★★★★★ 4
Good fit
Worked well with no problems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
WSM Thermostat Housing Assembly Mercury 3.4L - 4.6L Verado - 775-70, 8M0137816
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Thermostat Housing Assembly Mercury 3.4L - 4.6L Verado - 775-70, 8M0137816Item#: 775 70 Thermostat Housing Assembly Mercury 3. 4L 4. 6L Verado OEM#: 8M0137816, 8M0162139 Details: 60C 140F Brand: WSM FITMENTS: Make Model Year(s) Mercury 6 Cyl 4 Stroke 200 2019 2021 Mercury 8 Cyl 4 Stroke 250 2019 2021 Mercury 8 Cyl 4 Stroke 300 2019 2021 Note: 60C 140F Details: 60C 140F
Quick Dispatch:
Your WSM Thermostat Housing Assembly Mercury 3.4L - 4.6L Verado - 775-70, 8M0137816 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your WSM Thermostat Housing Assembly Mercury 3.4L - 4.6L Verado - 775-70, 8M0137816 ships.
Need Help?
Questions about WSM Thermostat Housing Assembly Mercury 3.4L - 4.6L Verado - 775-70, 8M0137816, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for WSM Thermostat Housing Assembly Mercury 3.4L - 4.6L Verado - 775-70, 8M0137816 in your area.
Get Shipping Estimates
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
You may also like
WSM Johnson 8-15 HP Impeller 700-510, 17461-92D01, 17461-92D02, 5033112
13.91
JOHNSON EVINRUDE POWERHEAD REBUILD KIT 18-35 HP CROSS FLOW 1981-'05 -100-103-10
199.60
WSM Sprocket, Rear Honda 250 - 450 - RSH-016-40
32.00
WSM Cable, Clutch Suz 650 DR 96-24 - 61-558-05, 58200-32E00, 58200-32E01
22.17
WSM Cable, Clutch Yamaha 450 YZ-F 10-13 - 61-541-02, 33D-26335-00-00
20.05
WSM YAMAHA 700 GRIZZLY / RAPTOR / VIKING / RHINO TOP END GASKET KIT ATV 29-530
81.00
Protorque Volvo Relay 12V 30Amp - PH360-0004, 876040-7
18.97
4.2 ★★★★★
Based on 2345 reviews
Sort
Product Reviews
★★★★★ 5
Great replacement kit
Called around for quotes to get them replaced and everyone was quoting over $2k just for bellows. Figured I’d give it a try. The rubber is good quality and feels soft. Time will tell but this is an easy job if you’re mechanically inclined. Make sure you replace the plastic water pickup fitting while you’re at it. Found mine to be cracked on disassembly and had to wait for a new one. Should be a easy 3-4 hour job if your not doing the bearing and only doing bellows
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2024
★★★★★ 3
Just ok
Qualities OK, but for Marine applications might want better
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2025
★★★★★ 5
Great quality
Just as described.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2025
★★★★★ 5
Bellows kit review initial inspection’s
Very good quality. The hose clamps were event the better ones you have to pay extra in most cases.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2025
