
TRW · Part number DF4377S · NZ$205.00 incl. GST
TRW Disc Brake Rotor 281mm x 24.2 Min by TRW, part number DF4377S.
NZ$205.00 including GST. Part number DF4377S.
Swapping Out Your Disc Brake Rotors — TRW Style
> Disc brake rotors are absolutely vital for your Alfa Romeo Mito or Fiat Stilo's braking. They're what the brake pads clamp onto when you need to pull up sharp. Over time, they get worn, warped, or just plain rooted, which means your braking won't be as good, especially when you're pushing it on those winding roads or stuck in city traffic.
What Clued You In?
• Brakes sound like a flock of seagulls (squealing).
• Feels like the whole car is shaking when you brake.
• Brakes just aren't biting like they used to.
• Rotors look like they've been through a war (scoring, rust).
• Your brake pads are wearing unevenly – dodgy!
WOF Woes?
Dodgy brake rotors are a surefire way to fail your WOF here in NZ. They need to be a certain thickness and not too munted to pass the test. Don't get caught out!
DIY or Get a Pro?
Difficulty: 6/10
Time Needed: About 1.5 - 2 hours per axle
Gear You'll Need: Jack and stands (never skip on safety!), wheel wrench, socket set, torque wrench, brake cleaner, and maybe a brake caliper piston tool.
🛠️ Bob's "Get It Done Right" Companion Checklist
Before you get cracking on those brakes, mate, let's sort out the essentials. Safety first, always!
• Safety Glasses: No one wants brake dust or rust in their peepers. Safety Glasses are a no-brainer.
• Nitrile Gloves: Keep your mitts clean and protected from brake fluid and grime. Grab some Nitrile Gloves.
• Brake Cleaner: Blast away that brake dust and grime before you start pulling things apart. Makes the job cleaner and easier. Brake Cleaner is your best mate here.
• Caliper Grease: A little dab of anti-seize caliper grease on the right spots keeps everything moving smoothly and prevents those annoying squeals. Trust me, you'll thank me later.
Bob's Two Cents
Worn rotors are a recipe for disaster. Get them sorted to keep your Alfa Romeo or Fiat stopping like it should. Pop into Bob's Shop – he'll sort you out with the right parts for your European hatchback. Bob's always keen for a yarn!
Fitment Tips
Double-check that these rotors fit your exact Alfa Romeo Mito or Fiat Stilo – model year and engine type matter! Make sure the rotor size is spot-on before you get started. Some models have different sizes, depending on factory options.
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🛠️ Bob's Pro Tip: Do the Job Right!
> If you're swapping out these parts on your vehicle Mito, always install fresh brake pads. Check out our compatible TRW Brake Pads (Part No. GDB1484) 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.