Dorman 540-277 Suspension Stabilizer Bar Bushing Kit - Front

OE-Style Front Stabilizer Bar Bushings

Dorman 540-277 is a suspension stabilizer bar bushing kit for the front of select Acura NSX models. It is precision-engineered and tested as a standard replacement for the original equipment design, with rubber construction and the correct 18 mm inside diameter for the listed applications.

For Acura NSX front suspension service, this Dorman 540-277 bushing kit supports stable sway bar mounting and helps restore proper bar isolation at the chassis. It is a direct-fit replacement for specific NSX applications, including 1991-1994 Acura NSX with an 18.30 mm diameter bar and 1995-2001 Acura NSX front applications with removable T-top excluded.

Key Features

• Brand: Dorman
• Part number: 540-277
• Suspension stabilizer bar bushing kit for front position
• Rubber material for standard replacement service
• 18 mm inside diameter
• No grease fitting included
• No bracket included
• Assembled length: 29.5 mm
• Outside diameter: 30 mm
• Package contents: 2 bushings

Detailed Description

Dorman 540-277 is built for Acura NSX front stabilizer bar service where the original bushings have worn, hardened, or lost their ability to hold the sway bar securely. The rubber construction and OE-style dimensions help maintain proper bar location and reduce unwanted movement at the front suspension mounting point. This part cross-references MOOG Chassis Products K200203 for the same application.

Compatible With 1991-1994 Acura NSX, front, 18.30 mm diameter bar. Compatible With 1995-2001 Acura NSX, front, wo/Removeable T-Top. The part number 540-277 is also referenced in interchange listings for 51316SL0010 and JBU2030.

What It Helps Address

• Front sway bar bushing wear
• Clunking or squeaking from the stabilizer bar area
• Excessive movement at the front bar mounting point
• Loss of suspension isolation from hardened rubber bushings
• Fitment issues when replacing an OE-style Acura NSX front bushing

Installation Notes and Tips

Verify the front stabilizer bar diameter before installation, especially on 1991-1994 Acura NSX models with an 18.30 mm bar. Confirm the vehicle configuration matches the listed fitment, including the 1995-2001 Acura NSX note for vehicles without a removable T-top. Inspect the stabilizer bar and mounting surfaces for wear or corrosion before installing the new bushings.

Quality Assurance

Dorman states that this suspension stabilizer bar bushing kit is precision-engineered and rigorously tested for reliable replacement on the specified vehicles. It is a standard replacement part built to match the original equipment application for the listed Acura NSX front suspension fitments.