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!
23225272 - : Driver Side Underbody Number 2 Cross Sill Extension for GM Image

Driver Side Underbody Number 2 Cross Sill Extension

Type 3. Completes the appearance of your vehicle's body panel This GM Genuine Part is designed, engineered, and tested to rigorous...
$3.16
MSRP $4.37
Save $1.21
27.7% Off
84294379 - : Driver Side Underbody Number 2 Cross Sill Extension for GM Image

Driver Side Underbody Number 2 Cross Sill Extension

Completes the appearance of your vehicle's body panel This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$31.45
MSRP $45.80
Save $14.35
31.3% Off
95983547 - : Passenger Side Number 6 Underbody Cross Sill Reinforcement for GM Image

Passenger Side Number 6 Underbody Cross Sill Reinforcement

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$8.93
MSRP $12.35
Save $3.42
27.7% Off
23225271 - : Passenger Side Number 2 Underbody Cross Sill Extension for GM Image

Passenger Side Number 2 Underbody Cross Sill Extension

Completes the appearance of your vehicle's body panel This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$16.26
MSRP $22.49
Save $6.23
27.7% Off
20912685 - : Cross-Member for GM Image

Cross-Member

Extended cab.
$14.70
19184077 - : Rear Cross-Member for GM Image

Rear Cross-Member

Without awd.
$81.13
MSRP $99.83
Save $18.70
18.7% Off
25993912 - : Passenger Side Number 6 Underbody Cross Sill Reinforcement for GM Image

Passenger Side Number 6 Underbody Cross Sill Reinforcement

Convertible. Sedan, 2013-2015. Sedan, 2016-2018. Coupe. This GM Genuine Part is designed, engineered, and tested to rigorous standards...
$10.48
MSRP $14.49
Save $4.01
27.7% Off
23382371 - : Dark Ash Gray Driver Side Liftgate Sill Plate for GM Image

Dark Ash Gray Driver Side Liftgate Sill Plate

Grey. Enhances appearance of your vehicle's liftgate This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$31.76
MSRP $46.25
Save $14.49
31.3% Off
10345802 - : Ebony Rear Compartment Sill Trim Plate Hole Plug for GM Image

Ebony Rear Compartment Sill Trim Plate Hole Plug

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Collision parts are...
$5.22
MSRP $7.22
Save $2.00
27.7% Off
25953820 - : Pickup Box Platform Number 2 Cross Sill Reinforcement for GM Image

Pickup Box Platform Number 2 Cross Sill Reinforcement

Regular & extended cab, front. Helps add strength to truck bed panel This GM Genuine Part is designed, engineered, and tested to...
$6.46
MSRP $8.93
Save $2.47
27.7% Off
88970824 - : Rear Cross-Member for GM Image

Rear Cross-Member

Fwd.
$392.73
MSRP $503.50
Save $110.77
22% Off
88970827 - : Front Floor Pan Reinforcement for GM Image

Front Floor Pan Reinforcement

Fwd.
$59.70
MSRP $76.54
Save $16.84
22% Off

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