Genuine GM Step Rails

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Driving a truck or an SUV? There's a good chance it came from the GM factory with step rails. You might also call them side rails. Less often, you might even hear them referred to as running boards. Even the sports car community has their own naming conventions. They call them nerf bars, a term taken from "nerfing," which means bumping into another racer. Many names notwithstanding, what step rails do is provide better surfaces than bare door sills for getting into and out of your vehicle.

Update your SUV or Pickup with Genuine GM Step Rails

If you know the real deal, you probably already know how they mount: just inches from a door sill. Install them lower than that, and entry and exit get even easier. Doing that is especially helpful if you're driving a lifted vehicle. Running boards are slightly different. They mount closer to your ride's rocker panels, if not flush with them. That gives any vehicle even better ground clearance than step rails do. Running boards also usually have flatter and wider profiles, and their treads usually run the length of the boards. Whatever kind you need for your replacement or upgrade project, we've got the best solutions: genuine step rails straight from your OEM. Save time by buying them online today, right here at our auto parts counter.

Side Rail
Part Number: 3549327
Options: Right
Notes: Does not include anchor and line retainer. More Notes
MSRP $97.29
$87.56
MSRP $97.29
$87.56
Side Rail
Part Number: 05490718
Options: Left
Other Names: Rail More Names
Description: Black. More Info
MSRP $250.50
$172.85
MSRP $250.50
$172.85
Side Rail
Part Number: 25853984
Options: Right
Other Names: F Rail More Names
Replaces: 15067794, 15095663, 15200829, 15254144, 25802054
Description: Without xuv, short wheel base, without chrome. 2004-05. More Info
MSRP $640.72
$451.61
MSRP $640.72
$451.61
Side Rail
Part Number: 88944279
Options: Left, Right
Other Names: Rail More Names
Description: 2 door. More Info
MSRP $86.48
$59.67
MSRP $86.48
$59.67
Side Rail
Part Number: 22878369
Other Names: Truck Bed Side Rail More Names
MSRP $193.00
$133.17
MSRP $193.00
$133.17
Side Rail
Part Number: 19208399
Options: Right
Other Names: Rail More Names
Replaces: 19120989, 19151856, 19179269, 89025764
MSRP $1,089.13
$780.78
MSRP $1,089.13
$780.78
Side Rail
Part Number: 15704480
Options: Right
Other Names: Roof Luggage Carrier Side Rail More Names
Description: 4 door, oldsmobile. More Info
MSRP $284.25
$255.83
MSRP $284.25
$255.83
Side Rail
Part Number: 15756889
Options: Left Lower
Description: With sunroof, lower. More Info
MSRP $91.87
$82.68
MSRP $91.87
$82.68
Side Rail
Part Number: 88937282
Options: Right
Other Names: Rail More Names
Description: With z71 & ltz, without ltz. More Info
MSRP $36.63
$25.28
MSRP $36.63
$25.28
Side Rail
Part Number: 12376764
Options: Left
Other Names: Roof Luggage Carrier Side Rail More Names
Description: 4 door, oldsmobile. More Info
MSRP $311.00
$279.90
MSRP $311.00
$279.90
Side Rail
Part Number: 10317044
Options: Left
MSRP $58.44
$52.60
MSRP $58.44
$52.60
Side Rail
Part Number: 10444434
Options: Left
Replaces: 10421950
Description: Standard wheel base. More Info
Notes: Included with carrier assembly. More Notes
MSRP $135.36
