1120 GM Rectangular Bi-Level Brake Bleeder Adapter

The Motive Products 1120 GM Rectangular Bi-Level Adapter seals on the rectangular dual-chamber master-cylinder reservoirs fitted to a broad range of General Motors vehicles. Pair it with any Motive Power Bleeder tank for pressurized, one-person brake bleeding on classic and modern GM platforms without splitting the system or calling in a second mechanic.

Vehicle Fitment

Fits GM vehicles equipped with a rectangular bi-level (dual-chamber) master cylinder, including:

• Chevrolet – Camaro, Silverado, Suburban, Tahoe, Impala, Monte Carlo, Caprice (various years)
• GMC – Sierra, Yukon, Jimmy with bi-level rectangular reservoirs
• Cadillac – DeVille, Fleetwood, Brougham and other full-size models
• Buick, Oldsmobile, Pontiac – full-size and mid-size models with matching rectangular bi-level master cylinders

For the complete kit including the Motive pressure tank, see the 0120 GM Bi-Level Bleeder Kit.

Key Features

• Rectangular Bi-Level Seal – engineered to seat on the specific geometry of GM's dual-chamber rectangular reservoir cap.
• Quick-Disconnect Compatible – connects to any Motive Power Bleeder tank via stainless quick-disconnect.
• Durable Construction – resists DOT 3/4 brake fluid and shop chemicals.
• One-Person Operation – pressurize to 15–20 psi and service each reservoir chamber independently.

How to Use

Seat the 1120 adapter on the GM bi-level rectangular reservoir cap, connect your Motive Power Bleeder, pump to 15–20 psi, and bleed the front then rear circuits in sequence. Service each chamber independently for a complete fluid change. Pair with any Motive Power Bleeder tank for one-person brake service on GM bi-level platforms.

WARNING: Reproductive Harm – www.P65Warnings.ca.gov