The Best Acura Step Rails

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Some Acura vehicles left the factory with side rails already installed. Of course, you may call them step rails. Sports car enthusiasts refer to them as "nerf bars." That comes from the word "nerfing," which refers to bumping or rubbing against another car. SUV owners are most likely to call theirs running boards. Whatever name you use for them, step rails extremely useful. A good set of original step rails are safer and easier to use than the door sills when you're getting into and out of your Acura car or SUV.

Find the Right Step Rails for Your Vehicle

Step rails are mounted right below the door sill, so they're set to almost exactly the same height to which you're already accustomed. Running boards are typically wider and flatter, and mount flush with your rocker panels and offer more ground clearance than regular step rails. Whether you want to switch out old step rails that are worn down or want to add functionality to your ride, choosing genuine Acura step rails and running boards is your best option. They're manufactured to your model's exact specifications, so you can trust their fit. Our online auto parts center has what you need for the project. Buy now and save!

Stiffener, L Roof Side Rail
Part Number: 63635-TJB-A00ZZ
Other Names: Stiffener L More Names
Fits:
  • Acura:
    • RDX
MSRP $55.00
$39.60
MSRP $55.00
$39.60
Stiffener, R Roof Side Rail
Part Number: 63235-TJB-A00ZZ
Other Names: Stiffener R More Names
Fits:
  • Acura:
    • RDX
MSRP $55.00
$39.60
MSRP $55.00
$39.60
Rail, R Roof Side
Part Number: 64210-S3M-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • CL
MSRP $38.75
$29.06
MSRP $38.75
$29.06
Rail, R Roof Side
Part Number: 64210-S3V-A01ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $104.72
$74.14
MSRP $104.72
$74.14
Rail, R Roof Side
Part Number: 64210-SEA-300ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $167.45
$114.54
MSRP $167.45
$114.54
Rail, R Roof Side
Part Number: 64210-SJA-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • RL
MSRP $180.38
$123.38
MSRP $180.38
$123.38
Rail, R Roof Side
Part Number: 64210-TL4-G20ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, R Roof Side
Part Number: 64210-TZ3-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TLX
MSRP $166.35
$117.78
MSRP $166.35
$117.78
Rail, R Roof Side
Part Number: 64211-SEP-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $86.20
$61.03
MSRP $86.20
$61.03
Rail, L Roof Side
Part Number: 64610-SEA-300ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $167.45
$114.54
MSRP $167.45
$114.54
Rail, L Roof Side
Part Number: 64610-SJA-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • RL
MSRP $209.89
$143.56
MSRP $209.89
$143.56
Rail, L Roof Side
Part Number: 64610-STX-A02ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $105.83
$74.93
MSRP $105.83
$74.93
Rail, L Roof Side
Part Number: 64611-SEP-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $91.80
$64.99
MSRP $91.80
$64.99
Rail, L Roof Side
Part Number: 64611-TV9-A01ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • ILX
MSRP $148.75
$105.32
MSRP $148.75
$105.32
Rail, R Roof Side
Part Number: 64210-TL2-A50ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, L Roof Side
Part Number: 64610-S0K-A01ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $209.92
$143.58
MSRP $209.92
$143.58
Rail, L Roof Side
Part Number: 64610-S3M-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • CL
MSRP $38.75
$29.06
MSRP $38.75
$29.06
Rail, L Roof Side
Part Number: 64610-TL4-G20ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, L Roof Side
Part Number: 64611-TK4-A01ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $60.42
$43.50
MSRP $60.42
$43.50
Rail, R Roof Side
Part Number: 64210-S3V-305ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $164.92
$116.76
MSRP $164.92
$116.76
Rail, R Roof Side
Part Number: 64210-TL7-A50ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, R Roof Side
