Lexus IS Brake Pads: Specs, Fitment & Wear Symptoms
Confirmed: an official Technical Service Bulletin acknowledges high-friction pads on performance F models can squeal as a known characteristic — with Lexus's own bulletin explicitly warning that a quieter alternative pad may reduce braking performance.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — front pads (aftermarket) Brembo P 83 074 / Bosch 0 986 494 316
| Front brake pads (aftermarket) | Brembo P 83 074 (155 x 60 x 18 mm, wear contact excluded, Advics); Bosch 0 986 494 316 (154.6 x 59.3 x 17.7 mm, sensor not stated); ATE 13.0460-5770.2 (154.6 x 59.5 x 17 mm, sensor not stated); TRW GDB3410 (154.6 x 59.5 x 17.7 mm, not prepared for a wear sensor, Akebono, COTEC line); Ferodo FDB1936 (154.5 x 59.2 x 17.7 mm, not prepared for a wear sensor, Advics); Ridex 402B0449 (154.6 x 59.3 x 17.8 mm, wear contact excluded) |
|---|---|
| Pad sizes & variants | The standard front set is about 155 x 59-60 mm (WVA 23983). A smaller 117.5 x 58.5 x 17 mm Ridex set (402B0731, WVA 23864) is also listed as front. |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine pads against your VIN |
| Fitment notes | Only the Brembo and Ridex sets are explicitly labelled front axle. The other brands share the 155 x 59 mm size, so confirm fitment before ordering. |
Hybrid Braking Changes the Wear Pattern
Both hybrid versions of the IS use regenerative braking to recover energy under normal deceleration, which means the pads themselves often see less use than on the petrol-only IS 350 — worth knowing before assuming a fixed replacement interval applies across the whole range.
Lexus IS Brake Pads: What They Do
Brake pads clamp against the discs to convert the car's momentum into heat, slowing it down. On the 350h and 450h+ hybrid versions of the IS, the regenerative braking system handles a meaningful share of everyday slowing, which can extend pad life compared with the petrol-only 350.
Lexus IS Brake Pads: Watch: Replacing It
Third-gen IS250, discs and pads; the guide does not say front-only.
Common Sizes
| IS 350 petrol (front) | Standard size — confirm via VIN |
|---|---|
| IS 350h hybrid | Confirm compatibility given regenerative braking system |
| IS 450h+ plug-in hybrid | Confirm compatibility given added battery weight |
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Confirmed: A Genuine Technical Service Bulletin Worth Knowing About — Lexus IS Brake Pads
If you're facing a squeal specifically on a high-performance F-branded model, this is genuinely worth knowing: a confirmed technical service bulletin acknowledges that these models are fitted with high-friction brake pads specifically designed for superior braking performance and response, and that this pad material can genuinely produce a squeal or squeak as a known characteristic rather than a fault. Lexus's own official response was to make an alternative brake pad material available as a service part for owners who find the noise objectionable. It's genuinely worth knowing, however, that the bulletin itself explicitly warns that switching to this alternative material may alter and possibly reduce overall braking performance — worth weighing up whether trading some outright stopping power for a quieter brake is genuinely the right call for how you use the car.
It's also genuinely worth knowing a reassuring clarification: a squeak that occurs only first thing in the morning or on the very first brake application, then clears up, is widely considered a normal characteristic caused by surface rust forming overnight, rather than a genuine fault.
Lexus IS Brake Pads: Wear Symptoms, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Brake Pads Guide for warning signs to watch for, confirming fitment against your VIN, and R90-certified aftermarket brands worth trusting.
More Lexus Brake Pads
The same part, covered across other Lexus models.