Door Sills
Door sills are the crosspieces found at the bottoms of the frames in most cars, trucks, and SUVs. They're part of the area you step on or over when you get in and out. The simplest door sills are little more than sill plates. Some display manufacturer names, models, or trims. Others are showier, with tap-in power lines behind them that light up that that brand or logo. Either way, whether they're Mopar or GM, your original door sills can be more than just a sum of parts. You can add door sill guards, for example. They'll help keep your door sills clean and defend them from premature wear. Door sill plates and seals, on the other hand, can both protect and prevent water and debris from seeping into your cabin. Other enhancements are available to give your door sills a more stylish look. They range from trim to molding and appliques. When to replace a door sill depends on how visibly damaged or worn it is. Your best replacements will be genuine GM or Mopar, as OEM door sills and accessories are a guaranteed fit for your make and model. Our auto parts department has plenty in stock. Order online today and get upgrading in no time!
Underbody Rear Cross Sill
GM
84850192
Helps support and strengthen your vehicle's floor panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$55.71
MSRP $83.42
Save $27.71
33.2% Off
Illuminated Trunk Sill Plate
GM
23506072
Make a dramatic entrance and protect your liftgate from scuffing and debris with the Cadillac Accessories Liftgate Sill Plate. It is...
$225.84
MSRP $275.00
Save $49.16
17.9% Off
Illuminated Cargo Sill Plate
GM
85733667
Enhance your vehicles appearance with this Cadillac Accessories Cargo Sill Plate that has been designed for a precision fit. This Cargo...
$367.88
MSRP $450.00
Save $82.12
18.2% Off
Underbody Rear Cross Sill
GM
19355747
1/2, 3/4 & 1 ton, 1996 new style, rear sill. Helps support and strengthen your vehicle's floor panel
This GM Genuine Part is designed,...
$1,513.14
MSRP $2,304.41
Save $791.27
34.3% Off
Underbody Rear Cross Sill
GM
84424593
Helps support and strengthen your vehicle's floor panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$36.89
MSRP $53.72
Save $16.83
31.3% Off
Choccachino Liftgate Sill Plate
GM
22955009
Without Suburban LS or Yukon XL SLT, choccachino. With chrome inserts, choccachino. Helps enhance the appearance of your vehicle's...
$36.98
MSRP $53.85
Save $16.87
31.3% Off
Side Sill Molding, Right
Mopar
5NC52LAHAA
159 Inch Wheelbase Long Overhang.
$105.95
MSRP $160.00
Save $54.05
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