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Genuine OEM Motorcraft RS90 Ford F4TZ8100B Radiator Cap - Picture 1 of 4
Genuine OEM Motorcraft RS90 Ford F4TZ8100B Radiator Cap - Picture 2 of 4
Genuine OEM Motorcraft RS90 Ford F4TZ8100B Radiator Cap - Picture 3 of 4
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Radiator Cap Motorcraft RS-90

4.9315 product ratings
Overstock Direct (41559)
100% positive feedback
Price:
$11.05
Free shipping
Estimated delivery Sat, Oct 4 - Wed, Oct 8
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New
MPN RS90 F4TZ8100B. OEM # RS90 F4TZ8100B. Other # RS90 F4TZ8100B. Always buy OE RS90. They will fit, function and last longer. The professionals always prefer to use OEM RS90. We cannot take back installed or tried parts.

About this product

Product Identifiers

BrandMotorcraft
Manufacturer Part NumberRS-90
eBay Product ID (ePID)74539517

Additional Product Features

NotesDescription--Radiator Cap
Sub TypeRadiator Cap
Part TypeRadiators, Coolers and Related Components

All listings for this product

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listings for this product

Ratings and Reviews

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4.9
15 product ratings
  • 14 users rated this 5 out of 5 stars
  • 1 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by kallen38
    May 24, 2023

    Good quality

    Not much to say that's glamorous about a radiator cap but it is of good quality, fit perfect and works as it should. It does look better than the all metal cap it replaced.

    Verified purchase: YesCondition: New

  • by rcdude72
    Nov 22, 2017

    Rs90 cap

    Work fine other than someone put sticker on wrong so the "arrow" doent line up with the overflow tube on the radiator .

    Verified purchase: YesCondition: New

  • by dirtyoldm
    Jul 24, 2018

    Standard replacement radiator cap, works fine.

    After 2 weeks, works fine.

    Verified purchase: YesCondition: New

  • by doctorkarina
    Sep 03, 2019

    thanks

    it wis exactly what i needed

    Verified purchase: YesCondition: New

  • by kastur_5171
    Mar 17, 2021

    radiator cap

    Thank you working fine

    Verified purchase: YesCondition: New

  • by jdeere53
    Jul 19, 2020

    would deal again

    fits perfect

    Verified purchase: YesCondition: New

  • by badasspat
    Mar 27, 2020

    Good cap overall

    Good cap but the arrows don’t line up

    Verified purchase: YesCondition: New

  • by ng79n_12
    Jul 07, 2025

    Happy with item

    Happy with item

    Verified purchase: YesCondition: New

  • by nvabear1
    May 13, 2024

    Perfect fit

    Perfect fit

    Verified purchase: YesCondition: New

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