2017 Isuzu NPR — Wiper Blade Sizes

Quick reference

Note: Most 2017 Isuzu NPR models use bayonet-style arms and do not have a rear wiper. Some trucks may have been retrofitted with different arms; verify attachment before purchase.

Best aftermarket replacements

These popular beam-style blades are widely available in 24-inch lengths. Ensure the package includes a bayonet adapter compatible with 8 mm commercial arms, or choose the brand’s heavy-duty/commercial line when offered.

• Bosch ICON (premium, ~$28–40 each): Excellent durability and all-weather performance. Verify bayonet adapter or use Bosch commercial/HD variants if needed.
• Rain-X Latitude (mid-premium, ~$20–30 each): Good value and wet-weather clarity; check for bayonet-compatible adapters.
• Trico Force (premium, ~$22–35 each): Aerodynamic beam blade; Trico HD/commercial lines are a strong choice for bayonet arms.
• Michelin Stealth (mid-range, ~$18–28 each): Hybrid frame/beam design; confirm adapter fitment for bayonet.
• PIAA Si-Tech (premium, ~$28–45 each): Silicone rubber for long life and water beading; ensure bayonet fit or available adapter.

If you cannot find a bayonet adapter in the consumer packaging, look for heavy-duty lines labeled for 8 mm bayonet or “commercial truck” fitment.

Attachment style

• Primary style: 8 mm bayonet. The blade slides straight onto a flat bayonet arm and locks with a tab/clip.
• Possible variations: Some NPRs may have replacement arms that use J-hook or side-pin attachments. Inspect your arm end before ordering: flat blade-style tongue = bayonet; curved hook = J-hook; round pin protrusion = side pin.

How to install

1. Park on level ground, switch off ignition, and lift the wiper arms off the windshield. Place a towel on the glass to protect it.
2. Remove the old blade (bayonet): Depress the locking tab or lift the safety clip, then slide the blade straight off the arm’s bayonet.
3. Prepare the new blade: Select the bayonet adapter if the blade uses multi-adapters. Attach the adapter firmly to the blade if required.
4. Install: Align the arm’s bayonet with the blade adapter channel and slide it in until it clicks/locks. Tug gently to confirm it’s secure.
5. Lower the arm carefully to the glass. Repeat on the other side.
6. Test: Run washers and wipers to verify smooth, quiet operation and full sweep coverage.

Note: If your truck uses J-hook, side-pin, or push-button arms due to prior modifications, follow the adapter instructions in the blade kit for that specific style.

When to replace

• Interval: Every 6–12 months is typical for work trucks, sooner in harsh heat, sun, salt, or heavy use.
• Symptoms: Streaking or hazy film, skipping/chattering, split or frayed rubber edge, bent backbone, or increased noise. Reduced performance in rain is a safety risk—replace promptly.

Need wipers swapped fast? Find a shop on Repairius.