The Best Acura Alternators

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To start your Acura, you fire up the ignition. The electricity for that, as you're probably already aware, is delivered by the spark plugs. The thing is, your alternator is what actually delivers the juice your car or SUV's electrical components depend on.

How an Alternator Works

Under your hood, the crankshaft transforms the engine pistons' vertical movement into a rotary motion. That powers the drive beltto spin a pulley located on the rotor shaft. That causes magnetic coils in the rotor begin to rotate and create electricity. Technically, the mechanical energy of the engine converts into the electricity needed to power accessories like your entertainment system, windows, and more.

How to Spot a Failing Alternator

Pay attention to these common signs that your alternator may be going bad:

  • A whining noise from your engine
  • Your battery keeps dying
  • Flickering or dimmed headlights
  • Entertainment system problems
  • Inability to operate your power windows

You want to check your alternator as soon as you experience any of these, since a failing alternator can lead to a sudden engine shut-down. The best way to check is to measure your battery's voltage with the engine off. If it reads below 12.5 volts, give it a good charging. If it still reads low after it's been charged, your alternator is likely the problem. In that case, you want to make sure to use the best alternator as a replacement. Original Acura alternators are designed to work with your model, so you can count on them. Find everything you need to complete the project, including hardware parts, right here in our online auto parts catalog. Buy now and we'll ship your order right to your door!

