2022 Peterbilt 389 Wiper Blade Sizes
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Quick reference
| Position | Length (in) | Length (mm) | Attachment | OEM PN |
|---|---|---|---|---|
| Driver | 22 | 550 | J-hook | |
| Passenger | 22 | 550 | J-hook |
Best aftermarket replacements
When it comes to keeping your windshield clear, several aftermarket brands offer excellent alternatives to OEM blades for your 2022 Peterbilt 389. These options often provide enhanced performance and durability.
- Bosch ICON: (Premium price) Known for their beam blade technology, Bosch ICON wipers offer superior all-weather performance and a long lifespan.
- Rain-X Latitude: (Mid-range to Premium price) These beam blades are designed to provide even pressure distribution and feature a special water-repelling coating.
- Trico Force: (Mid-range price) Trico Force blades are engineered for strong, durable performance, often featuring a robust construction for harsh conditions.
- Michelin Stealth: (Mid-range price) Utilizing a hybrid blade design, Michelin Stealth wipers combine the aerodynamic properties of beam blades with the robust construction of conventional blades.
- PIAA Si-Tech: (Premium price) PIAA Si-Tech blades feature silicone rubber, which provides a streak-free wipe and forms a water-repellent coating on your windshield over time.
Attachment style
The 2022 Peterbilt 389 typically utilizes a J-hook style attachment for its wiper blades. This is one of the most common and straightforward attachment methods, making replacement relatively simple. Always double-check your existing wipers to confirm the attachment type before purchasing new blades, as variations can occur.
How to install
Replacing the wiper blades on your 2022 Peterbilt 389 is a straightforward maintenance task that can significantly improve your visibility. Here are the generic steps:
- Lift the wiper arm: Gently pull the wiper arm away from the windshield until it locks into the upright position. Be careful not to let it snap back down against the glass.
- Remove the old blade: Locate the small tab or clip on the underside of the wiper blade where it connects to the J-hook. Press this tab and slide the old blade down and off the J-hook. You may need to wiggle it slightly to disengage.
- Attach the new blade: Guide the J-hook through the adapter on the new wiper blade. Ensure it clicks securely into place. Give it a gentle tug to confirm it's firmly attached.
- Lower the wiper arm: Carefully lower the wiper arm back onto the windshield. Do not let it drop suddenly.
- Test the new blades: Turn on your wipers to ensure they operate correctly and provide a clear, streak-free wipe. Apply some windshield washer fluid to help with this test.
Note: While most 2022 Peterbilt 389s use a J-hook, some aftermarket blades may come with multiple adapters. Follow the specific instructions provided with your new blades if they deviate from these generic steps.
When to replace
Wiper blades are wear-and-tear items that require regular replacement to maintain optimal visibility and safety, especially for a vehicle like the Peterbilt 389 that spends a lot of time on the road. As a general rule, you should replace your wiper blades every 6 to 12 months, or at the first signs of performance degradation. Key indicators that your wipers need to be replaced include:
- Streaking: If your wipers leave streaks or lines across your windshield, the rubber edge is likely worn or damaged.
- Chattering or skipping: When the blades don't glide smoothly across the glass and instead jump or chatter, it's a sign that the rubber compound has hardened or the blade is no longer making even contact.
- Squeaking: A persistent squeaking sound during operation often indicates worn or improperly aligned blades.
- Visible damage: Tears, cracks, or missing pieces of the rubber element are clear signs that replacement is necessary.
Don't wait for a heavy rainstorm to discover your wipers aren't up to the task. Regular inspection and timely replacement will ensure you always have a clear view of the road ahead.
Need wipers swapped fast? Find a shop on Repairius.
More specs for the 2022 Peterbilt 389
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2022 Peterbilt 389 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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Values can vary by engine, trim and build date; check your VIN-specific service information. Updated 2026-06-23.