Replacement Dimmer Wiper Knob Set for Peterbilt 379 - Chrome Plated Aluminum

Replacement for the dimmer and wiper control knobs on Peterbilt 379 trucks built in 1989. This set uses chrome plated aluminum to match the original mounting points and control layout in the cab.

Key Features & Benefits

• Chrome plated aluminum matches factory finish on control surfaces
• Direct fit for 1989 Peterbilt 379 dimmer and wiper switches
• Two-piece knob set covers both functions in one package
• Designed to restore original switch operation without modification

Product Specifications

• Construction: Chrome plated aluminum
• Application: Dimmer and wiper control knobs
• Model year fit: 1989
• OEM reference: 379 YEAR 1989 CHROME PLATED ALUMINUM DIMMER W

Replacement Compatibility

Peterbilt 379 (1989)

Discover the Perfect Replacement

Restore cab controls with this direct replacement knob set made for the 1989 Peterbilt 379. Check fitment details and order the parts required for your truck.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.