Ford Racing 8.8 Inch 3.31 Ring Gear and Pinion

Ford Racing 8.8 Inch 3.31 Ring Gear and Pinion

Marsoni

M251S

$135.00

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

Ford Racing 8.8 Inch 3.31 Ring Gear and PinionFord Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. Installation Instructions This Part Fits: Year Make Model Submodel 1990 1997 Ford Aerostar Base 1990 1994 Ford Aerostar Eddie Bauer 1990 1994 Ford Aerostar XL 1990 1994 Ford Aerostar

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The beauty of this filter is that it comes with very clear instructions on what to do. Not a lot of manufacturers. Give clear instructions. I got this for a 2007 MDX. The packaging of the product itself was well done by Bosch. Installation was a breeze and as soon as I turned on the air conditioning post installation, I could tell the very clear difference. Plus, I also got an opportunity to look at the old filter which was filled with the usual culprits and debris. The initial airflow did have a mild smell of kerosene or like fuel. But this could also be because of the filter component itself needing to be vented out. I would recommend keeping the filter out for about 30 to 60 minutes before installation. Once installed, however, the improvement in air quality was very evident. The fit was very good as well. Highly recommend this. Very high quality.

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Reviewed in the United States on October 18, 2025

Verified Purchase

Elijah

Lexington, US

★★★★★ 5

Cheaper & Higher Quality Than OEM Filters

Size: 9.3" x 9.7" x 1.8"

This Bosch Filter costs less than an OEM Filter and is significantly better because it's a HEPA filter unlike the cheap filters that most automotive manufacturers use. Can't go wrong with this!

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Reviewed in the United States on May 26, 2026

Verified Purchase

DanF

West Palm Beach, US

★★★★★ 5

You really need to change this filter !!!!

Size: 9.3" x 9.7" x 1.8"

This is a great cabin filter for her 2013 Honda CR-V... It was relatively easy to get the glove box down just enough to allow me to get my hands on the cabin filter cover, and pull it out... It was so dirty!!! The new one immediately made the air coming into the car, so much nicer to breathe.... Great filter...Perfect fit.... Thanks, Bosch !!!

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Reviewed in the United States on February 7, 2026

Verified Purchase

Thomas Lathrop

New York, US

★★★★★ 5

Good deal

Good price for a good starter, arrived quicker than anticipated, well packaged, easy install and works as it should.

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Reviewed in the United States on August 19, 2025

Verified Purchase

Omaha, US

★★★★★ 5

Works fine 3 months in

Installed a few months ago, before the winter. I was chasing a no-start after replacing the old battery. We've seen single digit temps in the meantime and it is working well. The fit is perfect in a 2010 focus. If you can slide it in from the side and not drop it in from the top, you can replace it without taking off the intake manifold. There are useful videos online showing this. Good luck!

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Reviewed in the United States on December 28, 2025