Skip to product information
Stationary Floating Dock Backer Plates 5x5 Heavy Duty Galvanized Steel 4 Pack
$43.89
Sale price
$43.89
Regular price
Quantity
Pickup currently not available
Secure Checkout • Encrypted Payments
Free Shipping
Contiguous U.S.
1-Year Warranty
Parts you can rely on
30-Day Returns
Hassle-free returns
Need help confirming fitment?
Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Equipment Fitment
Review the equipment and model information below. Fitment can vary by serial number, production date, or machine configuration, so confirm your model and reference numbers before ordering.
Equipment / model
- Compatible with MerCruiser 3.0L, 4.3L, 5.0L, 5.7L, 6.2L engines
- Fits select MerCruiser Alpha One, Bravo One, Bravo Two, and Bravo Three drives
- Replaces OEM part numbers 807252Q5 and 23-806922
Product Overview
This MerCruiser thermostat with sleeve kit regulates engine coolant temperature at 160������F, ensuring optimal operating conditions for marine engines. Designed for direct replacement, it maintains consistent cooling system performance in inboard and sterndrive applications.
Key Features & Performance
- 160������F opening temperature for efficient engine warming and cooling
- Includes thermostat, sleeve, and gasket for complete installation
- Precision-machined brass and stainless steel construction resists corrosion
- Direct OEM replacement eliminates guesswork and modification
- Rigorous quality testing ensures reliable long-term operation
Common Uses
- Replacing a stuck-open or stuck-closed thermostat in MerCruiser marine engines
- Restoring proper engine temperature regulation after overheating or poor performance
- Annual cooling system maintenance for freshwater and saltwater boats
- Rebuilding a MerCruiser cooling system during engine overhaul
Technical Specifications
- Temperature Rating: 160������F
- Material: Brass and stainless steel
- Part Number(s): 807252Q5, 23-806922
Frequently Asked Questions
Q: Will this thermostat fit my MerCruiser 4.3L? A: Yes, it fits most MerCruiser 4.3L engines using the standard thermostat housing. Check your engine serial number for confirmation.
Q: Does the kit include the gasket and sleeve? A: Yes, the kit comes with the thermostat, sleeve, and necessary gasket for a complete install.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.