Alternators

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For Reference Only - Some Applications May Vary.


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  1. (EW036) Alternator - Paccar 130 AMP D27-6001-0130J - Paccar
    Price $614.56
    Ships within 72 hours
  2. Alternator A0141544702 - Detroit Diesel
    Price $985.17
    Ships within 72 hours
  3. Alt. A0121541402 - Detroit Diesel
    Detroit Diesel Alt. A0121541402
    Part# A0121541402 OLD# -
    Price $1,648.61
    Ships within 72 hours
  4. Alternator-S60 23565116 - Detroit Diesel
    Price $2,370.12
    Ships within 72 hours
  5. Alternator Dual 28V140A Ti S60 23539985 - Detroit Diesel
    Price $2,438.66
    Ships within 72 hours
  6. Alt Drv Kit 23528330 - Detroit Diesel
    Price $1,428.56
    Ships within 72 hours
  7. Gear 08929311 - Detroit Diesel
    Detroit Diesel Gear 08929311
    Part# 08929311 OLD# -
    Price $825.91
    Ships within 72 hours
  8. Alternator Pad Mount 320amp A0014931PGH - Prestolite / Leece-Neville
    Price $1,854.41
    Ships within 72 hours
  9. Alternator 28SI 110amps Pad Mount 24V 8600469 - Delco Remy
    Price $603.93
    Ships within 72 hours
  10. Alternator 40SI 240amps J180 Hinge 12V 8600339 - Delco Remy
    Price $1,054.92
    Ships within 72 hours
  11. Alternator 35SI 140amps Pad Mount 12V 8600066 - Delco Remy
    Price $700.12
    Ships within 72 hours
  12. Alternator 35SI 140amps Quad 12V 8600065 - Delco Remy
    Price $700.12
    Ships within 72 hours
  13. Alternator 35SI 140amps J180 Hinge 12V 8600064 - Delco Remy
    Price $700.12
    Ships within 72 hours
  14. Alternator - 36SI 170amps Pad Mount 12V 8600127 - Delco Remy
    Price $724.32
    Ships within 72 hours
  15. Alternator -Leece Neville BLP4011 - Prestolite / Leece-Neville
    Price $958.71
    Ships within 72 hours
  16. Alternator 24V 140amp L/N BLD3314GH - Prestolite / Leece-Neville
    Price $783.90
    Ships within 72 hours
  17. Alternator - 36SI 165amps Pad Mount 12V 8700047RMAN - Delco Remy

    Core charge

    Price $619.36
    Ships within 72 hours
  18. Alternator - 36SI 170amps J180 Hinge 12V 8600126 - Delco Remy
    Price $716.12
    Ships within 72 hours
  19. Alternator - 40SI 12V 275amp Pad Mount 8600094 - Delco Remy
    Price $854.68
    Ships within 72 hours
  20. Alternator Model 38SI 8600707 - Delco Remy
    Price $1,070.58
    Ships within 72 hours
  21. Alternator - 33SI 100amps J180 HUnge 24V 19011153 - Delco Remy
    Price $783.92
    Ships within 72 hours
  22. Alternator - 40SI 160amp Pad Mount 8600668 - Delco Remy
    Price $1,735.84
    Ships within 72 hours
  23. Alternator 40SI 320amp Pad Mount 8600628 - Delco Remy
    Price $2,220.26
    Ships within 72 hours
  24. Alternator 40SI 300amp Pad Mount 8600298 - Delco Remy
    Price $1,078.62
    Ships within 72 hours
  25. Alternator 320amp 4962PGH - Prestolite / Leece-Neville
    Price $1,899.64
    Ships within 72 hours
  26. Alternator 561-3000 - CAT
    CAT Alternator 561-3000
    Part# 561-3000 OLD# 235-7133
    Price $1,807.23
    Ships within 72 hours
  27. Alternator 10R-9096 - CAT
    CAT Alternator 10R-9096
    Part# 10R-9096 OLD# 10R9096

    Core charge

    Price $903.60
    Ships within 72 hours
  28. Alternator - 40 SI, 240 AMP, PAD Mount 8600338 - Delco Remy
    Price $798.81
    Ships within 72 hours
  29. Alternator - Paccar 130Amp Pad Mount D27-6001-0130P - Paccar
    Price $614.56
    Ships within 72 hours
  30. Alternator 240amp Pad Mount BLP4007H - Prestolite / Leece-Neville
    Price $940.49
    Ships within 3 to 6 weeks
  31. Alternator Brushless 12V 325amp BLP4002H - Prestolite / Leece-Neville
    Price $1,999.27
    Ships within 3 to 6 weeks
  32. Alternator BLP3384HMP - Prestolite / Leece-Neville
    Price $690.77
    Ships within 3 to 6 weeks
  33. Alternator BLP3322 - Prestolite / Leece-Neville
    Price $861.16
    Ships within 3 to 6 weeks
  34. Alternator 12V 185amp Remote Sense Pad Mount BLP2333GHS - Prestolite / Leece-Neville
    Price $776.03
    Ships within 3 to 6 weeks
  35. Alternator Brushless 12V 160mp BLP2329GHS - Prestolite / Leece-Neville
    Price $717.99
    Ships within 3 to 6 weeks
  36. Alternator BLP2309GH - Prestolite / Leece-Neville
    Price $705.33
    Ships within 3 to 6 weeks
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High-quality alternators for heavy-duty vehicles

An alternator is an electromechanical device, found in most vehicles with an internal combustion engine, including trucks and semis. Its primary function is to convert mechanical energy into electrical energy in the form of an alternating current (AC). This electrical energy is then used to power various electrical systems, including headlights, radio, and many others.

The alternator works by using the engine’s rotational energy, which is transferred with a belt connected to the engine’s crankshaft pulley. Inside the alternator, there are coils of wire and a rotating magnet (rotor) that create a magnetic field. As the rotor spins within the coils, it induces an alternating current in the wire coils. This AC current is then converted to direct current (DC) through a rectifier, which consists of diodes, before it is used to charge the battery and power the vehicle’s electrical systems.

Alternator maintenance in trucks and semis

Proper maintenance of your alternator can extend your truck’s lifespan and prevent unexpected breakdowns. The drive belt is responsible for transferring the engine’s rotation to the alternator and should be inspected frequently. Check for any signs of wear, such as fraying or glazing, and if the belt is worn, replace it as soon as possible.

A healthy battery also reduces stress on the alternator. Check the battery terminals for corrosion and clean them if necessary. Make sure the battery is fully charged and replace it if it’s nearing the end of its life.

Make sure to carefully inspect the alternator’s connections. The connections should be  clean, tight, and free of corrosion. Loose and corroded connections can cause poor performance and shorten the alternator’s life.

Find your replacement parts at Big Rig World

At Big Rig World, we know the importance of keeping your truck running smoothly and efficiently. We offer a comprehensive selection of high-quality replacement parts for your truck, including alternators, ensuring that you can find exactly what you need to keep your vehicle in top condition.