Product Overview
Genuine OEM Jeep Wrangler YJ Power Brake Booster and Master Cylinder Assembly. This is a complete factory setup designed to restore or upgrade braking performance. This unit is pulled from a 1987–1990 YJ and ideal direct replacement or upgrade for older CJ models.
- Vehicle: Jeep Wrangler YJ / Jeep CJ
- Years: 1987–1990 (Wrangler YJ)
- Type: Power Brake Booster with Master Cylinder Assembly
- OE/OEM Part Number: 8983502846
- Condition: OEM Used – Fully Tested & Functional
- Warranty: 90-Day Replacement Warranty
Vehicle Fitment
| Years | Make / Model | Notes |
|---|---|---|
| 1987–1990 | Jeep Wrangler YJ | Direct Fit |
| 1976–1986 | Jeep CJ | Upgrade Conversion (Modification May Be Required) |
Common Issues Replaced For
- Hard brake pedal or weak braking performance
- Brake fluid leaks from master cylinder
- Failing or non-functioning brake booster
- Increased stopping distance
- Upgrading CJ models to power brake system
Fits 1987-1990 Jeep Wrangler YJ Models Only as direct replacement.
Will NOT easily fit later YJ models due to different pushrod hole size. For CJ conversations (1976-1986), modifications may be required. Please verify compatibility before purchasing.
Shipping
- FREE Shipping – 48 Continental United States Only
- Fast Delivery: 3–7 Business Days
- Does NOT Ship to Canada


























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