Alternator
Part Number: 31100-6B2-305RM
Fits:
  • Acura:
    • RDX
MSRP $493.16
$337.31
MSRP $493.16
$337.31
Alternator
Part Number: 31100-R9P-A01RM
Fits:
  • Acura:
    • RLX
MSRP $705.57
$478.37
MSRP $705.57
$478.37
Alternator (AHGA117)
Part Number: 31100-6S9-A01
MSRP $732.75
$496.80
MSRP $732.75
$496.80
Alternator (AHGA120)
Part Number: 31100-61A-A01
MSRP $714.23
$484.24
MSRP $714.23
$484.24
Belt Alternator
Part Number: 31110-61A-A01
MSRP $28.01
$21.00
MSRP $28.01
$21.00
Bracket Alternator
Part Number: 31113-6S9-A00
MSRP $18.75
$14.06
MSRP $18.75
$14.06
Alternator RMD
Part Number: 31100-RDM-A01RM
MSRP $511.57
$346.84
MSRP $511.57
$346.84
Alternator (CST03)
Part Number: 31100-6S8-A02
MSRP $691.56
$468.88
MSRP $691.56
$468.88
Bracket Alternator
Part Number: 31113-61A-A00
MSRP $26.04
$19.53
MSRP $26.04
$19.53
Belt, Alternator
Part Number: 31110-PH2-J04
Other Names: Belt Alternator More Names
Replaces: 38920-P1R-003
Fits:
  • Acura:
    • TL
MSRP $27.60
$20.69
MSRP $27.60
$20.69
Bracket, Alternator
Part Number: 31112-PAA-A00
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • CL
MSRP $81.33
$58.56
MSRP $81.33
$58.56
Bracket, Alternator
Part Number: 31112-PR7-A01
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • NSX
MSRP $475.56
$325.28
MSRP $475.56
$325.28
Stay, Alternator
Part Number: 31113-P54-000
Other Names: Stay Alternator More Names
Fits:
  • Acura:
    • Integra
MSRP $44.83
$33.63
MSRP $44.83
$33.63
Stay, Alternator
Part Number: 31113-RPY-G01
Other Names: Stay Alternator More Names
Fits:
  • Acura:
    • RDX
MSRP $20.44
$15.33
MSRP $20.44
$15.33
Belt, Alternator
Part Number: 38920-P30-004
Other Names: Belt Alternator More Names
Replaces: 31110-PV1-003, 31110-PV1-004, 38920-PR3-004, 38920-PR3-014
Fits:
  • Acura:
    • Integra,
    • Vigor
MSRP $17.18
$12.89
MSRP $17.18
$12.89
Bracket, Alternator
Part Number: 8-97160-604-1
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • SLX
MSRP $62.52
$45.01
MSRP $62.52
$45.01
Alternator, Rm
Part Number: 06311-R53-505RM
Other Names: Alternator Rm More Names
Fits:
  • Acura:
    • TLX
MSRP $566.51
$384.09
MSRP $566.51
$384.09
Alternator (RMD)
Part Number: 06311-RX0-505RM
Other Names: Alternator More Names
Replaces: 31100-RX0-A01RM
Fits:
  • Acura:
    • ILX
MSRP $556.81
$377.51
MSRP $556.81
$377.51
Belt, Alternator
Part Number: 31110-R8A-A01
Other Names: Belt Alternator More Names
Fits:
  • Acura:
    • RDX
MSRP $53.35
$38.41
MSRP $53.35
$38.41
Bracket, Alternator
Part Number: 31112-PY3-000
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • Legend
MSRP $87.33
$61.83
MSRP $87.33
$61.83
Stay, Alternator
Part Number: 31113-P8E-A00
Other Names: Stay Alternator More Names
Fits:
  • Acura:
    • CL,
    • MDX,
    • TL
MSRP $40.48
$30.36
MSRP $40.48
$30.36
Bracket, Alternator
Part Number: 31113-R1A-A00
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • ILX
MSRP $32.62
$24.46
MSRP $32.62
$24.46
Stay, Alternator
Part Number: 31113-R70-A00
Other Names: Stay Alternator More Names
Fits:
  • Acura:
    • MDX,
    • RDX,
    • RL,
    • TL,
    • TSX,
    • ZDX
  • 1 more
MSRP $11.88
$8.90
MSRP $11.88
$8.90
Bracket, Alternator
Part Number: 8-97160-605-1
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • SLX
MSRP $20.40
$15.30
MSRP $20.40
$15.30
Belt, Alternator
Part Number: 31110-P2T-505
Other Names: Belt Alternator More Names
Replaces: 31110-P2T-004, 31110-P30-004, 31110-PR4-A06
Fits:
  • Acura:
    • Integra
MSRP $24.11
$18.08
MSRP $24.11
$18.08
Belt, Alternator
Part Number: 31110-P73-508
Other Names: Belt Alternator More Names
Replaces: 31110-P73-506, 31110-P73-A01
Fits:
  • Acura:
    • Integra
MSRP $35.78
$26.83
MSRP $35.78
$26.83
Belt, Alternator
Part Number: 31110-PJ7-033
Other Names: Belt Alternator More Names
Replaces: 31110-PG6-003, 31110-PG7-661
Fits:
  • Acura:
    • Integra
MSRP $16.72
$12.54
MSRP $16.72
$12.54
Belt, Alternator
Part Number: 31110-PR7-A05
Other Names: Belt Alternator More Names
Replaces: 31110-PR7-A01, 31110-PR7-A04
Fits:
  • Acura:
    • NSX
MSRP $66.76
$48.07
MSRP $66.76
$48.07
Stay, Alternator
Part Number: 31113-RCA-A00
Other Names: Stay Alternator More Names
Fits:
  • Acura:
    • MDX,
    • RL,
    • TL
MSRP $11.64
$8.74
MSRP $11.64
$8.74
Bracket, Alternator
Part Number: 31112-P0A-A00
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • CL
MSRP $88.18
$62.43
MSRP $88.18
$62.43
Bracket, Alternator
Part Number: 31113-5G0-A01
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • RDX,
    • RLX,
    • TLX
MSRP $42.25
$31.69
MSRP $42.25
$31.69
Bracket, Alternator
Part Number: 31113-5J6-A00
Other Names: Bracket Alternator More Names
Fits:
  • Acura:
    • MDX
MSRP $41.78
$31.34
MSRP $41.78
$31.34
Stay, Alternator
Part Number: 31113-P8A-A00
Other Names: Stay Alternator More Names
Fits:
  • Acura:
    • CL
MSRP $66.77
$48.07
MSRP $66.77
$48.07
Stay, Alternator
Part Number: 31113-RYE-A00
Other Names: Stay Alternator More Names
Fits:
  • Acura:
    • MDX
MSRP $6.67
$5.00
MSRP $6.67
$5.00
Bolt, Alternator
Part Number: 90057-PG7-003
Other Names: Bolt Alternator More Names
Replaces: 90057-PD2-003
Fits:
  • Acura:
    • Integra
MSRP $9.35
$7.00
MSRP $9.35
$7.00

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