RATIONAL 40.03.984

Marsoni

M251S

$151.52

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

RATIONAL 40.03.984Description: TRANSFORMER F. COOLING FAN FOR RATIONAL Fits Brand: RATIONAL Manufacturer part number: 40. 03. 984 Use this part in your RATIONAL food service equipment. This part is covered by manufacturer warranty. OEM part numbers are used for reference only, see our Term Of Service for more detailsKeywords: 4003984

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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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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

Lake Worth, 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

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