Il s'agit de l'ensemble de portes de mélange supérieure et inférieure pour un système CVC à zone unique. Comprend uniquement les deux portes mixtes avec pilotes en aluminium. Vous devez réutiliser la tringlerie d'origine entre nos deux entraînements de porte mixtes qui acceptent la tringle. Toutes les pièces sont usinées CNC à partir d'aluminium massif et sont garanties à vie.
Nos portes s'adaptent uniquement à nos pilotes en aluminium. Plusieurs clients nous ont contactés parce qu'ils remplaçaient les portes défaillantes de nos concurrents par les nôtres et qu'ils ne parvenaient pas à convaincre leurs chauffeurs d'installer nos portes. Vous devez utiliser nos drivers en aluminium avec nos portes.
Ces portes s'adapteront aux camions Dodge Ram 1500 2002, 2003, 2004, 2005, 2006, 2007 et 2008. Ils conviennent également aux camions Dodge Ram 2500, 3500, 4500 et 5500 de 2003, 2004, 2005, 2006, 2007, 2008 et 2009 ainsi qu'aux camions Sterling Bullet de 2007, 2008 et 2009.
The Doors
Blend Door USA manufactures all of their products from solid pieces of aluminum. There are no welds or rivets in any of the products. Everything is CNC machined to maintain the highest quality possible and to ensure a perfect fit every time.
The drivers are key-cut so they will solidly engage the doors and will never fail. In the few instances where a key-cut driver won't work, the drivers are drilled with an off-set bore and are held in place with a cap screw. This allows the drivers to stay engaged with the door when there is not an actuator holding it in place, like the 3rd gen Ram dual zone blend door drivers. All splines are broach cut into the drivers to ensure perfect engagement with the electronic actuators.
So why do they use aluminum instead of steel? Aluminum is much lighter than steel, and it will never rust. Since the aluminum is lighter, they are able to make the doors significantly thicker and still maintain the same weight. This allows the doors to be much stronger than any steel replacement ever could be. Aluminum can be machined in a solid piece, which is why the doors do not have any welds or rivets holding them together. Steel doors are tack welded together, which creates a weak spot and potential failure. For an HVAC system, aluminum is superior in every way. The doors are the strongest in the market, period.
Foam Seal
Blend Door USA uses open cell foam to seal the doors. Most factory open cell foam is a polyester based foam that is biodegradable, which is why it comes apart and blows out of the vents. Their foam is a synthetic polyether based foam that is not biodegradable and therefore will not deteriorate like the original foam. A common question that they get is “Why don’t you use closed cell foam like the other guys?” The simple answer is, they'd love to, but they have yet to find closed cell foam that will perform satisfactorily in an HVAC box. There are a few requirements that foam must meet in order to be acceptable for use on the replacement doors:
- The durometer or “squishiness” of the foam must be soft enough to sufficiently seal the box. The plastic housings have a very loose tolerance for what can be considered “flat.” We’ve had boxes here that have had as much as 1/4 inch gap on the sealing surface when the door was closed. The foam must be able to compress completely on the high side in order fully seal on the low side. Most closed cell foams are too hard to seal properly.
- The foam must be durable enough to withstand the extreme heat and extreme cold that an automobile will experience. The air conditioner evaporator will produce air temperature around 40 degrees F and the heater will produce around 200 degrees F. Don’t forget the interior temp when the car sits outside in the summer sun all day in Arizona or all night in a North Dakota winter. Very few types of foam can withstand this kind of abuse.
- The foam must be American made. We pride ourselves with an American made product produced by American workers. We will not lower our standards by using a cheaper foreign made foam to increase our profit.
These doors will fit 2002, 2003, 2004, 2005, 2006, 2007, and 2008 Dodge Ram 1500 trucks. They will also fit 2003, 2004, 2005, 2006, 2007, 2008, and 2009 Dodge Ram 2500, 3500, 4500, and 5500 trucks as well as the 2007, 2008, and 2009 Sterling Bullet trucks.
Please note that actual products may differ from images shown on our website. While we strive for accuracy in product listings, manufacturers may make changes to design, contents, color, or packaging without notice. Product images are for illustrative purposes only and may not represent the exact item you receive.
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Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
Shipping Methods:
Standard Shipping (3-7 business days - location dependent)
Express Shipping (1-2 business days- location dependent)
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All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
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