 75692Q2, 75692Q 2, 27-62386, 27-62386001, Evinrude 310058, Mallory 9-60002.
- NOTE: Will not fit DFI Optimax motors.
Why Choose HiFeedor
Two thermostats in one kit reduce service steps and minimize downtime. The components are designed to withstand marine conditions and deliver consistent performance across typical operating cycles. The 143°F spec offers a balanced approach to cooling, potentially helping to avoid overheating during high-demand use, without making guarantees about outcomes.
Installation and Care
- Verify engine model and serial compatibility before purchase.
- Power down the vessel and follow standard procedures when replacing thermostats.
- Inspect hoses and clamps for wear and replace as needed after installation.
If you encounter any issues with the product, please contact us for assistance. We’re ready to help you solve the problem promptly.
FAQ
Q: What engines is the 75692Q2 Thermostat Kit compatible with?
A: Designed for V-6 marine engines 135–200 HP, with 143°F thermostats and replacements for GLM 13340 and related parts.
Q: What should I know about installation and fitment?
A: Includes 2 thermostats; not suitable for DFI Optimax motors; verify engine model/serial before purchasing.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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