reCAPTCHA script loading
1. grecaptcha.ready() fired, calling

   grecaptcha.execute('6Ldcnt0eAAAAAGkkIanGcfY-sQKxIWT66cXb0WwC', { action: 'part_details' })'

2. Received token from reCAPTCHA service, sending to our backend with:

   fetch('/recaptcha-v3-verify.php?token=abc123

3. Received response from our backend:

   { "json": "from-backend" }

• Home
• Parts
• 18-3647 - Thermostat Kit, 160 Degrees, 807252Q5

18-3647 - Thermostat Kit, 160 Degrees, 807252Q5

List Price $40.39	Your Price $37.12 You save $3.27
Part Number 18-3647	Manufacturer Sierra Marine

10+ In Stock.

SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

18-3647 - Thermostat Kit Replaces:  Mercrusier #807252Q5

CONTAINS:

Part #     Description         O.E.#
18-3649 Thermostat 807252-2
18-2844 Thermostat Cover Gasket 27-48818-1
18-2552 Thermostat Cover Gasket 27-33179-2
18-2553 Thermostat Cover Gasket 27-47510
18-7173 O-Ring 25-30224
18-2917 Thermostat Housing Gasket 27-53045-1, 27-33918

Sierra Marine 18-3647 - Thermostat Kit, 160 Degrees, 807252q5 is equivalent to parts:

• 18-3647D Sierra Marine
• 807252Q5 Mercury Marine
• 807252T 5 Mercury Marine
• 807252Q 5 Mercury Marine
• 9-43157 Mallory Marine

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.

List Price
$40.39

Your Price
$37.12
You save $3.27

10+ In Stock.

SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
18-3647

Manufacturer
Sierra Marine

18-3647 - Thermostat Kit Replaces:  Mercrusier #807252Q5

CONTAINS:

Part #     Description         O.E.#
18-3649 Thermostat 807252-2
18-2844 Thermostat Cover Gasket 27-48818-1
18-2552 Thermostat Cover Gasket 27-33179-2
18-2553 Thermostat Cover Gasket 27-47510
18-7173 O-Ring 25-30224
18-2917 Thermostat Housing Gasket 27-53045-1, 27-33918

 

Sierra Marine 18-3647 - Thermostat Kit, 160 Degrees, 807252q5 is equivalent to parts:

• 18-3647D Sierra Marine
• 807252Q5 Mercury Marine
• 807252T 5 Mercury Marine
• 807252Q 5 Mercury Marine
• 9-43157 Mallory Marine

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.

18-3647 - Thermostat Kit, 160 Degrees, 807252Q5 0.5400 0.5400 lb Sierra Marine 18-3647 18-3647 - Thermostat Kit Replaces: Mercrusier #807252Q5 CONTAINS: Part # Description O.E.#18-3649 Thermostat 807252-218-2844 Thermostat Cover Gasket 27-48818-118-2552 Thermostat Cover Gasket 27-33179-218-2553 Thermostat Cover Gasket 27-4751018-7173 O-Ring 25-3022418-2917 Thermostat Housing Gasket 27-53045-1, 27-33918 37.12