# Transit Auto K8S-104985 Rear Disc Brake Kit for 2005-2008 Cadillac STS

### Performance Overview

Transit Auto offers the most comprehensive and highest-quality replacement kits on the market. Thanks to our cutting-edge AI, in-house product team, and proprietary fitment data, we are able to build and deliver the most accurate kits on the market. All our kits include the highest-quality parts on the market, sourced directly by Transit and its sub-brands. Backed by over 50 years of experience and with in-house quality assurance, every customer Transit Auto K8S-104985 is a vehicle-specific disc brake kit designed for compatible applications for 2005-2008 Cadillac STS.

### Key Features

-   Exclusive MetalliX™ Low Resin Semi-Metallic compound provides unmatched braking performance (Abrasive Friction, Temperature Tolerance, Compound Warming) while
-   Exclusive MetalliX™ Low Resin Semi-Metallic compound provides unmatched braking performance (abrasive friction, high temperature tolerance, quicker compound
-   Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched
-   Rubberized Multi-Layer Stainless Steel Shim reduces noise, vibration, and harshness for complete quietness
-   Engineered with High Carbon SteelRX™ alloy (Pressure Resistant, Thermal Conductive) and dipped in an Anti-Rust Black Paint to improve durability

### Vehicle Fitment

**Fitment Position:** Rear

**Fitment Summary:** 2005-2008 Cadillac STS

**Position:** Rear

-   2006-2008 Cadillac STS — Position: Rear; Fitment Precision: Base; Note: With 298mm Diameter Rear Rotor and With Base Brakes
-   2006-2008 Cadillac STS — Position: Rear; Fitment Precision: V and with 4.4L; Note: With 298mm Diameter Rear Rotor and With Base Brakes
-   2005 Cadillac STS — Position: Rear; Note: With 298mm Diameter Rear Rotor and With GM Brake Code JL9

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is K8S-104985.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Disc Brake Kit for STS
-   Disc Brake Kit for Cadillac STS
-   K8S-104985 fitment
-   Transit Auto Disc Brake Kit
-   Rear Disc Brake Kit
-   2005 Cadillac STS Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2006

Cadillac

STS

Rear

Base

With 298mm Diameter Rear Rotor and With Base Brakes

2007

Cadillac

STS

Rear

Base

With 298mm Diameter Rear Rotor and With Base Brakes

2008

Cadillac

STS

Rear

Base

With 298mm Diameter Rear Rotor and With Base Brakes

2006

Cadillac

STS

Rear

V and with 4.4L

With 298mm Diameter Rear Rotor and With Base Brakes

2007

Cadillac

STS

Rear

V and with 4.4L

With 298mm Diameter Rear Rotor and With Base Brakes

2008

Cadillac

STS

Rear

V and with 4.4L

With 298mm Diameter Rear Rotor and With Base Brakes

2005

Cadillac

STS

Rear

With 298mm Diameter Rear Rotor and With GM Brake Code JL9

## Details

- **Price:** 194.46 CAD
- **Vendor:** Transit Auto
- **Type:** Disc Brake Kit
- **Tags:** 2005 Cadillac STS, 2006 Cadillac STS, 2007 Cadillac STS, 2008 Cadillac STS, Automotive Parts, Daily Driver, Direct Replacement, Disc Brake Kit, Disc Rotors and Semi-Metallic Brake Pads Kit, K8S-104985, Rear, Transit Auto, Transit Auto K8S-104985, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 194.46 CAD | In stock |

## Images

- Transit Auto K8S-104985 Disc Brake Kit for 2005-2008 Cadillac STS - Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-k8s-104985-disc-brake-kit-for-2005-2008-cadillac-sts-rear-k8s-104985)
> Updated: 2026-06-03