OE Quality
60-Day Returns

Rein BKN0043P CV Joint Boot Kit - Front Inner or Rear Inner
Reliable CV Joint Boot Kit for Audi A4, S4, RS4 Models
The Rein BKN0043P CV joint boot kit is designed specifically for Audi A4, A4 Quattro, RS4, and S4 models. This kit provides all necessary components to complete a CV boot replacement, ensuring proper driveline protection and performance.
Key Features of Rein BKN0043P CV Boot Kit
- Includes all required hardware for a complete repair, including clamps
- Supplied with original equipment (OE) grease for optimal lubrication
- Boot manufactured from high-quality materials to resist cracking and wear
- Produced by the OE manufacturer to meet factory specifications
- Application specific design for precise fit on Audi A4, A4 Quattro, RS4, and S4
Detailed Product Description
The Rein BKN0043P CV joint boot kit is engineered to restore the integrity of the constant velocity joint on select Audi models. The boot is crafted using durable materials that prevent premature cracking and deterioration caused by road debris and environmental factors. This kit includes OE-grade grease to maintain proper lubrication within the joint, reducing wear and extending service life. All necessary installation hardware, including clamps, is provided to ensure a secure and professional fit. Manufactured in Italy, this kit adheres to strict quality standards consistent with OE parts.
Common Applications and Repair Solutions
- Replacement of torn or cracked CV joint boots on Audi A4, A4 Quattro, RS4, and S4
- Prevention of grease leakage and contamination of the CV joint
- Restoration of driveline protection to avoid joint failure
- Addressing noise or vibration issues related to damaged CV boots
- Maintaining vehicle safety and drivability by preserving CV joint integrity
Installation Notes and Tips
The Rein BKN0043P kit includes all necessary hardware for installation; however, installation instructions are not included. It is recommended to have the replacement performed by a qualified technician familiar with Audi driveline components. Proper cleaning of the CV joint before boot installation and correct clamping are essential to ensure a long-lasting repair.
Quality Assurance and Warranty Information
Manufactured by Rein, a trusted OE supplier, this CV boot kit meets factory standards for fit and function. The product is made in Italy and undergoes quality control to ensure durability and performance. While specific warranty details are not provided, Rein products typically carry coverage against manufacturing defects when installed according to guidelines.
| Brand | Rein |
|---|---|
| Part Number | BKN0043P |
| Application Type | Application Specific |
| Container Type | BX |
| Country of Origin | IT |
| Installation Instructions Included | No |
| Is the Installation Hardware Included | Yes |
| Item Height | 3.7500 |
| Item Length | 7.5000 |
| Item Level GTIN | 843266019801 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 0.9100 |
| Item Weight Unit UOM | LB |
| Item Width | 5.5000 |
| Link to Manufacturer Page | www.reinautomotive.com |
| Product Desc Invoice 40 | Rein CV Boot Kit |
| Product Desc Long 80 | Rein OE Quality CV Boot Kit |
| Product Desc Short 20 | CV Boot Kit |
