Motorcraft FP51 Cabin Air Filter

For the 2009 Ford Escape Hybrid, this is the filter for the battery cooling system. This filter installs in the rear cargo area. (There is a small panel on the driver's side of the rear cargo area. Remove this panel, then another panel immediately behind the first one, then slide out the filter.) This is not the air filter for the passenger heating and cooling system. If you're looking for a filter for the passenger HVAC, you want Motorcraft FP66. There is some confusion surrounding these two filters because they're both listed as "cabin air filter" in the Ford parts catalog.

The Ford Escape Hybrid manual says this filter should be replaced every 10-20k miles. It is very very easy to replace; no hand tools are required! You won't even get your hands dirty. The filter has a small arrow on one side which indicates the direction of air flow. In this case, the air flows down, so the arrow should point down when you install the filter.

The filter installs in a small door in the left rear of the vehicle. Installation takes about 1 minute (if that). My local dealer quoted $75 to replace this filter! I usually write the date and mileage on the filter when I install it so I can easily track how long it's been since it was replaced.

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This was a great Motorcraft filter and was a very good price. Was simple to install and save a lot of money.

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You love your Ford Escape Hybrid and I love mine. One of the reasons why I'm so enamored of this vehicle is that it's ongoing maintenance costs are the lowest of any vehicle I've ever owned, and I've had a lot of cars over my lifetime. What vehicle delivers 115,000 miles on the original brakes? Who gets 32-34 mpg in day-to-day driving with a truck?

OK, about the filter. The one item I've noticed on my service invoices from the Ford dealer that seems expensive is the $44.00 for the hybrid system air filter. The very same filter is available from amazon.com for $15.00! And it's the easiest thing to replace on your car. Just open the liftgate in back, open the plastic panel on the left, un-clip the small black panel in the air intake vent and slide out the old filter. Slide the new filter in, snap on the black panel and pop on the side plastic panel. Done. You've optimized the hybrid cooling system (extending the life of your hybrid battery...which, by the way, seems to be in the 200K+ range) and saved some money.

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These filters cost around $50.00 from the dealer. Saved big bucks by buying it here on Amazon. It is identical in every way to the original factory filter that I took out of our 2008 Escape Hybrid. I like having my vehicles serviced at my Ford dealership, but am not about to over pay for parts. If they are only a few dollars higher than aftermarket prices, I will not make the extra effort to find parts elsewhere. But when you pay over 50% less from Amazon on this part, you have to go for it.

And the frosting on the cake is no Illinois sales tax. I so love depriving the reckless idiots in Springfield, of as much of my money as possible.

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