OE Quality
60-Day Returns

Carlson 7938 Disc Brake Caliper Piston - Rear
Reliable Disc Brake Caliper Piston for Hyundai and Kia Vehicles
The Carlson 7938 disc brake caliper piston is designed to restore proper braking function for select Hyundai and Kia models. Engineered to meet OEM specifications, this component ensures consistent performance and durability for your vehicle's brake system.
Key Features of Carlson 7938 Disc Brake Caliper Piston
- Compatible with Hyundai Accent, Elantra, Kia Forte, Forte Koup, Rio, and Rio5
- Precision-engineered to match original equipment dimensions
- Durable construction for long-lasting brake system reliability
- Direct replacement part number 7938 for easy identification
Detailed Product Description
The Carlson 7938 disc brake caliper piston is a critical component within the brake hydraulics system, responsible for applying pressure to the brake pads and enabling effective stopping power. This piston is manufactured to exacting standards to ensure a proper seal and smooth operation within the caliper assembly. Compatible with a range of Hyundai and Kia models including the Accent, Elantra, Forte, Forte Koup, Rio, and Rio5, this part supports the maintenance and repair of your vehicle’s disc brake system. Using the correct piston helps maintain brake efficiency and safety by preventing fluid leaks and ensuring even pad wear.
Common Issues Addressed by This Caliper Piston
- Brake drag caused by a sticking or damaged piston
- Brake fluid leaks from worn or corroded piston surfaces
- Uneven brake pad wear due to piston malfunction
- Reduced braking performance from compromised caliper components
- Noise or vibration related to piston misalignment
Installation Notes and Tips
When installing the Carlson 7938 disc brake caliper piston, ensure the caliper bore is clean and free of debris to prevent damage to the new piston. Lubricate the piston and seals with appropriate brake fluid or assembly grease as recommended by the vehicle manufacturer. Verify that the piston moves smoothly within the caliper housing before reassembling the brake components. Proper installation is essential to maintain brake system integrity and performance.
Quality Assurance and Warranty Information
Carlson brake components are manufactured to meet or exceed industry standards for quality and durability. While specific warranty details for part number 7938 may vary, Carlson typically offers coverage against defects in materials and workmanship. Refer to the product documentation or contact the manufacturer for precise warranty terms related to this disc brake caliper piston.
This part fits 28 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Kia | Forte | Rear | Disc Brake Caliper Pin Kit - D1398 | |
| 2013 | Kia | Forte Koup | Rear | Disc Brake Caliper Pin Kit - D1398 | |
| 2012 | Hyundai | Elantra | Touring SE | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2012 | Hyundai | Elantra | Touring L | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2012 | Hyundai | Elantra | Touring GLS | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2012 | Hyundai | Elantra | Touring GL | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2012 | Kia | Forte | Rear | Disc Brake Caliper Pin Kit - D1398 | |
| 2012 | Kia | Forte Koup | Rear | Disc Brake Caliper Pin Kit - D1398 | |
| 2011 | Hyundai | Elantra | Rear | Disc Brake Caliper Pin Kit - D1398 | |
| 2011 | Kia | Forte | SX | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2011 | Kia | Forte | LX | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2011 | Kia | Forte | EX | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2011 | Kia | Forte Koup | Rear | Disc Brake Caliper Pin Kit - D1398 | |
| 2010 | Hyundai | Elantra | Touring SE | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2010 | Hyundai | Elantra | Touring L | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2010 | Hyundai | Elantra | Touring GLS | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2010 | Hyundai | Elantra | Touring GL | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2010 | Kia | Forte | SX | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2010 | Kia | Forte | LX | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2010 | Kia | Forte | EX | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2010 | Kia | Forte Koup | Rear | Disc Brake Caliper Pin Kit - D1398 | |
| 2009 | Hyundai | Elantra | Touring | Rear | Disc Brake Caliper Pin Kit - D1398 |
| 2007 | Hyundai | Accent | Rear | Disc Brake Caliper Pin Kit fits vehicles with D1157 brakes. | |
| 2007 | Kia | Rio | Rear | Disc Brake Caliper Pin Kit fits vehicles with D1157 brakes. | |
| 2007 | Kia | Rio5 | Rear | Disc Brake Caliper Pin Kit fits vehicles with D1157 brakes. | |
| 2006 | Hyundai | Accent | Rear | Disc Brake Caliper Pin Kit fits vehicles with D1157 brakes. | |
| 2006 | Kia | Rio | Rear | Disc Brake Caliper Pin Kit fits vehicles with D1157 brakes. | |
| 2006 | Kia | Rio5 | Rear | Disc Brake Caliper Pin Kit fits vehicles with D1157 brakes. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.