$121.82
MSRP $135.36
$121.82
Side Rail
Part Number: 10445201
Options: Left
Other Names: Rail More Names
Description: 2 door. More Info
MSRP $36.87
$25.44
MSRP $36.87
$25.44
Side Rail
Part Number: 12389975
Options: Right
Other Names: Rail More Names
Description: All. More Info
Notes: Order by rack style and length of roof. More Notes
MSRP $117.31
$80.95
MSRP $117.31
$80.95
Side Rail
Part Number: 12517042
Options: Right Front
Description: Front. More Info
MSRP $709.70
$638.73
MSRP $709.70
$638.73
Side Rail
Part Number: 15074083
Options: Left Upper
Description: With sunroof, upper. More Info
MSRP $65.91
$59.32
MSRP $65.91
$59.32
Side Rail
Part Number: 30010486
Options: Right
MSRP $68.43
$61.59
MSRP $68.43
$61.59
Side Rail
Part Number: 30015533
Options: Left
MSRP $66.11
$59.50
MSRP $66.11
$59.50
Side Rail
Part Number: 22688804
Options: Right
Other Names: Rail More Names
Notes: Included with front floor pan. More Notes
MSRP $129.52
$89.37
MSRP $129.52
$89.37
Side Rail
Part Number: 22878368
Other Names: Truck Bed Side Rail More Names
MSRP $146.00
$100.74
MSRP $146.00
$100.74
Side Rail
Part Number: 22878749
Other Names: Truck Bed Side Rail More Names
MSRP $146.00
$100.74
MSRP $146.00
$100.74
Side Rail
Part Number: 15296762
Options: Right
Other Names: Rail More Names
Description: Long wheelbase, silver. More Info
MSRP $325.00
$224.25
MSRP $325.00
$224.25
Side Rail
Part Number: 15254141
Options: Left
Other Names: F Rail More Names
Replaces: 15172356, 15179322
Description: Without xuv, long wheel base. More Info
MSRP $519.62
$371.08
MSRP $519.62
$371.08
Side Rail
Part Number: 15839514
Options: Right
Other Names: Rail More Names
Description: 2006-07, charcoal. More Info
Notes: Order by description. More Notes
MSRP $214.41
$147.95
MSRP $214.41
$147.95
Side Rail
Part Number: 15704479
Options: Left
Other Names: Roof Luggage Carrier Side Rail More Names
Description: 4 door, oldsmobile. More Info
MSRP $292.78
$263.50
MSRP $292.78
$263.50
Side Rail
Part Number: 19177191
Options: Left
Other Names: F Rail More Names
Replaces: 12335985, 19120726
Description: Without chrome. More Info
MSRP $595.00
$437.67
MSRP $595.00
$437.67
Side Rail
Part Number: 10092399
Options: Left Upper, Left Outer
Other Names: Upper Rail More Names
Description: Upper. Outer (hss). More Info
MSRP $208.80
$187.92
MSRP $208.80
$187.92
Side Rail
Part Number: 10317043
Options: Right
Replaces: 10406458
MSRP $58.44
$52.60
MSRP $58.44
$52.60
Side Rail
Part Number: 10387897
Options: Left
Other Names: Roof Luggage Carrier Side Rail, F Rail More Names
Description: Crew cab. Oem. More Info
MSRP $108.50
$79.82
MSRP $108.50
$79.82
Side Rail
Part Number: 10427218
Options: Right
MSRP $20.52
$18.47
MSRP $20.52
$18.47
Side Rail
Part Number: 19179476
Options: Right
Other Names: Rail More Names
Description: Black, ltz. More Info
MSRP $290.48
$200.43
MSRP $290.48
$200.43
Side Rail
Part Number: 15970845
Options: Left Upper, Left Upper Upper
Other Names: Roof Side Rail More Names
Description: 4 DOOR. upper. More Info
MSRP $50.73
$45.66
MSRP $50.73
$45.66
Side Rail
Part Number: 15982057
Other Names: Roof Luggage Carrier Side Rail More Names
Description: Without denali, Escalade. 4 door. More Info
Notes: Included with luggage carrier assembly. More Notes
MSRP $103.24
$92.92
MSRP $103.24
$92.92
Side Rail
