Koyo 10-14 Mazda Mazda3/Mazdaspeed3 2.3L/2.5L I4 Radiator

Koyo 10-14 Mazda Mazda3/Mazdaspeed3 2.3L/2.5L I4 Radiator

Marsoni

M251S

$266.70

Get it in 3 business days with 1 day shipping. Friday, May 29

Koyo 10-14 Mazda Mazda3/Mazdaspeed3 2.3L/2.5L I4 RadiatorKoyo 10 14 Mazda Mazda3 Mazdaspeed3 2. 3L 2. 5L I4 Radiator This Part Fits: Year Make Model Submodel 2010 2013 Mazda 3 i 2010 2013 Mazda 3 Mazdaspeed 2010 2013 Mazda 3 S

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Ran this for 5k and did oil analysis. It performed identically to Mobil 1 ESP 5w30. No issues, stayed in grade, nothing negative. That said, it was no better than ESP and wear metals were functionally the same as multiple other similar rated oils. It’s perfectly fine, but not better. It’s a great value. I wouldn’t use it for extended oil change intervals. No oil consumption noted.

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Reviewed in the United States on March 23, 2026

Verified Purchase

Carol

Louisville, US

★★★★★ 5

Great oil

Size: 1 Quart Pack of 6

Love it.

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Reviewed in the United States on April 18, 2026

Verified Purchase