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!
Jet Black Driver Side Liftgate Sill Plate
GM
23382370
Black. Enhances appearance of your vehicle's liftgate
This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$7.33
MSRP $10.14
Save $2.81
27.7% Off
Rear Pickup Box Cross Sill with Reinforcements
GM
23355803
6.6 ft box. 8 ft box without dual rear wheels. 5.8 ft box. Helps secure and strengthen truck bed floor
This GM Genuine Part is...
$236.24
MSRP $358.13
Save $121.89
34% Off
Front Side Rail To Sill Reinforcement, Right
Mopar
5109332AB
$124.32
MSRP $187.00
Save $62.68
33.5% Off
Driver Side Underbody Rear Cross Sill Extension
GM
84598188
Completes the appearance of your vehicle's body panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$19.82
MSRP $27.42
Save $7.60
27.7% Off
Driver Side Underbody Rear Cross Sill Extension
GM
84367293
Completes the appearance of your vehicle's body panel
This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$23.69
MSRP $32.77
Save $9.08
27.7% Off
Front Pickup Box Cross Sill with Nuts
GM
88980529
Crew cab. Helps secure and strengthen truck bed floor
This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$124.86
MSRP $189.29
Save $64.43
34% Off
Front Side Rail To Sill Reinforcement, Right
Mopar
68323890AA
$57.21
MSRP $82.95
Save $25.74
31% Off
Very Dark Pewter Rear Compartment Sill Plate
GM
96936801
Sedan, trunk compartment, pewter. Helps enhance the appearance of your vehicle's liftgate
This GM Genuine Part is designed, engineered,...
$6.60
MSRP $9.13
Save $2.53
27.7% Off
Driver Side Underbody Number 1 Cross Sill
GM
22958799
Crew cab. Double cab. Regular cab. Helps support and strengthen your vehicle's floor panel
This GM Genuine Part is designed,...
$63.18
MSRP $94.60
Save $31.42
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