SKU: TS-RDI-861
Torque Solution 05-09 Audi S4 (B7) / 03-05 Audi S4 (B6) Billet Rear Differential Mount Insert
The Torque Solution TS-RDI-861 billet rear differential mount insert replaces the factory rubber bushing in 2003-2009 Audi S4 B6 and B7 models. This direct bolt-on part sharpens power delivery by minimizing drivetrain slop for better traction and stability. Drivers experience reduced wheel hop during acceleration and improved launches on 2003-2005 B6 and 2005-2009 B7 chassis.
Key Features
- Billet 6061-T6 Aluminum Construction: Lightweight and durable material machined to precise tolerances for performance under high stress and heat.
- Black Anodized Finish: Provides corrosion resistance against road debris, heat, and wear to maintain appearance and longevity.
- Direct Bolt-On Design: Matches OEM mounting points with no modifications required for fast and easy installation.
- Wheel Hop Reduction: Stiffer design removes drivetrain play for sharper throttle response and consistent power transfer.
- Enhanced Traction: Delivers engine power directly to wheels for stronger launches and better cornering grip.
Product Notes
- Inspect differential bushings before install to ensure compatibility.
- Clean mounting surfaces thoroughly for secure adhesion.
- Packaged in protective foam for damage-free delivery.
Installation Notes
- Professional installation recommended.
- Raise vehicle securely and support differential during replacement.
- Reuse OEM hardware or Torque Solution bushings torque to 25 Nm.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2004 | Audi | S4 | Sedan B6 |
| 2003-2005 | Audi | S4 | Cabriolet B6 |
| 2005 | Audi | S4 | Sedan/Coupe B6 |
| 2005-2009 | Audi | S4 | Sedan/Coupe/Cabriolet B7 |
Why Choose Torque Solution?
- Trusted by track enthusiasts for reliable drivetrain upgrades.
- Engineered with motorsport-grade materials for daily and race use.
- CNC precision manufacturing ensures perfect fit and function.
Frequently Asked Questions
- Q: Does this fit both B6 and B7 Audi S4 models?
A: Yes TS-RDI-861 is compatible with 2003-2005 B6 and 2005-2009 B7 S4 chassis including sedan coupe and cabriolet variants. - Q: What material is used in this differential insert?
A: Constructed from high-strength 6061-T6 billet aluminum with black anodized finish for durability and heat resistance. - Q: What warranty covers this product?
A: Backed by Torque Solution lifetime warranty against manufacturing defects when installed correctly.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Compact box measures 6 x 4 x 1.5 inches
- Weight: 0.35 lbs
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