Semi Truck Shifter Knob Guide: Types, Fitment & Tips

11th Jun 2025

You spend countless hours behind the wheel of your semi truck, looking at your fuel gauge, speedometer, and everything else on your dash. So when it comes to aftermarket customizations, upgrading your interior should probably be the first thing on the list.

Custom shift dash knobs. These don't just look cool—they can enhance your grip comfort and completely personalize your big rig.

Here's a roundup of FIVE slick-looking semi-truck shifter knobs that'll immediately elevate your truck's interior.

How to Find the Right Shifter Knob Size

The shifter knob size is based on your transmission's speed model.

You can find the speed and brand of the transmission

Eaton Fuller transmissions have 10-, 13-, 5- and 18-speed models.

Shifter Knobs with Pneumatic Control Valves

9/10-speed requires range only; 13/15/18-speed needs range and splitter.
Thread type/adapter: the shift sticks vary, but most kits have thread adapters. Verify the lever thread size and height.
Air line connections: identify the number, size, and labels of the ports on a new shifter knob. Pre-assembled shifter knob kits make it easier because they offer a push-to-connect fitting and color-coded tags.
Valve Logic: the new knob's ports should match your transmission's range/splitter.

Top 5 Most Unique Semi Truck Shifter Knobs

1. Chrome Shifter Knob Kit with Stainless Top

Why it's cool: This knob is all about polished elegance. It instantly upgrades your cab with a sleek, professional vibe.
Features:
- Stainless steel top, chrome lower cover.
- Easy fit for 9/10/13/15/18-speed transmissions.
- Quick installation—no hassle.
Perfect if: You love a classic chrome interior.

2. Burlwood Wood Grain Shift Knob

Why it's classic: Warm, vintage vibes meet modern functionality.
Features:
- Authentic wood grain finish.
- Smooth and comfortable grip.
- Durable design, easy to clean.
Perfect if: You're into retro styling with a luxurious feel.

3. Custom Chrome Skull Head Gearshift Knob

Why it's cool: Bold and daring—make a statement without saying a word.
Features:
- Intricately crafted skull design in chrome.
- Sturdy construction built to last.
- Eye-catching and unique.
Perfect if: You love a bit of edge and personality in your rig.

4. Classic 8 Ball Shift Knob

Why it's cool: Nothing says classic cool like an old-school 8-ball.
Features:
- Nostalgic black-and-white design.
- Simple, universal threading.
- Durable, smooth feel.
Perfect if: You want to bring some timeless charm to your cab.

5. Chrome Lady Shift Knob

Why choose this throwback: For drivers looking to add character, match a vintage theme inside of their big rig, and choose between a replacement kit or just the individual knob itself.
Features:
- Iconic chrome lady emblem.
- Compatible with 9/10/13/15/18-speed transmissions.
- Comfortable grip, great aesthetics.
Perfect if: You appreciate distinctive and playful cab accessories.

What Makes a Shifter Knob Truly Unique?

When looking for the perfect knob, consider these essentials:

Materials: Chrome, stainless steel, wood, or resin for durability and style.
Comfort & Functionality: Ergonomic grip, smooth shifts.
Visual Impact: From sleek minimalist designs to bold conversation starters.

Installation Tips: Swap Your Knob in Minutes

Installing a shift knob doesn't have to be complicated:

Unscrew your current knob.
Check threading size and adapters.
Screw in your new shift knob tightly.
Consider gear shift covers for added comfort and protection.

Why Invest in a Custom Shifter Knob?

Custom knobs offer more than style:

Improved Comfort: Easier grip, better shifts.
Durability: High-quality materials last longer.
Personalization: Reflect your personality and improve your driving experience.