Diagram Reference #25
PFF3-725 is a two-part insert designed to limit transmission movement under load. The lower A-Bush acts to fill the voiding of the original rubber mount, while the upper B-Bush acts as a buffer to eliminate movement between the upper and lower portions of the mount. An increase in NVH should be expected when stiffening the connecting mount between the transmission and chassis. The harder the material, the greater the NVH transmitted. If the increased NVH is considered too much, the upper B-Bush can be removed to relieve this. For the Audi A7, this part only fits front-wheel drive models.
OEM Part Number: 8K0399151BC / 8K0399151BD / 8K0399115BK
OEM Part Number: 8K0399151CD / 8K0399151CL
OEM Part Number: 8K0399151DB / 8K0399151DC
Upgrade Your Car with POWERFLEX Polyurethane Bushes!
Suspension bushes are some of the most highly stressed components fitted to a motor car. They undergo enormous strains and in the most arduous of conditions with no maintenance or lubrication.
The material OEM bushes are manufactured from is a rubber compound containing natural products that deteriorate with age. It becomes softer and more pliable, resisting the forces placed on it less and less. Therefore allowing more and more movement of suspension components and offering less and less control over the suspension geometry.
This in turn causes accelerated tyre wear, braking instability, and poor handling. This is the single biggest reason you can instantly tell the difference driving a three-year-old car compared to a showroom new one. However, even new cars will benefit from POWERFLEX bushes because of the superior design they offer much more effective control of the suspension components to a much greater extent than normal rubber items.
With the technological advances of polyurethane, it has been possible to overcome the common problem associated with harder bushes which is increased noise. By correctly engineering the polyurethane compound, bushes can be made 25-30% stiffer than new rubber items but with exactly the same noise absorbing properties.
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- POWERFLEX bushes make sense.
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The prices and quantities shown on our website are per pack.
Each pack includes the amount of bushes required for that vehicle. If your vehicle requires two of one bush, you only have to buy the product once.
The number of bushes required per car are shown in the product code (e.g., codes ending in x1, x2, x4 mean 1, 2, or 4 per car).
