The right parking brake knobs and trailer air supply knobs are essential for reliable braking on semi trucks. This guide highlights five compatible sets designed to replace Bendix 298818N and 298817N components. Each option offers durable construction, clear color coding, and broad compatibility with Peterbilt, Kenworth, Volvo, and Western Star models. Review the features below to choose a kit that fits your vehicle and maintenance schedule.
| Brand | Product | Part Compatibility |
|---|---|---|
| Saihisday | Parking & Air Brake Knobs Set (Yellow / Red) | 298818N, 298817N, Bendix/EUclid/Meritor equivalents |
| AUPARTIK | Parking Brake Knob Yellow & Trailer Red Knob | 298818/298818N, 298817/298817N |
| YiaChuii | Yellow Parking Brake & Red Trailer Knob Set | 298818N, 298817N |
| Tigbear | Yellow Parking Brake & Red Trailer Knob | 298818/298818N, 298817/298817N |
| BlinkAutor | 2 Pc Parking Brake & Trailer Air Supply Knobs | 298818/298818N, 298817/298817N |
Saihisday Parking Brake Knob Set for 298818N/298817N

The Saihisday set includes yellow parking brake knobs and red trailer air brake knobs designed for 298818N and 298817N. It also lists compatibility with Bendix, Euclid, and Meritor equivalents, offering a broad range of fitment. Made from durable plastic with precise manufacturing, these knobs aim to deliver long service life and reliable operation in demanding trucking environments. The kit emphasizes ease of replacement for threaded push-pull valves, reducing downtime during maintenance.
AUPARTIK Parking Brake & Trailer Knob Set

AUPARTIK offers a Yellow Parking Brake knob and a Red Trailer Air Supply knob, compatible with Threaded Type Push-Pull Valves for Peterbilt, Kenworth, Volvo, and Western Star trucks. The part numbers align with Bendix 298818/298818N and 298817/298817N variants. The package includes both knobs, delivering a convenient, ready-to-install replacement. The design focuses on reliable performance and broad vehicle compatibility to minimize inventory needs for fleets or DIY repairs.
YiaChuii Yellow & Red Knob Set for MV3 Valves

The YiaChuii set provides a Yellow Parking Brake knob and a Red Trailer Brake knob, designed for MV3 valve applications. It lists replacement compatibility for Bendix 298818N and 298817N variants. The knobs are crafted from stainless steel push-pull valve components, aiming to combine durability and corrosion resistance with straightforward functionality for semi trucks requiring color-coded control elements.
Tigbear Parking & Trailer Brake Knobs

The Tigbear kit bundles a Yellow Parking Brake knob and a Red Trailer Air knob compatible with 298818/298818N and 298817/298817N variants. It emphasizes compatibility with Peterbilt, Kenworth, Volvo, and Western Star models, making it suitable for mixed fleets. The parts are described as high-quality and resistant to wear, with a focus on maintaining braking system responsiveness during routine service.
BlinkAutor 2 Pc Parking Brake & Trailer Air Supply Knobs

This 2-piece set includes a Yellow Parking Brake knob and a Red Trailer Air Supply knob, replacing Bendix 298818/298818N and 298817/298817N respectively. It highlights broad compatibility with Peterbilt, Kenworth, Volvo, and Western Star vehicles. The parts are marketed as lightweight yet durable, crafted to resist corrosion while delivering dependable control for braking operations in freight environments.
TIKSCIENCE 298818 Parking & Air Brake Knobs

The TIKSCIENCE set targets Peterbilt, Kenworth, Volvo, and Western Star trucks with a Yellow Parking Brake knob and a Red Trailer Air Supply knob. It specifies compatibility for Bendix 298818N and 298817N, and notes a 5/8″ threaded valve fitment. This option emphasizes precise replacement fit and user-verified compatibility to minimize installation issues in the field.
Buying Guide: Key Purchase Considerations
- Compatibility: Confirm part numbers (298818N, 298817N) and vehicle fitment for Peterbilt, Kenworth, Volvo, and Western Star models to avoid mismatches.
- Knob Color Coding: Yellow typically designates parking brake, while red indicates trailer air supply. Color-coding reduces operator error and enhances safety.
- Material & Durability: Look for high-quality plastic or metal components that resist wear, corrosion, and exposure to road grime in heavy-use environments.
- Installation Ease: Choose knobs with clear replacement guidance and straightforward push-pull valve compatibility to minimize downtime.
- Fleet Considerations: If managing multiple trucks, a single SKU with multiple compatibility notes can simplify stocking and maintenance planning.
- Brand & Warranty: Prefer reputable brands with clear warranty terms and documented fitment coverage for Bendix/EUclid/Meritor equivalents.
- OEM vs Aftermarket: OEM-like replacements can offer consistent fit, while aftermarket options may provide cost savingsāevaluate trade-offs for your operation.
- Valving Type: Ensure the knobs are designed for threaded push-pull valves as specified by each product to guarantee proper engagement and release.