Is DriftX a workshop or a parts supplier?

DriftX is both a performance workshop and a parts supplier. Workshop services are delivered locally from our Warwickshire base, and parts supply is available UK-wide. Many products can be supplied and fitted in-house by appointment.

What is your parts returns policy?

Unopened parts can be returned within 14 days in original condition as sold. Shipping costs are not refunded unless the order is damaged in transit. Faulty items are handled under the relevant manufacturer warranty terms.

Do you carry out MOT welding repairs for rust failures?

Yes. DriftX carries out DVSA-compliant MOT welding and structural rust repairs for common failure areas including sills, floorpans, chassis sections, and seatbelt mounts.

Home » Shop » Lower Rear Engine Mount Insert - Road Series - DriftX

SKU: PFF1-1120

Category: Combo D (2011 - 2017)

Brand: Powerflex

Lower Rear Engine Mount Insert – Road Series

For C510.5 and C514 gearboxes only. For models with TCT gearbox, use PFF80-1120. This part is inserted into the original bush, to increase stiffness. If fitting this to the Diesel or TwinAir engine vehicles, an increase in noise and vibration is to be expected. This should be considered as a performance upgrade. Road Series insert increases stiffness at 1mm by 113%, at 2mm by 173% and at 3mm by 225% Black Series insert increases stiffness at 1mm by 143%, at 2mm by 219% and at 3mm by 280%

Bushes in this pack	1
Diagram Reference	20
OEM 1	55702836
OEM 2	51794078
OEM 3	51891460

View fitting instructions (PDF)

£32.34

Out of stock.

Lower Rear Engine Mount Insert - Road Series

Lower Rear Engine Mount Insert – Road Series

Road Series insert increases stiffness at 1mm by 113%, at 2mm by 173% and at 3mm by 225%

Black Series insert increases stiffness at 1mm by 143%, at 2mm by 219% and at 3mm by 280%