FREE 2 or 3-Day Delivery on 10,000+ Items. Details

Talk to Wrangler Enthusiasts
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Logo Image
$20K Sweeps! 10 Chances to Win! Enter Daily >
The ExtremeTerrain Show is Back! Register Now >

Alternator (87-90 Jeep Wrangler YJ)

Item J149533
Call a Wrangler Enthusiast at 1-877-870-8556
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Market Price $332.99 You Save 7% ($24.66)
Our Price


FREE Shipping

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

      Product Information

      Features, Description, Reviews, Q&A


      • Replacement Jeep Wrangler Alternator
      • Fits 1987-1990 Jeep Wrangler YJ Models
      • 12-Month Warranty
      • 12V Output
      • 106 Amps
      • V-Belt Pulley
      • 10si Style Alternator


      Reliable Wrangler Replacement Alternator. Restore power to your Jeep Wrangler by adding this replacement Wrangler alternator in place of the OEM model. This alternator is built to provide a steady stream of 106 Amps with a 12V output for maintaining power to the battery and to enable different electronics to run on the vehicle. The part fits 1987-1990 Wrangler YJ models and is simple to utilize.

      10si Design. This Jeep alternator uses the 10SI form-factor which allows it to generate power at lower RPMs and produce more power for your vehicle. This type of alternator can be utilized in multiple configurations for versatility.

      Rugged Aluminum Construction. This replacement alternator is made from durable cast aluminum that’s corrosion-resistant and durable enough for long-term reliability. The alternator is equipped with a cooling fan and designed for reliable power production over time.

      Simple Installation. This Wrangler alternator is easy to install for many owners. Installation time is between 30-60 minutes for experts and once replaced the new part should provide power immediately without additional adjustments.

      12-Month Warranty. This Jeep alternator has a 12-month warranty that’s good for a full year after its purchase date. The warranty goes into effect immediately and protects against defects specifically.

      Application. This 10si Wrangler alternator fits 1987-1990 Jeep Wrangler YJ vehicles without adjustments.


      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (3)

        Reviews of similar Ignition products have an average rating of 4.7 out of 5

          Questions & Answers

          10 More Questions