Semi Truck Air Brake Knob Set (Parking + Trailer) – Yellow/Red 5/8" – Replaces Bendix 298818/298817
Warranty Information
ROADWEST stands behind the parts we sell. Unless otherwise stated on the product page, your purchase is covered by a 1-Year Limited Warranty against manufacturing defects under normal use.
What’s covered
- Defects in materials or workmanship
- Premature failure caused by factory-related issues
What’s not covered
- Normal wear and tear, cosmetic aging, corrosion from environment/road salt
- Damage from improper installation, incorrect wiring, modifications, misuse, or accidents
- Labor costs (installation/removal), downtime, towing, or other indirect costs
How to file a claim
Contact us with:
- Order number
- Product name / SKU
- Clear photos or a short video showing the issue
If approved, ROADWEST will provide an appropriate resolution (replacement parts, replacement unit, or refund/credit).
Please do not send items back without return authorization.
For more details, see our Shipping Policy, Easy Return & Refund Policy, and Warranty pages.
Shipping & Returns
Most ROADWEST orders ship from our U.S. warehouses within 1–2 business days. Standard ground delivery in the contiguous United States is typically 1–3 business days, with freight service used for oversized or extra-heavy parts.
- Shipping area: United States only (no PO Boxes or international addresses).
- Processing time: In-stock items usually ship within 1–2 business days, Mon–Fri.
- Delivery: Standard ground or LTL freight depending on size and weight.
- Returns: Most unused items may be returned within 30 days of delivery, subject to inspection and our return guidelines.
- Costs: Original and return shipping are generally the customer’s responsibility, unless the issue is caused by ROADWEST (wrong item, damaged on arrival, etc.).
For full details, please review our Shipping Policy and Easy Return & Refund Policy before placing your order.
Restore safe, precise brake control in your cab with the High Soar 298818N Yellow Parking Brake & 298817N Red Air Brake Knobs Set. Designed as a direct replacement for Bendix push-pull brake valve knobs, this kit helps you easily identify and operate both the tractor air brake and trailer parking brake functions.
This set includes one red service brake valve knob and one yellow parking brake knob, each engineered with a standard 5/8" threaded connection for fast installation on most semi truck dash-mounted push-pull valves. Lightweight yet durable plastic construction is built to handle daily use in fleet and owner-operator environments.
Engineered for compatibility with major heavy-duty brands including Peterbilt, Kenworth, Volvo, and Western Star, these knobs are an ideal choice when your factory knobs are faded, cracked, or missing. Clear red and yellow coloring helps maintain proper DOT-style identification for intuitive use.
- Direct Bendix replacement – Red air brake knob replaces Bendix 298817, 298817N, TR298817, V118490, 25110978, 79101-3201.
- Yellow parking brake knob replaces Bendix 298818, 298818N, TR298818, V1118489, 25110977.
- Standard 5/8" thread size for quick, secure installation on most threaded push-pull valves.
- Compatible with major truck brands such as Peterbilt, Kenworth, Volvo, and Western Star (check thread style before purchase).
- Durable molded plastic – corrosion-resistant, lightweight, and designed to withstand daily cab use.
- Clear color coding – red knob for trailer/service brake, yellow knob for parking brake, following common industry convention.
- Complete 2-piece kit – includes both knobs to refresh your dash controls at the same time.
| Brand | High Soar |
|---|---|
| Product Type | Semi Truck Air & Parking Brake Control Knob Set |
| Applications | Semi Trucks, Tractor-Trailers, Heavy-Duty Trucks with Push-Pull Brake Valves |
| Knob Colors | Yellow (Parking Brake) & Red (Air / Trailer Brake) |
| Thread Size | Standard 5/8" (Approx. 0.62") |
| Handle Type | Knob – Push-Pull Valve Control |
| Material | Engineered Plastic |
| Cross Reference – Red Knob | Bendix 298817; 298817N; TR298817; V118490; 25110978; 79101-3201 |
| Cross Reference – Yellow Knob | Bendix 298818; 298818N; TR298818; V1118489; 25110977 |
| Product Dimensions | Approx. 4" L × 5" W (per set) |
| Included Components | 1 × Red Air Brake Valve Knob; 1 × Yellow Parking Brake Knob |
| Fit Type | Threaded Push-Pull Valve – Universal 5/8" Thread (Verify Before Purchase) |
| Manufacturer | High Soar |