Part Number: 15721612
Options: Right Upper
Description: With sunroof, upper. More Info
MSRP $74.30
$66.87
MSRP $74.30
$66.87
Side Rail
Part Number: 15839513
Options: Left
Other Names: Rail More Names
Description: 2006-07, charcoal. More Info
Notes: Order by description. More Notes
MSRP $230.26
$158.88
MSRP $230.26
$158.88
Side Rail
Part Number: 15846382
Options: Left
Other Names: Rail More Names
Description: 2nd design. 1st design. More Info
MSRP $35.27
$24.33
MSRP $35.27
$24.33
Side Rail
Part Number: 22878366
Other Names: Truck Bed Side Rail More Names
MSRP $193.00
$133.17
MSRP $193.00
$133.17
Side Rail
Part Number: 15652398
Options: Right Upper
Description: Upper. More Info
MSRP $65.06
$58.55
MSRP $65.06
$58.55
Side Rail
Part Number: 25638721
Options: Right
MSRP $33.00
$29.70
MSRP $33.00
$29.70
Side Rail
Part Number: 15274067
Options: Right
Other Names: Rail More Names
$29.33
$29.33
Side Rail
Part Number: 39146480
Options: Right
Other Names: F Carrier More Names
Description: Tourx. More Info
MSRP $204.93
$141.97
MSRP $204.93
$141.97
Side Rail
Part Number: 22577589
Options: Left
Other Names: Rail, Side Member More Names
Description: Station wagon. 2 door coupe & convertible, without ride & handling. 2 & 4 door notchback, 4 door. 4 door sedan. 2 door, without ride &... More Info
MSRP $417.85
$376.07
MSRP $417.85
$376.07
Side Rail
Part Number: 22579105
Options: Left Outer
Description: Outer, sedan. More Info
MSRP $31.10
$27.99
MSRP $31.10
$27.99
Side Rail
Part Number: 22588824
Options: Right Upper
Other Names: Upper Rail More Names
Description: Upper. More Info
MSRP $221.07
$198.96
MSRP $221.07
$198.96
Side Rail
Part Number: 10191360
Options: Left Outer, Right Outer
Other Names: Outer Rail More Names
MSRP $64.70
$58.23
MSRP $64.70
$58.23
Side Rail
Part Number: 10337781
Options: Left
Other Names: Rail More Names
Description: Long wheelbase. Black, without spoiler. More Info
Notes: Included with carrier assembly. More Notes
MSRP $249.00
$183.17
MSRP $249.00
$183.17
Side Rail
Part Number: 10337782
Options: Left, Right
Other Names: Rail More Names
Description: With spoiler. More Info
MSRP $249.00
$171.81
MSRP $249.00
$171.81
Side Rail
Part Number: 10337784
Options: Right
Other Names: Rail More Names
Description: Short wheelbase. Without spoiler, standard wheelbase. More Info
MSRP $249.00
$171.81
MSRP $249.00
$171.81
Side Rail
Part Number: 15006153
Options: Left
Other Names: Rail More Names
Description: Without xuv, short wb. More Info
MSRP $34.67
$24.76
MSRP $34.67
$24.76
Side Rail
Part Number: 15051059
Options: Left, Rear Left Rearward
Other Names: Floor Side Rail More Names
Description: With xuv. More Info
MSRP $43.22
$38.90
MSRP $43.22
$38.90
Side Rail
Part Number: 25638723
Options: Right Inner
Other Names: Inner Rail More Names
Description: Inner. More Info
MSRP $56.89
$51.20
MSRP $56.89
$51.20
Side Rail
Part Number: 25853983
Options: Left
Other Names: F Rail More Names
Replaces: 15067793, 15095662, 15200828, 15254143, 25802055
Description: Without xuv, short wheel base, without chrome. 2004-05. More Info
MSRP $654.50
$451.61
MSRP $654.50
$451.61
Side Rail
Part Number: 3549328
Options: Left
Notes: Does not include anchor and line retainer. More Notes
MSRP $100.14
$90.13
MSRP $100.14
$90.13
Side Rail
Part Number: 39146479
Options: Left
