1 1
DEXTER

4739-L - 8K Electric Brake – 12" x 3-1/2" – Left Side – Rockwell | DXT
SKU: 8ELSA-RKWL
In stock
$122.30 USD $122.30 USD $244.32 USD

*The in-store price might differ from the online price listed above

Secure Checkout

VISA
MASTERCARD
PAYPAL
AMEX

We want you to be completely satisfied with your purchase. That’s why we offer a hassle-free return policy within 30 days of delivery*. If your item is unused, in original packaging, and eligible for return, you can send it back for a refund or exchange.

*Some exclusions may apply

*Some of our products are backed by a 1-year limited manufacturer warranty covering defects in materials and workmanship under normal use. If you experience any issues during this period, we’ll work with you to repair, replace, or resolve it according to warranty terms.*

*Proof of purchase required

*Need it fast? We’ve got you covered. Most orders confirmed before 12 PM Eastern Standard Time (Monday–Friday) are processed and shipped out the same business day. Orders placed after the cutoff will ship the next business day.

For assistance, please contact us at +1-607-477-7774

Our support team is available during regular business hours ONLY
Description

This Dexter Rockwell-style 12" x 3-1/2" self-adjusting electric brake assembly is engineered for heavy-duty trailer applications requiring consistent and reliable braking performance. Featuring a forward self-adjusting mechanism, it automatically maintains proper shoe clearance during operation, reducing maintenance while ensuring dependable stopping power.

Detailed Information:
Axle Capacity (Per Pair) 8,000 lbs
Brake Size 12" x 3-1/2"
Brake Type Electric drum brake
Adjustment Type Self-adjusting (forward)
Side Left (driver side)
Mounting 4-bolt axle brake flange
Included Hardware Mounting studs & dust shield included
Brand Dexter
Part Number 4739-L
Fitting:

Designed for Rockwell-style trailer axles rated at 8,000 lbs using a 4-bolt brake flange. Intended for left-hand (driver side) installation.

Features:
  • Forward Self-Adjusting Design: Automatically maintains optimal brake shoe clearance.
  • Heavy-Duty Capacity: Rated for 8,000 lbs per axle (pair).
  • 12" x 3-1/2" Brake Size: Delivers strong, consistent braking performance.
  • Dust Shield Included: Protects internal components from debris and moisture.
  • Complete Assembly: Supplied with mounting studs for straightforward installation.
Product Overview:

The Dexter 4739-L Rockwell-style 8K electric brake assembly delivers durable, low-maintenance braking performance for heavy-duty trailer applications. Designed for left-side installation, it features a forward self-adjusting mechanism, integrated dust shield, and robust 12" x 3-1/2" braking surface to extend service life and ensure dependable stopping power.
11.gif

SIGN UP FOR OUR NEWSLETTER!

Learn about our products, weekly sales, discount codes and much more