RT31023 HD Brake Booster Kit
InfoVehicle Info Needed
CROWN AUTOMOTIVEPART NUMBER: 077-RT31023

RT31023 HD Brake Booster Kit

$47999
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

Heavy Duty Dual Diaphragm Brake Booster w/ 1" Bore Master Cylinder
  • For 1997-2006 TJ Wrangler w/o ABS
  • Designed
  • For Stock Applications

    Crown Automotive RT31023 Features:

    Replace your rusty, leaky, and faulty brake booster & master cylinder with a HD kit from RT Off-Road. Two performance level kits were designed to specifically cater to the vehicles requirements. The larger bore master cylinders are designed for upgrades done to axles with larger brake calipers. The more moderate bore is designed for vehicles with factory brakes, disc brake upgrades, and vehicles that require more braking power. Each kit consists of a zinc-coated brake booster, master cylinder, bench bleeding kit, and installation instructions. Installation involves replacing the factory brake booster & master cylinder

    • For Models Without ABS
    • HD 9" Dual Diaphragm Booster
    • Designed for Stock Applications
    • Designed for Stock Applications
    • Includes Bleeder Kit
    • 12-Month Warranty
    • GrayZinc
    • MetalRubber
  • Part TypePower Brake Booster with Brake Master Cylinder
    BrandCROWN AUTOMOTIVE
    Package Height8.5
    Package Width13.5
    Package Length18.0
    Weight18.1 PG
    Part CategoryPerformance Parts
    Part FitmentDirect Fit
    Vendor Part NumberRT31023
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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    RT31023 HD Brake Booster Kit — CROWN AUTOMOTIVE