This part fits 47 vehicles. Search below:
| Year | Make | Model | Body Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2009 | Audi | A4 Quattro | Convertible | 2.0L | L4 | Rear Inner | ||
| 2009 | Audi | A4 Quattro | Convertible | 3.2L | V6 | Rear Inner | ||
| 2009 | Audi | S4 | 4.2L | V8 | Rear Inner | |||
| 2008 | Audi | A4 Quattro | 2.0L | L4 | Rear Inner | |||
| 2008 | Audi | A4 Quattro | 3.2L | V6 | Rear Inner | |||
| 2008 | Audi | A4 Quattro | Sedan | Manual | 3.2L | V6 | Front Inner | |
| 2008 | Audi | A4 Quattro | Wagon | Manual | 3.2L | V6 | Front Inner | |
| 2008 | Audi | RS4 | 4.2L | V8 | Rear Inner | |||
| 2008 | Audi | S4 | 4.2L | V8 | Rear Inner | |||
| 2007 | Audi | A4 Quattro | 2.0L | L4 | Rear Inner | |||
| 2007 | Audi | A4 Quattro | 3.2L | V6 | Rear Inner | |||
| 2007 | Audi | A4 Quattro | Sedan | Manual | 3.2L | V6 | Front Inner | |
| 2007 | Audi | A4 Quattro | Wagon | Manual | 3.2L | V6 | Front Inner | |
| 2007 | Audi | RS4 | 4.2L | V8 | Rear Inner | |||
| 2007 | Audi | S4 | 4.2L | V8 | Rear Inner | |||
| 2006 | Audi | A4 Quattro | 2.0L | L4 | Rear Inner | |||
| 2006 | Audi | A4 Quattro | 3.0L | V6 | Rear Inner | w/75.5mm Dia. Axle Stub Shaft | ||
| 2006 | Audi | A4 Quattro | 3.2L | V6 | Rear Inner | |||
| 2006 | Audi | A4 Quattro | Manual | 3.2L | V6 | Front Inner | ||
| 2006 | Audi | S4 | Sedan | 4.2L | V8 | Rear Inner | ||
| 2006 | Audi | S4 | Wagon | 4.2L | V8 | Rear Inner | ||
| 2006 | Audi | S4 | Convertible | 4.2L | V8 | Rear Inner | w/75.5mm Dia. Axle Stub Shaft | |
| 2005 | Audi | A4 | Manual | 3.2L | V6 | Front Inner | ||
| 2005 | Audi | A4 | 3.2L | V6 | Rear Inner | |||
| 2005 | Audi | A4 Quattro | 1.8L | L4 | Rear Inner | |||
| 2005 | Audi | A4 Quattro | 2.0L | L4 | Rear Inner | |||
| 2005 | Audi | A4 Quattro | Convertible | 3.0L | V6 | Rear Inner | w/75.5mm Dia. Axle Stub Shaft | |
| 2005 | Audi | A4 Quattro | Sedan | 3.0L | V6 | Rear Inner | ||
| 2005 | Audi | A4 Quattro | Wagon | 3.0L | V6 | Rear Inner | ||
| 2005 | Audi | A4 Quattro | 3.2L | V6 | Rear Inner | |||
| 2005 | Audi | S4 | Sedan | 4.2L | V8 | Rear Inner | ||
| 2005 | Audi | S4 | Wagon | 4.2L | V8 | Rear Inner | ||
| 2005 | Audi | S4 | Convertible | 4.2L | V8 | Rear Inner | w/75.5mm Dia. Axle Stub Shaft | |
| 2004 | Audi | A4 Quattro | 1.8L | L4 | Rear Inner | |||
| 2004 | Audi | A4 Quattro | Sedan | Manual | 3.0L | V6 | Front Inner | |
| 2004 | Audi | A4 Quattro | Wagon | Manual | 3.0L | V6 | Front Inner | |
| 2004 | Audi | A4 Quattro | Convertible | 3.0L | V6 | Rear Inner | w/75.5mm Dia. Axle Stub Shaft | |
| 2004 | Audi | A4 Quattro | Sedan | 3.0L | V6 | Rear Inner | ||
| 2004 | Audi | A4 Quattro | Wagon | 3.0L | V6 | Rear Inner | ||
| 2004 | Audi | S4 | Sedan | 4.2L | V8 | Rear Inner | ||
| 2004 | Audi | S4 | Wagon | 4.2L | V8 | Rear Inner | ||
| 2004 | Audi | S4 | Convertible | 4.2L | V8 | Rear Inner | w/75.5mm Dia. Axle Stub Shaft | |
| 2003 | Audi | A4 Quattro | 1.8L | L4 | Rear Inner | From VIN 8E3134001 | ||
| 2003 | Audi | A4 Quattro | Manual | 3.0L | V6 | Front Inner | ||
| 2003 | Audi | A4 Quattro | 3.0L | V6 | Rear Inner | |||
| 2002 | Audi | A4 Quattro | Manual | 3.0L | V6 | Front Inner | ||
| 2002 | Audi | A4 Quattro | 3.0L | V6 | Rear Inner |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.