Other Names: F Carrier More Names
Description: Tourx. More Info
MSRP $212.00
$146.87
MSRP $212.00
$146.87
Side Rail
Part Number: 15846377
Options: Left
Other Names: Rail More Names
Description: Black, LS. More Info
MSRP $274.55
$196.08
MSRP $274.55
$196.08
Side Rail
Part Number: 15970846
Options: Right Upper, Right Upper Upper
Other Names: Roof Side Rail More Names
Description: 4 DOOR. upper. More Info
MSRP $57.35
$51.62
MSRP $57.35
$51.62
Side Rail
Part Number: 15976547
Options: Left Lower
Description: Lower. More Info
MSRP $83.29
$74.96
MSRP $83.29
$74.96
Side Rail
Part Number: 19120794
Options: Left
Other Names: Carrier Pkg More Names
Description: Black, lt, sport. Black, primed. More Info
MSRP $344.88
$196.09
MSRP $344.88
$196.09
Side Rail
Part Number: 15721611
Options: Left Upper
Description: With sunroof, upper. More Info
MSRP $6.21
$5.59
MSRP $6.21
$5.59
Side Rail
Part Number: 15721616
Options: Right Lower
Description: With sunroof, lower. More Info
MSRP $13.07
$11.76
MSRP $13.07
$11.76
Side Rail
Part Number: 15764994
Options: Left Lower
Description: With sunroof, lower. More Info
MSRP $65.67
$59.10
MSRP $65.67
$59.10
Side Rail
Part Number: 15254142
Options: Right
Other Names: Rail More Names
Replaces: 15172357, 15179323
Description: Without xuv, long wheel base. More Info
MSRP $511.93
$371.08
MSRP $511.93
$371.08
Side Rail
Part Number: 15274066
Options: Left
Other Names: Rail More Names
$32.70
$32.70
Side Rail
Part Number: 19177190
Options: Right
Other Names: Rail More Names
Replaces: 12335986, 19120725
Description: Without chrome. More Info
MSRP $595.00
$338.30
MSRP $595.00
$338.30
Side Rail
Part Number: 19177192
Options: Right
Other Names: Rail More Names
Replaces: 12335988, 19120727
Description: With chrome. More Info
MSRP $443.03
$305.69
MSRP $443.03
$305.69
Side Rail
Part Number: 19177193
Options: Left
Other Names: Rail More Names
Replaces: 19120728
Description: With chrome. More Info
MSRP $495.15
$341.65
MSRP $495.15
$341.65
Side Rail
Part Number: 22878365
Other Names: Truck Bed Side Rail More Names
MSRP $146.00
$100.74
MSRP $146.00
$100.74
Side Rail
Part Number: 22878367
Other Names: Truck Bed Side Rail More Names
MSRP $146.00
$100.74
MSRP $146.00
$100.74
Side Rail
Part Number: 10298477
Options: Left
Description: Without spoiler, long wheelbase. More Info
MSRP $105.00
$94.50
MSRP $105.00
$94.50
Side Rail
Part Number: 10337785
Options: Left
Other Names: Rail More Names
Description: Short wheelbase. Without spoiler, standard wheelbase. More Info
MSRP $35.33
$24.38
MSRP $35.33
$24.38
Side Rail
Part Number: 10445457
Options: Right
Other Names: Rail More Names
Description: 2 door. More Info
MSRP $36.87
$25.44
MSRP $36.87
$25.44
Side Rail
Part Number: 88944268
Options: Left, Right
Other Names: Roof Luggage Carrier Side Rail, Rail More Names
Description: 4 door chevrolet & gmc. More Info
MSRP $117.58
$81.13
MSRP $117.58
$81.13
Side Rail
Part Number: 10050202
Options: Outer
Other Names: Outrigger More Names
Description: Side outer, #1 crossmember. More Info
MSRP $4.92
$4.43
MSRP $4.92
$4.43
Side Rail
Part Number: 15051060
Options: Right, Rear Right Rearward
Other Names: Floor Side Rail More Names
Description: With xuv. More Info
MSRP $44.24
$39.82
MSRP $44.24
$39.82

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