★★★★★ 5
N54 engine — it fit absolutely perfectly.
N54 engine — it fit absolutely perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
WSM Mercury Mariner 150/200 HP V6 Oil Injection Block Off Plug 825-500, 43453T
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Mercury Mariner 150/200 HP V6 Oil Injection Block Off Plug 825-500, 43453TITEM#: 825 500 BLOCK OFF PLUG, OIL INJECTION MERCURY MARINER 150 200 HP V6 OEM#: 43453, 43453T BRAND: WSM FITMENTS: Make Model Year(s) Mariner ALL Mercury 6 Cyl 3. 125 Bore 2L 150 1978 1985 Mercury 6 Cyl 3. 375 Bore 2. 4L 200 1978 1982 Mercury 6 Cyl 3. 375 Chrome Bore 2. 4L 200 For more information on our policies please click the Shipping and Payments tab or to ask a question click our store name for our home page.
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Your WSM Mercury Mariner 150/200 HP V6 Oil Injection Block Off Plug 825-500, 43453T orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 464 reviews
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Product Reviews
★★★★★ 5
Works well
This works as a fancy oil cap remover. I wish my oil cap looked this nice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2025
★★★★★ 3
Well built
Well made product. I have an volvo xc60 and it fits the oil filter housing perfectly but because of its thickness, there's some interference with the heat shield or it could be part of the skid plate assembly that is next to the filter housing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2025
★★★★★ 5
Fast delivery and good quality part
Good quality snug fit. Works as should.
Only issue I had was whe tightening oil cap back on the 18 ft-lb torque made this part slip.
I used material to get a better grip and torqued slow but it still slip before the torque gauge read 18.5
No leaks! So it’s all good 😊
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
Fit like a glove
After going to 3-4 different auto places with no luck Amazon saved the day
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
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