CARFIX

RDA Brakes Standard Disc Brake Rotor Vented 300mm

RDA Brakes — RDA Brakes Standard Disc Brake Rotor Vented 300mm — part number RDA8445

RDA Brakes · Part number RDA8445 · NZ$158.00 incl. GST

Need new disc brake rotors for your tough 4x4 or Ute like the Holden Colorado, Isuzu D-Max, or Holden Trailblazer? These rotors are what your brake pads grip onto, giving you the stopping power you need, especially when you're towing the boat or hitting the trails. The RDA's are a top pick and we keep them in stock with other big names.

Price

NZ$158.00 including GST. Part number RDA8445.

Fits these vehicles

Description

Swapping Out Your Disc Brake Rotors — Featuring RDA
> Disc brake rotors cop a hiding, turning all that stopping energy into heat. If you're driving a workhorse like a Holden Colorado or Isuzu D-Max, especially if you're towing or off-roading, those rotors can warp or wear down fast. That means dodgy braking and a real safety risk.
Spotting the Warning Signs
• Feeling a wobble in the brake pedal or steering wheel when you brake?
• Hearing squeals, grinding, or scraping when you hit the brakes?
• Taking longer to stop or your brake pedal feels a bit soft?
• Seeing scoring, grooves, or funny colours on the rotor itself?
WOF Woes?
Worn-out brake rotors are a no-brainer WOF failure. They're a critical safety item, so if they're not up to scratch, you're off the road until they're sorted.
DIY or Get a Pro?
Difficulty: 6/10 (A good weekend project)
Estimated Time: 1-2 hours per axle
Gear You'll Need: Jack, jack stands (never skip these!), wheel brace, brake caliper wind-back tool, torque wrench, socket set, spanner set, brake cleaner, wire brush, safety glasses, gloves.
🛠️ Bob's "Get It Done Right" Companion Checklist
Before you start yanking things apart, safety first, eh? Chuck on some Safety Glasses to keep the crud out of your eyes, and grab some Nitrile Gloves – brake dust is nasty stuff. Give those new rotors a good spray down with Brake Cleaner to get rid of any factory grease. And don't forget a smear of anti-seize on the caliper bolts when you put it all back together – makes life easier next time!
Bob's Two Cents
Bob @ CARFIX reckons if your rotors are looking tired or damaged, just replace them. The RDA RDA8445 is a solid choice for your Holden Colorado, Isuzu D-Max, or Holden Trailblazer, built tough for our conditions. Give Bob's Shop a yell and we'll get you sorted with the right bits for your Ute or 4x4!
Fitment Notes
This rotor (RDA8445) is made for the front of Holden Colorado (2012-2020), Holden Colorado 7 (2012-2016), Holden Trailblazer (2016-2020), Isuzu D-Max (2012-2999), and HSV SportsCat (2018-2020) models. Always double-check the year, model, and engine of your vehicle to make sure it's the right fit, especially if you've got aftermarket brake upgrades or a fancy trim level.

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🛠️ Bob's Pro Tip: Do the Job Right!
> GDB3466DT)](/parts/GDB3466DT) to ensure a perfect bed-in and get the job done properly first time!

🧰 What Else You'll Need:
• Safety First: Never work under a vehicle supported only by a jack. Always secure it on heavy-duty safety jack stands.
• Brake Dust Protection: Keep a pack of Nitrile Gloves handy to protect your hands from grease and dust.
• Clean and Prep: Use Brake Cleaner to clean the anti-corrosion shipping oil off the new rotors before mounting the calipers.
• Lubrication: Apply caliper grease to caliper slide pins and pad contact points to prevent squealing.