96-18 Ford Mustang ROUSH 421258 Polished Billet Radiator Cap

Upgrade your Mustang with the ROUSH Radiator Cap for a sleek, durable enhancement. Precision-engineered for a perfect fit, it’s the ideal blend of style and performance.

Top Features:

  • High-quality billet aluminum
  • Polished chrome finish
  • Engraved ROUSH logo
  • Easy installation
  • Made in the USA

Vehicle Fitment:

  • Fits 1996-2018 Ford Mustang models
Vendor: Roush
SKU: RSH421258
Availability: 41 In Stock
$ 59.99 USD
On-Sale $ 59.99 USD
Normally $ 59.99 USD
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UPC: 844764004191
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Proposition65 Warning: Cancer and Reproductive Harm

ROUSH Polished Billet Radiator Cap

Elevate the performance and style of your Ford Mustang with the ROUSH Polished Billet Radiator Cap. This cap is not just a part; it’s a statement of quality and commitment to excellence. Designed for discerning Mustang owners who demand the best, this cap provides a perfect blend of form and function.

Key Features:

  • High-Quality Billet Aluminum: Crafted for durability and strength.
  • Polished Chrome Finish: Adds a sleek, mirror-like shine to your engine bay.
  • Engraved ROUSH Logo: Signifies performance and quality.
  • CNC Machined: Ensures a precise fit over your existing radiator cap.
  • Made in the USA: A product of American engineering and craftsmanship.

Benefits:

  • Enhanced Engine Bay Aesthetics: Gives your Mustang a custom, high-performance look.
  • Corrosion Resistance: Ensures longevity and maintains appearance over time.
  • Easy Installation: Can be installed quickly, without the need for specialized tools.
  • Warranty Support: Backed by a manufacturer’s warranty for peace of mind.

Product Specs:

  • Part number: 421258
  • Size: Fits over standard Mustang radiator caps.
  • Color: Polished chrome for a standout look.
  • Material: Premium billet aluminum for maximum strength.

Install Difficulty Level: Installation is a breeze, requiring no tools and can be completed in just minutes. Simply slide the cap over your existing radiator cap, secure it with the provided automotive-grade double-sided tape, and you’re done!

Vehicle Fitment: This polished billet radiator cap is designed to fit all Ford Mustang models from 1996 to 2018, ensuring a wide range of compatibility.

For any questions about this product or to report product description inaccuracies, please contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

  • A Return Authorization Number (RA #) is required for all returns. Please contact an MPT Expert to obtain an RA# before sending anything back.
  • MPT tuning charges and license fees are non-refundable. The sale is final once MPT has sent the tune file via email, which applies to both new tune purchases and tune updates.

Returnable Products:

  • Products (other than MPT Tunes) may be returned within 30 days as long as they have not been installed and are in brand new, unused condition with original packaging. Installed products are non-refundable. MPT reserves the right to deny a return if the product shows signs of installation or damage.
  • Vehicle programmers/tuners that have loaded a tune onto a vehicle cannot be returned.

Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
  • Returns postmarked between 16 and 30 days will be refunded the purchase price minus a 25% restocking fee and the shipping cost.
  • After 30 days, all sales are final.

Non-Refundable Items:

  • Shipping charges and any package insurance are non-refundable. If free shipping was applied to your purchase, the actual shipping cost will be subtracted from your refund.
  • HP Tuners Credits are non-refundable once they’ve been assigned to a device’s serial number, which occurs either during the purchase or upon completing the tune form.
  • Digital products like SCT Tuner Unlocks, HP Tuners Credits, or MPT Tunes cannot be refunded.
  • Decals/Stickers are non-refundable once received by the customer.
Year Make Model Submodel
1997-2000 Ford F-150 Base
1996 Ford F-150 Eddie Bauer
2007-2008,2010-2014 Ford F-150 FX2
2004-2014 Ford F-150 FX4
2000-2003,2006-2008,2010-2012 Ford F-150 Harley-Davidson Edition
2001-2003,2005-2014 Ford F-150 King Ranch
1997-2014 Ford F-150 Lariat
2011 Ford F-150 Lariat Limited
1999-2003 Ford F-150 Lightning
2008,2013-2014 Ford F-150 Limited
2009-2014 Ford F-150 Platinum
1996 Ford F-150 Special
2004-2014 Ford F-150 STX
2010-2014 Ford F-150 SVT Raptor
2008 Ford F-150 THE 60TH ANNIVERSARY EDITION
1996-2014 Ford F-150 XL
1996-2014 Ford F-150 XLT
1996-2014 Ford Mustang Base
2012-2013 Ford Mustang Boss 302
2008-2009 Ford Mustang Bullitt
1996-2014 Ford Mustang GT
2001 Ford Mustang GT Bullitt
2003-2004 Ford Mustang Mach 1
2007-2008 Ford Mustang Shelby GT
2007-2014 Ford Mustang Shelby GT500
2008-2009 Ford Mustang Shelby GT500KR
1996-1999,2001,2003-2004 Ford Mustang SVT Cobra
2003 Ford Mustang SVT Cobra 10th Anniversary
2000 Ford Mustang SVT Cobra R

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