TRW · Part number DF4125S · NZ$333.00 incl. GST
Need new disc brake rotors for your high-performance European ride like an Audi A8 or S6? These rotors are what your brake pads grip to bring you to a halt.
NZ$333.00 including GST. Part number DF4125S.
Swapping Out Your Disc Brake Rotors — Featuring TRW
> Disc brake rotors are those shiny metal discs doing the rounds with your wheels. They're the surface your brake pads clamp onto. Over time, they can warp, crack, or just get too thin from heat and wear. This can seriously mess with your stopping power, especially in a grunty Audi.
Spotting the Warning Signs
• Feeling a wobble through the brake pedal or steering wheel when you hit the brakes?
• Hearing squeals, scrapes, or a proper grinding noise when braking?
• Noticing it's taking longer to pull up?
• Seeing scoring, grooves, or discolouration on the rotor itself?
• Brake pedal feeling soft or spongy?
WOF Worthy?
Nope. If your brake rotors are knackered – severely worn, warped, or damaged – your car will fail its WOF faster than you can say 'cafe lunch'. Brakes are a no-brainer for safety.
DIY or Workshop?
Difficulty: 6/10 (A good weekend job)
Estimated Time: 1-2 hours per wheel
Tools You'll Need: Jack, axle stands, wheel brace, socket/wrench for the brake caliper, G-clamp or caliper piston tool, torque wrench, wire brush, brake cleaner, maybe an impact wrench if things are really stuck.
🛠️ Bob's "Get It Done Right" Companion Checklist
• Safety First, Eh?: Never, ever get under a car supported only by a jack. Use proper axle stands. Wear safety glasses to keep the brake dust out of your eyes.
• Keep it Clean: Brake dust is nasty stuff. Give everything a good blast with Brake Cleaner before you start pulling things apart. It'll make the job a lot cleaner and safer.
• Protect Your Hands: Those rotors can be rough on the mitts. Grab a pair of Nitrile Gloves to keep your hands clean and protected.
• Caliper Slide Grease: When reassembling, don't forget to apply a dab of anti-seize caliper grease to the caliper slide pins. This helps everything move smoothly and prevents future squeaks.
Expert Recommendation
Here at CARFIX, we reckon braking performance is primo, especially for a sophisticated car like an Audi A8 or S6. It's not just about safety; it's about how the car feels on the road. Dodgy rotors can ruin that. I'd swap them out the moment they show wear and tear, or if they're thinner than the manufacturer says. The TRW DF4125S rotor is a sweet choice, known for quality and performance, ideal for these Audis. But, we've got plenty of options from brands you trust. Give Bob @ CARFIX a yell, and he'll sort you out with the right part for your Audi. Head over to Bob's Shop for a yarn!
Fitment Notes
This rotor fits a bunch of Audi models, including the Audi 100 S4 Turbo (1991-1994), Audi A8 (1998-2002), Audi 100 S4 V8 (1992-1994), Audi A6 S6 4.2 (1994-1997), and Audi A6 S6 Turbo (1994-1997). Always double-check the specs against your car's VIN to be sure, especially with all the variations in these Audi platforms.
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🛠️ Bob's Pro Tip: Do the Job Right!
> If you're swapping out these parts on your vehicle, always install fresh brake pads. Check out our compatible TRW Brake Pads (Part No. GDB1285) 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.