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Gear Shift Cable Selector compatible for Polaris RZR 2014-2018 7081862 Stainless Steel New
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Automatic Transmission Gear Shifter Cable compatible for Ford Ranger 1997-2003 F77Z7E395LB
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Front Wheel Bearings compatible for Ford Edge 2007-14 compatible for Lexus ES330 RX330 2004-06
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Front Wheel Bearings compatible for Ford Edge 2007-14 compatible for Lexus ES330 RX330 2004-06
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Transmission Shift Cable For RZR XP 4 1000 2014-2023 RZR XP4 Turbo 2016-2021 New
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Transmission Oil Pan compatible for Dodge Ram 1500 2500 3500 Dakota Durango 5.9L 5.2 6.7
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2x Front Wheel Bearing Assembly compatible for Jaguar XKR Front 2000 2001-2009 510010
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Automatic Transmission Solenoid compatible for Honda ACURA Civic Accord CR-V 28250PRP013
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Auto Trans Shift Control Cable compatible for Dodge Avenger 2008-14 compatible for Chrysler 200 2011-2014
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2x Front Wheel Bearing Assembly compatible for Hyundai Elantra GT All Models 2013 - 2017
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Drivetrain: Getting Power to the Ground
Written by the PickupChain team · Last reviewed October 17, 2026
The drivetrain carries power from the transmission to the wheels: transfer case, driveshafts, differentials, axles and hubs. Clunks when shifting into drive, vibration that rises with speed or a whining noise from the axles are typical signs of worn parts.
Bigger tires change the effective gear ratio and make the truck feel slow and shift more often. Re-gearing the differentials to a numerically higher ratio, for example from 3.73 to 4.56, restores performance after a jump to 35 or 37-inch tires.
Lifts change driveshaft angles. Vibration after a lift often points to the driveshaft angle or worn U-joints. Carrier bearing drop kits or longer driveshafts are common fixes.
Frequently Asked Questions
+Do I need to re-gear for 35-inch tires?
Not always, but most trucks with highway gears benefit. Re-gearing improves acceleration, towing and transmission behavior. Use our tire size calculator to see how much larger the new tire is.
+What does a bad wheel hub bearing sound like?
A humming or grinding noise that gets louder with speed and changes when you turn is typical. On many 4x4 trucks the hub is a bolt-in unit that can be replaced as a whole.
+How often should I change differential fluid?
Check your owner's manual. Many trucks call for 30,000 to 60,000 miles, sooner with frequent towing or after deep water crossings.