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Mishimoto 42mm Aluminum CNC Fill Neck
Mishimoto 42mm Aluminum CNC Fill Neck
Mishimoto 42mm Aluminum CNC Fill Neck
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Mishimoto 42mm Aluminum CNC Fill Neck

Marsoni M251S
Sale price$21.95
Pay 4 payments of $5.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Mishimoto 42mm Aluminum CNC Fill NeckSKU: MMFN L UPC: 748354803853 Mishimoto 42mm Aluminum CNC Fill Neck MMFN L CNC machined from solid aluminum, the Mishimoto 42mm Aluminum CNC Fill Neck delivers precise coolant filling for custom radiator builds. Designed for welding onto fabricated aluminum radiators, it ensures reliable sealing and overflow management in performance applications. Pair it with Mishimoto radiator caps for consistent pressure handling in racing or street projects. Key
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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 2179 reviews
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Product Reviews
D
Verified Purchase
Doug Caspersen
Dallas, US
★★★★★ 4
3/8" Drive 36mm Oil Filter Socket
Size: 36 mm, Color: Red
Works, but seems slightly loose on the fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
C
Verified Purchase
Countleo
Lake Worth, US
★★★★★ 5
great specialty socket
Size: 36 mm, Color: Red
well made, nice to have for my Ford 6.0L
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
B
Verified Purchase
Bob Bob
Alexandria, US
★★★★★ 5
Makes oil changes easy!
Size: 32 mm, Color: Red
Fits perfectly for oil filters used on an 8th Gen Honda Accord and a 2005 scion XA. It's easy to use and saved a lot of time. I used to have to struggle getting the oily filter out and using this tool speeds things up! Great buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 27, 2025
M
Verified Purchase
Mountain Man
Port Orchard, US
★★★★★ 5
Works great on 36mm filters
Size: 36 mm, Color: Red
Works great on gmc 3.0 diesel fuel filter
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
J
Verified Purchase
Joe Baumgartner
Los Angeles, US
★★★★★ 5
Must need socket for doing oil changes
Size: 32 mm, Color: Red
This is exactly what i was looking for. Now it makes doing my oil changes much quicker to do.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026

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