There is not much more important for the health and efficiency of your Jeep engine then the air it breaths and the fuel it consumes. If your Jeep engine is sucking in dirty filthy air or the dirt and dust clog your air filter reducing the airflow you are missing out on vital horse power and killing your fuel economy. The first thing you should do on a vehicle is get a top of the line Air Intake and Filter. This will pay you back many times over.

Fuel Deliver is also important. Stock Jeep fuel delivery must be maintained and upgraded where necessary. Face it, we all know we like to change our Jeeps and one item that slips our minds sometimes is the all important Jeep fuel delivery system. It doesn't matter what you drive, if you are in the middle of nowhere and you're fuel delivery is cut due to clogged, unserviced fuel pump... good luck.

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AIR CLEANER 37L FITS 05 10 GRAND CHEROKEE 1314783
AIR CLEANER 37L FITS 05 10 GRAND CHEROKEE 1314783
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AIR CLEANER 37L FITS 08 12 LIBERTY 9738122
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FUEL INJECTION PARTS FUEL INJECTOR 47L FITS 01 04 GRAND CHEROKEE 546577
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INJECTION PARTS FUEL INJECTOR 47L FITS 01 04 GRAND CHEROKEE 552013
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FUEL INJECTION PARTS FUEL INJECTOR 47L FITS 01 04 GRAND CHEROKEE 546577
FUEL INJECTION PARTS FUEL INJECTOR 47L FITS 01 04 GRAND CHEROKEE 546577
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INJECTION PARTS FUEL INJECTOR 47L FITS 01 04 GRAND CHEROKEE 552013
INJECTION PARTS FUEL INJECTOR 47L FITS 01 04 GRAND CHEROKEE 552013
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Fuel Pump Assembly Primary Module Unit Fits 11 15 DURANGO 245510
Fuel Pump Assembly Primary Module Unit Fits 11 15 DURANGO 245510
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FUEL PUMP ONLY 4 150 25L 15 GALLON TANK FITS 87 90 WRANGLER 219029
FUEL PUMP ONLY 4 150 25L 15 GALLON TANK FITS 87 90 WRANGLER 219029
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Fuel Tank Fits 07 12 CALIBER 257776
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Fuel Tank 4WD Fits 12 16 COMPASS 255312
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INTAKE MANIFOLD 6 242 40L FITS 91 95 CHEROKEE 9827587
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Oxygen Sensor for Chrysler 200 Jeep Ram 68195741AA
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CHRYSLER OEM MAP Manifold Absolute Pressure Sensor 56026770
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08 09 10 11 12 13 DODGE RAM 1500 PICKUP THROTTLE BODY 479893
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05 08 09 10 11 12 13 CHRYSLER 300 THROTTLE BODY THROTTLE VALVE ASSEMBLY 57L
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Products listed above will help with gas millage, fuel efficiency, clean air, engine longevity, etc... Start with an good quality air cleaner, then move to an air intake kit that was engineered for your vehicle and takes into consideration proper air flow and restrictions. Once you have the air taken care of, move to your fuel system. You can go as small as replacing your gas filter with a new high efficiency gas filter. There are lots of people that replace their stock Jeep fuel sending units with external ones or put an external inline with the stock Jeep fuel pump for redundancy and increased fuel pump life.