Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8

Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8

$26.99
$26.99 $39.99
Skip to product information
Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
  • Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8
Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8

Thermostat Kit 160° with Housing Sleeve & Gaskets for MerCruiser 4.3L 5.0L 5.7L 7.4L 8.2L Engines 1987-2016 - Replaces 807252Q5, 18-3647, 807252T8

$26.99
$26.99 $39.99
FREE shipping on orders over $35· add $8.01 moreShips from West Long Branch, NJ. Typically arrives in 3–7 business days.
30-day returnsChanged your mind? Send it back within 30 days. Return policy
Secure checkoutQuestions? Call 1-888-460-3822 · Mon–Fri 9–5 ET

Key features

  • Comprehensive Compatibility：Designed for 1987-2016 MerCruiser V-6 & V-8 GM inboard/outdrive engines, including 4.3L, 5.0L, 5.7L, 7.4L, and 8.2L models. Fits Sterndrive engines such as Alpha/Bravo, MAG, MPI, MIE, and Gen II/VI series.
  • Direct OEM Replacement：Replaces part numbers: Mercruiser 807252Q5, 807252T8, 807252T5, 23-806922, 8M0109441; Sierra 18-3647; GLM 13101; Mallory 9-43157, and more. Ensure compatibility by verifying your engine’s model, serial number, and HP.
  • Durable & Precision-Engineered Components：Features a 160°F brass thermostat for optimal engine temperature control, improving fuel efficiency and performance. Includes a high-strength housing sleeve and fiber-reinforced gaskets for superior sealing and oil resistance.
  • Important Fitment Guidance：To ensure correct fit,check the product description and images for additional compatibility information.

Free shipping included. 30-day hassle-free returns.

More in Sterndrive & Inboard Parts

1430 products · See all Sterndrive & Inboard Parts →

Fuel Pressure Regulator for Volvo Penta MerCruiser 4.3L 5.0L 5.7L 6.2L Fuel Pressure Regulator for Volvo Penta MerCruiser 4.3L 5.0L 5.7L 6.2L
-24%$ 27 99
List: $36.99
FREE shipping on orders over $35
PHILTOP Electric Fuel Pump Assembly FG1646 Fit for BMW X3 X4 PHILTOP Electric Fuel Pump Assembly FG1646 Fit for BMW X3 X4
-37%$ 136 99
List: $217.99
FREE shipping on this item
JEENDA Fuel Pressure Regulator 3858967 2149831 885174 Compatible with Volvo Penta 4.3 5.0 5.7 and Mercruiser JEENDA Fuel Pressure Regulator 3858967 2149831 885174 Compatible with Volvo Penta 4.3 5.0 5.7 and Mercruiser
-41%$ 21 99
List: $36.99
FREE shipping on orders over $35
The ROP Shop Electric Fuel Pump for Volvo Penta 1996 5.0FIPNCMCE, 5.0FIPNCSCE, 5.0FLPNCA The ROP Shop Electric Fuel Pump for Volvo Penta 1996 5.0FIPNCMCE, 5.0FIPNCSCE, 5.0FLPNCA
-35%$ 102 99
List: $158.99
FREE shipping on this item
Yezoauto High Pressure Fuel Pump for Volvo Penta OMC 4.3 5.0 5.7 Engine 1992-2006 replacing 3857650 3855958 988037 18-7330 Yezoauto High Pressure Fuel Pump for Volvo Penta OMC 4.3 5.0 5.7 Engine 1992-2006 replacing 3857650 3855958 988037 18-7330
-25%$ 95 99
List: $127.99
FREE shipping on this item
BB Fuel Pressure Regulator for Volvo Penta and Mercruiser 4.3, 5.0, 5.7 BB Fuel Pressure Regulator for Volvo Penta and Mercruiser 4.3, 5.0, 5.7
-34%$ 44 99
List: $67.99
FREE shipping on this item
Water Pump Impeller Kit for Volvo Penta 3.0 4.3 5.0 5.7 W Lug 21213660 Water Pump Impeller Kit for Volvo Penta 3.0 4.3 5.0 5.7 W Lug 21213660
-40%$ 110 99
List: $184.99
FREE shipping on this item
LSSOCH New Thermostat Housing 3850360 0987716 0986292 0985880 0910179 Compatible With Volvo Penta V8 V6 4.3 5.0 5.7 7.4 8.2 4.3L 5.0L 5.7L 7.4L Engine LSSOCH New Thermostat Housing 3850360 0987716 0986292 0985880 0910179 Compatible With Volvo Penta V8 V6 4.3 5.0 5.7 7.4 8.2 4.3L 5.0L 5.7L 7.4L Engine
-31%$ 243 99
List: $353.99
FREE shipping on this item