Part Number: 64211-TK4-A01ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $60.42
$43.50
MSRP $60.42
$43.50
Rail, R Roof Side
Part Number: 64211-TV9-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • ILX
MSRP $148.75
$105.32
MSRP $148.75
$105.32
Rail, R Roof Side
Part Number: 64211-TV9-A01ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • ILX
MSRP $148.75
$105.32
MSRP $148.75
$105.32
Rail, R Roof Side
Part Number: 64211-TX6-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • ILX
MSRP $50.94
$36.67
MSRP $50.94
$36.67
Rail, L Roof Side
Part Number: 64610-S3V-A02ZZ
Other Names: Rail L Roof Side More Names
Replaces: 64610-S3V-A01ZZ
Fits:
  • Acura:
    • MDX
MSRP $104.72
$74.14
MSRP $104.72
$74.14
Rail, L Roof Side
Part Number: 64610-STX-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $105.83
$74.93
MSRP $105.83
$74.93
Rail, L Roof Side
Part Number: 64610-STX-A01ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $929.73
$619.20
MSRP $929.73
$619.20
Rail, L Roof Side
Part Number: 64610-TL2-A50ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, L Roof Side
Part Number: 64611-ST7-300ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • Integra
MSRP $51.52
$37.09
MSRP $51.52
$37.09
Rail, L Roof Side
Part Number: 64611-TV9-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • ILX
MSRP $148.75
$105.32
MSRP $148.75
$105.32
Rail, R Roof Side
Part Number: 64210-S0K-A01ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $209.92
$143.58
MSRP $209.92
$143.58
Rail, R Roof Side
Part Number: 64210-STX-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $105.83
$74.93
MSRP $105.83
$74.93
Rail, R Roof Side
Part Number: 64210-STX-A01ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $929.73
$619.20
MSRP $929.73
$619.20
Rail, R Roof Side
Part Number: 64210-STX-A02ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • MDX
MSRP $105.83
$74.93
MSRP $105.83
$74.93
Rail, R Roof Side
Part Number: 64210-TL0-G20ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, R Roof Side
Part Number: 64210-TZ3-A10ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TLX
MSRP $166.35
$117.78
MSRP $166.35
$117.78
Rail, R Roof Side
Part Number: 64211-TK4-A00ZZ
Other Names: Rail R Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $53.07
$38.21
MSRP $53.07
$38.21
Rail, L Roof Side
Part Number: 64610-S3V-315ZZ
Other Names: Rail L Roof Side More Names
Replaces: 64610-S3V-305ZZ
Fits:
  • Acura:
    • MDX
MSRP $164.92
$116.76
MSRP $164.92
$116.76
Rail, L Roof Side
Part Number: 64610-TL0-G20ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, L Roof Side
Part Number: 64610-TL7-A50ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TSX
MSRP $157.87
$111.77
MSRP $157.87
$111.77
Rail, L Roof Side
Part Number: 64610-TZ3-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TLX
MSRP $166.35
$117.78
MSRP $166.35
$117.78
Rail, L Roof Side
Part Number: 64610-TZ3-A10ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TLX
MSRP $166.35
$117.78
MSRP $166.35
$117.78
Rail, L Roof Side
Part Number: 64611-TK4-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • TL
MSRP $53.07
$38.21
MSRP $53.07
$38.21
Rail, L Roof Side
Part Number: 64611-TX6-A00ZZ
Other Names: Rail L Roof Side More Names
Fits:
  • Acura:
    • ILX
MSRP $50.94
$36.67
MSRP $50.94
$36.67
Roof Side Rail
Part Number: 64610-TYA-305ZZ
Positions: Left
Other Names: Rail L Roof Side More Names
MSRP $324.08
$221.66
MSRP $324.08
$221.66
Rail R Roof Side
Part Number: 64211-TK4-A010
MSRP $12.23
$9.18
MSRP $12.23
$9.18
Rail L Roof Side
Part Number: 64611-TK4-A010
MSRP $12.21
$9.16
MSRP $12.21
$9.16
Roof Side Rail
Part Number: 64210-TYA-305ZZ
Positions: Right
Other Names: Rail R Roof Side More Names
MSRP $322.09
$220.31
MSRP $322.09
$220.31
Seal, Roof Rail Side
Part Number: 74531-SD4-920
Other Names: Seal Roof Rail Side More Names
Fits:
  • Acura:
    • Legend
MSRP $4.33
$3.24
MSRP $4.33
$3.24

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