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Jeep JR775126 Alternator

1987-1990 Jeep JR775126

Customer Questions & Expert Answers (3)
JR775126 Mopar Alternator
  • Part Description
    ALTERNATOR
  • Manufacturer
    Mopar
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Jeep
    Manufacturer Part NumberJR775126
    Part DescriptionALTERNATOR
    Item Weight11.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerMopar
    SKUJR775126
    WarrantyThis genuine Mopar part is guaranteed by Mopar's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1987-1990 Jeep Cherokee6 Cyl 4.0L
    1987-1990 Jeep Comanche6 Cyl 4.0L
    1987-1990 Jeep Wagoneer6 Cyl 4.0L
    1987-1990 Jeep Wrangler
  • Customer Questions & Expert Answers

    Q:
    Will this fit my truck?
    A:
    You can Select Your Vehicle to check if JR775126 fits your vehicle.
    Posted and answered by Mopar Parts Specialist Daniel
    Q:
    How do you start removing the Alternator for the 1987 Jeep Comanche? Posted by Audrey H.
    A:
    Start by detaching the cable from the negative terminal of the battery. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Mopar Parts Specialist Jay / May 11, 2026
    Q:
    What should you do after installing the Alternator for the 1987 Jeep Cherokee? Posted by Yvonne J.
    A:
    Adjust the drivebelt tension and check the charging voltage to ensure proper operation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Mopar Parts Specialist Joel / Jun 15, 2026

Genuine Mopar Part JR775126, the Right Choice

To ensure reliability, purchase Mopar part # JR775126 Alternator. It is sometimes referred to as Alternator. The OEM parts should be used when the Mopar owners want to maximize their driving experience. The high-tech factories that produce these parts utilize sophisticated technology specifically designed to meet stringent factory requirements. Additionally, they are thoroughly tested and can thus be used with reliability by Mopar owners. This part fits specific Jeep Cherokee, Comanche, and Wrangler models.

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