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    Wiper Blade Sizes

    2018 Chevrolet Suburban Wiper Blade Sizes

    AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.

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    Quick reference

    PositionLength (in)Length (mm)AttachmentOEM PN
    Driver22550J-Hook
    Passenger22550J-Hook
    Rear13330J-Hook

    Best aftermarket replacements

    • Bosch ICON: (Premium price tier) Known for their beam blade design and long-lasting performance, offering excellent all-weather visibility.
    • Rain-X Latitude: (Mid-premium price tier) Features a contoured beam blade for even pressure distribution and a water-repelling coating for improved visibility.
    • Trico Force: (Mid price tier) A strong hybrid blade that combines the aerodynamic spoiler of a beam blade with the robust construction of a conventional blade.
    • Michelin Stealth: (Mid price tier) Hybrid design that provides good all-season performance and durability.
    • PIAA Si-Tech: (Premium price tier) Silicone blade technology offers quiet operation and exceptional water-beading properties.

    Attachment style

    For the 2018 Chevrolet Suburban, the wiper blades primarily use a J-hook attachment style. This is one of the most common attachment methods, making replacement straightforward for most owners.

    How to install

    Replacing the wiper blades on your 2018 Chevrolet Suburban is a relatively simple maintenance task you can do yourself. If your Suburban has an unusual attachment, consult your owner's manual or a quick online search to identify how to release it.

    1. 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 against the glass.
    2. Remove the old blade: Locate the small tab or clip on the wiper blade where it connects to the wiper arm. Press this tab and slide the old blade down and off the J-hook. You may need to apply a little force, but avoid excessive pulling.
    3. Attach the new blade: Slide the new wiper blade onto the J-hook. You should hear a click or feel it lock into place. Give it a gentle tug to ensure it's securely attached.
    4. Lower the wiper arm: Carefully lower the wiper arm back onto the windshield. Do not let it drop suddenly, as this could damage the windshield.
    5. Test the new blades: Turn on your wipers to ensure they are working correctly and making proper contact with the windshield.

    When to replace

    Wiper blades are wear-and-tear items and should be replaced regularly to maintain optimal visibility and safety. As a general guideline, you should consider replacing your wiper blades every 6 to 12 months, or sooner if you notice any of the following signs:

    • Streaking: If the blades leave behind streaks or lines of water on the windshield, it's a sign they are no longer clearing effectively.
    • Chattering or skipping: Worn blades can cause the wipers to skip or chatter across the windshield, creating an annoying noise and uneven clearing.
    • Squeaking: Loud squeaking during operation can indicate a worn or hardened blade.
    • Reduced visibility: If you notice your visibility is compromised during rain or snow, it's time for new blades.
    • Visible damage: Inspect the rubber element of the blade. If you see cracks, tears, or any signs of deterioration, replace them immediately.

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    More specs for the 2018 Chevrolet Suburban

    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

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