Top Categories
All Categories

Top Categories

All Categories

Shop By Vehicle
Account Login
Gift Cards
Track Order

TCI Replacement Vacuum Switch From TCI Kit #890-376600


made in usa
Save $20 off $250, $40 off $500, $100 off $1,000. Promo Code: RACE2SAVE exclusions apply

TCI Replacement Vacuum Switch From TCI Kit #890-376600 $28.99
Out of stock
1 left in stock
Replacement Vacuum Switch
  • From TCI Kit #890-376600
  • Specifications:

    Sold individually
    Circuit Activation
    Relay Included
    Safety Cover
    Switch Actuation Style
    Switch Finish
    Switch Material
    Terminal Type
    Weatherproof Sealed
    Wiring Included
    Manufacturer's Part Number:

    TCI's 2004R / 700R4 Universal Lockup Wiring Kit provides hands-free, automatic activation of the torque converter clutch in 4th gear and will disengage the clutch when you accelerate or down shift. This easy-to-install, universal lockup wiring kit makes it possible for you to install a GM 700R4 or 2004R transmission into a non-computer controlled street rod or muscle car. It is also beneficial when removing a factory computer in pre-1993 vehicles with a 700R4 or 2004R transmission. This kit contains quality OE connectors and oil-resistant wire. Kit comes complete with a gasket, wiring harness, vacuum switch, 4th gear pressure switch, splice connectors, mounting screw, and detailed instructions.

  • Fully adjustable vacuum switch automatically locks and unlocks the converter with engine vacuum
  • Manual override allows complete control over lockup
  • Constructed with OE connectors and oil-resistant wire
  • Simple installation requires only general mechanical knowledge
  • Improves Fuel Economy
  • Increases Control Over Torque Converter Clutch Lockup

    Note: Supplied with 700R4 pan gasket only.

  • CMP3766B is rated 2.0 out of 5 by 1.
    Rated 2 out of 5 by from Hard to adjust Very tiny adjustment screw and sensitive. Should be sold with a vacuum delay valve so it can do the job it is intended to
    Date published: 2014-11-02
    • y_2019, m_8, d_23, h_9
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.13
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_211908, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.